package galleries

import (
	"context"
	"encoding/json"
	"os"
	"path/filepath"
	"runtime"
	"testing"

	appdb "github.com/example/sndit/backend/internal/db"
	"github.com/google/uuid"
)

func TestRepositoryHandlesSQLiteGallerySchema(t *testing.T) {
	ctx := context.Background()
	database, err := appdb.New(ctx, "sqlite", ":memory:")
	if err != nil {
		t.Fatalf("open sqlite database: %v", err)
	}
	defer database.Close()

	_, sourceFile, _, ok := runtime.Caller(0)
	if !ok {
		t.Fatal("find test source file")
	}
	migrationPath := filepath.Join(filepath.Dir(sourceFile), "..", "..", "..", "migrations", "sqlite", "003_gallery_platform.sql")
	migration, err := os.ReadFile(migrationPath)
	if err != nil {
		t.Fatalf("read gallery migration: %v", err)
	}
	if _, err := database.ExecContext(ctx, string(migration)); err != nil {
		t.Fatalf("apply gallery migration: %v", err)
	}

	userID := uuid.MustParse("55555555-5555-4555-8555-555555555555")
	if _, err := database.ExecContext(ctx, `INSERT INTO users (id, email, password_hash, name) VALUES ($1, $2, $3, $4)`, userID, "demo@example.com", "hash", "Noah Bianchi"); err != nil {
		t.Fatalf("insert user: %v", err)
	}
	repository := NewRepository(database)
	record, err := repository.Create(ctx, userID, "emma-james-wedding-12345678", "Emma & James", "Emma & James", "A summer wedding.")
	if err != nil {
		t.Fatalf("create gallery: %v", err)
	}
	if record.Status != StatusDraft || record.Title != "Emma & James" {
		t.Fatalf("unexpected gallery: %+v", record)
	}

	mediaID := uuid.MustParse("77777777-7777-4777-8777-777777777777")
	if _, err := database.ExecContext(ctx, `
		INSERT INTO media (id, gallery_id, original_filename, mime_type, file_size, storage_key, processing_status, sort_order)
		VALUES ($1, $2, $3, $4, $5, $6, 'READY', 0)
	`, mediaID, record.ID, "one.jpg", "image/jpeg", 4096, "gallery/one.jpg"); err != nil {
		t.Fatalf("insert media: %v", err)
	}

	updated, err := repository.Update(ctx, userID, record.ID, UpdateInput{
		Title:              record.Title,
		ClientName:         record.ClientName,
		Description:        record.Description,
		DownloadsEnabled:   true,
		FavoritesEnabled:   true,
		DownloadAllEnabled: true,
		ThemeConfig:        json.RawMessage(`{"mode":"dark"}`),
		BrandingConfig:     json.RawMessage(`{"studioName":"Noah Bianchi"}`),
	})
	if err != nil {
		t.Fatalf("update gallery: %v", err)
	}
	if string(updated.ThemeConfig) != `{"mode":"dark"}` {
		t.Fatalf("theme config was not persisted: %s", updated.ThemeConfig)
	}

	summaries, err := repository.ListForUser(ctx, userID)
	if err != nil {
		t.Fatalf("list galleries: %v", err)
	}
	if len(summaries) != 1 || summaries[0].PhotoCount != 1 || summaries[0].TotalBytes != 4096 {
		t.Fatalf("unexpected summary: %+v", summaries)
	}
	if _, err := repository.SetStatus(ctx, userID, record.ID, StatusPublished); err != nil {
		t.Fatalf("publish gallery: %v", err)
	}
	if _, err := repository.GetPublicBySlug(ctx, record.Slug); err != nil {
		t.Fatalf("public gallery lookup: %v", err)
	}
}