// =====================================================
// 簡單環境變數測試
// =====================================================

import { NextRequest, NextResponse } from 'next/server';

export async function GET(request: NextRequest) {
  try {
    // 直接檢查環境變數
    const envCheck = {
      NODE_ENV: process.env.NODE_ENV,
      DB_HOST: process.env.DB_HOST,
      DB_PORT: process.env.DB_PORT,
      DB_NAME: process.env.DB_NAME,
      DB_USER: process.env.DB_USER,
      DB_PASSWORD: process.env.DB_PASSWORD ? '***' : undefined,
      // 檢查所有可能的環境變數
      ALL_ENV_KEYS: Object.keys(process.env).filter(key => key.startsWith('DB_')),
    };

    console.log('🔍 環境變數檢查:');
    console.log('NODE_ENV:', process.env.NODE_ENV);
    console.log('DB_HOST:', process.env.DB_HOST);
    console.log('DB_PORT:', process.env.DB_PORT);
    console.log('DB_NAME:', process.env.DB_NAME);
    console.log('DB_USER:', process.env.DB_USER);
    console.log('DB_PASSWORD:', process.env.DB_PASSWORD ? '***' : 'undefined');
    console.log('所有 DB_ 開頭的環境變數:', Object.keys(process.env).filter(key => key.startsWith('DB_')));

    return NextResponse.json({
      success: true,
      message: '環境變數檢查完成',
      data: envCheck,
      timestamp: new Date().toISOString(),
    });
  } catch (error) {
    console.error('❌ 環境變數檢查失敗:', error);
    return NextResponse.json({
      success: false,
      message: '環境變數檢查失敗',
      error: error instanceof Error ? error.message : '未知錯誤'
    }, { status: 500 });
  }
}