soul-yongping/app/api/vip/purchase/route.ts

/**
 * VIP会员购买 - 创建VIP订单
 */
import { NextRequest, NextResponse } from 'next/server'
import { query, getConfig } from '@/lib/db'

export async function POST(request: NextRequest) {
  try {
    const { userId } = await request.json()
    if (!userId) {
      return NextResponse.json({ success: false, error: '缺少userId' }, { status: 400 })
    }

    const users = await query(
      'SELECT id, open_id, is_vip, vip_expire_date FROM users WHERE id = ?',
      [userId]
    ) as any[]
    if (!users.length) {
      return NextResponse.json({ success: false, error: '用户不存在' }, { status: 404 })
    }
    const user = users[0]

    // 如果已经是VIP且未过期
    if (user.is_vip && user.vip_expire_date && new Date(user.vip_expire_date) > new Date()) {
      return NextResponse.json({ success: false, error: '当前已是VIP会员' }, { status: 400 })
    }

    let vipPrice = 1980
    try {
      const config = await getConfig('vip_price')
      if (config) vipPrice = Number(config) || 1980
    } catch { /* 默认 */ }

    const orderId = 'vip_' + Date.now().toString(36) + Math.random().toString(36).substr(2, 6)
    const orderSn = 'VIP' + Date.now() + Math.floor(Math.random() * 1000)

    await query(
      `INSERT INTO orders (id, order_sn, user_id, open_id, product_type, amount, description, status)
       VALUES (?, ?, ?, ?, 'vip', ?, 'VIP年度会员', 'created')`,
      [orderId, orderSn, userId, user.open_id || '', vipPrice]
    )

    return NextResponse.json({
      success: true,
      data: {
        orderId,
        orderSn,
        amount: vipPrice,
        productType: 'vip',
        description: 'VIP年度会员（365天）'
      }
    })
  } catch (error) {
    console.error('[VIP Purchase]', error)
    return NextResponse.json({ success: false, error: '创建订单失败' }, { status: 500 })
  }
}