require('dotenv').config({ path: '.env.local' })
const mysql = require('mysql2/promise')

async function testUserUpdate() {
  console.log('🧪 測試用戶更新功能...')
  
  // 連接資料庫
  const dbConfig = {
    host: process.env.DB_HOST,
    port: parseInt(process.env.DB_PORT),
    database: process.env.DB_DATABASE,
    user: process.env.DB_USERNAME,
    password: process.env.DB_PASSWORD,
  }
  
  console.log('🔗 連接到資料庫...')
  const db = mysql.createPool(dbConfig)
  
  try {
    // 1. 檢查用戶是否存在
    console.log('1️⃣ 檢查用戶 user_001 是否存在...')
    const [users] = await db.execute('SELECT * FROM users WHERE id = ?', ['user_001'])
    if (users.length === 0) {
      console.log('❌ 用戶 user_001 不存在')
      return
    }
    console.log('✅ 用戶存在:', users[0])
    
    // 2. 測試更新
    console.log('2️⃣ 測試更新用戶...')
    const updateData = {
      name: '陳雅雯測試更新',
      email: 'chen@company.com',
      role: 'manager'
    }
    
    const now = new Date().toISOString()
    const fields = Object.keys(updateData).map(key => `${key} = ?`)
    const values = Object.values(updateData)
    
    console.log('SQL:', `UPDATE users SET ${fields.join(', ')}, updated_at = ? WHERE id = ?`)
    console.log('參數:', [...values, now, 'user_001'])
    
    await db.execute(
      `UPDATE users SET ${fields.join(', ')}, updated_at = ? WHERE id = ?`,
      [...values, now, 'user_001']
    )
    
    // 3. 驗證更新結果
    console.log('3️⃣ 驗證更新結果...')
    const [updatedUsers] = await db.execute('SELECT * FROM users WHERE id = ?', ['user_001'])
    console.log('✅ 更新成功:', updatedUsers[0])
    
  } catch (error) {
    console.error('❌ 測試失敗:', error)
  } finally {
    await db.end()
  }
}

testUserUpdate()