const axios = require('axios');
const { BASE_URL, EMAIL, PASSWORD, SEND_PHOTOS } = require('../config');

let cachedToken = null;

async function getToken(force = false) {
  if (!SEND_PHOTOS) return null;
  if (cachedToken && !force) return cachedToken;

  try {
    const res = await axios.post(`${BASE_URL}/auth/login`, {
      email: EMAIL,
      password: PASSWORD
    });

    cachedToken = res.data.token;
    return cachedToken;

  } catch (err) {
    console.error('ERRORE LOGIN:', err.message);
    return null;
  }
}

async function postWithAuth(url, payload) {
  if (!SEND_PHOTOS) return;

  let token = await getToken();
  if (!token) throw new Error('Token assente');

  try {
    await axios.post(url, payload, {
      headers: {
        Authorization: `Bearer ${token}`,
        'Content-Type': 'application/json'
      },
      timeout: 20000,
    });

  } catch (err) {
    if (err.response && err.response.status === 401) {
      token = await getToken(true);
      if (!token) throw err;

      await axios.post(url, payload, {
        headers: {
          Authorization: `Bearer ${token}`,
          'Content-Type': 'application/json'
        },
        timeout: 20000,
      });

    } else {
      throw err;
    }
  }
}

module.exports = postWithAuth;