import 'dart:convert';
import 'package:cheminova/constants/constant.dart';
import 'package:cheminova/screens/data_submit_successfull.dart';
import 'package:cheminova/services/api_client.dart';
import 'package:cheminova/services/api_urls.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import '../models/products_response.dart';

class ProductProvider extends ChangeNotifier {
  final _apiClient = ApiClient();
  ProductResponse? productResponse;
  List<ProductModel> productList = [];
  List<ProductModel> searchList = [];

  bool _isLoading = false;

  bool get isLoading => _isLoading;

  List<ProductModel> selectedProducts = [];

  void setLoading(bool loading) {
    _isLoading = loading;
    notifyListeners();
  }

  void filterProducts(String query) {
    searchList = productList.where((product) {
      final productNameLower = product.productName.toLowerCase();
      final productSkuLower = product.sku.toLowerCase();
      final searchLower = query.toLowerCase();
      return productNameLower.contains(searchLower) ||
          productSkuLower.contains(searchLower);
    }).toList();
    notifyListeners();
  }

  Future<void> getProducts() async {
      Response response = await _apiClient.get(ApiUrls.getProducts);
      debugPrint('Response: $response');
      setLoading(false);
      if (response.statusCode == 200) {
        productResponse = ProductResponse.fromJson(response.data);
        productList = productResponse!.products!
            .map((product) =>
                ProductModel(sku: product.sKU!, productName: product.name!))
            .toList();
        notifyListeners();
      }
  }

  Future<void> submitProducts(
      {required String distributorType, required String pdRdId, String? inventoryId}) async {
    setLoading(true);
    try {
      Response response = await _apiClient.post(ApiUrls.submitProductUrl,
          data: json.encode({
            "addedFor": distributorType.replaceAll(' ', ''),
            "addedForId": pdRdId,
            "products": selectedProducts.map((e) => e.toJson()).toList()
          }));
      setLoading(false);
      if (response.statusCode == 201) {
        ScaffoldMessenger.of(
          navigatorKey.currentContext!,
        ).showSnackBar(
          SnackBar(content: Text(response.data['message'])),
        );
        if (inventoryId!=null ) {
          _apiClient.put(ApiUrls.updateTaskInventoryUrl+inventoryId,data:null).then((value) {
            debugPrint('Task Updated');
            if (value.statusCode == 200) {
              resetProducts();
              Navigator.push(
                  navigatorKey.currentContext!,
                  MaterialPageRoute(
                      builder: (context) => const DataSubmitSuccessFullScreen()));
            }
            else{
              ScaffoldMessenger.of(
                navigatorKey.currentContext!,
              ).showSnackBar(
                const SnackBar(content: Text('Task not updated')),
              );
            }
          });
        }
        else{
          resetProducts();
          Navigator.push(
              navigatorKey.currentContext!,
              MaterialPageRoute(
                  builder: (context) => const DataSubmitSuccessFullScreen()));
        }
      }
    } catch (e) {
      setLoading(false);
      debugPrint("Error: $e");
    }
  }

  void resetProducts() {
    selectedProducts.clear();
    productList.clear();
    productResponse = null;
    notifyListeners();
  }
}

class ProductModel {
  String sku;
  String productName;
  int? sale;
  int? inventory;

  ProductModel(
      {required this.sku,
      required this.productName,
      this.sale,
      this.inventory});

  factory ProductModel.fromJson(Map<String, dynamic> json) {
    return ProductModel(
        sku: json['SKU'],
        productName: json['ProductName'],
        sale: json['Sale'],
        inventory: json['Inventory']);
  }

  Map<String, dynamic> toJson() {
    return {
      'SKU': sku,
      'ProductName': productName,
      'Sale': sale,
      'Inventory': inventory
    };
  }
}