import { createConnection } from 'mysql2/promise';
import { readFileSync } from 'fs';
import { config } from 'dotenv';

// Load env
config();

const dbUrl = process.env.DATABASE_URL;
if (!dbUrl) {
  console.error('DATABASE_URL not set');
  process.exit(1);
}

// Parse MySQL URL: mysql://user:pass@host:port/dbname
const url = new URL(dbUrl);
const connection = await createConnection({
  host: url.hostname,
  port: parseInt(url.port || '3306'),
  user: url.username,
  password: url.password,
  database: url.pathname.slice(1),
  ssl: { rejectUnauthorized: false },
  multipleStatements: false,
});

console.log('Connected to database');

// Check current count
const [countRows] = await connection.execute('SELECT COUNT(*) as count FROM `all_games`');
console.log('Current games count:', countRows[0].count);

// Read the SQL file
const sql = readFileSync('/home/ubuntu/all_games_seed.sql', 'utf8');

// Extract just the INSERT statement (skip comments)
const insertSql = sql.split('\n').filter(line => !line.startsWith('--')).join('\n').trim();

console.log('Executing seed SQL...');
try {
  await connection.execute(insertSql);
  console.log('Seed SQL executed successfully');
} catch (err) {
  console.error('Error executing seed SQL:', err.message);
  // Try splitting into smaller batches
  console.log('Trying batch insert...');
  
  // Extract values
  const valuesMatch = insertSql.match(/VALUES\n([\s\S]+)\nON DUPLICATE/);
  if (!valuesMatch) {
    console.error('Could not parse SQL values');
    process.exit(1);
  }
  
  const allValues = valuesMatch[1].split('),\n(');
  const firstValue = allValues[0].replace(/^\(/, '');
  const lastValue = allValues[allValues.length - 1].replace(/\)$/, '');
  allValues[0] = firstValue;
  allValues[allValues.length - 1] = lastValue;
  
  const header = `INSERT INTO \`all_games\` (
  \`gameId\`, \`gameName\`, \`gameType\`, \`category\`, \`provider\`,
  \`rtp\`, \`volatility\`, \`paylines\`, \`reels\`, \`minBet\`, \`maxBet\`, \`jackpot\`,
  \`hasIcon\`, \`iconUrl\`, \`isActive\`, \`isFeatured\`, \`playCount\`
) VALUES `;
  
  const footer = `\nON DUPLICATE KEY UPDATE
  \`gameName\` = VALUES(\`gameName\`),
  \`iconUrl\` = VALUES(\`iconUrl\`),
  \`isFeatured\` = VALUES(\`isFeatured\`);`;
  
  const batchSize = 50;
  let inserted = 0;
  
  for (let i = 0; i < allValues.length; i += batchSize) {
    const batch = allValues.slice(i, i + batchSize);
    const batchSql = header + '(' + batch.join('),(') + ')' + footer;
    try {
      await connection.execute(batchSql);
      inserted += batch.length;
      process.stdout.write(`\rInserted ${inserted}/${allValues.length} games...`);
    } catch (batchErr) {
      console.error(`\nBatch ${i}-${i+batchSize} failed:`, batchErr.message);
    }
  }
  console.log(`\nBatch insert complete: ${inserted} games`);
}

// Verify final count
const [finalRows] = await connection.execute('SELECT COUNT(*) as count FROM `all_games`');
console.log('Final games count:', finalRows[0].count);

// Show sample
const [sampleRows] = await connection.execute('SELECT gameId, gameName, provider, iconUrl FROM `all_games` WHERE iconUrl != "" LIMIT 5');
console.log('Sample games with thumbnails:');
sampleRows.forEach(r => console.log(`  ${r.gameId}: ${r.gameName} (${r.provider}) - ${r.iconUrl.substring(0, 60)}...`));

await connection.end();
console.log('Done!');