connect with backend

lib/services/auth_service.dart

@@ -1,16 +1,16 @@
 import 'package:dio/dio.dart';
+import 'package:flutter/material.dart';
 import '../config/api_config.dart';
+import 'dio_client.dart';
 
 class AuthService {
-  final Dio _dio = Dio(BaseOptions(
-    baseUrl: ApiConfig.baseUrl,
-    connectTimeout: const Duration(seconds: 15),
-    receiveTimeout: const Duration(seconds: 15),
-    // You can add headers here if needed:
-    // headers: {'Accept': 'application/json'},
-  ));
+  late final Dio _dio;
 
-  /// Calls /api/user/login with login_id and password
+  AuthService(BuildContext context) {
+    _dio = DioClient.getInstance(context);
+  }
+
+  /// Login API
   Future<Map<String, dynamic>> login(String loginId, String password) async {
     try {
       final response = await _dio.post('/user/login', data: {
@@ -18,45 +18,44 @@ class AuthService {
         'password': password,
       });
 
-      // Ensure we return a Map<String, dynamic>
-      if (response.data is Map) {
-        return Map<String, dynamic>.from(response.data);
-      } else {
-        return {
-          'success': false,
-          'message': 'Invalid response from server',
-        };
-      }
+      return Map<String, dynamic>.from(response.data);
     } on DioException catch (e) {
-      // Try to extract message from server response
-      dynamic respData = e.response?.data;
-      String message = 'Login failed';
-      if (respData is Map && respData['message'] != null) {
-        message = respData['message'].toString();
-      } else if (e.message != null) {
-        message = e.message!;
-      }
+      final data = e.response?.data;
       return {
         'success': false,
-        'message': message,
+        'message': data is Map && data['message'] != null
+            ? data['message']
+            : e.message ?? 'Login failed'
       };
-    } catch (e) {
-      return {
-        'success': false,
-        'message': e.toString(),
-      };
-    }
-  }
-
-  /// Optional: logout (if you have logout endpoint)
-  Future<Map<String, dynamic>> logout(String token) async {
-    try {
-      final Dio dio = Dio(BaseOptions(baseUrl: ApiConfig.baseUrl));
-      dio.options.headers['Authorization'] = 'Bearer $token';
-      final response = await dio.post('/user/logout');
-      return Map<String, dynamic>.from(response.data ?? {'success': true});
     } catch (e) {
       return {'success': false, 'message': e.toString()};
     }
   }
+
+  /// Logout API
+  Future<Map<String, dynamic>> logout() async {
+    try {
+      final response = await _dio.post('/user/logout');
+      return Map<String, dynamic>.from(response.data);
+    } catch (e) {
+      return {'success': false, 'message': e.toString()};
+    }
+  }
+
+  /// Refresh token
+  Future<Map<String, dynamic>> refreshToken(String oldToken) async {
+    try {
+      final response = await _dio.post(
+        '/user/refresh',
+        options: Options(headers: {
+          'Authorization': 'Bearer $oldToken',
+        }),
+      );
+
+      return Map<String, dynamic>.from(response.data);
+    } on DioException catch (e) {
+      final msg = e.response?.data?['message'] ?? 'Refresh failed';
+      return {'success': false, 'message': msg};
+    }
+  }
 }