import axios from 'axios';

// Create an axios instance
const api = axios.create({
  baseURL: import.meta.env.VITE_BACKEND_URL || 'https://prashikshak-ibdl.onrender.com/api', 
});

// Request interceptor to add token
api.interceptors.request.use(
  (config) => {
    const token = localStorage.getItem('token');
    if (token) {
      config.headers.Authorization = `Bearer ${token}`;
    }
    return config;
  },
  (error) => Promise.reject(error)
);

// Response interceptor to handle errors globally
api.interceptors.response.use(
  (response) => response,
  (error) => {
    if (error.response?.status === 401) {
      console.warn('Unauthorized! redirect to login');
      // window.location.href = '/auth';
    }
    return Promise.reject(error);
  }
);

export default api;