import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:recipe_flutter/features/admin/data/admin_repository.dart';
import 'package:recipe_flutter/features/admin/domain/admin_product.dart';
import 'package:recipe_flutter/features/admin/domain/receipt_alias.dart';
import 'package:recipe_flutter/features/admin/presentation/admin_aliases_panel.dart';

// Test wrapper that implements AdminRepository with minimal methods
class TestAdminRepositoryWrapper implements AdminRepository {
  final FakeAdminRepository _fakeRepo;

  TestAdminRepositoryWrapper(this._fakeRepo);

  @override
  Future<List<ReceiptAlias>> listReceiptAliases() => _fakeRepo.listReceiptAliases();

  @override
  Future<List<AdminProduct>> listGlobalProducts() => _fakeRepo.listGlobalProducts();

  @override
  Future<void> updateReceiptAlias(int id, {String? receiptName, int? productId, bool? isGlobal}) => _fakeRepo.updateReceiptAlias(id, receiptName: receiptName, productId: productId, isGlobal: isGlobal);

  // Stub implementations for other required methods
  @override
  Future<List<AdminAiCategorizeResult>> aiCategorizeBulk({List<int>? productIds}) => throw UnimplementedError();
  @override
  Future<int> bulkSetCategory(List<int> ids, {required int? categoryId}) => throw UnimplementedError();
  @override
  Future<AdminInventoryItem> createAdminInventory({int? userId, required int productId, required double quantity, required String unit, String? location, String? brand, String? receiptName, String? suitableFor, String? comment}) => throw UnimplementedError();
  @override
  Future<AdminPantryItem> createAdminPantry({int? userId, required int productId, String? location}) => throw UnimplementedError();
  @override
  Future<Map<String, dynamic>> createProduct(String name, {int? categoryId}) => throw UnimplementedError();
  @override
  Future<UserAdmin> createUser({required String username, required String email, required String password, String role = 'user'}) => throw UnimplementedError();
  @override
  Future<void> deleteUser(int userId) => throw UnimplementedError();
  @override
  Future<List<AdminInventoryItem>> listAdminInventory({int? userId, String? sort}) => throw UnimplementedError();
  @override
  Future<List<AdminPantryItem>> listAdminPantry({int? userId}) => throw UnimplementedError();
  @override
  Future<List<AiModelInfo>> listAiModels() => throw UnimplementedError();
  @override
  Future<List<AdminCategoryNode>> listCategoryTree() => throw UnimplementedError();
  @override
  Future<List<AdminProduct>> listDeletedProducts() => throw UnimplementedError();
  @override
  Future<List<PendingProduct>> listPendingProducts() => throw UnimplementedError();
  @override
  Future<List<PendingProduct>> listPrivateProducts() => throw UnimplementedError();
  @override
  Future<List<AdminProduct>> listProducts() => throw UnimplementedError();
  @override
  Future<List<AdminProduct>> listSelectableProductsForAdmin({bool forceRefresh = false}) => throw UnimplementedError();
  @override
  Future<List<UserAdmin>> listUsers() => throw UnimplementedError();
  @override
  Future<void> mergeAdminInventory({required int sourceInventoryId, required int targetInventoryId}) => throw UnimplementedError();
  @override
  Future<void> mergeProducts({required int sourceProductId, required int targetProductId}) => throw UnimplementedError();
  @override
  Future<void> mergeProductsPrivate({required int sourceProductId, required int targetProductId}) => throw UnimplementedError();
  @override
  Future<void> moveAdminInventoryToPantry(int inventoryId) => throw UnimplementedError();
  @override
  Future<void> moveAdminPantryToInventory(int pantryItemId, Map<String, dynamic> body) => throw UnimplementedError();
  @override
  Future<Map<String, dynamic>> previewAdminInventoryMerge({required int sourceInventoryId, required int targetInventoryId}) => throw UnimplementedError();
  @override
  Future<Map<String, dynamic>> previewMerge({required int sourceProductId, required int targetProductId}) => throw UnimplementedError();
  @override
  Future<AdminProduct> promotePrivateProduct(int productId) => throw UnimplementedError();
  @override
  Future<void> removeAdminInventory(int inventoryId) => throw UnimplementedError();
  @override
  Future<void> removeAdminPantryItem(int pantryItemId) => throw UnimplementedError();
  @override
  Future<void> removeProduct(int productId) => throw UnimplementedError();
  @override
  Future<void> removeReceiptAlias(int id) => throw UnimplementedError();
  @override
  Future<Map<String, dynamic>> resetPassword(int userId) => throw UnimplementedError();
  @override
  Future<void> restoreProduct(int productId) => throw UnimplementedError();
  @override
  Future<UserAdmin> setPremium(int userId, {required bool isPremium}) => throw UnimplementedError();
  @override
  Future<void> setProductCategory(int productId, {required int? categoryId}) => throw UnimplementedError();
  @override
  Future<void> setProductStatus(int productId, String status) => throw UnimplementedError();
  @override
  Future<UserAdmin> setRecipeSharing(int userId, {required bool canShareRecipes}) => throw UnimplementedError();
  @override
  Future<UserAdmin> setRole(int userId, String newRole) => throw UnimplementedError();
  @override
  Future<AdminInventoryItem> updateAdminInventory(int inventoryId, {int? productId, double? quantity, String? unit, String? location, String? brand, String? receiptName, String? suitableFor, String? comment}) => throw UnimplementedError();
  @override
  Future<AdminPantryItem> updateAdminPantry(int pantryItemId, {int? productId, String? location}) => throw UnimplementedError();
  @override
  Future<void> updateCanonicalName(int productId, String canonicalName) => throw UnimplementedError();
  @override
  Future<void> updateCanonicalNamePrivate(int productId, String canonicalName) => throw UnimplementedError();
  @override
  Future<void> updateEmail(int userId, String email) => throw UnimplementedError();
  @override
  Future<void> upsertReceiptAlias({required String receiptName, required int productId, bool isGlobal = false}) => throw UnimplementedError();
}

// Simple fake that only implements the methods we need
class FakeAdminRepository {
  List<ReceiptAlias> _aliases = [];
  List<AdminProduct> _products = [];

  Future<List<ReceiptAlias>> listReceiptAliases() async {
    return _aliases;
  }

  Future<List<AdminProduct>> listGlobalProducts() async {
    return _products;
  }

  Future<void> updateReceiptAlias(int id, {String? receiptName, int? productId, bool? isGlobal}) async {
    // Find and update alias
    final index = _aliases.indexWhere((a) => a.id == id);
    if (index >= 0) {
      _aliases[index] = ReceiptAlias(
        id: id,
        receiptName: receiptName ?? _aliases[index].receiptName,
        productId: productId ?? _aliases[index].productId,
        displayProductName: _products.firstWhere((p) => p.id == (productId ?? _aliases[index].productId)).displayName,
        isGlobal: isGlobal ?? _aliases[index].isGlobal,
      );
    }
  }

  void setAliases(List<ReceiptAlias> aliases) {
    _aliases = aliases;
  }

  void setProducts(List<AdminProduct> products) {
    _products = products;
  }
}

void main() {
  group('AdminAliasesPanel - Switch Tests', () {
    late FakeAdminRepository fakeRepo;
    late TestAdminRepositoryWrapper wrapper;
    late List<ReceiptAlias> mockAliases;
    late List<AdminProduct> mockProducts;

    setUp(() {
      fakeRepo = FakeAdminRepository();
      wrapper = TestAdminRepositoryWrapper(fakeRepo);
      mockProducts = [
        AdminProduct(id: 1, name: 'Test Product', displayName: 'Test Product', categoryPath: 'Test > Category'),
      ];
      fakeRepo.setProducts(mockProducts);
    });

    testWidgets('Switch should be disabled for global alias', (tester) async {
      mockAliases = [
        ReceiptAlias(
          id: 1,
          receiptName: 'Global Alias',
          productId: 1,
          displayProductName: 'Test Product',
          isGlobal: true,
        ),
      ];
      fakeRepo.setAliases(mockAliases);

      await tester.pumpWidget(
        ProviderScope(
          overrides: [
            adminRepositoryProvider.overrideWithValue(wrapper),
          ],
          child: MaterialApp(
            home: Scaffold(
              body: AdminAliasesPanel(embedded: true),
            ),
          ),
        ),
      );

      await tester.pumpAndSettle();

      // Find the switch in the first alias card
      final switchFinder = find.byType(Switch);
      expect(switchFinder, findsOneWidget);

      final switchWidget = tester.widget<Switch>(switchFinder);
      expect(switchWidget.value, isTrue);
      expect(switchWidget.onChanged, isNull); // Disabled

      // Verify subtitle text
      expect(find.text('Aliaset är redan globalt.'), findsOneWidget);
    });

    testWidgets('Switch should be enabled for private alias', (tester) async {
      mockAliases = [
        ReceiptAlias(
          id: 1,
          receiptName: 'Private Alias',
          productId: 1,
          displayProductName: 'Test Product',
          isGlobal: false,
        ),
      ];
      fakeRepo.setAliases(mockAliases);

      await tester.pumpWidget(
        ProviderScope(
          overrides: [
            adminRepositoryProvider.overrideWithValue(wrapper),
          ],
          child: MaterialApp(
            home: Scaffold(
              body: AdminAliasesPanel(embedded: true),
            ),
          ),
        ),
      );

      await tester.pumpAndSettle();

      // Find the switch in the first alias card
      final switchFinder = find.byType(Switch);
      expect(switchFinder, findsOneWidget);

      final switchWidget = tester.widget<Switch>(switchFinder);
      expect(switchWidget.value, isFalse);
      expect(switchWidget.onChanged, isNotNull); // Enabled

      // Verify subtitle text
      expect(find.text('Du kan göra privata alias globala.'), findsOneWidget);
    });
  });
}