const axios = require('axios');
const config = require('../config');

async function getMDMToken() {
  console.log('🔑 Requesting Workspace ONE token...');
  try {
    const response = await axios.post(
      config.mdm.tokenUrl,
      new URLSearchParams({
        grant_type: 'client_credentials',
        client_id: config.mdm.clientId,
        client_secret: config.mdm.clientSecret,
      }),
      { 
        headers: { 'Content-Type': 'application/x-www-form-urlencoded' } 
      }
    );

    console.log('✅ MDM Token acquired');
    return response.data.access_token;
  } catch (err) {
    console.error('❌ MDM Token failed:', err.message);
    throw err;
  }
}

async function getMDMDevices(storeNumber) {
  const storePadded = String(storeNumber).padStart(6, '0');
  console.log(`🔍 Fetching MDM devices for store ${storePadded}`);

  try {
    const token = await getMDMToken();

    const response = await axios.get(`${config.mdm.baseUrl}/api/mdm/devices/search`, {
      params: { user: storePadded },
      headers: {
        Authorization: `Bearer ${token}`,
        'aw-tenant-code': config.mdm.tenantCode,
        Accept: 'application/json'
      }
    });

    const devices = response.data.Devices || [];
    console.log(`✅ Fetched ${devices.length} MDM devices [getMDMDevices]`);
    return devices;

  } catch (err) {
    console.error(`❌ MDM devices fetch failed:`, err.message);
    return [];
  }
}

module.exports = { getMDMDevices };