import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:mohem_flutter_app/api/api_client.dart';
import 'package:mohem_flutter_app/app_state/app_state.dart';
import 'package:mohem_flutter_app/classes/consts.dart';
import 'package:mohem_flutter_app/models/offers_and_discounts/get_categories_list.dart';
import 'package:mohem_flutter_app/models/offers_and_discounts/get_offers_list.dart';
import 'package:mohem_flutter_app/models/offers_and_discounts/wala_plus_category_model.dart';
import 'package:mohem_flutter_app/models/offers_and_discounts/wala_plus_retailer_model.dart';

class OffersAndDiscountsApiClient {
  static final OffersAndDiscountsApiClient _instance = OffersAndDiscountsApiClient._internal();

  OffersAndDiscountsApiClient._internal();

  factory OffersAndDiscountsApiClient() => _instance;

  Future<List<GetCategoriesList>> getSaleCategories() async {
    List<GetCategoriesList> getSaleCategoriesList = [];

    String url = "${ApiConsts.cocRest}Mohemm_ITG_GetCategories";
    Map<String, dynamic> postParams = {"EmployeeNumber": AppState().memberInformationList?.eMPLOYEENUMBER, "ItgPageSize": 100, "ItgPageNo": 1, "ItgIsActive": true};

    postParams.addAll(AppState().postParamsJson);
    return await ApiClient().postJsonForObject(
      (response) {
        var body = json.decode(response['Mohemm_ITG_ResponseItem']);

        GetCategoriesList getSaleCategoriesListObj = GetCategoriesList();
        getSaleCategoriesListObj.id = 0;
        getSaleCategoriesListObj.categoryNameEn = "All";
        getSaleCategoriesListObj.categoryNameAr = "الجميع";
        getSaleCategoriesListObj.isActive = true;
        getSaleCategoriesListObj.content =
            '<svg xmlns="http://www.w3.org/2000/svg" width="26.213" height="26.213" viewBox="0 0 26.213 26.213"> <g id="More_Select" data-name="More Select" transform="translate(-1 -1)"> <path id="Path_4860" data-name="Path 4860" d="M26.844,1H5.874A.874.874,0,0,0,5,1.874v.874H23.349A2.621,2.621,0,0,1,25.97,5.369V23.718h.874a.874.874,0,0,0,.874-.874V1.874A.874.874,0,0,0,26.844,1Z" transform="translate(-0.505)" fill="#2bb8a6"/> <path id="Path_4861" data-name="Path 4861" d="M22.844,5H1.874A.874.874,0,0,0,1,5.874v20.97a.874.874,0,0,0,.874.874h20.97a.874.874,0,0,0,.874-.874V5.874A.874.874,0,0,0,22.844,5ZM18.7,13.164,11.07,20.789a.874.874,0,0,1-1.236,0L6.022,16.977a.874.874,0,1,1,1.236-1.236l3.2,3.195,7.008-7.007A.874.874,0,1,1,18.7,13.165Z" transform="translate(0 -0.505)" fill="#125765"/> </g> </svg>';

        getSaleCategoriesList.add(getSaleCategoriesListObj);

        body['result']['data'].forEach((v) {
          getSaleCategoriesList.add(GetCategoriesList.fromJson(v));
        });
        return getSaleCategoriesList;
      },
      url,
      postParams,
    );
  }

  Future<List<OffersListModel>> getOffersList(int categoryID, int pageSize) async {
    List<OffersListModel> getSaleCategoriesList = [];

    String url = "${ApiConsts.cocRest}GetOfferDiscountsConfigData";
    Map<String, dynamic> postParams = {"EmployeeNumber": AppState().memberInformationList?.eMPLOYEENUMBER, "ItgPageSize": pageSize, "ItgPageNo": 1, "ItgCategoryID": categoryID};

    postParams.addAll(AppState().postParamsJson);
    return await ApiClient().postJsonForObject(
      (response) {
        var body = json.decode(response['Mohemm_ITG_ResponseItem']);

        var bodyData = body['result']['data'];

        if (bodyData != null) {
          bodyData.forEach((v) {
            getSaleCategoriesList.add(OffersListModel.fromJson(v));
          });
        }
        return getSaleCategoriesList;
      },
      url,
      postParams,
    );
  }

  Future<List<WalaPlusCategoryModel>> getWalaPlusCategories({BuildContext? context}) async {
    String url = ApiConsts.walaPlusCategories;

    String? pUserName = AppState().getUserName;
    if (pUserName == null || pUserName.isEmpty) {
      pUserName = "2537367522";
    }

    String? tokenID = AppState().postParamsObject?.tokenID;
    if (tokenID == null || tokenID.isEmpty || tokenID == "adm!n") {
      tokenID = "@dm!n";
    }

    String? logInTokenID = AppState().postParamsObject?.logInTokenID;
    if (logInTokenID == null || logInTokenID.isEmpty) {
      logInTokenID = "@dm!n";
    }

    Map<String, dynamic> postParams = {
      "VersionID": 20,
      "Channel": 31,
      "LanguageID": context != null ? AppState().getLanguageID(context) : 2,
      "LogInTokenID": logInTokenID,
      "TokenID": tokenID,
      "P_USER_NAME": pUserName,
    };

    return await ApiClient().postJsonForObject(
      (response) {
        List<WalaPlusCategoryModel> categories = [];
        if (response != null && response['WalaPlus_Categories'] != null) {
          var cats = response['WalaPlus_Categories'];
          if (cats is String) {
            cats = json.decode(cats);
          }
          if (cats is List) {
            cats.forEach((v) {
              categories.add(WalaPlusCategoryModel.fromJson(v));
            });
          }
        }
        return categories;
      },
      url,
      postParams,
    );
  }

  Future<WalaPlusRetailersResponse?> getWalaPlusRetailers({
    String? categoryId,
    int page = 1,
    int perPage = 10,
    String? geoLocation,
    BuildContext? context,
  }) async {
    String url = ApiConsts.walaPlusRetailers;

    String? pUserName = AppState().getUserName;
    if (pUserName == null || pUserName.isEmpty) {
      pUserName = "2537367522";
    }

    String? tokenID = AppState().postParamsObject?.tokenID;
    if (tokenID == null || tokenID.isEmpty) {
      tokenID = "adm!n";
    }

    String? logInTokenID = AppState().postParamsObject?.logInTokenID;
    if (logInTokenID == null || logInTokenID.isEmpty) {
      logInTokenID = "@dm!n";
    }

    Map<String, dynamic> postParams = {
      "VersionID": 20,
      "Channel": 31,
      "LanguageID": context != null ? AppState().getLanguageID(context) : 2,
      "LogInTokenID": logInTokenID,
      "TokenID": tokenID,
      "P_USER_NAME": pUserName,
      "WP_CategoryID": (categoryId == "all" || categoryId == null) ? "" : categoryId,
      "WP_Page": page,
      "WP_Per_page": perPage,
    };

    if (geoLocation != null && geoLocation.isNotEmpty) {
      postParams["WP_Geo_Location"] = geoLocation;
    }

    return await ApiClient().postJsonForObject(
      (response) {
        if (response != null && response['WalaPlus_Retailers'] != null) {
          var val = response['WalaPlus_Retailers'];
          if (val is String) {
            val = json.decode(val);
          }
          if (val is Map<String, dynamic>) {
            return WalaPlusRetailersResponse.fromJson(val);
          } else if (val is Map) {
            return WalaPlusRetailersResponse.fromJson(Map<String, dynamic>.from(val));
          }
        }
        return null;
      },
      url,
      postParams,
    );
  }

  Future<WalaPlusRetailerModel?> getWalaPlusRetailerById({
    required String retailerId,
    BuildContext? context,
  }) async {
    String url = ApiConsts.walaPlusRetailersByID;

    String? pUserName = AppState().getUserName;
    if (pUserName == null || pUserName.isEmpty) {
      pUserName = "2537367522";
    }

    String? tokenID = AppState().postParamsObject?.tokenID;
    if (tokenID == null || tokenID.isEmpty) {
      tokenID = "adm!n";
    }

    String? logInTokenID = AppState().postParamsObject?.logInTokenID;
    if (logInTokenID == null || logInTokenID.isEmpty) {
      logInTokenID = "@dm!n";
    }

    Map<String, dynamic> postParams = {
      "VersionID": 20,
      "Channel": 31,
      "LanguageID": context != null ? AppState().getLanguageID(context) : 2,
      "LogInTokenID": logInTokenID,
      "TokenID": tokenID,
      "RetailerID": retailerId,
      "P_USER_NAME": pUserName,
    };

    return await ApiClient().postJsonForObject(
      (response) {
        if (response != null && response['WalaPlus_RetailersByID'] != null) {
          var val = response['WalaPlus_RetailersByID'];
          if (val is String) {
            val = json.decode(val);
          }
          if (val is List && val.isNotEmpty) {
            var item = val.first;
            if (item is Map<String, dynamic>) {
              return WalaPlusRetailerModel.fromJson(item);
            } else if (item is Map) {
              return WalaPlusRetailerModel.fromJson(Map<String, dynamic>.from(item));
            }
          }
        }
        return null;
      },
      url,
      postParams,
    );
  }
}