kent_logistics_app/lib/services/auth_service.dart

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import '../config/api_config.dart';
import 'dio_client.dart';

class AuthService {
  late final Dio _dio;

  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: {
        'login_id': loginId,
        'password': password,
      });

      return Map<String, dynamic>.from(response.data);
    } on DioException catch (e) {
      final data = e.response?.data;
      return {
        'success': false,
        'message': data is Map && data['message'] != null
            ? data['message']
            : e.message ?? 'Login failed'
      };
    } 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};
    }
  }
}