import 'package:flutter/foundation.dart';
import '../postEnrollment/service/api_service.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:nhance_app_pwa/logger.dart';

class DataManager extends ChangeNotifier {
  static final DataManager _instance = DataManager._internal();
  factory DataManager() => _instance;
  DataManager._internal();

  late ApiService _apiService;

  // === Advertisement ===
  List<String> _advertisementImages = [];
  bool _adsLoaded = false;

  // === Policies ===
  List<dynamic> _policyList = [];
  bool _policyLoaded = false;
  String? _empName;
  int _prePolicyCount = 0;

  // === Self Employee Profile ===
  Map<String, dynamic>? _selfProfile;
  Map<String, dynamic>? _accountManagerDetails;
  bool _selfProfileLoaded = false;

  // Getters
  List<String> get advertisementImages => _advertisementImages;
  bool get adsLoaded => _adsLoaded;

  List<dynamic> get policyList => _policyList;
  bool get policyLoaded => _policyLoaded;
  String? get empName => _empName;
  int get prePolicyCount => _prePolicyCount;

  Map<String, dynamic>? get selfProfile => _selfProfile;
  Map<String, dynamic>? get accountManagerDetails => _accountManagerDetails;
  bool get selfProfileLoaded => _selfProfileLoaded;

  /// Inject ApiService (with context) once
  void init(ApiService apiService) {
    _apiService = apiService;
  }

  /// Load Ads once
  Future<void> loadAdvertisementImages() async {
    if (_adsLoaded) return;

    final response = await _apiService.getAdvertisementImageToApi('');
    if (response['status'] == 'success') {
      _advertisementImages = await List<String>.from(response['data']);
      _adsLoaded = true;
      notifyListeners();
      logDebug("✅ Advertisement images loaded: $_advertisementImages");
    }
  }

  /// Load Policies (first time or refresh)
  Future<void> loadPolicies({
    required String? clientId,
    required String? empCode,
    required String status,
    required String? clientBranchId,
    required String? mobileNo,
    bool forceRefresh = false,
  }) async {
    if (clientId == null || empCode == null) return; // guard clause

    final response = await _apiService.getActiveAndInactivePolicyDetails(
      clientId,
      empCode,
      status,
      clientBranchId!,
      mobileNo ?? '',''
    );

    if (response['status'] == 'success') {
      _policyList = response['data'];
      _empName = response['emp_name'];
      _prePolicyCount = response['pre_policy_count'] ?? 0;
      _policyLoaded = true;
      notifyListeners();
      logDebug("✅ Policy list loaded: $_policyList");
    } else {
      logDebug("❌ Failed to load policies: ${response['status']}");
    }
  }

  /// Load Self Employee Profile (first time or refresh)
  Future<void> loadSelfEmployeeProfile({
    required String clientId,
    required String empCode,
    required String clientBranchId,
    bool forceRefresh = false,
  }) async {
    // if (_selfProfileLoaded && !forceRefresh) return;

    final response = await _apiService.getSelfEmployeeProfileDetails(
      clientId,
      empCode,
      clientBranchId,
    );

    if (response['status'] == 'success' && response.containsKey('data')) {
      _selfProfile = Map<String, dynamic>.from(response['data']);
      _accountManagerDetails =
      Map<String, dynamic>.from(response['AccountManagerDetails']);
      _selfProfileLoaded = true;

      // Store selfEmpStatus in SharedPreferences
      final prefs = await SharedPreferences.getInstance();
      if (_selfProfile?['emp_status'] != null) {
        prefs.setString('selfEmpStatus', _selfProfile!['emp_status']);
      }

      notifyListeners();
      logDebug("✅ Self Employee Profile loaded: $_selfProfile");
    } else {
      logDebug("❌ Failed to load self profile: ${response['status']}");
    }
  }

  /// Clear all cached data on logout
  Future<void> clearData() async {
    _advertisementImages = [];
    _adsLoaded = false;

    _policyList = [];
    _policyLoaded = false;
    _empName = null;
    _prePolicyCount = 0;

    _selfProfile = null;
    _accountManagerDetails = null;
    _selfProfileLoaded = false;

    notifyListeners();
  }
}



// import 'package:flutter/foundation.dart';
// import '../postEnrollment/service/api_service.dart';
// import 'package:flutter/material.dart';
//
// class DataManager extends ChangeNotifier {
//   static final DataManager _instance = DataManager._internal();
//   factory DataManager() => _instance;
//   DataManager._internal();
//
//   late ApiService _apiService;
//
//   List<String> _advertisementImages = [];
//   bool _isLoaded = false;
//
//   List<String> get advertisementImages => _advertisementImages;
//   bool get isLoaded => _isLoaded;
//
//   /// Inject ApiService (with context) once
//   void init(ApiService apiService) {
//     _apiService = apiService;
//   }
//
//   /// Load only once
//   Future<void> loadAdvertisementImages() async {
//     if (_isLoaded) return;
//
//     final response = await _apiService.getAdvertisementImageToApi();
//     if (response['status'] == 'success') {
//       _advertisementImages = List<String>.from(response['data']);
//       logDebug("✅ Advertisement images loaded: ${_advertisementImages}");
//       _isLoaded = true;
//       notifyListeners();
//     } else {
//       logDebug("❌ Failed to load advertisement images: ${response['message']}");
//     }
//   }
//
//   /// Clear on logout
//   Future<void> clearData() async {
//     _advertisementImages = [];
//     _isLoaded = false;
//     notifyListeners();
//   }
// }