social-app/apps/lib/core/api/api_client.dart

import 'package:dio/dio.dart';
import 'api_exception.dart';
import 'api_interceptor.dart';
import '../storage/token_storage.dart';

class ApiClient {
  final Dio _dio;
  final TokenStorage _tokenStorage;
  final Future<bool> Function(String)? _refreshToken;

  ApiClient({
    required String baseUrl,
    required TokenStorage tokenStorage,
    Dio? dio,
    Future<bool> Function(String)? refreshToken,
  }) : _tokenStorage = tokenStorage,
       _refreshToken = refreshToken,
       _dio = dio ?? Dio(BaseOptions(baseUrl: baseUrl)) {
    _dio.interceptors.add(
      ApiInterceptor(
        tokenStorage: _tokenStorage,
        dio: _dio,
        onTokenRefresh: _handleTokenRefresh,
      ),
    );
  }

  Dio get dio => _dio;

  Future<bool> _handleTokenRefresh() async {
    final refreshToken = await _tokenStorage.getRefreshToken();
    if (refreshToken == null || _refreshToken == null) return false;
    try {
      final success = await _refreshToken!(refreshToken);
      return success;
    } catch (_) {
      return false;
    }
  }

  Future<Response<T>> get<T>(String path, {Options? options}) async {
    try {
      return await _dio.get<T>(path, options: options);
    } on DioException catch (e) {
      throw ApiException.fromDioError(e);
    }
  }

  Future<Response<T>> post<T>(
    String path, {
    dynamic data,
    Options? options,
  }) async {
    try {
      return await _dio.post<T>(path, data: data, options: options);
    } on DioException catch (e) {
      throw ApiException.fromDioError(e);
    }
  }
}