const { Pool } = require('pg');
const fs = require('fs');
const path = require('path');
require('dotenv').config();

// Disable SSL verification for Supabase pooler
process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0';

async function runMigration() {
  const connectionString = process.env.DATABASE_URL?.replace('?sslmode=require', '');
  
  const pool = new Pool({
    connectionString,
    ssl: true
  });

  try {
    console.log('Connecting to database...');
    await pool.query('SELECT 1');
    console.log('Connected!\n');

    // Read the migration file
    const migrationPath = path.join(__dirname, '../supabase/migrations/20260206000000_users_and_servers.sql');
    const sql = fs.readFileSync(migrationPath, 'utf8');
    
    console.log('Running users_and_servers migration...\n');
    
    // Execute the entire SQL file as a single transaction
    await pool.query(sql);
    
    console.log('✅ Migration complete!');
    
    // Verify tables exist
    const tables = await pool.query(`
      SELECT table_name FROM information_schema.tables 
      WHERE table_schema = 'public' 
      AND table_name IN ('users', 'servers', 'channels', 'messages', 'server_members')
    `);
    
    console.log('\nVerified tables created:');
    tables.rows.forEach(row => console.log('  ✓', row.table_name));
    
  } catch (error) {
    console.error('Migration error:', error.message);
    
    // If tables already exist error, try checking what exists
    if (error.message.includes('already exists')) {
      console.log('\nSome tables already exist. Checking current state...');
      const tables = await pool.query(`
        SELECT table_name FROM information_schema.tables 
        WHERE table_schema = 'public'
        ORDER BY table_name
      `);
      console.log('Existing tables:', tables.rows.map(r => r.table_name).join(', '));
    }
  } finally {
    await pool.end();
  }
}

runMigration();