package galleries

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

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

func TestPublicGalleryAndFavoritesOnSQLite(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")
	galleryID := uuid.MustParse("66666666-6666-4666-8666-666666666666")
	mediaID := uuid.MustParse("77777777-7777-4777-8777-777777777777")
	if _, err := database.ExecContext(ctx, `INSERT INTO users (id, email, password_hash, name) VALUES ($1, $2, $3, $4)`, userID, "demo@example.com", "hash", "Northline Studio"); err != nil {
		t.Fatalf("insert user: %v", err)
	}
	if _, err := database.ExecContext(ctx, `
		INSERT INTO galleries (id, user_id, slug, title, client_name, description, status, cover_media_id, branding_config)
		VALUES ($1, $2, $3, $4, $5, $6, 'published', $7, $8)
	`, galleryID, userID, "demo-gallery", "Emma & James", "Emma & James", "A day worth keeping.", mediaID, `{"studioName":"Northline Studio"}`); err != nil {
		t.Fatalf("insert gallery: %v", err)
	}
	if _, err := database.ExecContext(ctx, `
		INSERT INTO media (id, gallery_id, original_filename, mime_type, storage_key, external_url, processing_status, sort_order)
		VALUES ($1, $2, $3, $4, $5, $6, 'READY', 0)
	`, mediaID, galleryID, "one.jpg", "image/jpeg", "demo/one.jpg", "https://example.com/one.jpg"); err != nil {
		t.Fatalf("insert media: %v", err)
	}

	authService, err := auth.NewService(auth.NewRepository(database), "test-gallery-secret-that-is-long-enough", false)
	if err != nil {
		t.Fatalf("create auth service: %v", err)
	}
	handler := NewHandler(NewRepository(database), media.NewRepository(database), nil, authService)
	mux := http.NewServeMux()
	handler.RegisterPublicRoutes(mux)

	getRequest := httptest.NewRequest(http.MethodGet, "/api/public/galleries/demo-gallery", nil)
	getRecorder := httptest.NewRecorder()
	mux.ServeHTTP(getRecorder, getRequest)
	if getRecorder.Code != http.StatusOK {
		t.Fatalf("expected public gallery 200, got %d: %s", getRecorder.Code, getRecorder.Body.String())
	}
	var gallery Public
	if err := json.NewDecoder(getRecorder.Body).Decode(&gallery); err != nil {
		t.Fatalf("decode public gallery: %v", err)
	}
	if gallery.Title != "Emma & James" || len(gallery.Media) != 1 || gallery.Media[0].PreviewURL != "https://example.com/one.jpg" {
		t.Fatalf("unexpected public gallery: %+v", gallery)
	}

	favoriteRequest := httptest.NewRequest(http.MethodPost, "/api/public/galleries/demo-gallery/media/77777777-7777-4777-8777-777777777777/favorite", nil)
	for _, cookie := range getRecorder.Result().Cookies() {
		favoriteRequest.AddCookie(cookie)
	}
	favoriteRecorder := httptest.NewRecorder()
	mux.ServeHTTP(favoriteRecorder, favoriteRequest)
	if favoriteRecorder.Code != http.StatusOK {
		t.Fatalf("expected favorite 200, got %d: %s", favoriteRecorder.Code, favoriteRecorder.Body.String())
	}
}