const { Sequelize } = require('sequelize');
const config = require('./config/database');

const sequelize = new Sequelize(
  config.development.database,
  config.development.username,
  config.development.password,
  {
    host: config.development.host,
    dialect: config.development.dialect,
    logging: false
  }
);

async function verifyData() {
  try {
    await sequelize.authenticate();
    console.log('✅ Database connection established\n');

    // Get counts from each table
    const [categories] = await sequelize.query('SELECT COUNT(*) as count FROM categories');
    const [users] = await sequelize.query('SELECT COUNT(*) as count FROM users');
    const [questions] = await sequelize.query('SELECT COUNT(*) as count FROM questions');
    const [achievements] = await sequelize.query('SELECT COUNT(*) as count FROM achievements');

    console.log('📊 Seeded Data Summary:');
    console.log('========================');
    console.log(`Categories:   ${categories[0].count} rows`);
    console.log(`Users:        ${users[0].count} rows`);
    console.log(`Questions:    ${questions[0].count} rows`);
    console.log(`Achievements: ${achievements[0].count} rows`);
    console.log('========================\n');

    // Verify category names
    const [categoryList] = await sequelize.query('SELECT name, slug, guest_accessible FROM categories ORDER BY display_order');
    console.log('📁 Categories:');
    categoryList.forEach(cat => {
      console.log(`  - ${cat.name} (${cat.slug}) ${cat.guest_accessible ? '🔓 Guest' : '🔒 Auth'}`);
    });
    console.log('');

    // Verify admin user
    const [adminUser] = await sequelize.query("SELECT username, email, role FROM users WHERE email = 'admin@quiz.com'");
    if (adminUser.length > 0) {
      console.log('👤 Admin User:');
      console.log(`  - Username: ${adminUser[0].username}`);
      console.log(`  - Email: ${adminUser[0].email}`);
      console.log(`  - Role: ${adminUser[0].role}`);
      console.log('  - Password: Admin@123');
      console.log('');
    }

    // Verify questions by category
    const [questionsByCategory] = await sequelize.query(`
      SELECT c.name, COUNT(q.id) as count 
      FROM categories c
      LEFT JOIN questions q ON c.id = q.category_id
      GROUP BY c.id, c.name
      ORDER BY c.display_order
    `);
    console.log('❓ Questions by Category:');
    questionsByCategory.forEach(cat => {
      console.log(`  - ${cat.name}: ${cat.count} questions`);
    });
    console.log('');

    // Verify achievements by category
    const [achievementsByCategory] = await sequelize.query(`
      SELECT category, COUNT(*) as count 
      FROM achievements
      GROUP BY category
      ORDER BY category
    `);
    console.log('🏆 Achievements by Category:');
    achievementsByCategory.forEach(cat => {
      console.log(`  - ${cat.category}: ${cat.count} achievements`);
    });
    console.log('');

    console.log('✅ All data seeded successfully!');
    process.exit(0);
  } catch (error) {
    console.error('❌ Error verifying data:', error.message);
    process.exit(1);
  }
}

verifyData();