package topdata

import (
	"encoding/json"
	"fmt"
	"net/http"
	"net/http/httptest"
	"os"
	"path/filepath"
	"strings"
	"testing"

	"git.westgate.pw/ShadowsOverWestgate/sow-tools/internal/project"
)

func TestDeployWikiDryRunDoesNotWriteRemoteOrManifest(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := "[//]: # (sow-topdata-wiki:managed:start)\n# Athletics\n\nGenerated athletics page\n[//]: # (sow-topdata-wiki:managed:end)\n"
	if err := os.WriteFile(filepath.Join(sourceDir, "skills", "athletics.md"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	old := "<!-- sow-topdata-wiki:managed:start -->\n<h1>Athletics</h1>\n<p>Existing athletics page</p>\n<!-- sow-topdata-wiki:managed:end -->\n"
	oldHash := computeManagedHash(old)
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:athletics": {Hash: oldHash, TID: 7, PID: 42, CID: 3},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	updateCalls := 0
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		if got := r.Header.Get("Authorization"); got != "Bearer nodebb-token" {
			t.Fatalf("unexpected authorization header %q", got)
		}
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/posts/42":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 42, "tid": 7, "content": old}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/posts/42":
			updateCalls++
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 42, "tid": 7}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		DryRun:       true,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions dry run failed: %v", err)
	}

	if result.Updated != 1 {
		t.Fatalf("expected one planned update, got %d", result.Updated)
	}
	if updateCalls != 0 {
		t.Fatalf("expected dry run not to update NodeBB posts, got %d calls", updateCalls)
	}
	after := loadDeployManifest(manifestPath)
	if after.Pages["skills:athletics"].Hash != oldHash {
		t.Fatalf("expected dry run not to rewrite manifest")
	}
}

func TestDeployWikiReportsPlanningProgressBeforeRemoteWork(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=skills:athletics -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Athletics</h1>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "skills", "athletics.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}

	progress := []string{}
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/3/pages":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pages": []map[string]any{}, "hasMore": false}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	_, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: filepath.Join(root, "deploy-manifest.json"),
		CategoryIDs:  map[string]int{"skills": 3},
		DryRun:       true,
		AllowCreates: true,
	}, func(message string) {
		progress = append(progress, message)
	})
	if err != nil {
		t.Fatalf("DeployWikiWithOptions dry run failed: %v", err)
	}

	joined := strings.Join(progress, "\n")
	for _, expected := range []string{
		"Collecting local wiki pages from",
		"Loaded 1 local wiki page(s)",
		"Loaded wiki deploy manifest",
		"Planning NodeBB wiki deploy for 1 local page(s)",
		"Listing NodeBB wiki namespace category 3",
	} {
		if !strings.Contains(joined, expected) {
			t.Fatalf("expected progress %q, got:\n%s", expected, joined)
		}
	}
}

func TestDeployWikiReportsLiveExecutionProgress(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "feat"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	updatePage := `<!-- sow-topdata-wiki:page=feat:updated -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local-update" -->
<h1>Updated</h1>
<p>New generated content</p>
<!-- sow-topdata-wiki:managed:end -->
`
	renamePage := `<!-- sow-topdata-wiki:page=feat:renamed -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local-rename" -->
<h1>Renamed</h1>
<p>Unchanged generated content</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "feat", "updated.html"), []byte(updatePage), 0644); err != nil {
		t.Fatalf("write update page: %v", err)
	}
	if err := os.WriteFile(filepath.Join(sourceDir, "feat", "renamed.html"), []byte(renamePage), 0644); err != nil {
		t.Fatalf("write rename page: %v", err)
	}
	oldUpdate := `<!-- sow-topdata-wiki:page=feat:updated -->
<!-- sow-topdata-wiki:managed:start hash="sha256:old-update" -->
<h1>Updated</h1>
<p>Old generated content</p>
<!-- sow-topdata-wiki:managed:end -->
`
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"feat:renamed": {Hash: computeManagedHash(renamePage), Title: "Old Renamed", TopicTitle: "Old Renamed", Namespace: "feat", SourceContentSynced: true, TID: 7, PID: 70, CID: 5},
			"feat:updated": {Hash: computeManagedHash(oldUpdate), Title: "Updated", TopicTitle: "Updated", Namespace: "feat", TID: 8, PID: 80, CID: 5},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	progress := []string{}
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/topics/7":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"tid": 7, "title": "Old Renamed", "mainPid": 70}})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/posts/80":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 80, "tid": 8, "content": oldUpdate}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/edit-lock":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"token": "lock-token"}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/posts/80":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 80, "tid": 8}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/page/move":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"tid": 7}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
	}, func(message string) {
		progress = append(progress, message)
	})
	if err != nil {
		t.Fatalf("DeployWikiWithOptions live deploy failed: %v", err)
	}
	if result.Updated != 1 || result.Renamed != 1 {
		t.Fatalf("expected one update and one rename, got %#v", result)
	}

	joined := strings.Join(progress, "\n")
	for _, expected := range []string{
		"Executing NodeBB wiki actions: total 2, create 0, update 1, rename 1, archive 0, purge 0",
		"Executing NodeBB wiki action 1/2:",
		"Executing NodeBB wiki action 2/2:",
		"rename feat:renamed",
		"update feat:updated",
	} {
		if !strings.Contains(joined, expected) {
			t.Fatalf("expected execution progress %q, got:\n%s", expected, joined)
		}
	}
}

func TestNodeBBNamespacePaginationStopsWhenRepeatedCursorReturnsNoNewPages(t *testing.T) {
	requests := 0
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		requests++
		w.Header().Set("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(map[string]any{
			"response": map[string]any{
				"pages": []map[string]any{
					{"tid": 2461, "title": "Favored Enemy: Elves", "titleLeaf": "Favored Enemy: Elves"},
				},
				"hasMore":    true,
				"nextCursor": "same-cursor",
			},
		})
	})
	defer server.Close()

	client := newNodeBBClient(server.URL, "nodebb-token")
	pages, err := client.listNamespacePages(9)
	if err != nil {
		t.Fatalf("expected repeated cursor with duplicate pages to stop cleanly, got %v", err)
	}
	if len(pages) != 1 || pages[0].TID != 2461 {
		t.Fatalf("expected one unique page from repeated cursor response, got %#v", pages)
	}
	if requests != 2 {
		t.Fatalf("expected pagination to stop after repeated cursor, got %d requests", requests)
	}
}

func TestNodeBBNamespacePaginationRejectsRepeatedCursorWithNewPages(t *testing.T) {
	requests := 0
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		requests++
		w.Header().Set("Content-Type", "application/json")
		pages := []map[string]any{
			{"tid": 1, "title": "First", "titleLeaf": "First"},
		}
		if requests == 2 {
			pages = []map[string]any{
				{"tid": 2, "title": "Second", "titleLeaf": "Second"},
			}
		}
		_ = json.NewEncoder(w).Encode(map[string]any{
			"response": map[string]any{
				"pages":      pages,
				"hasMore":    true,
				"nextCursor": "same-cursor",
			},
		})
	})
	defer server.Close()

	client := newNodeBBClient(server.URL, "nodebb-token")
	_, err := client.listNamespacePages(9)
	if err == nil {
		t.Fatal("expected repeated cursor with new pages to fail")
	}
	if !strings.Contains(err.Error(), "repeated pagination cursor") {
		t.Fatalf("expected repeated cursor error, got %v", err)
	}
}

func TestCollectLocalPagesReadsGeneratedPageIDFromMarkerWhenPathIsTitleBased(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "feat"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=feat:bardic_music_inspire_competence -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Inspire Competence</h1>
<p>Generated page.</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "feat", "Inspire_Competence.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}

	pages, err := collectLocalPages(sourceDir, "", []string{"feat"})
	if err != nil {
		t.Fatalf("collectLocalPages failed: %v", err)
	}
	page, ok := pages["feat:bardic_music_inspire_competence"]
	if !ok {
		t.Fatalf("expected marker page ID to be used as deploy identity, got keys %#v", sortedKeysFromMap(pages))
	}
	if page.PageID != "feat:bardic_music_inspire_competence" || page.Namespace != "feat" || page.Title != "Inspire Competence" {
		t.Fatalf("unexpected collected page metadata: %#v", page)
	}
	if _, ok := pages["feat:Inspire_Competence"]; ok {
		t.Fatalf("expected title-based path not to become generated page identity")
	}
}

func TestCollectLocalPagesReadsCanonicalPublicPathFromPageIndex(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "spells"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=spells:pdk:fear -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Fear</h1>
<p>Generated page.</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "spells", "Fear.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	if err := saveWikiPageIndex(filepath.Join(root, "page-index.json"), wikiPageIndex{
		Version: wikiGeneratorVersion,
		Pages: []wikiPageIndexEntry{
			{
				PageID:     "spells:pdk:fear",
				PublicPath: "Magic/Fear",
				OutputPath: "pages/spells/Fear.html",
			},
		},
	}); err != nil {
		t.Fatalf("write page index: %v", err)
	}

	pages, err := collectLocalPages(sourceDir, "", []string{"spells"})
	if err != nil {
		t.Fatalf("collectLocalPages failed: %v", err)
	}
	if got := pages["spells:pdk:fear"].PublicPath; got != "Magic/Fear" {
		t.Fatalf("expected canonical public path from page-index, got %q", got)
	}
}

func TestCollectLocalPagesUsesConfiguredPageIndexPath(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "spells"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=spells:acid_fog -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Acid Fog</h1>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "spells", "Acid_Fog.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	indexPath := filepath.Join(root, "manifest", "pages.json")
	if err := saveWikiPageIndex(indexPath, wikiPageIndex{
		Version: wikiGeneratorVersion,
		Pages: []wikiPageIndexEntry{
			{
				PageID:     "spells:acid_fog",
				Title:      "Acid Fog",
				PublicPath: "Magic/Acid_Fog",
				OutputPath: "pages/spells/Acid_Fog.html",
			},
		},
	}); err != nil {
		t.Fatalf("write page index: %v", err)
	}

	pages, err := collectLocalPages(sourceDir, indexPath, []string{"spells"})
	if err != nil {
		t.Fatalf("collectLocalPages failed: %v", err)
	}
	if got := pages["spells:acid_fog"].PublicPath; got != "Magic/Acid_Fog" {
		t.Fatalf("expected configured page-index public path, got %q", got)
	}
}

func TestCollectLocalPagesReadsTitleFromPageIndexForHeadinglessHTML(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "spells"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=spells:acid_fog -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<p>Generated acid fog page.</p>
<table><tbody><tr><th>School</th><td>Conjuration</td></tr></tbody></table>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "spells", "Acid_Fog.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	if err := saveWikiPageIndex(filepath.Join(root, "page-index.json"), wikiPageIndex{
		Version: wikiGeneratorVersion,
		Pages: []wikiPageIndexEntry{
			{
				PageID:     "spells:acid_fog",
				Title:      "Acid Fog",
				PublicPath: "Spells/Acid_Fog",
				OutputPath: "pages/spells/Acid_Fog.html",
			},
		},
	}); err != nil {
		t.Fatalf("write page index: %v", err)
	}

	pages, err := collectLocalPages(sourceDir, "", []string{"spells"})
	if err != nil {
		t.Fatalf("collectLocalPages failed: %v", err)
	}
	page := pages["spells:acid_fog"]
	if page.Title != "Acid Fog" {
		t.Fatalf("expected page-index title for headingless HTML, got %#v", page)
	}
	if page.PublicPath != "Spells/Acid_Fog" {
		t.Fatalf("expected page-index public path for headingless HTML, got %#v", page)
	}
}

func TestExtractWikiPagePublicPathAcceptsCanonicalSlashPath(t *testing.T) {
	content := `<!-- sow-topdata-wiki:page=spells:pdk:fear public_path="Magic/Fear" -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Fear</h1>
<!-- sow-topdata-wiki:managed:end -->
`
	if got := extractWikiPagePublicPath(content); got != "Magic/Fear" {
		t.Fatalf("expected slash-separated public path, got %q", got)
	}
}

func TestDeployWikiDryRunReadoptsMissingMappedPost(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "classes"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=classes:acolyte -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Acolyte</h1>
<p>Generated acolyte page</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "classes", "acolyte.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	old := `<!-- sow-topdata-wiki:page=classes:acolyte -->
<!-- sow-topdata-wiki:managed:start hash="sha256:old" -->
<h1>Acolyte</h1>
<p>Old acolyte page</p>
<!-- sow-topdata-wiki:managed:end -->
`
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"classes:acolyte": {Hash: computeManagedHash(old), TID: 7, PID: 42, CID: 9},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/posts/42":
			w.Header().Set("Content-Type", "application/json")
			w.WriteHeader(http.StatusNotFound)
			_ = json.NewEncoder(w).Encode(map[string]any{
				"status":   map[string]any{"code": "not-found", "message": "Post does not exist"},
				"response": map[string]any{},
			})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/9/pages":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{
				"response": map[string]any{
					"pages": []map[string]any{
						{"tid": 77, "title": "Acolyte", "titleLeaf": "Acolyte", "slug": "77/acolyte", "wikiPath": "/wiki/classes/acolyte"},
					},
					"hasMore": false,
				},
			})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/topics/77":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"tid": 77, "mainPid": 88}})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/posts/88":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 88, "tid": 77, "content": old}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		DryRun:       true,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions dry-run re-adoption failed: %v", err)
	}
	if result.Updated != 1 {
		t.Fatalf("expected one planned update after re-adoption, got %#v", result)
	}
}

func TestMatchExistingNodeBBPageIgnoresRetiredGeneratedPublicSlug(t *testing.T) {
	page := wikiDeployPage{
		PageID:     "spells:pdk:fear",
		Title:      "Fear",
		PublicPath: "Spells/Fear",
	}
	matched, ok := matchExistingNodeBBPage(page, []nodeBBWikiPage{
		{TID: 31, Title: "Fear", TitleLeaf: "Fear", WikiPath: "/wiki/spells/fear"},
		{TID: 32, Title: "Fear", TitleLeaf: "Fear", WikiPath: "/wiki/spells/pdk-fear"},
	})
	if !ok || matched.TID != 31 {
		t.Fatalf("expected canonical title match to select tid 31, got %#v ok=%t", matched, ok)
	}
}

func TestMatchExistingNodeBBPageDoesNotPreferRetiredGeneratedSlugWhenRemoteOrderChanges(t *testing.T) {
	page := wikiDeployPage{
		PageID:     "spells:pdk:fear",
		Title:      "Fear",
		PublicPath: "Spells/Fear",
	}
	matched, ok := matchExistingNodeBBPage(page, []nodeBBWikiPage{
		{TID: 32, Title: "Fear", TitleLeaf: "Fear", Slug: "32/pdk-fear", WikiPath: "/wiki/spells/pdk-fear"},
		{TID: 31, Title: "Fear", TitleLeaf: "Fear", Slug: "31/fear"},
	})
	if !ok || matched.TID != 31 {
		t.Fatalf("expected canonical leaf match to select tid 31 over retired generated slug, got %#v ok=%t", matched, ok)
	}
}

func TestMatchExistingNodeBBPageAdoptsCanonicalWikiPathWhenSlugIsRetired(t *testing.T) {
	page := wikiDeployPage{
		PageID: "spells:pdk:fear",
		Title:  "Fear",
	}
	matched, ok := matchExistingNodeBBPage(page, []nodeBBWikiPage{
		{TID: 32, Title: "Fear", TitleLeaf: "Fear", Slug: "32/pdk-fear", WikiPath: "/wiki/Spells/Fear"},
	})
	if !ok || matched.TID != 32 {
		t.Fatalf("expected title fallback to adopt canonical wiki path despite retired NodeBB topic slug, got %#v ok=%t", matched, ok)
	}
}

func TestMatchExistingNodeBBPageRequiresFullPathBeforeLeafFallback(t *testing.T) {
	page := wikiDeployPage{
		PageID:     "spells:pdk:fear",
		Title:      "Fear",
		PublicPath: "Spells/Necromancy/Fear",
	}
	matched, ok := matchExistingNodeBBPage(page, []nodeBBWikiPage{
		{TID: 31, Title: "Fear", TitleLeaf: "Fear", WikiPath: "/wiki/Spells/Illusion/Fear"},
	})
	if ok {
		t.Fatalf("expected no cross-namespace leaf fallback match, got %#v", matched)
	}
}

func TestMatchExistingNodeBBPageRequiresCanonicalPathForNestedPublicPath(t *testing.T) {
	page := wikiDeployPage{
		PageID:     "spells:pdk:fear",
		Title:      "Fear",
		PublicPath: "Spells/Necromancy/Fear",
	}
	matched, ok := matchExistingNodeBBPage(page, []nodeBBWikiPage{
		{TID: 31, Title: "Fear", TitleLeaf: "Fear", Slug: "31/fear"},
	})
	if ok {
		t.Fatalf("expected no nested-path title or leaf fallback match without canonical path, got %#v", matched)
	}

	matched, ok = matchExistingNodeBBPage(page, []nodeBBWikiPage{
		{TID: 31, Title: "Fear", TitleLeaf: "Fear", CanonicalPath: "Spells/Necromancy/Fear"},
	})
	if !ok || matched.TID != 31 {
		t.Fatalf("expected canonical path match for nested public path, got %#v ok=%t", matched, ok)
	}
}

func TestNestedCanonicalAdoptionFallbackError(t *testing.T) {
	page := wikiDeployPage{
		PageID:     "spells:pdk:fear",
		Title:      "Fear",
		PublicPath: "Spells/Necromancy/Fear",
	}
	err := nestedCanonicalAdoptionFallbackError(page, []nodeBBWikiPage{
		{TID: 31, Title: "Fear", TitleLeaf: "Fear", Slug: "31/fear"},
	})
	if err == nil || !strings.Contains(err.Error(), "requires exact canonical wikiPath/canonicalPath") {
		t.Fatalf("expected exact canonical remapping error, got %v", err)
	}
}

func TestDeployCanonicalWikiSegmentMatchesGeneratedPathPolicy(t *testing.T) {
	tests := map[string]string{
		`Grandmaster's Battle Momentum`:                  "Grandmasters_Battle_Momentum",
		`Bigby’s Clenched Fist`:                          "Bigbys_Clenched_Fist",
		`Hardiness vs. Enchantments`:                     "Hardiness_vs_Enchantments",
		`Clairaudience/Clairvoyance`:                     "Clairaudience_Clairvoyance",
		`Élite &amp; Noble Houses`:                       "Elite_Noble_Houses",
		`Alpha!@#$%^&*()[]-=_+/?.,<>` + "`" + `~|\Omega`: "Alpha_Omega",
		`Æther Œuvre Øresund Straße Þorn Łódź Đelta`:     "Aether_Oeuvre_Oresund_Strasse_Thorn_Lodz_Delta",
	}
	for input, want := range tests {
		if got := canonicalWikiSegment(input); got != want {
			t.Fatalf("canonicalWikiSegment(%q) = %q, want %q", input, got, want)
		}
	}
}

func TestLoadWikiNamespaceDeclarationsValidatesCanonicalPaths(t *testing.T) {
	root := testProjectRoot(t)
	wikiDir := filepath.Join(root, "topdata", "wiki")
	if err := os.MkdirAll(wikiDir, 0755); err != nil {
		t.Fatalf("create wiki dir: %v", err)
	}
	write := func(text string) {
		t.Helper()
		if err := os.WriteFile(filepath.Join(wikiDir, "namespaces.yaml"), []byte(text), 0644); err != nil {
			t.Fatalf("write namespaces: %v", err)
		}
	}

	write(`
namespaces:
  - id: feat
    title: Feats
    canonical_path: Wiki/Feats
    category_env: SOW_WIKI_FEATS_CID
    edit_policy: preserve_manual_sections
`)
	declarations, err := loadWikiNamespaceDeclarations(testProject(root))
	if err != nil {
		t.Fatalf("expected canonical namespace path declaration to load: %v", err)
	}
	if got := declarations[0].CanonicalPath; got != "Wiki/Feats" {
		t.Fatalf("expected canonical namespace path to be preserved, got %q", got)
	}

	write(`
namespaces:
  - id: search
    title: Search
    canonical_path: Wiki/Search
    category_env: SOW_WIKI_SEARCH_CID
    edit_policy: preserve_manual_sections
`)
	declarations, err = loadWikiNamespaceDeclarations(testProject(root))
	if err != nil {
		t.Fatalf("expected reserved display title with safe canonical path to load: %v", err)
	}
	if got := declarations[0].CanonicalPath; got != "Wiki/Search" {
		t.Fatalf("expected safe canonical namespace path to be preserved, got %q", got)
	}

	write(`
namespaces:
  - id: bad
    title: "!!!"
    category_env: SOW_WIKI_BAD_CID
    edit_policy: preserve_manual_sections
`)
	_, err = loadWikiNamespaceDeclarations(testProject(root))
	if err == nil || !strings.Contains(err.Error(), `topdata wiki namespace "bad" title`) {
		t.Fatalf("expected invalid namespace title error, got %v", err)
	}

	write(`
namespaces:
  - id: search
    title: Search
    canonical_path: search
    category_env: SOW_WIKI_SEARCH_CID
    edit_policy: preserve_manual_sections
`)
	_, err = loadWikiNamespaceDeclarations(testProject(root))
	if err == nil || !strings.Contains(err.Error(), `reserved first segment`) {
		t.Fatalf("expected reserved namespace path error, got %v", err)
	}

	write(`
namespaces:
  - id: numeric
    title: Feats
    canonical_path: 123/Feats
    category_env: SOW_WIKI_NUMERIC_CID
    edit_policy: preserve_manual_sections
`)
	_, err = loadWikiNamespaceDeclarations(testProject(root))
	if err == nil || !strings.Contains(err.Error(), `reserved first segment`) {
		t.Fatalf("expected numeric namespace path error, got %v", err)
	}
}

func TestDeployWikiCreatesNodeBBTopicAndWritesManifest(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := "[//]: # (sow-topdata-wiki:managed:start)\n# Athletics\n\nGenerated athletics page\n[//]: # (sow-topdata-wiki:managed:end)\n"
	if err := os.WriteFile(filepath.Join(sourceDir, "skills", "athletics.md"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}

	createCalls := 0
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		if got := r.Header.Get("Authorization"); got != "Bearer nodebb-token" {
			t.Fatalf("unexpected authorization header %q", got)
		}
		if r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/5/pages" {
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pages": []any{}, "hasMore": false}})
			return
		}
		if r.Method != http.MethodPost || r.URL.Path != "/api/v3/topics" {
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
		createCalls++
		var req struct {
			CID           int    `json:"cid"`
			Title         string `json:"title"`
			Content       string `json:"content"`
			SourceContent string `json:"sourceContent"`
		}
		if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
			t.Fatalf("decode create request: %v", err)
		}
		if req.CID != 5 || req.Title != "Athletics" || req.Content != generated {
			t.Fatalf("unexpected create request: %#v", req)
		}
		if req.SourceContent != generated {
			t.Fatalf("expected create request sourceContent to match generated HTML, got %q", req.SourceContent)
		}
		w.Header().Set("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(map[string]any{
			"response": map[string]any{
				"tid": 11,
				"mainPost": map[string]any{
					"pid": 42,
					"tid": 11,
				},
			},
		})
	})
	defer server.Close()

	manifestPath := filepath.Join(root, "deploy-manifest.json")
	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		CategoryIDs:  map[string]int{"skills": 5},
		AllowCreates: true,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions create failed: %v", err)
	}
	if result.Created != 1 || createCalls != 1 {
		t.Fatalf("expected one created topic, result=%d calls=%d", result.Created, createCalls)
	}
	manifest := loadDeployManifest(manifestPath)
	entry := manifest.Pages["skills:athletics"]
	if entry.TID != 11 || entry.PID != 42 || entry.CID != 5 || entry.Hash != computeManagedHash(generated) {
		t.Fatalf("unexpected manifest entry: %#v", entry)
	}
	if !entry.SourceContentSynced {
		t.Fatalf("expected created manifest entry to record sourceContent sync")
	}
}

func TestParseNodeBBPostPrefersSourceContentForWikiHTML(t *testing.T) {
	post := parseNodeBBPost(map[string]any{
		"response": map[string]any{
			"pid":           42,
			"tid":           7,
			"content":       "&lt;p&gt;Rendered as text&lt;/p&gt;",
			"sourceContent": "<p>Stored source HTML</p>",
		},
	})
	if post.Content != "<p>Stored source HTML</p>" {
		t.Fatalf("expected sourceContent to be canonical deploy content, got %#v", post)
	}
	if post.SourceContent != "<p>Stored source HTML</p>" {
		t.Fatalf("expected sourceContent field to be preserved, got %#v", post)
	}
}

func TestDeployWikiRepairsManifestedPageMissingSourceContentSync(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=skills:athletics -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<p>Ability: Strength.</p>
<table><tbody><tr><th>Key Ability</th><td>STR</td></tr></tbody></table>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "skills", "Athletics.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:athletics": {
				Hash:       computeManagedHash(generated),
				Title:      "Athletics",
				TopicTitle: "Athletics",
				Namespace:  "skills",
				TID:        7,
				PID:        42,
				CID:        3,
			},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	updateCalls := 0
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/posts/42":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 42, "tid": 7, "content": generated}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/edit-lock":
			respondWikiEditLock(t, w, r, 7, "source-sync-lock")
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/posts/42":
			updateCalls++
			var req struct {
				Content           string `json:"content"`
				SourceContent     string `json:"sourceContent"`
				WikiEditLockToken string `json:"wikiEditLockToken"`
			}
			if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
				t.Fatalf("decode update request: %v", err)
			}
			if req.WikiEditLockToken != "source-sync-lock" {
				t.Fatalf("expected update to include wiki edit lock token, got %q", req.WikiEditLockToken)
			}
			if req.Content != generated || req.SourceContent != generated {
				t.Fatalf("expected repair update to write content and sourceContent, got %#v", req)
			}
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 42, "tid": 7}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions sourceContent repair failed: %v", err)
	}
	if result.Updated != 1 || result.Skipped != 0 || updateCalls != 1 {
		t.Fatalf("expected one sourceContent repair update, result=%#v updateCalls=%d", result, updateCalls)
	}
	entry := loadDeployManifest(manifestPath).Pages["skills:athletics"]
	if !entry.SourceContentSynced {
		t.Fatalf("expected repair deploy to record sourceContent sync, got %#v", entry)
	}
}

func TestMergeManagedContentPreservesUserTopAndBottomSections(t *testing.T) {
	existing := strings.Join([]string{
		`<!-- sow-topdata-wiki:page=classes:acolyte -->`,
		`<!-- sow-topdata-wiki:managed:start hash="sha256:old" -->`,
		`<h1>Acolyte</h1>`,
		`<!-- sow-topdata-wiki:manual:start id="user_top" -->`,
		`<p>User-written overview.</p>`,
		`<!-- sow-topdata-wiki:manual:end id="user_top" -->`,
		`<p>Old generated body.</p>`,
		`<!-- sow-topdata-wiki:manual:start id="user_bottom" -->`,
		`<p>User-written bottom content.</p>`,
		`<!-- sow-topdata-wiki:manual:end id="user_bottom" -->`,
		`<!-- sow-topdata-wiki:managed:end -->`,
	}, "\n")
	generated := strings.Join([]string{
		`<!-- sow-topdata-wiki:page=classes:acolyte -->`,
		`<!-- sow-topdata-wiki:managed:start hash="sha256:new" -->`,
		`<h1>Acolyte</h1>`,
		`<!-- sow-topdata-wiki:manual:start id="user_top" -->`,
		`<p></p>`,
		`<!-- sow-topdata-wiki:manual:end id="user_top" -->`,
		`<p>New generated body.</p>`,
		`<!-- sow-topdata-wiki:manual:start id="user_bottom" -->`,
		`<p></p>`,
		`<!-- sow-topdata-wiki:manual:end id="user_bottom" -->`,
		`<!-- sow-topdata-wiki:managed:end -->`,
	}, "\n")

	merged := mergeManagedContent(existing, generated)
	for _, expected := range []string{
		"<p>User-written overview.</p>",
		"<p>User-written bottom content.</p>",
		"<p>New generated body.</p>",
	} {
		if !strings.Contains(merged, expected) {
			t.Fatalf("expected merged content to contain %q:\n%s", expected, merged)
		}
	}
	if strings.Contains(merged, "Old generated body") {
		t.Fatalf("expected old generated body to be replaced:\n%s", merged)
	}
}

func TestDeployWikiCreatesNodeBBTopicWithoutFallbackForDefaultThreeCharacterTitle(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "spells"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := "[//]: # (sow-topdata-wiki:managed:start)\n# Aid\n\nGenerated spell page\n[//]: # (sow-topdata-wiki:managed:end)\n"
	if err := os.WriteFile(filepath.Join(sourceDir, "spells", "aid.md"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}

	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		if r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/5/pages" {
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pages": []any{}, "hasMore": false}})
			return
		}
		if r.Method != http.MethodPost || r.URL.Path != "/api/v3/topics" {
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
		var req struct {
			Title   string `json:"title"`
			Content string `json:"content"`
		}
		if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
			t.Fatalf("decode create request: %v", err)
		}
		if req.Title != "Aid" {
			t.Fatalf("expected unprefixed title, got %q", req.Title)
		}
		if req.Content != generated {
			t.Fatalf("expected page body to keep short h1 unchanged:\n%s", req.Content)
		}
		w.Header().Set("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(map[string]any{
			"response": map[string]any{
				"tid": 11,
				"mainPost": map[string]any{
					"pid": 42,
					"tid": 11,
				},
			},
		})
	})
	defer server.Close()

	_, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: filepath.Join(root, "deploy-manifest.json"),
		CategoryIDs:  map[string]int{"spells": 5},
		AllowCreates: true,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions create failed: %v", err)
	}
}

func TestDeployWikiCreatesNodeBBTopicWithFallbackForTitleShorterThanConfiguredMinimum(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "spells"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := "[//]: # (sow-topdata-wiki:managed:start)\n# Ox\n\nGenerated spell page\n[//]: # (sow-topdata-wiki:managed:end)\n"
	if err := os.WriteFile(filepath.Join(sourceDir, "spells", "ox.md"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}

	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		if r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/5/pages" {
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pages": []any{}, "hasMore": false}})
			return
		}
		if r.Method != http.MethodPost || r.URL.Path != "/api/v3/topics" {
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
		var req struct {
			Title string `json:"title"`
		}
		if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
			t.Fatalf("decode create request: %v", err)
		}
		if req.Title != "Spells: Ox" {
			t.Fatalf("expected fallback title, got %q", req.Title)
		}
		w.Header().Set("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(map[string]any{
			"response": map[string]any{
				"tid": 11,
				"mainPost": map[string]any{
					"pid": 42,
					"tid": 11,
				},
			},
		})
	})
	defer server.Close()

	_, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: filepath.Join(root, "deploy-manifest.json"),
		CategoryIDs:  map[string]int{"spells": 5},
		AllowCreates: true,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions create failed: %v", err)
	}
}

func TestDeployWikiRenamesExistingPrefixedTopicWhenTitleIsLongEnough(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "itemtypes"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=itemtypes:belt -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Belt</h1>
<p>Generated belt page</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "itemtypes", "belt.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"itemtypes:belt": {Hash: computeManagedHash(generated), Title: "Belt", Namespace: "itemtypes", SourceContentSynced: true, TID: 7, PID: 42, CID: 5},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	renameCalls := 0
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/topics/7":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{
				"response": map[string]any{
					"tid":     7,
					"title":   "Itemtypes: Belt",
					"mainPid": 42,
				},
			})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/page/move":
			renameCalls++
			var req struct {
				TID   int    `json:"tid"`
				CID   int    `json:"cid"`
				Title string `json:"title"`
			}
			if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
				t.Fatalf("decode rename request: %v", err)
			}
			if req.TID != 7 || req.CID != 5 || req.Title != "Belt" {
				t.Fatalf("unexpected rename request: %#v", req)
			}
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"tid": 7, "cid": 5, "title": "Belt"}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions rename cleanup failed: %v", err)
	}
	if result.Renamed != 1 || result.Updated != 0 || result.Skipped != 1 || renameCalls != 1 {
		t.Fatalf("expected one rename cleanup and skipped body update, result=%#v renameCalls=%d", result, renameCalls)
	}
	manifest := loadDeployManifest(manifestPath)
	entry := manifest.Pages["itemtypes:belt"]
	if entry.TopicTitle != "Belt" || entry.Title != "Belt" {
		t.Fatalf("expected manifest to record cleaned topic title, got %#v", entry)
	}
}

func TestDeployWikiRenamesManagedTopicWhenGeneratedTitleChanges(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "feat"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=feat:weapon:focus:dwaxe -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Weapon Focus (dwarven waraxe)</h1>
<p>Generated weapon focus page</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "feat", "weapon:focus:dwaxe.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"feat:weapon:focus:dwaxe": {
				Hash:                computeManagedHash(generated),
				Title:               "Weapon Focus (Dwaxe)",
				TopicTitle:          "Weapon Focus (Dwaxe)",
				Namespace:           "feat",
				SourceContentSynced: true,
				TID:                 7,
				PID:                 42,
				CID:                 5,
			},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	renameCalls := 0
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/topics/7":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{
				"response": map[string]any{
					"tid":     7,
					"title":   "Weapon Focus (Dwaxe)",
					"mainPid": 42,
				},
			})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/page/move":
			renameCalls++
			var req struct {
				TID   int    `json:"tid"`
				CID   int    `json:"cid"`
				Title string `json:"title"`
			}
			if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
				t.Fatalf("decode rename request: %v", err)
			}
			if req.TID != 7 || req.CID != 5 || req.Title != "Weapon Focus (dwarven waraxe)" {
				t.Fatalf("unexpected rename request: %#v", req)
			}
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"tid": 7}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions title rename failed: %v", err)
	}
	if result.Renamed != 1 || result.Updated != 0 || result.Created != 0 || result.Archived != 0 || result.Purged != 0 || renameCalls != 1 {
		t.Fatalf("expected generated title rename only, result=%#v renameCalls=%d", result, renameCalls)
	}
	entry := loadDeployManifest(manifestPath).Pages["feat:weapon:focus:dwaxe"]
	if entry.Title != "Weapon Focus (dwarven waraxe)" || entry.TopicTitle != "Weapon Focus (dwarven waraxe)" {
		t.Fatalf("expected renamed title state in manifest, got %#v", entry)
	}
}

func TestDeployWikiDoesNotRenameHeadinglessPageToPageIDFallback(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "spells"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=spells:acid_fog -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<p>Generated acid fog page.</p>
<table><tbody><tr><th>School</th><td>Conjuration</td></tr></tbody></table>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "spells", "Acid_Fog.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	if err := saveWikiPageIndex(filepath.Join(root, "page-index.json"), wikiPageIndex{
		Version: wikiGeneratorVersion,
		Pages: []wikiPageIndexEntry{
			{PageID: "spells:acid_fog", Title: "Acid Fog", PublicPath: "Spells/Acid_Fog", OutputPath: "pages/spells/Acid_Fog.html"},
		},
	}); err != nil {
		t.Fatalf("write page index: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"spells:acid_fog": {
				Hash:                computeManagedHash(generated),
				Title:               "Acid Fog",
				TopicTitle:          "Acid Fog",
				Namespace:           "spells",
				SourceContentSynced: true,
				TID:                 7,
				PID:                 42,
				CID:                 5,
			},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		t.Fatalf("headingless unchanged page must not call NodeBB, got %s %s", r.Method, r.URL.String())
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions headingless skip failed: %v", err)
	}
	if result.Renamed != 0 || result.Updated != 0 || result.Skipped != 1 {
		t.Fatalf("expected headingless page to skip without page-id fallback rename, got %#v", result)
	}
}

func TestDeployWikiRenamesBrokenHeadinglessFallbackTitleBackToPageIndexTitle(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "spells"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=spells:acid_fog -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<p>Generated acid fog page.</p>
<table><tbody><tr><th>School</th><td>Conjuration</td></tr></tbody></table>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "spells", "Acid_Fog.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	if err := saveWikiPageIndex(filepath.Join(root, "page-index.json"), wikiPageIndex{
		Version: wikiGeneratorVersion,
		Pages: []wikiPageIndexEntry{
			{PageID: "spells:acid_fog", Title: "Acid Fog", PublicPath: "Spells/Acid_Fog", OutputPath: "pages/spells/Acid_Fog.html"},
		},
	}); err != nil {
		t.Fatalf("write page index: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"spells:acid_fog": {
				Hash:                computeManagedHash(generated),
				Title:               "Acid_fog",
				TopicTitle:          "Acid_fog",
				Namespace:           "spells",
				SourceContentSynced: true,
				TID:                 7,
				PID:                 42,
				CID:                 5,
			},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	renameCalls := 0
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/topics/7":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{
				"response": map[string]any{"tid": 7, "title": "Acid_fog", "mainPid": 42},
			})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/page/move":
			renameCalls++
			var req struct {
				TID   int    `json:"tid"`
				CID   int    `json:"cid"`
				Title string `json:"title"`
			}
			if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
				t.Fatalf("decode rename request: %v", err)
			}
			if req.TID != 7 || req.CID != 5 || req.Title != "Acid Fog" {
				t.Fatalf("unexpected rename request: %#v", req)
			}
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"tid": 7}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions headingless title repair failed: %v", err)
	}
	if result.Renamed != 1 || result.Updated != 0 || result.Skipped != 1 || renameCalls != 1 {
		t.Fatalf("expected one title repair rename and skipped body update, result=%#v renameCalls=%d", result, renameCalls)
	}
	entry := loadDeployManifest(manifestPath).Pages["spells:acid_fog"]
	if entry.Title != "Acid Fog" || entry.TopicTitle != "Acid Fog" {
		t.Fatalf("expected repaired manifest title from page-index, got %#v", entry)
	}
}

func TestDeployWikiAdoptsExistingNodeBBPageWhenManifestIsMissingWithoutCreate(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "classes"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=classes:acolyte -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Acolyte</h1>
<p>Generated acolyte page</p>
<!-- sow-topdata-wiki:managed:end -->
<!-- sow-topdata-wiki:manual:start id="user_bottom" -->
<p></p>
<!-- sow-topdata-wiki:manual:end id="user_bottom" -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "classes", "acolyte.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	old := `<!-- sow-topdata-wiki:page=classes:acolyte -->
<!-- sow-topdata-wiki:managed:start hash="sha256:old" -->
<h1>Acolyte</h1>
<p>Old acolyte page</p>
<!-- sow-topdata-wiki:managed:end -->
<!-- sow-topdata-wiki:manual:start id="user_bottom" -->
<p>Keep this remote note.</p>
<!-- sow-topdata-wiki:manual:end id="user_bottom" -->
`

	createCalls := 0
	var updated string
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/9/pages":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{
				"response": map[string]any{
					"pages": []map[string]any{
						{
							"tid":       77,
							"title":     "Acolyte",
							"titleLeaf": "Acolyte",
							"slug":      "77/acolyte",
							"wikiPath":  "/wiki/classes/acolyte",
						},
					},
					"hasMore": false,
				},
			})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/topics/77":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"tid": 77, "mainPid": 88}})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/posts/88":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 88, "tid": 77, "content": old}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/edit-lock":
			respondWikiEditLock(t, w, r, 77, "adopt-lock")
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/posts/88":
			var req struct {
				Content           string `json:"content"`
				WikiEditLockToken string `json:"wikiEditLockToken"`
			}
			if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
				t.Fatalf("decode update request: %v", err)
			}
			if req.WikiEditLockToken != "adopt-lock" {
				t.Fatalf("expected adopted update to include wiki edit lock token, got %q", req.WikiEditLockToken)
			}
			updated = req.Content
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 88, "tid": 77}})
		case r.Method == http.MethodPost && r.URL.Path == "/api/v3/topics":
			createCalls++
			t.Fatalf("existing wiki page should be adopted and updated, not recreated")
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	manifestPath := filepath.Join(root, "deploy-manifest.json")
	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:      sourceDir,
		Endpoint:       server.URL,
		Token:          "nodebb-token",
		ManifestPath:   manifestPath,
		CategoryIDs:    map[string]int{"classes": 9},
		StalePolicy:    "report",
		NotesDelimiter: "",
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions adopt failed: %v", err)
	}
	if result.Created != 0 || result.Updated != 1 || createCalls != 0 {
		t.Fatalf("expected one adopted update and no creates, result=%#v createCalls=%d", result, createCalls)
	}
	if !containsAll(updated, "<p>Generated acolyte page</p>", "<p>Keep this remote note.</p>") {
		t.Fatalf("expected adopted update to merge generated and remote manual content:\n%s", updated)
	}
	manifest := loadDeployManifest(manifestPath)
	entry := manifest.Pages["classes:acolyte"]
	if entry.TID != 77 || entry.PID != 88 || entry.CID != 9 || entry.Hash != computeManagedHash(generated) {
		t.Fatalf("unexpected adopted manifest entry: %#v", entry)
	}
}

func TestDeployWikiMergesHTMLManagedAndManualRegions(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=skills:athletics -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Athletics</h1>
<p>Generated athletics page</p>
<!-- sow-topdata-wiki:managed:end -->
<!-- sow-topdata-wiki:manual:start id="user_bottom" -->
<p></p>
<!-- sow-topdata-wiki:manual:end id="user_bottom" -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "skills", "athletics.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	old := `<!-- sow-topdata-wiki:page=skills:athletics -->
<!-- sow-topdata-wiki:managed:start hash="sha256:old" -->
<h1>Athletics</h1>
<p>Old generated text</p>
<!-- sow-topdata-wiki:managed:end -->
<!-- sow-topdata-wiki:manual:start id="user_bottom" -->
<p>Keep this human note.</p>
<!-- sow-topdata-wiki:manual:end id="user_bottom" -->
`
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:athletics": {Hash: computeManagedHash(old), TID: 7, PID: 42, CID: 3},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	var updated string
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/posts/42":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 42, "tid": 7, "content": old}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/edit-lock":
			respondWikiEditLock(t, w, r, 7, "merge-lock")
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/posts/42":
			var req struct {
				Content           string `json:"content"`
				WikiEditLockToken string `json:"wikiEditLockToken"`
			}
			if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
				t.Fatalf("decode update request: %v", err)
			}
			if req.WikiEditLockToken != "merge-lock" {
				t.Fatalf("expected update to include wiki edit lock token, got %q", req.WikiEditLockToken)
			}
			updated = req.Content
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 42, "tid": 7}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions update failed: %v", err)
	}
	if result.Updated != 1 {
		t.Fatalf("expected one update, got %#v", result)
	}
	if !containsAll(updated, "<p>Generated athletics page</p>", "<p>Keep this human note.</p>", `manual:start id="user_bottom"`) {
		t.Fatalf("expected update to replace managed HTML and preserve/bootstrap manual regions:\n%s", updated)
	}
	if strings.Contains(updated, `manual:start id="notes"`) || strings.Contains(updated, `manual:start id="see_also"`) {
		t.Fatalf("expected update to omit legacy split bottom manual regions:\n%s", updated)
	}
}

func TestDeployWikiUpdateAcquiresWestgateWikiEditLock(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=skills:athletics -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Athletics</h1>
<p>Generated athletics page</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "skills", "athletics.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	old := `<!-- sow-topdata-wiki:page=skills:athletics -->
<!-- sow-topdata-wiki:managed:start hash="sha256:old" -->
<h1>Athletics</h1>
<p>Old athletics page</p>
<!-- sow-topdata-wiki:managed:end -->
`
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:athletics": {Hash: computeManagedHash(old), TID: 7, PID: 42, CID: 3},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	lockAcquired := false
	var updateToken string
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/posts/42":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 42, "tid": 7, "content": old}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/edit-lock":
			var req struct {
				TID int `json:"tid"`
			}
			if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
				t.Fatalf("decode edit lock request: %v", err)
			}
			if req.TID != 7 {
				t.Fatalf("expected edit lock for tid 7, got %d", req.TID)
			}
			lockAcquired = true
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"status": "ok", "tid": 7, "token": "lock-token"}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/posts/42":
			var req struct {
				Content           string `json:"content"`
				WikiEditLockToken string `json:"wikiEditLockToken"`
			}
			if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
				t.Fatalf("decode update request: %v", err)
			}
			updateToken = req.WikiEditLockToken
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 42, "tid": 7}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions update failed: %v", err)
	}
	if result.Updated != 1 {
		t.Fatalf("expected one update, got %#v", result)
	}
	if !lockAcquired {
		t.Fatalf("expected deployer to acquire a wiki edit lock before update")
	}
	if updateToken != "lock-token" {
		t.Fatalf("expected update to include wiki edit lock token, got %q", updateToken)
	}
}

func TestDeployWikiCreateCollisionAdoptsExistingNodeBBPage(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "classes"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=classes:bard -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Bard</h1>
<p>Generated bard page</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "classes", "bard.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	old := `<!-- sow-topdata-wiki:page=classes:bard -->
<!-- sow-topdata-wiki:managed:start hash="sha256:old" -->
<h1>Bard</h1>
<p>Old bard page</p>
<!-- sow-topdata-wiki:managed:end -->
`

	createCalls := 0
	var updated string
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/9/pages" && r.URL.Query().Get("q") == "":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pages": []any{}, "hasMore": false}})
		case r.Method == http.MethodPost && r.URL.Path == "/api/v3/topics":
			createCalls++
			w.Header().Set("Content-Type", "application/json")
			w.WriteHeader(http.StatusBadRequest)
			_ = json.NewEncoder(w).Encode(map[string]any{
				"status": map[string]any{
					"code":    "bad-request",
					"message": "A wiki page with this URL already exists in this namespace. Rename the page before publishing.",
				},
				"response": map[string]any{},
			})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/9/pages" && r.URL.Query().Get("q") == "bard":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{
				"response": map[string]any{
					"pages": []map[string]any{
						{"tid": 77, "title": "Bard", "titleLeaf": "Bard", "slug": "77/bard", "wikiPath": "/wiki/classes/bard"},
					},
					"hasMore": false,
				},
			})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/topics/77":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"tid": 77, "mainPid": 88}})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/posts/88":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 88, "tid": 77, "content": old}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/edit-lock":
			respondWikiEditLock(t, w, r, 77, "collision-lock")
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/posts/88":
			var req struct {
				Content           string `json:"content"`
				WikiEditLockToken string `json:"wikiEditLockToken"`
			}
			if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
				t.Fatalf("decode update request: %v", err)
			}
			if req.WikiEditLockToken != "collision-lock" {
				t.Fatalf("expected collision recovery update to include edit lock token, got %q", req.WikiEditLockToken)
			}
			updated = req.Content
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 88, "tid": 77}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	manifestPath := filepath.Join(root, "deploy-manifest.json")
	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		CategoryIDs:  map[string]int{"classes": 9},
		AllowCreates: true,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions collision recovery failed: %v", err)
	}
	if result.Created != 0 || result.Updated != 1 || createCalls != 1 {
		t.Fatalf("expected collision recovery to update existing page, result=%#v createCalls=%d", result, createCalls)
	}
	if !containsAll(updated, "<p>Generated bard page</p>") {
		t.Fatalf("expected collision recovery to update adopted page:\n%s", updated)
	}
	manifest := loadDeployManifest(manifestPath)
	entry := manifest.Pages["classes:bard"]
	if entry.TID != 77 || entry.PID != 88 || entry.CID != 9 || entry.Hash != computeManagedHash(generated) {
		t.Fatalf("unexpected adopted manifest entry: %#v", entry)
	}
}

func TestDeployWikiCreateCollisionSearchesCanonicalTitleSegment(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "itemtypes"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=itemtypes:blank_magicwand -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Wand (not enchanted)</h1>
<p>Generated wand page</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "itemtypes", "Wand_not_enchanted.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	old := `<!-- sow-topdata-wiki:page=itemtypes:blank_magicwand -->
<!-- sow-topdata-wiki:managed:start hash="sha256:old" -->
<h1>Wand (not enchanted)</h1>
<p>Old wand page</p>
<!-- sow-topdata-wiki:managed:end -->
`

	createCalls := 0
	var updated string
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/58/pages" && r.URL.Query().Get("q") == "":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pages": []any{}, "hasMore": false}})
		case r.Method == http.MethodPost && r.URL.Path == "/api/v3/topics":
			createCalls++
			w.Header().Set("Content-Type", "application/json")
			w.WriteHeader(http.StatusBadRequest)
			_ = json.NewEncoder(w).Encode(map[string]any{
				"status": map[string]any{
					"code":    "bad-request",
					"message": "A wiki page with this URL already exists in this namespace. Rename the page before publishing.",
				},
				"response": map[string]any{},
			})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/58/pages" && r.URL.Query().Get("q") == "blank_magicwand":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pages": []any{}, "hasMore": false}})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/58/pages" && r.URL.Query().Get("q") == "Wand (not enchanted)":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pages": []any{}, "hasMore": false}})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/58/pages" && r.URL.Query().Get("q") == "Wand_not_enchanted":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{
				"response": map[string]any{
					"pages": []map[string]any{
						{"tid": 77, "title": "Wand (not enchanted)", "titleLeaf": "Wand (not enchanted)", "slug": "77/wand-not-enchanted", "wikiPath": "/wiki/Itemtypes/Wand_not_enchanted"},
					},
					"hasMore": false,
				},
			})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/topics/77":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"tid": 77, "mainPid": 88}})
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/posts/88":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 88, "tid": 77, "content": old}})
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/edit-lock":
			respondWikiEditLock(t, w, r, 77, "wand-collision-lock")
		case r.Method == http.MethodPut && r.URL.Path == "/api/v3/posts/88":
			var req struct {
				Content           string `json:"content"`
				WikiEditLockToken string `json:"wikiEditLockToken"`
			}
			if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
				t.Fatalf("decode update request: %v", err)
			}
			if req.WikiEditLockToken != "wand-collision-lock" {
				t.Fatalf("expected collision recovery update to include edit lock token, got %q", req.WikiEditLockToken)
			}
			updated = req.Content
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 88, "tid": 77}})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	manifestPath := filepath.Join(root, "deploy-manifest.json")
	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		CategoryIDs:  map[string]int{"itemtypes": 58},
		AllowCreates: true,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions collision recovery failed: %v", err)
	}
	if result.Created != 0 || result.Updated != 1 || createCalls != 1 {
		t.Fatalf("expected collision recovery to update existing page, result=%#v createCalls=%d", result, createCalls)
	}
	if !containsAll(updated, "<p>Generated wand page</p>") {
		t.Fatalf("expected collision recovery to update adopted page:\n%s", updated)
	}
}

func TestDeployWikiReportsAndArchivesStalePages(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:retired": {Hash: "old-hash", Title: "Retired Skill", Namespace: "skills", TID: 7, PID: 42, CID: 3},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	var archived string
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		if r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/edit-lock" {
			respondWikiEditLock(t, w, r, 7, "archive-lock")
			return
		}
		if r.Method != http.MethodPut || r.URL.Path != "/api/v3/posts/42" {
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
		var req struct {
			Content           string `json:"content"`
			WikiEditLockToken string `json:"wikiEditLockToken"`
		}
		if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
			t.Fatalf("decode archive request: %v", err)
		}
		if req.WikiEditLockToken != "archive-lock" {
			t.Fatalf("expected archive to include wiki edit lock token, got %q", req.WikiEditLockToken)
		}
		archived = req.Content
		w.Header().Set("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pid": 42, "tid": 7}})
	})
	defer server.Close()

	report, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		DryRun:       true,
		StalePolicy:  "report",
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions stale report failed: %v", err)
	}
	if report.Stale != 1 {
		t.Fatalf("expected one stale report, got %#v", report)
	}

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		StalePolicy:  "archive",
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions stale archive failed: %v", err)
	}
	if result.Stale != 1 || result.Archived != 1 {
		t.Fatalf("expected one stale archive, got %#v", result)
	}
	if !containsAll(archived, "<h1>Retired Skill</h1>", "no longer present", `<!-- sow-topdata-wiki:managed:start hash="sha256:`) {
		t.Fatalf("unexpected archived body:\n%s", archived)
	}
	manifest := loadDeployManifest(manifestPath)
	entry := manifest.Pages["skills:retired"]
	if !entry.Stale || entry.ArchivedHash == "" || entry.PID != 42 {
		t.Fatalf("expected archived stale manifest entry, got %#v", entry)
	}
}

func TestDeployWikiDryRunPlansTrackedStalePagePurge(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:retired": {Hash: "old-hash", Title: "Retired Skill", Namespace: "skills", TID: 7, PID: 42, CID: 3},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		t.Fatalf("dry-run purge must not call NodeBB, got %s %s", r.Method, r.URL.Path)
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		DryRun:       true,
		StalePolicy:  "purge",
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions stale purge dry run failed: %v", err)
	}
	if result.Stale != 1 || result.Purged != 1 {
		t.Fatalf("expected one planned stale purge, got %#v", result)
	}
	if _, ok := loadDeployManifest(manifestPath).Pages["skills:retired"]; !ok {
		t.Fatalf("dry-run purge must not change the deploy manifest")
	}
}

func TestDeployWikiPurgeRefusesStaleManifestEntryWithoutTopicID(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:retired": {Hash: "old-hash", Title: "Retired Skill", Namespace: "skills", PID: 42, CID: 3},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		t.Fatalf("missing-topic-id purge must not call NodeBB, got %s %s", r.Method, r.URL.Path)
	})
	defer server.Close()

	_, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		DryRun:       true,
		StalePolicy:  "purge",
	}, nil)
	if err == nil || !strings.Contains(err.Error(), "topic id") {
		t.Fatalf("expected stale purge to require tracked topic id, got %v", err)
	}
}

func TestDeployWikiPurgesTrackedStaleGeneratedTopic(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:retired": {Hash: "old-hash", Title: "Retired Skill", Namespace: "skills", TID: 7, PID: 42, CID: 3},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}
	var calls []string
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		if !answerWikiPagePurge(t, w, r, &calls) {
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		StalePolicy:  "purge",
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions stale purge failed: %v", err)
	}
	if result.Stale != 1 || result.Purged != 1 {
		t.Fatalf("expected one stale purge, got %#v", result)
	}
	if strings.Join(calls, ",") != "tombstone:7,hard-purge:7" {
		t.Fatalf("expected the wiki plugin page actions to purge topic 7, got %#v", calls)
	}
	if _, ok := loadDeployManifest(manifestPath).Pages["skills:retired"]; ok {
		t.Fatalf("expected purged stale manifest entry to be removed")
	}
}

func TestDeployWikiPurgesTrackedStaleTopicsBeforeCreatingReplacementPages(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=skills:replacement -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Replacement</h1>
<p>Generated replacement page</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "skills", "replacement.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:retired": {Hash: "old-hash", Title: "Replacement", Namespace: "skills", TID: 7, PID: 42, CID: 3},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	var calls []string
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		if answerWikiPagePurge(t, w, r, &calls) {
			return
		}
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/3/pages":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pages": []any{}, "hasMore": false}})
		case r.Method == http.MethodPost && r.URL.Path == "/api/v3/topics":
			calls = append(calls, "create")
			if strings.Join(calls, ",") != "tombstone:7,hard-purge:7,create" {
				t.Fatalf("expected stale purge before create, got calls %#v", calls)
			}
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{
				"response": map[string]any{
					"tid": 11,
					"mainPost": map[string]any{
						"pid": 99,
						"tid": 11,
					},
				},
			})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		CategoryIDs:  map[string]int{"skills": 3},
		AllowCreates: true,
		StalePolicy:  "purge",
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions purge-and-create failed: %v", err)
	}
	if result.Created != 1 || result.Purged != 1 {
		t.Fatalf("expected one create and one purge, got %#v", result)
	}
	if strings.Join(calls, ",") != "tombstone:7,hard-purge:7,create" {
		t.Fatalf("expected purge before create, got %#v", calls)
	}
}

func TestDeployWikiResetManagedNamespacesPurgesRemotePagesBeforeCreatingFreshManifest(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=skills:replacement -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Replacement</h1>
<p>Generated replacement page</p>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "skills", "replacement.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:stale": {Hash: "old-hash", Title: "Replacement", Namespace: "skills", TID: 7, PID: 42, CID: 3},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	const resetCalls = "tombstone:7,hard-purge:7,tombstone:8,hard-purge:8"
	var calls []string
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		if answerWikiPagePurge(t, w, r, &calls) {
			return
		}
		switch {
		case r.Method == http.MethodGet && r.URL.Path == "/api/v3/plugins/westgate-wiki/namespace/3/pages":
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{
				"response": map[string]any{
					"pages": []map[string]any{
						{"tid": 7, "title": "Old Replacement", "titleLeaf": "Old Replacement", "slug": "7/replacement", "wikiPath": "/wiki/skills/replacement"},
						{"tid": 8, "title": "Manual Note", "titleLeaf": "Manual Note", "slug": "8/manual-note", "wikiPath": "/wiki/skills/manual-note"},
					},
					"hasMore": false,
				},
			})
		case r.Method == http.MethodPost && r.URL.Path == "/api/v3/topics":
			calls = append(calls, "create")
			if strings.Join(calls, ",") != resetCalls+",create" {
				t.Fatalf("expected namespace reset purges before create, got %#v", calls)
			}
			w.Header().Set("Content-Type", "application/json")
			_ = json.NewEncoder(w).Encode(map[string]any{
				"response": map[string]any{
					"tid": 11,
					"mainPost": map[string]any{
						"pid": 99,
						"tid": 11,
					},
				},
			})
		default:
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.String())
		}
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:              sourceDir,
		Endpoint:               server.URL,
		Token:                  "nodebb-token",
		ManifestPath:           manifestPath,
		CategoryIDs:            map[string]int{"skills": 3},
		AllowCreates:           true,
		ResetManagedNamespaces: true,
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions reset-managed-namespaces failed: %v", err)
	}
	if result.Created != 1 || result.Purged != 2 {
		t.Fatalf("expected one create and two namespace purges, got %#v", result)
	}
	// Callers word their destructive-policy warning around the stale count, so
	// reset deletions have to show up there rather than on a separate path the
	// preview never mentions.
	if result.Stale != 2 || result.ResetPurged != 2 {
		t.Fatalf("expected reset deletions counted as stale, got %#v", result)
	}
	// tid 7 is the manifest's own page; tid 8 is a topic the deployer never
	// wrote, and re-seeding cannot bring it back.
	if result.ResetUnrecognized != 1 {
		t.Fatalf("expected one unrecognized reset deletion, got %#v", result)
	}
	if strings.Join(calls, ",") != resetCalls+",create" {
		t.Fatalf("expected reset purges before create, got %#v", calls)
	}
	manifest := loadDeployManifest(manifestPath)
	if _, ok := manifest.Pages["skills:stale"]; ok {
		t.Fatalf("expected reset to remove previous manifest mapping")
	}
	entry := manifest.Pages["skills:replacement"]
	if entry.TID != 11 || entry.PID != 99 || entry.CID != 3 {
		t.Fatalf("expected fresh created mapping in manifest, got %#v", entry)
	}
}

func TestDeployWikiResetManagedNamespacesRequiresCreateForLocalPages(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := `<!-- sow-topdata-wiki:page=skills:replacement -->
<!-- sow-topdata-wiki:managed:start hash="sha256:local" -->
<h1>Replacement</h1>
<!-- sow-topdata-wiki:managed:end -->
`
	if err := os.WriteFile(filepath.Join(sourceDir, "skills", "replacement.html"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}

	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		t.Fatalf("reset without --create must fail before remote calls, got %s %s", r.Method, r.URL.String())
	})
	defer server.Close()

	_, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:              sourceDir,
		Endpoint:               server.URL,
		Token:                  "nodebb-token",
		CategoryIDs:            map[string]int{"skills": 3},
		ResetManagedNamespaces: true,
	}, nil)
	if err == nil || !strings.Contains(err.Error(), "requires --create") {
		t.Fatalf("expected reset without create to fail clearly, got %v", err)
	}
}

func TestDeployWikiPurgeTreatsAlreadyMissingTrackedTopicAsSuccess(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:retired": {Hash: "old-hash", Title: "Retired Skill", Namespace: "skills", TID: 7, PID: 42, CID: 3},
			"skills:gone":    {Hash: "old-hash", Title: "Gone Skill", Namespace: "skills", TID: 8, PID: 43, CID: 3},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}
	seen := map[string]int{}
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		call, ok := wikiPagePurgeCall(t, r)
		if !ok {
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
		seen[call]++
		w.Header().Set("Content-Type", "application/json")
		// Topic 7 is already gone, so the plugin cannot find the page to
		// tombstone; topic 8 still exists and purges normally.
		if call == "tombstone:7" {
			http.Error(w, `{"status":{"message":"topic not found"}}`, http.StatusNotFound)
			return
		}
		_ = json.NewEncoder(w).Encode(map[string]any{"status": map[string]any{"code": "ok"}})
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		StalePolicy:  "purge",
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions stale purge with missing topic failed: %v", err)
	}
	if result.Stale != 2 || result.Purged != 2 {
		t.Fatalf("expected two stale purges, got %#v", result)
	}
	if seen["tombstone:7"] != 1 || seen["hard-purge:7"] != 0 {
		t.Fatalf("expected the already-missing topic to stop after tombstone, got %#v", seen)
	}
	if seen["tombstone:8"] != 1 || seen["hard-purge:8"] != 1 {
		t.Fatalf("expected the surviving topic to be tombstoned then purged, got %#v", seen)
	}
	manifest := loadDeployManifest(manifestPath)
	if _, ok := manifest.Pages["skills:retired"]; ok {
		t.Fatalf("expected already-missing stale manifest entry to be removed")
	}
	if _, ok := manifest.Pages["skills:gone"]; ok {
		t.Fatalf("expected purged stale manifest entry to be removed")
	}
}

func TestDeployWikiPurgeDoesNotTargetCurrentGeneratedPages(t *testing.T) {
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	generated := "[//]: # (sow-topdata-wiki:managed:start)\n# Athletics\n\nGenerated athletics page\n[//]: # (sow-topdata-wiki:managed:end)\n"
	if err := os.WriteFile(filepath.Join(sourceDir, "skills", "athletics.md"), []byte(generated), 0644); err != nil {
		t.Fatalf("write source page: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{
		Version: "nodebb-v1",
		Pages: map[string]wikiDeployManifestPage{
			"skills:athletics": {
				Hash:                computeManagedHash(generated),
				Title:               "Athletics",
				Namespace:           "skills",
				SourceContentSynced: true,
				TID:                 7,
				PID:                 42,
				CID:                 3,
			},
		},
	}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		t.Fatalf("current generated page must not call NodeBB during matching-hash deploy, got %s %s", r.Method, r.URL.Path)
	})
	defer server.Close()

	result, err := DeployWikiWithOptions(&project.Project{}, DeployWikiOptions{
		SourceDir:    sourceDir,
		Endpoint:     server.URL,
		Token:        "nodebb-token",
		ManifestPath: manifestPath,
		StalePolicy:  "purge",
	}, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions current page purge deploy failed: %v", err)
	}
	if result.Stale != 0 || result.Purged != 0 || result.Skipped != 1 {
		t.Fatalf("expected current generated page to skip purge, got %#v", result)
	}
	if _, ok := loadDeployManifest(manifestPath).Pages["skills:athletics"]; !ok {
		t.Fatalf("expected current generated page to remain in deploy manifest")
	}
}

func containsAll(haystack string, needles ...string) bool {
	for _, needle := range needles {
		if !strings.Contains(haystack, needle) {
			return false
		}
	}
	return true
}

func respondWikiEditLock(t *testing.T, w http.ResponseWriter, r *http.Request, expectedTID int, token string) {
	t.Helper()
	var req struct {
		TID int `json:"tid"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		t.Fatalf("decode edit lock request: %v", err)
	}
	if req.TID != expectedTID {
		t.Fatalf("expected edit lock for tid %d, got %d", expectedTID, req.TID)
	}
	w.Header().Set("Content-Type", "application/json")
	_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"status": "ok", "tid": expectedTID, "token": token}})
}

// newFakeNodeBB stands up a fake NodeBB that behaves like one running
// nodebb-plugin-westgate-wiki: native topic mutation on wiki categories is
// refused, because wiki revision history is plugin-owned. Every deploy test
// goes through here, so a deployer that reaches for the core topic API fails in
// CI the way it fails in production rather than passing against a fake that is
// more permissive than the real thing.
func newFakeNodeBB(t *testing.T, handler http.HandlerFunc) *httptest.Server {
	t.Helper()
	return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if strings.HasPrefix(r.URL.Path, "/api/v3/topics/") && (r.Method == http.MethodDelete || r.Method == http.MethodPut) {
			http.Error(
				w,
				`{"status":{"code":"bad-request","message":"Use the wiki page actions to delete, restore, or purge wiki pages."}}`,
				http.StatusBadRequest,
			)
			return
		}
		handler(w, r)
	}))
}

// wikiPagePurgeCall recognizes the plugin page actions a purge goes through and
// reports them as "<action>:<tid>" so tests can assert the order.
func wikiPagePurgeCall(t *testing.T, r *http.Request) (string, bool) {
	t.Helper()
	var action string
	switch {
	case r.Method == http.MethodPut && r.URL.Path == "/api/v3/plugins/westgate-wiki/page/tombstone":
		action = "tombstone"
	case r.Method == http.MethodDelete && r.URL.Path == "/api/v3/plugins/westgate-wiki/page/hard-purge":
		action = "hard-purge"
	default:
		return "", false
	}
	var req struct {
		TID int `json:"tid"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		t.Fatalf("decode wiki %s request: %v", action, err)
	}
	if req.TID == 0 {
		t.Fatalf("expected wiki %s request to carry a topic id", action)
	}
	return fmt.Sprintf("%s:%d", action, req.TID), true
}

// answerWikiPagePurge records and acknowledges a plugin purge action, which is
// what most fakes want to do with one.
func answerWikiPagePurge(t *testing.T, w http.ResponseWriter, r *http.Request, calls *[]string) bool {
	t.Helper()
	call, ok := wikiPagePurgeCall(t, r)
	if !ok {
		return false
	}
	*calls = append(*calls, call)
	w.Header().Set("Content-Type", "application/json")
	_ = json.NewEncoder(w).Encode(map[string]any{"status": map[string]any{"code": "ok"}})
	return true
}

// resetPurgeFixture builds a source tree, a deploy manifest, and the reset
// options the namespace-reset tests share.
func resetPurgeFixture(t *testing.T, namespaces map[string]int, tidsByCID map[int][]int) (DeployWikiOptions, func(w http.ResponseWriter, r *http.Request) bool) {
	t.Helper()
	root := t.TempDir()
	sourceDir := filepath.Join(root, "pages")
	if err := os.MkdirAll(filepath.Join(sourceDir, "skills"), 0755); err != nil {
		t.Fatalf("create source dir: %v", err)
	}
	manifestPath := filepath.Join(root, "deploy-manifest.json")
	if err := saveDeployManifest(manifestPath, wikiDeployManifest{Version: "nodebb-v1", Pages: map[string]wikiDeployManifestPage{}}); err != nil {
		t.Fatalf("write deploy manifest: %v", err)
	}

	listPages := func(w http.ResponseWriter, r *http.Request) bool {
		if r.Method != http.MethodGet {
			return false
		}
		var cid int
		if _, err := fmt.Sscanf(r.URL.Path, "/api/v3/plugins/westgate-wiki/namespace/%d/pages", &cid); err != nil {
			return false
		}
		tids, ok := tidsByCID[cid]
		if !ok {
			t.Fatalf("unexpected namespace listing for category %d", cid)
		}
		pages := make([]map[string]any, 0, len(tids))
		for _, tid := range tids {
			pages = append(pages, map[string]any{"tid": tid, "title": fmt.Sprintf("Page %d", tid)})
		}
		w.Header().Set("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(map[string]any{"response": map[string]any{"pages": pages, "hasMore": false}})
		return true
	}

	return DeployWikiOptions{
		SourceDir:              sourceDir,
		ManifestPath:           manifestPath,
		Token:                  "nodebb-token",
		CategoryIDs:            namespaces,
		AllowCreates:           true,
		ResetManagedNamespaces: true,
	}, listPages
}

func TestDeployWikiResetSkipsTopicsNodeBBRefusesToDelete(t *testing.T) {
	opts, listPages := resetPurgeFixture(t, map[string]int{"skills": 3}, map[int][]int{3: {5, 6}})
	var calls []string
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		if listPages(w, r) {
			return
		}
		call, ok := wikiPagePurgeCall(t, r)
		if !ok {
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
		calls = append(calls, call)
		// Topic 5 stands in for the wiki home page, which the plugin excludes
		// from tombstone, restore, and purge alike.
		if call == "tombstone:5" {
			http.Error(w, `{"status":{"message":"[[error:no-privileges]]"}}`, http.StatusForbidden)
			return
		}
		w.Header().Set("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(map[string]any{"status": map[string]any{"code": "ok"}})
	})
	defer server.Close()
	opts.Endpoint = server.URL

	result, err := DeployWikiWithOptions(&project.Project{}, opts, nil)
	if err != nil {
		t.Fatalf("DeployWikiWithOptions reset with an undeletable topic failed: %v", err)
	}
	if result.ResetSkipped != 1 || result.ResetPurged != 1 {
		t.Fatalf("expected one skipped and one completed reset deletion, got %#v", result)
	}
	if result.Purged != 1 || result.Stale != 1 {
		t.Fatalf("expected the skipped topic to be dropped from the counts, got %#v", result)
	}
	if result.ResetUnrecognized != 1 {
		t.Fatalf("expected only the purged unrecognized topic to be counted, got %#v", result)
	}
	if strings.Join(calls, ",") != "tombstone:5,tombstone:6,hard-purge:6" {
		t.Fatalf("expected the reset to continue past the refused topic, got %#v", calls)
	}
}

// NodeBB answers 403 both for the wiki home page and for a token without purge
// privileges. A category where nothing could be deleted at all is the second
// case, and reporting it as a completed reset would leave the manifest claiming
// a fresh start over pages that are all still there.
func TestDeployWikiResetFailsWhenACategoryRefusesEveryDeletion(t *testing.T) {
	opts, listPages := resetPurgeFixture(t,
		map[string]int{"skills": 3, "feats": 4},
		map[int][]int{3: {5, 6}, 4: {7, 8}},
	)
	server := newFakeNodeBB(t, func(w http.ResponseWriter, r *http.Request) {
		if listPages(w, r) {
			return
		}
		call, ok := wikiPagePurgeCall(t, r)
		if !ok {
			t.Fatalf("unexpected request %s %s", r.Method, r.URL.Path)
		}
		// Category 4 holds topics 7 and 8, and the token can purge neither.
		if strings.HasSuffix(call, ":7") || strings.HasSuffix(call, ":8") {
			http.Error(w, `{"status":{"message":"[[error:no-privileges]]"}}`, http.StatusForbidden)
			return
		}
		w.Header().Set("Content-Type", "application/json")
		_ = json.NewEncoder(w).Encode(map[string]any{"status": map[string]any{"code": "ok"}})
	})
	defer server.Close()
	opts.Endpoint = server.URL

	_, err := DeployWikiWithOptions(&project.Project{}, opts, nil)
	if err == nil || !strings.Contains(err.Error(), "wiki purge privileges") {
		t.Fatalf("expected a category that deleted nothing to fail loudly, got %v", err)
	}
	if !strings.Contains(err.Error(), "4") {
		t.Fatalf("expected the failure to name the refusing category, got %v", err)
	}
}