const User = require('../models/User');
const bcrypt = require('bcryptjs');

/**
 * Initialize a superadmin user
 * This will run when the application starts
 */
const seedSuperAdmin = async () => {
  try {
    console.log('Checking for superadmin account...');
    
    // Get credentials from environment variables
    const email = process.env.SUPERADMIN_EMAIL || 'admin@example.com';
    const password = process.env.SUPERADMIN_PASSWORD || 'changeme123';
    
    // Check if superadmin already exists
    const existingAdmin = await User.findOne({ role: 'superadmin' });
    
    if (existingAdmin) {
      console.log('Superadmin account already exists');
      return existingAdmin;
    }
    
    // Create a new superadmin
    console.log('Creating superadmin account...');
    
    const superadmin = new User({
      email: email,
      password: password, // This will be hashed by the pre-save hook
      role: 'superadmin'
    });
    
    // Save the user to trigger the pre-save hook that hashes the password
    await superadmin.save();
    
    console.log(`Superadmin created with email: ${email}`);
    console.log('IMPORTANT: Change the default password after first login!');
    
    // Only store plain password in development for testing
    if (process.env.NODE_ENV === 'development') {
      console.log('Development mode: Password is set from SUPERADMIN_PASSWORD env variable');
    }
    
    return superadmin;
    
  } catch (error) {
    console.error('Error seeding superadmin:', error);
    throw error;
  }
};

module.exports = seedSuperAdmin;