import 'dart:async';
import 'dart:convert';

import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:geolocator/geolocator.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:grocery_app/src/core/network_services/service_locator.dart';
import 'package:grocery_app/src/core/routes/routes.dart';
import 'package:grocery_app/src/data/ProductCategoryModel.dart';
import 'package:grocery_app/src/data/allProduct_model.dart';

import 'package:grocery_app/src/data/banners.dart';
import 'package:grocery_app/src/data/best_dealProduct.dart';
import 'package:grocery_app/src/data/product_category.dart';
import 'package:grocery_app/src/data/product_details.dart';
import 'package:grocery_app/src/data/wish_list_model.dart';
import 'package:grocery_app/src/logic/repo/product_repo.dart';
import 'package:grocery_app/utils/constants/shared_pref_utils.dart';
import 'package:grocery_app/utils/extensions/extensions.dart';

import 'package:http/http.dart' as http;


class ProductProvider extends ChangeNotifier {
  final _homeRepo = getIt<ProductRepo>();

  String searchValue = '';

  bool isLoadingg = false;

  List<Product> products = [];

  int page = 1;
  final int limit = 8;

  bool hasMore = true;

  bool iscroll = true;

  Future<void> gettAllProduct(BuildContext context, String id, bool status,
      String search, bool first) async {
    print("kdjfhgkfkjdghkjkdfg");
    // if (isLoadingg || !hasMore) return;

    if (first) {
      products.clear();
      notifyListeners();
    }
    if (id.isNotEmpty) {
      products.clear();

      hasMore = true;
    }

    if (status) {
      isLoadingg = true;
    }
    ;

    notifyListeners();
    var data = {
      "page": page,
      "limit": limit,
      "minPrice": "",
      "minPrice": "",
      "search": search
    };
    var result = await _homeRepo.getAllProduct(data, context, id);
    return result.fold(
      (error) {
        isLoadingg = false;
        notifyListeners();
      },
      (response) {
        // products = response.data!;
        // page++;
        // print(
        //     "jksdhfgkjdfkhjghkjdfhgkjdf    ${response.data}   ${response.data!.isNotEmpty}");
        // if (response.data != null && response.data!.isNotEmpty) {
        //   products.addAll(response.data!);
        //   // products = response.data!;
        //   page++;
        // } else {
        //   hasMore = false;
        // }

        print("jdksgfkgkbfgh  ${response}");

        if (response.data != null && response.data!.isNotEmpty) {
          if (id.isNotEmpty) {
            products = response.data!;
          } else {
            products.addAll(response.data!);
          }
          page++;

          if (response.data!.length < limit) {
            hasMore = false;
          }
        } else {
          hasMore = false;
        }

        isLoadingg = false;
        notifyListeners();
      },
    );
  }


    Future<bool> updateDeviceToken(BuildContext context) async {
    var fcm = await FirebaseMessaging.instance.getToken();
    var data = {"deviceToken": fcm, "deviceTpe": "android"};

    print("fcm token  ${"hjsdgffghhhh  ${data}"}");

    var result = await _homeRepo.updateDeviceToken(data, context);
    return result.fold(
      (error) {
      
        return true;
      },
      (response) {
        print("token update success");
        return true;
      },
    );
  }

  bool isHomeLoadingg = false;

  List<Product> homeproducts = [];

  Future<void> getHomeProduct(BuildContext context, String id, String search,
      String minPrice, String maxprice, orderby) async {
    isHomeLoadingg = true;

    notifyListeners();
    var data;

    if (maxprice.isNotEmpty) {
      data = {
        "minPrice": "${minPrice}",
        "maxPrice": maxprice,
        "search": search,
        "sortBy": orderby
      };
    } else {
      data = {"minPrice": "${minPrice}", "search": search, "sortBy": orderby};
    }
    var result = await _homeRepo.getAllProduct(data, context, id);

    return result.fold(
      (error) {
        isLoadingg = false;
        notifyListeners();
      },
      (response) {
        homeproducts = response.data!;

        isHomeLoadingg = false;
        notifyListeners();
      },
    );
  }

  ProductDetailsData productDetails = ProductDetailsData();
  bool isProductLoading = true;

  Future<void> getProduuctDetails(
      BuildContext context, String id, int quantity, String price) async {
    var data = {};
    productDetails = ProductDetailsData();
    isProductLoading = true;
    quantitys = quantity;
    _totalPrice = quantity * (double.parse(price));
    notifyListeners();

    var result = await _homeRepo.getProductDetails(data, context, id);
    return result.fold(
      (error) {
        isProductLoading = false;
        notifyListeners();
      },
      (response) {
        productDetails = response!;
        isProductLoading = false;
        notifyListeners();
      },
    );
  }

  List<BestDeal> bestdeal = [];

  bool isBestdealingloading = true;

  Future<void> getBestDealProduct(BuildContext context, String search) async {
    isBestdealingloading = true;
    notifyListeners();
    var data = {"minPrice": "", "minPrice": "", "search": search};
    var result = await _homeRepo.getBestDealProduct(data, context);
    return result.fold(
      (error) {
        isBestdealingloading = false;
        notifyListeners();
      },
      (response) {
        bestdeal = response.data!;
        isBestdealingloading = false;
        notifyListeners();
      },
    );
  }

  List<DatumCategory> categoryList = [];

  bool iscategroyloading = true;
  Future<void> getAllcategory(BuildContext context) async {
    var data = {};

    var result = await _homeRepo.getAllcategory(data, context);
    return result.fold(
      (error) {
        print("djhgfjdfhjg  ${error}");
        iscategroyloading = false;
        notifyListeners();
      },
      (response) {
        print("jdshfjghdhfjhgjd");

        categoryList = response.data!;
        iscategroyloading = false;
        notifyListeners();
      },
    );
  }

  Future<void> getSubcategory(BuildContext context, String? id) async {
    var data = {"parentId": id};

    print("kdjhgkjfkjgkj   ${id}");

    var result = await _homeRepo.getSubcategory(data, context);
    return result.fold(
      (error) {
        print("djhgfjdfhjg  ${error}");
        iscategroyloading = false;
        notifyListeners();
      },
      (response) {
        print("dsfdgdfgfhfghjghjghjghjhkghj");
        categoryList = response!;
        iscategroyloading = false;
        notifyListeners();
      },
    );
  }

  List<ProductCategoryModel> categoriesss = [];

  ProductCategoryModel? selectedCategory;

  Future<void> getCategoryByLevel() async {
    categoriesss.clear();

    final result = await _homeRepo.getCategoryByLevel({});

    result.fold(
      (error) {
        print("Error fetching categories: $error");
        notifyListeners();
      },
      (categoryList) {
        if (categoryList.isNotEmpty) {
          final categories = [ProductCategoryModel(id: "all", name: "ALL")];
          categories.addAll(categoryList.cast<ProductCategoryModel>());

          categoriesss = categories;
        } else {
          print("No categories found.");
        }
        notifyListeners(); // Notify UI after update
      },
    );
  }

  void setSelectedCategory(ProductCategoryModel category) {
    selectedCategory = category;
    notifyListeners();
  }

  //similarProduct

  List<BannerData> banner = [];
  bool isBannerLoading = true;

  Future<void> getBanners(BuildContext context) async {
    var data = {};

    var result = await _homeRepo.getBanners(data, context);
    return result.fold(
      (error) {
        isBannerLoading = false;
        notifyListeners();
      },
      (response) {
        banner = response.data!;
        isBannerLoading = false;
        notifyListeners();
      },
    );
  }

  Future<bool> customerLogOut(BuildContext context) async {
    context.showLoader(show: true);

    var data = {};

    try {
      var result = await _homeRepo.customerLogOut(data);

      context.showLoader(show: false);

      return result.fold(
        (error) {
          // Show error Snackbar
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              content: Text(error.message),
              backgroundColor: Colors.red,
            ),
          );
          return false; // Login failed
        },
        (response) async {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              content: Text("Store created successful!"),
              backgroundColor: Colors.green,
            ),
          );
          await SharedPrefUtils.clear();
          context.clearAndPush(routePath: MyRoutes.SIGNUP);

          return true;
        },
      );
    } catch (e) {
      context.showLoader(show: false);
      print("Unexpected error: $e");

      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          content: Text("Something went wrong. Please try again."),
          backgroundColor: Colors.red,
        ),
      );
      return false;
    }
  }

  int _activeIndex = 0;

  int get activeIndex => _activeIndex;

  void setActiveIndex(int index) {
    _activeIndex = index;
    notifyListeners();
  }

  // Mock API call
  Future<bool> addToWish(BuildContext context, String productId) async {
    var data = {
      "productId": productId,
    };

    try {
      var result = await _homeRepo.addToWish(data);

      return result.fold(
        (error) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              content: Text(error.message),
              backgroundColor: Colors.red,
            ),
          );
          return false;
        },
        (response) {
          iswishloading = false;
          Fluttertoast.showToast(
            msg: "Wishlist updated successfully!",
            toastLength: Toast.LENGTH_SHORT,
            gravity: ToastGravity.BOTTOM,
            backgroundColor: Colors.green,
            textColor: Colors.white,
            fontSize: 14.0,
          );

          return true;
        },
      );
    } catch (e) {
      return false;
    }
  }

  Set<String> wishlist = {};

  bool iswishloading = false;

  Future<void> toggleWishlist(BuildContext context, String productId) async {
    iswishloading = true;
    notifyListeners();
    try {
      if (wishlist.contains(productId)) {
        wishlist.remove(productId);
        iswishloading = false;
      } else {
        var result = await addToWish(context, productId);

        wishlist.add(productId);
      }
      iswishloading = false;
      notifyListeners();
    } catch (e) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          content: Text("Something went wrong. Please try again."),
          backgroundColor: Colors.red,
        ),
      );
    }
  }

  // void toggleWishlist1(String productId)
  // {
  //   for (var product in products) {
  //     if (product.id == productId) {
  //       product.isInWishlist = !product.isInWishlist; // Toggle value
  //       notifyListeners(); // Refresh UI
  //       break;
  //     }
  //   }
  // }

  // Future<bool> addToCart(BuildContext context, String productId) async
  // {
  //   //context.showLoader(show: true);

  //   var data =
  //   {
  //     "productId": productId, "quantity": 1};

  //   try {
  //     var result = await _homeRepo.addToCart(data);

  //     return result.fold(
  //       (error) {
  //         ScaffoldMessenger.of(context).showSnackBar(
  //           SnackBar(
  //             content: Text(error.message),
  //             backgroundColor: Colors.red,
  //           ),
  //         );
  //         return false;
  //       },
  //       (response) {
  //         Fluttertoast.showToast(
  //           msg: "Wishlist updated successfully!",
  //           toastLength: Toast.LENGTH_SHORT,
  //           gravity: ToastGravity.BOTTOM,
  //           backgroundColor: Colors.green,
  //           textColor: Colors.white,
  //           fontSize: 14.0,
  //         );

  //         return true;
  //       },
  //     );
  //   } catch (e) {
  //     return false;
  //   }
  // }

  Set<String> cartItems = {};
  Map<String, bool> isLoading = {};

  bool isLoadingCart = false;
  bool iscardAdded = false;

  Future<void> addToCart(
      BuildContext context, String productId, int quantity) async {
    //if (cartItems.contains(productId)) return; // Prevent duplicate additions
    isLoadingCart = true;
    isLoading[productId] = true;
    notifyListeners(); // Notify UI to show loading indicator

    var data = {"productId": productId, "quantity": quantity};

    try {
      var result = await _homeRepo.addToCart(data);

      result.fold(
        (error) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              content: Text(error.message),
              backgroundColor: Colors.red,
            ),
          );
        },
        (response) {
          cartItems.add(productId); // Add product to cart
          Fluttertoast.showToast(
            msg: "Added to cart successfully!",
            toastLength: Toast.LENGTH_SHORT,
            gravity: ToastGravity.BOTTOM,
            backgroundColor: Colors.green,
            textColor: Colors.white,
            fontSize: 14.0,
          );
          iscardAdded = true;
          notifyListeners(); // Update UI after adding to cart
        },
      );
    } catch (e) {
      Fluttertoast.showToast(
        msg: "Insufficient stock!",
        toastLength: Toast.LENGTH_SHORT,
        gravity: ToastGravity.CENTER,
        backgroundColor: Colors.red,
        textColor: Colors.white,
        fontSize: 14.0,
      );
    } finally {
      isLoadingCart = false;
      isLoading[productId] = false;
      notifyListeners(); // Ensure UI updates after operation
    }
  }

  List<BestDeal> countList = [];
  String lastImageurl = '';

  Future<void> addToWithCart(BuildContext context, String productId,
      BestDeal bestdealproduct, url) async {
    isLoading[productId] = true;
    notifyListeners();

    var data = {"productId": productId, "quantity": 1};

    try {
      var result = await _homeRepo.addToCart(data);

      result.fold(
        (error) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              content: Text(error.message),
              backgroundColor: Colors.red,
            ),
          );
        },
        (response) {
          countList.add(bestdealproduct);
          lastImageurl = url;
          cartItems.add(productId); // Add product to cart
          Fluttertoast.showToast(
            msg: "Added to cart successfully!",
            toastLength: Toast.LENGTH_SHORT,
            gravity: ToastGravity.BOTTOM,
            backgroundColor: Colors.green,
            textColor: Colors.white,
            fontSize: 14.0,
          );
          notifyListeners(); // Update UI after adding to cart
        },
      );
    } catch (e) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          content: Text("Product already added"),
          backgroundColor: Colors.red,
        ),
      );
    } finally {
      isLoading[productId] = false;
      notifyListeners(); // Ensure UI updates after operation
    }
  }

  List<ProductDatum> productDatum = [];
  String productDatumlastImageurl = '';

  Future<void> addToCartWithWishlist(BuildContext context, String productId,
      ProductDatum productdataum, url) async {
    isLoading[productId] = true;
    notifyListeners();

    var data = {"productId": productId, "quantity": 1};

    try {
      var result = await _homeRepo.addToCart(data);

      result.fold(
        (error) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              content: Text(error.message),
              backgroundColor: Colors.red,
            ),
          );
        },
        (response) {
          productDatum.add(productdataum);
          productDatumlastImageurl = url;
          cartItems.add(productId); // Add product to cart
          Fluttertoast.showToast(
            msg: "Added to cart successfully!",
            toastLength: Toast.LENGTH_SHORT,
            gravity: ToastGravity.BOTTOM,
            backgroundColor: Colors.green,
            textColor: Colors.white,
            fontSize: 14.0,
          );
          notifyListeners(); // Update UI after adding to cart
        },
      );
    } catch (e) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(
          content: Text("Something went wrong"),
          backgroundColor: Colors.red,
        ),
      );
    } finally {
      isLoading[productId] = false;
      notifyListeners(); // Ensure UI updates after operation
    }
  }

  bool isWishListItemLoadingg = true;

  List<WishListItem> wishListItem = [];

  int totalItems = 0;

  Future<void> gettAllWishList(BuildContext context) async {
    var data = {};

    try {
      var result = await _homeRepo.gettAllWishList(data);

      return result.fold(
        (error) {
          print("sdfgdfgfdggf");
          isWishListItemLoadingg = false;
          notifyListeners();
        },
        (response) {
          print("lsjfdgjsdfsdfgkdfkgkjkf");
          wishListItem = response.items!;
          totalItems = response.totalItems;
          isWishListItemLoadingg = false;
          notifyListeners();
        },
      );
    } catch (e) {
      isWishListItemLoadingg = false;
      notifyListeners();
      print("jdsgkdfkghk");
    }
  }
////////////////////////////// product increase ////////////////////////////////////

  int quantitys = 1;
  double _unitPrice = 0.0;
  double _totalPrice = 0.0;

  int get quantity => quantitys;
  double get totalPrice => _totalPrice;

  void setProductPrice(double price) {
    _unitPrice = price;
    _totalPrice = _unitPrice * quantitys;
    notifyListeners();
  }

  int productQuantity = 0;

  // void increaseQuantity()
  // {
  //   if(quantity<10)
  //   if (_quantity < 10)
  //    {
  //     // Limit to 10
  //     _quantity++;
  //     _totalPrice = _unitPrice * _quantity;
  //     notifyListeners();
  //   }
  //   {
  //      Fluttertoast.showToast(
  //           msg: "Sorry cart successfully!",
  //           toastLength: Toast.LENGTH_SHORT,
  //           gravity: ToastGravity.BOTTOM,
  //           backgroundColor: Colors.green,
  //           textColor: Colors.white,
  //           fontSize: 14.0,
  //         );

  //   }
  // }

  void increaseQuantity() {
    int maxAllowed = productQuantity >= 100
        ? 10
        : productQuantity; // Max limit based on stock

    if (quantitys < maxAllowed) {
      quantitys++;
      _totalPrice = _unitPrice * quantitys;
      notifyListeners();
    } else {
      Fluttertoast.showToast(
        msg: "Sorry, you can only add up to $maxAllowed items!",
        toastLength: Toast.LENGTH_SHORT,
        gravity: ToastGravity.BOTTOM,
        backgroundColor: Colors.red,
        textColor: Colors.white,
        fontSize: 14.0,
      );
    }
  }

  void decreaseQuantity() {
    if (quantitys > 1) {
      quantitys--;
      _totalPrice = _unitPrice * quantitys;
      notifyListeners();
    }
  }

  //////////////////////////////////////////////////////////////similar product//////////////////////

  List<Product> similarProductlist = [];

  Future<void> similarProductprovider(BuildContext context, String id) async {
    var data = {};

    var result = await _homeRepo.similarProduct(data, context, id);
    return result.fold(
      (error) {
        //  isLoadingg = false;
        notifyListeners();
      },
      (response) {
        print("jkshdfkhdjkfkjdfkgkjdfjgk  ${response}");

        similarProductlist = response! as List<Product>;
        // isLoadingg = false;
        notifyListeners();
      },
    );
  }

  ///////////////////////////////////////////////////// all filter ////////////////////////

  int _selectedIndex = 0;

  int get selectedIndex => _selectedIndex;

  void setSelectedIndex(BuildContext context, int index) {
    _selectedIndex = index;
    notifyListeners();
  }

  Future<void> determinePosition() async {
    bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
    if (!serviceEnabled) {
      return;
    }

    LocationPermission permission = await Geolocator.requestPermission();
    if (permission == LocationPermission.denied) {
      return;
    }

    Position position = await Geolocator.getCurrentPosition(
      desiredAccuracy: LocationAccuracy.high,
    );
    LatLng currentLatLng = LatLng(position.latitude, position.longitude);

    _getAddressFromLatLng(position.latitude, position.longitude);
  }

  String googleApiKey = "AIzaSyAi3_Dls63iGs7Nccgdm-4FkS0rhT03-4U";

  String getCurrentAdd = '';

  Future<void> _getAddressFromLatLng(double lat, double lng) async {
    final String url =
        "https://maps.googleapis.com/maps/api/geocode/json?latlng=$lat,$lng&key=$googleApiKey";

    try {
      final response = await http.get(Uri.parse(url));
      if (response.statusCode == 200) {
        final data = json.decode(response.body);
        if (data["status"] == "OK") {
          var result = data["results"][0]; // First result is most accurate

          // _RoadController.text = result["formatted_address"];
          List components = result["address_components"];

          String roadName = "";
          String colony = "";
          String buildingName = "";
          String pincode = "";

          for (var component in components) {
            List types = component["types"];
            if (types.contains("route")) {
              roadName = component["long_name"]; // Road Name
            } else if (types.contains("sublocality_level_1") ||
                types.contains("locality")) {
              colony = component["long_name"]; // Colony Name
            } else if (types.contains("premise") ||
                types.contains("street_number")) {
              buildingName = component["long_name"]; // Building Name
            } else if (types.contains("postal_code")) {
              pincode = component["long_name"]; // Extract Pin Code
            }
          }

          // setState(() {
          //   //  _address = formattedAddress;
          //   _roadName = roadName;
          //   _colony = colony;
          //   _buildingName = buildingName;
          // });

          getCurrentAdd = result["formatted_address"] + pincode;
          notifyListeners();

          print(
              "Full Address: ${result["formatted_address"]}    ${response.body}  sdfsgd  ${pincode}");
          print("Road Name: $roadName");
          print("Colony: $colony");
          print("Building Name: $buildingName");
        } else {}
      } else {}
    } catch (e) {
      print("Error fetching address: $e");
    }
  }

  List<Product> _suggestions = [];
  Timer? _debounce;

  List<Product> get suggestions => _suggestions;

  /// Debounced Search API Call
  void searchProducts(String query, BuildContext context) {
    if (_debounce?.isActive ?? false) _debounce!.cancel();

    _debounce = Timer(const Duration(milliseconds: 500), () async {
      if (query.isNotEmpty) {
        _fetchSuggestions(query, context);
      } else {
        _suggestions.clear();
        notifyListeners();
      }
    });
  }

  /// Simulated API Call (Replace with real API)
  Future<void> _fetchSuggestions(String query, context) async {
    _suggestions.clear();
    notifyListeners();
    var data = {
      "search": query,
      "page": 1,
      "limit": 10,
    };

    var result = await _homeRepo.getAllProduct(data, context, '');

    return result.fold(
      (error) {
        notifyListeners();
      },
      (response) {
        print("lkdfjglkfdglkh  ${response.data}");
        _suggestions.addAll(response.data as Iterable<Product>);

        notifyListeners();
      },
    );
  }

  void clearSuggestions() {
    _suggestions.clear();
    notifyListeners();
  }
}