import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';

import '../../../config/environment.dart';
import '../../../customAppBar/toastHelper.dart';

import '../../service/TokenService.dart';

import 'package:nhance_app_pwa/logger.dart';

class ApiService {
  final BuildContext context;
  String? _token;
  bool _isSessionOutToastShown = false; // Flag to track toast message

  ApiService(this.context) {
    _initializeToken();
  }

  Future<void> _initializeToken() async {
    _token = await TokenService.getPreToken();
  }

  Future<Map<String, dynamic>> getClientLogoAndDetailsToApi(empClientId,empClientBranchId,
      String clientId, String branchID) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    // final SharedPreferences prefs = await SharedPreferences.getInstance();
    // final empClientId = await prefs.getString('empClientId');
    // final empClientBranchId = await prefs.getString('empClientBranchId');
    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}getClientDetails?post_client_id=$empClientId&post_branch_id=$empClientBranchId&pre_client_id=$clientId&pre_branch_id=$branchID');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> getSelfEmployeeProfileToApi(
      String clientId, String empCode, String branchID) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}getEmployeeProfile?emp_code=$empCode&client_id=$clientId&client_branch_id=$branchID');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> fetchRelationshipListToApi() async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url = Uri.parse('${Environment.apiUrlEnrollment}relationshipList');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> getGpaEmpPolicyDetailsToApi(String empPrimaryId,
      String empCode, String clientId, String policy, String branchID) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}getEmployeePolicy?id=$empPrimaryId&emp_code=$empCode&client_id=$clientId&policy=$policy&client_branch_id=$branchID');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> getGmcEmpPolicyDetailsToApi(String empPrimaryId,
      String empCode, String clientId, String policy, String branchID) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}getEmployeePolicy?id=$empPrimaryId&emp_code=$empCode&client_id=$clientId&policy=$policy&client_branch_id=$branchID');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> getGmcSiTopUpToApi(
      String client_id, String emp_code, String policy, String branchID) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}getAddOnPolicy?client_id=$client_id&emp_code=$emp_code&policy=$policy&client_branch_id=$branchID');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> getGmcSiParentTopUpToApi(
      String client_id, String emp_code, String policy, String branchID) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}getAddOnPolicy?client_id=$client_id&emp_code=$emp_code&policy=$policy&client_branch_id=$branchID');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> getGmcDependentAddOnsToApi(
      String client_id, String emp_code, String policy, String branchID) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}getAddOnPolicy?client_id=$client_id&emp_code=$emp_code&policy=$policy&client_branch_id=$branchID');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> removeAddonsGmcDependentToAPI(
      String empCodeString, String addOnsDependentClientPolicyId) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}removeEmpAndEmpPolicyData?emp_code=$empCodeString&client_policy_id=$addOnsDependentClientPolicyId');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> removeAddonsGmcSiToAPI(
      String empCodeString, String topUpClientPolicyId) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}removeEmpAndEmpPolicyData?emp_code=$empCodeString&client_policy_id=$topUpClientPolicyId');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> removeAddonsGmcParentSiToAPI(
      String empCodeString, String topUpParentClientPolicyId) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}removeEmpAndEmpPolicyData?emp_code=$empCodeString&client_policy_id=$topUpParentClientPolicyId');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> deleteItemToApi(id,copyStatus,gmcClientPolicyId) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url =
        Uri.parse('${Environment.apiUrlEnrollment}deleteDependence?id=$id&is_from_copy=$copyStatus&client_policy_id=$gmcClientPolicyId');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> copyActivePolicy(enrollmentClient_id,enrollmentEmpCodeString,newClientPolicy) async {
    logDebug(_token);
    if (_token == null) {
      await _initializeToken();
    }
    final url =
        Uri.parse('${Environment.apiUrlEnrollment}copyActiveEmployeeAndDependentDetails?client_id=$enrollmentClient_id&emp_code=$enrollmentEmpCodeString&new_client_policy_id=$newClientPolicy');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
    };
    final response = await _makeGetRequest(url, headers);
    return response;
  }

  Future<Map<String, dynamic>> saveFamilyMemberDetailsToApi(
      List<Map<String, dynamic>> formDataList) async {
    logDebug('saveFamilyMemberDetailsToApi API SERVICE');
    if (_token == null) {
      await _initializeToken();
    }

    final url =
        Uri.parse('${Environment.apiUrlEnrollment}addEmployeeAndDependence');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
      'Content-Type': 'application/json', // Ensure content type is JSON
    };

    // Convert formDataList to JSON string
    final formDataJson = jsonEncode(formDataList);

    // Send formDataJson as the body
    final response = await _makePostRequest(url, formDataJson, headers);
    return response;
  }

  Future<Map<String, dynamic>> saveAddOnsDetailsToApi(
      List<Map<String, dynamic>> formDataList) async {
    logDebug('saveAddOnsDetailsToApi API SERVICE');
    if (_token == null) {
      await _initializeToken();
    }

    final url =
        Uri.parse('${Environment.apiUrlEnrollment}addEmployeeAndDependence');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
      'Content-Type': 'application/json', // Ensure content type is JSON
    };

    // Convert formDataList to JSON string
    final formDataJson = jsonEncode(formDataList);

    // Send formDataJson as the body
    final response = await _makePostRequest(url, formDataJson, headers);
    return response;
  }

  Future<Map<String, dynamic>> sendAddonsGmcDependentToAPI(
      List<Map<String, dynamic>> formDataList) async {
    logDebug('saveAddOnsDetailsToApi API SERVICE');
    if (_token == null) {
      await _initializeToken();
    }

    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}createOrUpdateEmployeePolicySiAmount');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
      'Content-Type': 'application/json', // Ensure content type is JSON
    };

    // Convert formDataList to JSON string
    final formDataJson = jsonEncode(formDataList);

    // Send formDataJson as the body
    final response = await _makePostRequest(url, formDataJson, headers);
    return response;
  }

  Future<Map<String, dynamic>> sendAddonsGmcSiToAPI(
      List<Map<String, dynamic>> formDataList) async {
    logDebug('saveAddOnsDetailsToApi API SERVICE');
    if (_token == null) {
      await _initializeToken();
    }

    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}createOrUpdateEmployeePolicySiAmount');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
      'Content-Type': 'application/json', // Ensure content type is JSON
    };

    // Convert formDataList to JSON string
    final formDataJson = jsonEncode(formDataList);

    // Send formDataJson as the body
    final response = await _makePostRequest(url, formDataJson, headers);
    return response;
  }

  Future<Map<String, dynamic>> sendAddonsGmcParentSiToAPI(
      List<Map<String, dynamic>> formDataList) async {
    logDebug('saveAddOnsDetailsToApi API SERVICE');
    if (_token == null) {
      await _initializeToken();
    }

    final url = Uri.parse(
        '${Environment.apiUrlEnrollment}createOrUpdateEmployeePolicySiAmount');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
      'Content-Type': 'application/json', // Ensure content type is JSON
    };

    // Convert formDataList to JSON string
    final formDataJson = jsonEncode(formDataList);

    // Send formDataJson as the body
    final response = await _makePostRequest(url, formDataJson, headers);
    return response;
  }

  Future<Map<String, dynamic>> sendAddOnToAPI(
      Map<String, dynamic> formData) async {
    logDebug('sendAddOnToAPI API SERVICE');
    if (_token == null) {
      await _initializeToken();
    }

    final url = Uri.parse('${Environment.apiUrlEnrollment}iAgreeForAddOn');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
      'Content-Type': 'application/json', // Ensure content type is JSON
    };

    // Convert formDataList to JSON string
    final formDataJson = jsonEncode(formData);

    // Send formDataJson as the body
    final response = await _makePostRequest(url, formDataJson, headers);
    return response;
  }

  Future<Map<String, dynamic>> topUpSiCalculationToAPI(formDataList) async {
    logDebug('saveAddOnsDetailsToApi API SERVICE');
    if (_token == null) {
      await _initializeToken();
    }

    final url = Uri.parse('${Environment.apiUrlEnrollment}calculatePremium');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
      'Content-Type': 'application/json', // Ensure content type is JSON
    };

    // Convert formDataList to JSON string
    final formDataJson = jsonEncode(formDataList);
    // Send formDataJson as the body
    final response = await _makePostRequest(url, formDataJson, headers);
    return response;
  }

  Future<Map<String, dynamic>> topUpParentSiCalculationToAPI(
      formDataList) async {
    logDebug('saveAddOnsDetailsToApi API SERVICE');
    if (_token == null) {
      await _initializeToken();
    }

    final url = Uri.parse('${Environment.apiUrlEnrollment}calculatePremium');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
      'Content-Type': 'application/json', // Ensure content type is JSON
    };

    // Convert formDataList to JSON string
    final formDataJson = jsonEncode(formDataList);

    // Send formDataJson as the body
    final response = await _makePostRequest(url, formDataJson, headers);
    return response;
  }

  Future<Map<String, dynamic>> addOnsDependentCalculationToAPI(
      formDataList) async {
    logDebug('saveAddOnsDetailsToApi API SERVICE');
    if (_token == null) {
      await _initializeToken();
    }

    final url = Uri.parse('${Environment.apiUrlEnrollment}calculatePremium');
    final headers = {
      'Authorization': 'Bearer $_token' ?? '',
      'Content-Type': 'application/json', // Ensure content type is JSON
    };

    // Convert formDataList to JSON string
    final formDataJson = jsonEncode(formDataList);

    // Send formDataJson as the body
    final response = await _makePostRequest(url, formDataJson, headers);
    return response;
  }

  //HR API STARTS

  // Future<Map<String, dynamic>> getCashDepositDetailsToApi(
  //     String clintID, String empRefId) async {
  //   logDebug(_hrtoken);
  //   if (_hrtoken == null) {
  //     await _initializeToken();
  //   }
  //   final url = Uri.parse(
  //       '${Environment.apiUrlEnrollment}getCashDepositData?client_id=$clintID&client_branch_id=$empRefId');
  //   final headers = {
  //     'Authorization': 'Bearer $_hrtoken' ?? '',
  //   };
  //   final response = await _makeGetRequest(url, headers);
  //   return response;
  // }
  //
  // Future<Map<String, dynamic>> getEmployeeAndDependenceToApi(
  //     String clintID, String getPolicyNo, String empRefId) async {
  //   logDebug(_hrtoken);
  //   if (_hrtoken == null) {
  //     await _initializeToken();
  //   }
  //   final url = Uri.parse(
  //       '${Environment.apiUrlEnrollment}getEmployeeAndDependenceByClientId?client_id=$clintID&client_policy_id=$getPolicyNo&client_branch_id=$empRefId');
  //   final headers = {
  //     'Authorization': 'Bearer $_hrtoken' ?? '',
  //   };
  //   final response = await _makeGetRequest(url, headers);
  //   return response;
  // }

  // Future<Map<String, dynamic>> getTrackClaimsList(
  //     String empMobileNo, String empCode) async {
  //   final url = Uri.parse(
  //       '${Environment.apiUrlTicket}/ticket/get_ticket_data?emp_code=$empCode&mobile_number=$empMobileNo');
  //   final response = await _makeGetRequest(url, {
  //     'Token': Environment.ticketToken,
  //   });
  //   return response;
  // }
  //
  // Future<Map<String, dynamic>> fetchDepartmentList() async {
  //   final url = Uri.parse('${Environment.apiUrlTicket}/departments');
  //   final response = await _makeGetRequest(url, {
  //     'Token': Environment.ticketToken,
  //   });
  //   return response;
  // }
  //
  // Future<Map<String, dynamic>> sendFormDataToApi(
  //     Map<String, dynamic> formData) async {
  //   final url = Uri.parse('${Environment.apiUrlTicket}/tickets/create');
  //   // Convert formData to Map<String, String>
  //   Map<String, String> stringFormData =
  //       formData.map((key, value) => MapEntry(key, value.toString()));
  //   final response = await _makePostRequest(url, stringFormData, {
  //     'Content-Type': 'application/x-www-form-urlencoded',
  //     'Token': Environment.ticketToken,
  //   });
  //   return response;
  // }
  //
  // Future<Map<String, dynamic>> sendClaimsMessageToApi(
  //     Map<String, dynamic> formData) async {
  //   final url = Uri.parse('${Environment.apiUrlTicket}/messages/create');
  //   // Convert formData to Map<String, String>
  //   Map<String, String> stringFormData =
  //       formData.map((key, value) => MapEntry(key, value.toString()));
  //   final response = await _makePostRequest(url, stringFormData, {
  //     'Content-Type': 'application/x-www-form-urlencoded',
  //     'Token': Environment.ticketToken,
  //   });
  //   return response;
  // }

  Future<Map<String, dynamic>> _makeGetRequest(
      Uri url, Map<String, String> headers) async {
    // Add global APP_SIGNATURE header
    headers['APP-SIGNATURE'] = 'nhance-2025-signature-T8f6gV9k5fK2wf5V5c4vId3b0J8z6cAm2x8Y';
    final response = await http.get(url, headers: headers);
    return _handleResponse(response);
  }

  Future<Map<String, dynamic>> _makePostRequest(
      Uri url, String body, Map<String, String> headers) async {
    // Add global APP_SIGNATURE header
    headers['APP-SIGNATURE'] = 'nhance-2025-signature-T8f6gV9k5fK2wf5V5c4vId3b0J8z6cAm2x8Y';
    final response = await http.post(url, headers: headers, body: body);
    return _handleResponse(response);
  }

  Future<Map<String, dynamic>> _handleResponse(http.Response response) async {
    if (response.statusCode == 200) {
      return jsonDecode(response.body);
    } else if (response.statusCode == 401) {
      await _clearLocalStorageAndRedirect();
      return {};
    } else if (response.statusCode == 403) {
      await _clearLocalStorageAndRedirect();
      return {};
    } else if (response.statusCode == 451) {
      final body = jsonDecode(response.body);
      final message = body['message'];
      ToastHelper.showWarningToast(context, message);
      return {};
    } else if (response.statusCode == 429) {
      final body = jsonDecode(response.body);
      final message = body['message'];
      ToastHelper.showWarningToast(context, message);
      return {};
    } else {
      throw Exception('Failed to load data');
    }
  }

  Future<void> _clearLocalStorageAndRedirect() async {
    if (!context.mounted) return;
    await TokenService().logout(context);
  }
}