src/services/auth.js

// src/services/auth.js
import axios from './api';

const API_BASE_URL = process.env.REACT_APP_API_BASE_URL || 'https://humblebeeai-al-ghazali-rag-retrieval-api.hf.space';

export const login = async (username, password) => {
  try {
    const response = await axios.post(
      `${API_BASE_URL}/login`,
      new URLSearchParams({
        username,
        password,
        grant_type: 'password'
      }),
      {
        headers: {
          'Content-Type': 'application/x-www-form-urlencoded'
        }
      }
    );

    return {
      access_token: response.data.access_token,
      refresh_token: response.data.refresh_token,
      token_type: response.data.token_type
    };
  } catch (error) {
    if (error.response) {
      throw new Error(
        error.response.data.detail || 
        error.response.data.message || 
        'Login failed'
      );
    }
    throw new Error('Network error. Please try again.');
  }
};

export const logout = async (accessToken) => {
  try {
    await axios.post(
      `${API_BASE_URL}/logout`,
      {},
      {
        headers: {
          Authorization: `Bearer ${accessToken}`
        }
      }
    );
  } catch (error) {
    console.error('Logout error:', error);
    // Proceed with client-side cleanup regardless
  }
};

export const refreshToken = async (refreshToken) => {
  try {
    const response = await axios.post(
      `${API_BASE_URL}/refresh`,
      { refresh_token: refreshToken }
    );

    return {
      access_token: response.data.access_token,
      refresh_token: response.data.refresh_token || refreshToken, // Fallback to existing if not provided
      token_type: response.data.token_type || 'bearer'
    };
  } catch (error) {
    if (error.response) {
      throw new Error(
        error.response.data.detail || 
        'Session expired. Please login again.'
      );
    }
    throw new Error('Network error during token refresh');
  }
};