package bookmarks

import (
	"os"
	"path/filepath"
	"testing"
)

func TestStoreRoundTrip(t *testing.T) {
	t.Setenv("XDG_DATA_HOME", t.TempDir())
	s := Open()

	if got, _ := s.List(""); len(got) != 0 {
		t.Fatalf("empty store should list nothing, got %d", len(got))
	}
	b, err := s.Add(Bookmark{Book: "John", Chapter: 3, Note: "for God so loved", Tags: []string{"grace", "gospel"}})
	if err != nil || b.ID == "" || b.Created == "" {
		t.Fatalf("add: %+v err=%v", b, err)
	}
	if _, err := s.Add(Bookmark{Book: "Luke", Chapter: 15, Tags: []string{"gospel"}}); err != nil {
		t.Fatal(err)
	}

	all, _ := s.List("")
	if len(all) != 2 || all[0].Book != "Luke" { // newest first
		t.Errorf("list = %+v", all)
	}
	tagged, _ := s.List("grace")
	if len(tagged) != 1 || tagged[0].Book != "John" {
		t.Errorf("tag filter = %+v", tagged)
	}
	if tags, _ := s.Tags(); len(tags) != 2 || tags[0] != "gospel" {
		t.Errorf("tags = %v", tags)
	}
	if err := s.Delete(b.ID); err != nil {
		t.Fatal(err)
	}
	if all, _ := s.List(""); len(all) != 1 || all[0].Book != "Luke" {
		t.Errorf("after delete = %+v", all)
	}
}

func TestParseTags(t *testing.T) {
	got := ParseTags("  grace , gospel ,, mercy ")
	if len(got) != 3 || got[0] != "grace" || got[2] != "mercy" {
		t.Errorf("ParseTags = %v", got)
	}
}

func TestMigrateJSONToTSV(t *testing.T) {
	dir := t.TempDir()
	t.Setenv("XDG_DATA_HOME", dir)
	os.MkdirAll(filepath.Join(dir, "lectio"), 0o755)
	if err := os.WriteFile(filepath.Join(dir, "lectio", "bookmarks.json"),
		[]byte(`[{"id":"a1","book":"John","chapter":3,"verse":16,"note":"a\tnote","tags":["grace"],"created":"2026-07-24T10:00:00Z"}]`), 0o644); err != nil {
		t.Fatal(err)
	}
	s := Open() // migrates JSON -> TSV
	got, _ := s.List("")
	if len(got) != 1 || got[0].Book != "John" || got[0].Verse != 16 || got[0].Note != "a note" {
		t.Fatalf("migrated = %+v (tab in note should be sanitized)", got)
	}
	if _, err := os.Stat(filepath.Join(dir, "lectio", "bookmarks.tsv")); err != nil {
		t.Errorf("tsv not written: %v", err)
	}
	if _, err := os.Stat(filepath.Join(dir, "lectio", "bookmarks.json.migrated")); err != nil {
		t.Errorf("json not backed up: %v", err)
	}
}