import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:wordpress/providers/api_const.dart';
import 'package:wordpress/providers/api_repositoryprovider.dart';
import 'package:wordpress/viewmodel/all_product_model.dart';
import 'package:wordpress/viewmodel/cart_model.dart';
import 'package:wordpress/viewmodel/detail_model.dart';
import 'package:wordpress/viewmodel/product_home_page_model.dart';

final apiRepositoryProvider = Provider((ref) => ApiRepository());

final productHomePageProvider =
    FutureProvider.autoDispose<ProductHomePageModel>((ref) async {
      final repo = ref.read(apiRepositoryProvider);
      return repo.fetchHomePage(ConstsApi.home);
    });
final allProductProvider = FutureProvider.autoDispose<List<AllProductModel>>((
  ref,
) async {
  final repo = ref.read(apiRepositoryProvider);
  return repo.fetchAllProducts(ConstsApi.allproduct);
});

final cartProvider = FutureProvider.autoDispose<CartResponse>((ref) async {
  final repo = ref.read(apiRepositoryProvider);
  return repo.fetchCart(ConstsApi.cart);
});

final productDetailProvider = FutureProvider.autoDispose
    .family<DetailModel, int>((ref, id) async {
      final repo = ref.read(apiRepositoryProvider);
      return repo.fetchProductDetail(id);
    });
final cartHelperProvider = Provider((ref) => WooCartHelper());

final cartIdProvider = StateProvider<int?>((ref) => null);

final cartItemsProvider = FutureProvider<List<CartItem>>((ref) async {
  final cartId = ref.watch(cartIdProvider);
  if (cartId == null) return [];

  final cartHelper = ref.read(cartHelperProvider);
  return await cartHelper.getCartItems();
});

final cartItemCountProvider = Provider<int>((ref) {
  final cartItems = ref.watch(cartItemsProvider);
  return cartItems.when(
    data: (items) => items.fold(0, (sum, item) => sum + item.quantity),
    loading: () => 0,
    error: (_, __) => 0,
  );
});