Initial Flutter project added

lib/services/auth_service.dart

@@ -0,0 +1,62 @@
+import 'package:dio/dio.dart';
+import '../config/api_config.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'},
+  ));
+
+  /// Calls /api/user/login with login_id and password
+  Future<Map<String, dynamic>> login(String loginId, String password) async {
+    try {
+      final response = await _dio.post('/user/login', data: {
+        'login_id': loginId,
+        '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',
+        };
+      }
+    } 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!;
+      }
+      return {
+        'success': false,
+        'message': message,
+      };
+    } 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()};
+    }
+  }
+}