flnxi-Wu/app/api/invitations/verify/route.ts

import { NextRequest, NextResponse } from 'next/server'
import { prisma } from '@/lib/prisma'

export const dynamic = 'force-dynamic'

// GET - 验证邀请码
export async function GET(req: NextRequest) {
  try {
    const { searchParams } = new URL(req.url)
    const code = searchParams.get('code')

    if (!code) {
      return NextResponse.json(
        { error: '缺少邀请码' },
        { status: 400 }
      )
    }

    const invitation = await prisma.invitation.findUnique({
      where: { code },
    })

    if (!invitation) {
      return NextResponse.json(
        { error: '邀请码不存在' },
        { status: 404 }
      )
    }

    if (!invitation.isActive) {
      return NextResponse.json(
        { error: '邀请码已失效' },
        { status: 403 }
      )
    }

    if (invitation.currentUses >= invitation.maxUses) {
      return NextResponse.json(
        { error: '邀请码使用次数已用完' },
        { status: 403 }
      )
    }

    if (invitation.expiresAt && new Date() > invitation.expiresAt) {
      return NextResponse.json(
        { error: '邀请码已过期' },
        { status: 403 }
      )
    }

    return NextResponse.json({
      valid: true,
      code: invitation.code,
    })
  } catch (error) {
    console.error('Verify invitation error:', error)
    return NextResponse.json(
      { error: '验证邀请码失败' },
      { status: 500 }
    )
  }
}