const path = require('path');
require('dotenv').config({ path: path.join(__dirname, '..', '.env') });
const mysql = require('mysql2/promise');
const checkAndFixDatabase = require('./db-schema-check');
const db = require('./db');

async function initDatabase() {
  const host = process.env.MYSQL_HOST || 'localhost';
  const port = parseInt(process.env.MYSQL_PORT) || 3306;
  const user = process.env.MYSQL_USER || 'root';
  const password = process.env.MYSQL_PASSWORD || '';
  const dbName = process.env.MYSQL_DATABASE || 'display_wall';

  // 1. Create connection without database selected to create the DB itself
  const connection = await mysql.createConnection({
    host,
    port,
    user,
    password
  });

  console.log('🔧 Initializing database environment...\n');

  // Create database
  await connection.query(`CREATE DATABASE IF NOT EXISTS \`${dbName}\` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci`);
  console.log(`  ✅ Database "${dbName}" ready`);
  await connection.end();

  // 2. Re-initialize the standard pool so it can see the new DB
  db.initPool();

  // 3. Use the centralized schema tool to create/fix all tables
  console.log('  📦 Initializing tables using schema-check tool...');
  await checkAndFixDatabase();
  console.log('  ✅ Tables and columns ready');

  console.log('\n🎉 Database initialization complete!\n');
}

initDatabase().catch(err => {
  console.error('❌ Database initialization failed:', err.message);
  process.exit(1);
});