import mysql from 'mysql2/promise';
import dotenv from 'dotenv';

dotenv.config();

const { DB_HOST, DB_USER, DB_PASS, DB_NAME, DB_PORT } = process.env;

async function probeDB() {
  const connection = await mysql.createConnection({
    host: DB_HOST,
    user: DB_USER,
    password: DB_PASS,
    database: DB_NAME,
    port: parseInt(DB_PORT || '3306')
  });

  console.log('--- Database Probe Start ---');
  
  const [tables] = await connection.query('SHOW TABLES');
  const tableNames = tables.map(t => Object.values(t)[0]);
  
  console.log('Existing Tables:', tableNames);

  for (const table of tableNames) {
    const [columns] = await connection.query(`DESCRIBE ${table}`);
    console.log(`\n[Table: ${table}]`);
    columns.forEach(c => {
      console.log(`  - ${c.Field} (${c.Type}) ${c.Comment ? '// ' + c.Comment : ''}`);
    });
  }

  await connection.end();
  console.log('\n--- Database Probe End ---');
}

probeDB().catch(console.error);