package changelog

import "testing"

func TestSanitizeSubject(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name    string
		subject string
		want    string
	}{
		{
			name:    "merge prefix with quotes",
			subject: "Merge pull request 'Add classes overhaul (#123)'",
			want:    "Add classes overhaul",
		},
		{
			name:    "plain subject",
			subject: "Add classes overhaul (#123)",
			want:    "Add classes overhaul",
		},
		{
			name:    "double quotes",
			subject: `Merge pull request "Add classes overhaul (#123)"`,
			want:    "Add classes overhaul",
		},
	}

	for _, tt := range tests {
		tt := tt
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()
			if got := sanitizeSubject(tt.subject); got != tt.want {
				t.Fatalf("sanitizeSubject(%q) = %q, want %q", tt.subject, got, tt.want)
			}
		})
	}
}

func TestOwnerAndRepoFromURL(t *testing.T) {
	t.Parallel()

	owner, repo, err := ownerAndRepoFromURL("https://gitea.example.test/org/repo.git")
	if err != nil {
		t.Fatalf("ownerAndRepoFromURL returned error: %v", err)
	}
	if owner != "org" || repo != "repo" {
		t.Fatalf("ownerAndRepoFromURL returned %q/%q", owner, repo)
	}
}

func TestDeriveAPIBaseURL(t *testing.T) {
	t.Parallel()

	got := deriveAPIBaseURL("https://gitea.example.test/org/repo")
	want := "https://gitea.example.test/api/v1"
	if got != want {
		t.Fatalf("deriveAPIBaseURL() = %q, want %q", got, want)
	}
}

func TestNormalizeAPIBaseURL(t *testing.T) {
	t.Parallel()

	tests := []struct {
		input string
		want  string
	}{
		{input: "https://gitea.example.test", want: "https://gitea.example.test/api/v1"},
		{input: "https://gitea.example.test/api/v1", want: "https://gitea.example.test/api/v1"},
	}

	for _, tt := range tests {
		if got := normalizeAPIBaseURL(tt.input); got != tt.want {
			t.Fatalf("normalizeAPIBaseURL(%q) = %q, want %q", tt.input, got, tt.want)
		}
	}
}