import 'package:dio/dio.dart';
import 'package:flutter/foundation.dart';
import '../../features/auth/models/auth_token.dart';
import '../../features/auth/models/auth_credentials.dart';
import '../../core/errors/exceptions.dart';


class AuthService {
  final Dio _dio;
  AuthService(this._dio);

  Future<AuthToken> login(AuthCredentials credentials) async {
    try {
      final response = await _dio.post(
        '/api/auth/login',
        data: credentials.toJson(),
      );
      
      if (response.statusCode == 200) {
        return AuthToken.fromJson(response.data);
      } else {
        throw AuthException('Login failed');
      }
    } on DioException catch (e) {
      if (kDebugMode) {
        print(e.toString());
      }
      if (e.response?.statusCode == 401) {
        throw AuthException('Invalid credentials');
      }
      throw NetworkException('Network error during login');
    } catch (e) {
      throw UnexpectedException('Unexpected error during login: ${e.toString()}');
    }
  }

  Future<AuthToken> refreshToken(String refreshToken) async {
    try {
      final response = await _dio.post(
        '/auth/refresh',
        data: {'refresh_token': refreshToken},
      );
      
      if (response.statusCode == 200) {
        return AuthToken.fromJson(response.data);
      } else {
        throw AuthException('Token refresh failed');
      }
    } catch (e) {
      throw AuthException('Failed to refresh token: ${e.toString()}');
    }
  }

}