const adminAuthService = require('../services/admin.auth.service');
const { generateToken } = require('../util/jwt');
const { logger } = require('../util/logger');
const db = require('../config/db');
// const authenticate = require('../middlewares/auth.middleware');

async function login(req, res) {
  const { userName, password } = req.body;

  if (!userName || !password) {
    return res
      .status(400)
      .json({ error: 'UserName and Password are required' });
  }
  const currentTime = new Date().toISOString();
  try {
    const admin = await adminAuthService.validateAdmin(userName, password);
    if (!admin) return res.status(401).json({ error: 'invalid credentials' });

    const token = generateToken(admin.username, 'admin', '1d');
    await db.query('UPDATE admin SET last_login = $1 WHERE username = $2', [
      currentTime,
      userName,
    ]);
    res.json({ token });
  } catch (err) {
    logger.error(err, 'login failed');
    res.status(500).json({ error: 'something went wrong' });
  }
}

async function fetchAdminDetails(req, res) {
  const customerNo = req.admin;
  try {
    const admin = await adminAuthService.findAdminByUserName(customerNo);
    if (!admin) return res.status(404).json({ message: 'ADMIN_USER_NOT_FOUND' });
    return res.json(admin);

  } catch (err) {
    logger.error(err, 'error occurred while fetching admin details');
    res.status(500).json({ error: 'something went wrong' });
  }
}

async function getUserDetails(req, res) {
  const { CIF } = req.query;
  if (!CIF) {
    res.status(400).json({
      error: 'CIF number is required',
    });
  }
  try {
    const userDetails = await adminAuthService.getCustomerDetails(CIF);
    if (!userDetails)
      return res.status(401).json({ error: 'invalid CIF number' });
    return res.json(userDetails);
  } catch (error) {
    logger.error('while fetching customer details', error);
    res.status(500).json({ error: 'invalid CIF number'});
  }
}
module.exports = { login, fetchAdminDetails, getUserDetails };