const bcrypt = require('bcryptjs');
const jwt = require('jsonwebtoken');

// Hash password with bcrypt
async function hashPassword(password) {
  const salt = await bcrypt.genSalt(10);
  return bcrypt.hash(password, salt);
}

// Compare password with hash
async function comparePassword(password, hash) {
  return bcrypt.compare(password, hash);
}

// Generate JWT token
function generateToken(payload) {
  return jwt.sign(payload, process.env.JWT_SECRET, {
    expiresIn: process.env.JWT_EXPIRES_IN || '24h',
  });
}

// Verify JWT token
function verifyToken(token) {
  try {
    return jwt.verify(token, process.env.JWT_SECRET);
  } catch (error) {
    return null;
  }
}

module.exports = {
  hashPassword,
  comparePassword,
  generateToken,
  verifyToken,
};