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

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

    // Count all familynfriend vocabs
    const totalCount = await Vocab.count({
      where: { etc: 'familynfriend' }
    });

    console.log(`📊 Total familynfriend vocabulary: ${totalCount}`);

    // Get some sample records
    const samples = await Vocab.findAll({
      where: { etc: 'familynfriend' },
      limit: 10,
      order: [['grade', 'ASC']]
    });

    console.log('\n📋 Sample records:');
    samples.forEach(v => {
      console.log(`  - ${v.text} (grade: ${v.grade}, etc: ${v.etc})`);
    });

    // Count by grade prefix
    const gradeCount = await sequelize.query(
      `SELECT 
        FLOOR(grade / 100000) as grade_num, 
        COUNT(*) as count 
       FROM vocab 
       WHERE etc = 'familynfriend' 
       GROUP BY grade_num 
       ORDER BY grade_num`,
      { type: sequelize.QueryTypes.SELECT }
    );

    console.log('\n📊 Count by grade:');
    gradeCount.forEach(g => {
      const gradeName = `Grade ${g.grade_num}`;
      console.log(`  ${gradeName}: ${g.count} words`);
    });

    process.exit(0);
  } catch (error) {
    console.error('❌ Error:', error.message);
    process.exit(1);
  }
}

checkImport();