Refactor build and topdata path resolution through project config

internal/project/project_test.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"path/filepath"
 	"slices"
+	"strings"
 	"testing"
 )
 
@@ -83,6 +84,67 @@ func TestTopDataAssetsDirReturnsEmptyForNoConfig(t *testing.T) {
 	}
 }
 
+func TestModuleArchivePathUsesConfiguredBuildDirAndResRef(t *testing.T) {
+	root := t.TempDir()
+	mkdirAll(t, filepath.Join(root, "output"))
+
+	proj := &Project{
+		Root: root,
+		Config: Config{
+			Module: ModuleConfig{Name: "Test", ResRef: "testmod"},
+			Paths:  PathConfig{Build: "output"},
+		},
+	}
+
+	got := proj.ModuleArchivePath()
+	want := filepath.Join(root, "output", "testmod.mod")
+	if got != want {
+		t.Fatalf("expected %s, got %s", want, got)
+	}
+}
+
+func TestHAKPathsUseConfiguredBuildDir(t *testing.T) {
+	root := t.TempDir()
+	mkdirAll(t, filepath.Join(root, "output"))
+
+	proj := &Project{
+		Root: root,
+		Config: Config{
+			Paths: PathConfig{Build: "output"},
+		},
+	}
+
+	if got, want := proj.HAKManifestPath(), filepath.Join(root, "output", "haks.json"); got != want {
+		t.Fatalf("expected manifest path %s, got %s", want, got)
+	}
+	if got, want := proj.HAKArchivePath("core_01"), filepath.Join(root, "output", "core_01.hak"); got != want {
+		t.Fatalf("expected hak path %s, got %s", want, got)
+	}
+}
+
+func TestTopDataPackagePathsUseConfiguredNamesAndBuildDir(t *testing.T) {
+	root := t.TempDir()
+	mkdirAll(t, filepath.Join(root, "output"))
+
+	proj := &Project{
+		Root: root,
+		Config: Config{
+			Paths: PathConfig{Build: "output"},
+			TopData: TopDataConfig{
+				PackageHAK: "custom_top.hak",
+				PackageTLK: "custom_dialog.tlk",
+			},
+		},
+	}
+
+	if got, want := proj.TopDataPackageHAKPath(), filepath.Join(root, "output", "custom_top.hak"); got != want {
+		t.Fatalf("expected top hak path %s, got %s", want, got)
+	}
+	if got, want := proj.TopDataPackageTLKPath(), filepath.Join(root, "output", "custom_dialog.tlk"); got != want {
+		t.Fatalf("expected top tlk path %s, got %s", want, got)
+	}
+}
+
 func TestValidateLayoutAllowsMissingAssetsDir(t *testing.T) {
 	root := t.TempDir()
 	mkdirAll(t, filepath.Join(root, "src"))
@@ -104,6 +166,36 @@ func TestValidateLayoutAllowsMissingAssetsDir(t *testing.T) {
 	}
 }
 
+func TestValidateLayoutRejectsInvalidTopDataPackageOutputNames(t *testing.T) {
+	root := t.TempDir()
+	mkdirAll(t, filepath.Join(root, "src"))
+	mkdirAll(t, filepath.Join(root, "build"))
+
+	proj := &Project{
+		Root: root,
+		Config: Config{
+			Module: ModuleConfig{Name: "Test", ResRef: "test"},
+			Paths:  PathConfig{Source: "src", Build: "build"},
+			TopData: TopDataConfig{
+				Source:     "topdata",
+				PackageHAK: "nested/custom_top.hak",
+				PackageTLK: "custom_dialog.txt",
+			},
+		},
+	}
+
+	err := proj.ValidateLayout()
+	if err == nil {
+		t.Fatal("expected topdata output validation error")
+	}
+	if !strings.Contains(err.Error(), "topdata.package_hak") {
+		t.Fatalf("expected package_hak validation error, got %v", err)
+	}
+	if !strings.Contains(err.Error(), "topdata.package_tlk") {
+		t.Fatalf("expected package_tlk validation error, got %v", err)
+	}
+}
+
 func TestScanAllowsMissingAssetsDir(t *testing.T) {
 	root := t.TempDir()
 	mkdirAll(t, filepath.Join(root, "src"))