import { NextRequest, NextResponse } from 'next/server'
import { UserService } from '@/lib/services/database-service'

const userService = new UserService()

export async function GET(request: NextRequest) {
  try {
    // 獲取所有用戶（包括不同狀態）
    const sql = `
      SELECT id, name, email, department, role, status, created_at, last_login
      FROM users 
      ORDER BY name ASC
    `;
    
    const users = await userService.query(sql);
    
    // 格式化用戶數據
    const usersWithStats = users.map((user) => {
      return {
        id: user.id,
        name: user.name,
        email: user.email,
        department: user.department,
        role: user.role,
        status: user.status,
        createdAt: user.created_at,
        lastLogin: user.last_login
      };
    });
    
    return NextResponse.json({
      success: true,
      data: {
        users: usersWithStats
      }
    })
    
  } catch (error) {
    console.error('獲取用戶列表錯誤:', error)
    return NextResponse.json(
      { success: false, error: '獲取用戶列表時發生錯誤' },
      { status: 500 }
    )
  }
}