const mysql = require('mysql2/promise');

const dbConfig = {
  host: 'mysql.theaken.com',
  port: 33306,
  user: 'root',
  password: 'zh6161168',
  database: 'db_AI_scoring'
};

async function checkFeedbackData() {
  let connection;
  try {
    console.log('🔗 連接到資料庫...');
    connection = await mysql.createConnection(dbConfig);
    console.log('✅ 資料庫連接成功');

    // 檢查 evaluation_feedback 表結構
    console.log('📋 檢查 evaluation_feedback 表結構...');
    const [columns] = await connection.execute(`
      SELECT COLUMN_NAME, DATA_TYPE, IS_NULLABLE, COLUMN_DEFAULT 
      FROM INFORMATION_SCHEMA.COLUMNS 
      WHERE TABLE_NAME = 'evaluation_feedback' 
      ORDER BY ORDINAL_POSITION
    `);
    console.log('表結構:', columns);

    // 檢查 evaluation_feedback 數據
    console.log('📊 檢查 evaluation_feedback 數據...');
    const [feedbackData] = await connection.execute(`
      SELECT id, evaluation_id, criteria_item_id, feedback_type, content, sort_order
      FROM evaluation_feedback 
      WHERE evaluation_id = 2
      ORDER BY sort_order
    `);
    console.log('評審 ID 2 的反饋數據:', feedbackData);

    // 檢查不同 feedback_type 的數據
    console.log('🔍 檢查不同 feedback_type 的數據...');
    const [typeStats] = await connection.execute(`
      SELECT feedback_type, COUNT(*) as count
      FROM evaluation_feedback 
      GROUP BY feedback_type
    `);
    console.log('feedback_type 統計:', typeStats);

    // 檢查 criteria_items 表
    console.log('📝 檢查 criteria_items 表...');
    const [criteriaItems] = await connection.execute(`
      SELECT id, name, description
      FROM criteria_items
      ORDER BY id
    `);
    console.log('評分標準項目:', criteriaItems);

  } catch (error) {
    console.error('❌ 錯誤:', error.message);
  } finally {
    if (connection) {
      await connection.end();
      console.log('🔌 資料庫連接已關閉');
    }
  }
}

checkFeedbackData();