#!/usr/bin/env node

/**
 * Check for test records in production database (read-only)
 * Shows what would be deleted without making any changes
 */

const { execSync } = require('child_process');

// Database connection string - use environment variable or default to production
const DB_URL = process.env.PROD_DATABASE_URL || 
               process.env.DATABASE_URL ||
               'postgresql://euchre_camp:LINGO5row_hiding@dhg.lol:5432/euchre_camp';

// Validate that we're not accidentally using dev database
if (DB_URL.includes('_dev') || DB_URL.includes('_dev_')) {
  console.error('❌ ERROR: This script should not be used with the development database!');
  console.error('   Current DATABASE_URL:', DB_URL);
  console.error('   Please set PROD_DATABASE_URL for production database operations.');
  process.exit(1);
}

// Helper to run SQL and log results
function runSQL(sql, description) {
  console.log(`\n🔍 ${description}...`);
  try {
    const result = execSync(`psql "${DB_URL}" -c "${sql}"`, { encoding: 'utf8' });
    console.log(result);
    return true;
  } catch (error) {
    console.error(`❌ Error: ${error.message}`);
    return false;
  }
}

// Helper to count records matching pattern
function countRecords(table, column, pattern) {
  const sql = `SELECT COUNT(*) FROM ${table} WHERE ${column} LIKE '${pattern}';`;
  try {
    const result = execSync(`psql "${DB_URL}" -c "${sql}" -t`, { encoding: 'utf8' }).trim();
    return parseInt(result);
  } catch (error) {
    return 0;
  }
}

console.log('🔍 Checking test records in production database');
console.log('=============================================\n');

// Count test players
const testPlayerCount = countRecords('players', 'name', '%Test%') +
                       countRecords('players', 'name', '%Setup%') +
                       countRecords('players', 'name', '%Home Test%') +
                       countRecords('players', 'name', '%Home Match Player%') +
                       countRecords('players', 'name', '%Admin User%');
console.log(`Test players found: ${testPlayerCount}`);

// Count test tournaments
const testEventCount = countRecords('events', 'name', '%Test%') +
                      countRecords('events', 'name', '%Setup%') +
                      countRecords('events', 'name', '%Recent%');
console.log(`Test tournaments found: ${testEventCount}`);

// Count test users
const testUserCount = countRecords('users', 'email', '%test%') +
                     countRecords('users', 'email', '%setup%');
console.log(`Test users found: ${testUserCount}`);

// Show test players
runSQL(`
  SELECT id, name 
  FROM players 
  WHERE name LIKE '%Test%' OR name LIKE '%Setup%' OR name LIKE '%Home Test%' OR name LIKE '%Home Match Player%' OR name LIKE '%Admin User%'
  ORDER BY name;
`, 'Test players list');

// Show test events
runSQL(`
  SELECT id, name 
  FROM events 
  WHERE name LIKE '%Test%' OR name LIKE '%Setup%' OR name LIKE '%Recent%'
  ORDER BY name;
`, 'Test events list');

// Show test users
runSQL(`
  SELECT id, email, name 
  FROM users 
  WHERE email LIKE '%test%' OR email LIKE '%setup%'
  ORDER BY email;
`, 'Test users list');

// Check which test players have matches (simplified query)
runSQL(`
  SELECT p.id, p.name 
  FROM players p 
  WHERE (p.name LIKE '%Test%' OR p.name LIKE '%Setup%' OR p.name LIKE '%Home Test%' OR p.name LIKE '%Home Match Player%' OR p.name LIKE '%Admin User%')
  ORDER BY p.name;
`, 'Test players (will be deleted)');

// Check which test events exist
runSQL(`
  SELECT e.id, e.name 
  FROM events e 
  WHERE (e.name LIKE '%Test%' OR e.name LIKE '%Setup%' OR e.name LIKE '%Recent%')
  ORDER BY e.name;
`, 'Test events (will be deleted with matches via cascade)');

console.log('\n✅ Check complete!');
console.log('\n💡 Summary:');
console.log('   - Test tournaments (with matches) can be deleted');
console.log('   - Test players can be deleted');
console.log('   - Test users without player associations can be deleted');