/**
 * Admin Setup Script
 * 
 * Run this to create the first admin user (or promote an existing one).
 * Usage: node src/setup-admin.js <username> <password>
 *        node src/setup-admin.js <username>  (promote existing user)
 */

// Load env
const path = require('path');
const fs = require('fs');
try {
  const envFile = fs.readFileSync(path.join(__dirname, '..', '.env'), 'utf8');
  envFile.split('\n').forEach(line => {
    const match = line.match(/^([^#=]+)=(.*)$/);
    if (match) process.env[match[1].trim()] = match[2].trim();
  });
} catch (e) {}

const db = require('./config/database');

async function main() {
  await db.ready;

  const { Users } = require('./models');

  const username = process.argv[2];
  const password = process.argv[3];

  if (!username) {
    console.log('Usage:');
    console.log('  Create new admin:    node src/setup-admin.js <username> <password>');
    console.log('  Promote existing:    node src/setup-admin.js <username>');
    process.exit(1);
  }

  const existing = Users.findByUsername(username);

  if (existing) {
    Users.makeAdmin(existing.id);
    console.log(`✅ User "${username}" has been promoted to admin.`);
  } else if (password) {
    const userId = Users.create(username, password);
    Users.makeAdmin(userId);
    console.log(`✅ Admin user "${username}" created successfully (ID: ${userId}).`);
  } else {
    console.log(`❌ User "${username}" not found. Provide a password to create a new admin.`);
    process.exit(1);
  }

  db.forceSave();
  process.exit(0);
}

main().catch(err => { console.error(err); process.exit(1); });