const { sequelize } = require('../config/database');
const { StudentDetail, UserProfile, UsersAuth, setupRelationships } = require('../models');

async function testJoin() {
  try {
    await sequelize.authenticate();
    console.log('✅ Connected to database');
    
    // Setup relationships BEFORE querying
    setupRelationships();
    console.log('✅ Relationships initialized\n');

    // Test 1: Raw SQL query
    console.log('📊 Test 1: Raw SQL Join');
    const [rawResults] = await sequelize.query(`
      SELECT 
        sd.id, 
        sd.user_id, 
        sd.student_code,
        up.id as profile_id,
        up.user_id as profile_user_id,
        up.full_name
      FROM student_details sd
      LEFT JOIN user_profiles up ON sd.user_id = up.user_id
      WHERE sd.student_code LIKE 'pri_apdinh%'
      LIMIT 3
    `);
    
    console.log('Raw SQL Results:');
    rawResults.forEach(row => {
      console.log({
        student_id: row.id,
        student_user_id: row.user_id,
        student_code: row.student_code,
        profile_id: row.profile_id,
        profile_user_id: row.profile_user_id,
        full_name: row.full_name,
        join_works: row.profile_id ? '✅ YES' : '❌ NO'
      });
    });

    // Test 2: Sequelize query
    console.log('\n📊 Test 2: Sequelize Join');
    const students = await StudentDetail.findAll({
      where: sequelize.where(
        sequelize.fn('LOWER', sequelize.col('student_code')),
        'LIKE',
        'pri_apdinh%'
      ),
      include: [{
        model: UserProfile,
        as: 'profile',
        required: false,
      }],
      limit: 3
    });

    console.log('Sequelize Results:');
    students.forEach(student => {
      console.log({
        student_id: student.id,
        student_user_id: student.user_id,
        student_code: student.student_code,
        profile: student.profile ? {
          id: student.profile.id,
          user_id: student.profile.user_id,
          full_name: student.profile.full_name,
          join_works: '✅ YES'
        } : '❌ NO PROFILE'
      });
    });

    // Test 3: Check data integrity
    console.log('\n📊 Test 3: Data Integrity Check');
    const sampleStudent = await StudentDetail.findOne({
      where: sequelize.where(
        sequelize.fn('LOWER', sequelize.col('student_code')),
        'LIKE',
        'pri_apdinh%'
      )
    });

    if (sampleStudent) {
      console.log(`Student user_id: ${sampleStudent.user_id}`);
      
      const matchingProfile = await UserProfile.findOne({
        where: { user_id: sampleStudent.user_id }
      });
      
      if (matchingProfile) {
        console.log(`✅ Found matching profile: ${matchingProfile.full_name}`);
        console.log(`Profile user_id: ${matchingProfile.user_id}`);
      } else {
        console.log(`❌ No matching profile found for user_id: ${sampleStudent.user_id}`);
      }
    }

  } catch (error) {
    console.error('❌ Error:', error);
  } finally {
    await sequelize.close();
  }
}

testJoin();