import type { NextApiRequest, NextApiResponse } from 'next'
import { supabase } from '../../../lib/supabase'

interface ApiResponse {
  success: boolean
  message?: string
  error?: string
}

export default async function handler(
  req: NextApiRequest,
  res: NextApiResponse<ApiResponse>
) {
  if (req.method !== 'POST') {
    return res.status(405).json({
      success: false,
      error: '方法不允许'
    })
  }

  try {
    // 从Supabase登出
    const { error } = await supabase.auth.signOut()

    if (error) {
      console.error('Logout error:', error)
      return res.status(400).json({
        success: false,
        error: error.message || '登出失败'
      })
    }

    return res.status(200).json({
      success: true,
      message: '登出成功'
    })

  } catch (error) {
    console.error('Server error during logout:', error)
    return res.status(500).json({
      success: false,
      error: process.env.NODE_ENV === 'development' 
        ? `服务器错误: ${error instanceof Error ? error.message : '未知错误'}`
        : '服务器内部错误'
    })
  }
}