import axios from 'axios';

const baseURL = typeof window !== 'undefined' ? '/api' : (process.env.NEXT_PUBLIC_API_URL || (process.env.NODE_ENV === 'development' ? 'http://localhost:4001/api' : 'https://apicanina.parsaaghayi.ir/api'));

const api = axios.create({
  baseURL,
  timeout: 10000,
  headers: {
    'Content-Type': 'application/json',
  },
});

// Interceptor to add auth token in request headers
api.interceptors.request.use(
  (config) => {
    let token = null;
    if (typeof window !== 'undefined') {
      token = localStorage.getItem('accessToken');
    }
    if (token && config.headers) {
      config.headers.Authorization = `Bearer ${token}`;
    }
    return config;
  },
  (error) => Promise.reject(error)
);

// Interceptor to handle 401/403 token expiration globally
api.interceptors.response.use(
  (response) => response,
  (error) => {
    if (error.response && (error.response.status === 401 || error.response.status === 403)) {
      if (typeof window !== 'undefined') {
        localStorage.removeItem('accessToken');
        localStorage.removeItem('refreshToken');
        try {
          // Dynamic import to avoid circular dependency
          const { useUserStore } = require('../store/userStore');
          useUserStore.getState().logout();
        } catch {
          // Ignore if store not initialized
        }
      }
    }
    return Promise.reject(error);
  }
);

export default api;