/**
 * VIP会员状态查询
 */
import { NextRequest, NextResponse } from 'next/server'
import { query, getConfig } from '@/lib/db'

export async function GET(request: NextRequest) {
  const userId = new URL(request.url).searchParams.get('userId')
  if (!userId) {
    return NextResponse.json({ success: false, error: '缺少userId' }, { status: 400 })
  }

  try {
    const rows = await query(
      `SELECT is_vip, vip_expire_date, vip_name, vip_project, vip_contact, vip_avatar, vip_bio,
              has_full_book, nickname, avatar
       FROM users WHERE id = ?`,
      [userId]
    ) as any[]

    if (!rows.length) {
      return NextResponse.json({ success: false, error: '用户不存在' }, { status: 404 })
    }

    const user = rows[0]
    const now = new Date()
    const isVip = user.is_vip && user.vip_expire_date && new Date(user.vip_expire_date) > now

    // 若过期则自动标记
    if (user.is_vip && !isVip) {
      await query('UPDATE users SET is_vip = FALSE WHERE id = ?', [userId]).catch(() => {})
    }

    let vipPrice = 1980
    let vipRights: string[] = []
    try {
      const priceConfig = await getConfig('vip_price')
      if (priceConfig) vipPrice = Number(priceConfig) || 1980
      const rightsConfig = await getConfig('vip_rights')
      if (rightsConfig) vipRights = Array.isArray(rightsConfig) ? rightsConfig : JSON.parse(rightsConfig)
    } catch { /* 使用默认 */ }

    if (!vipRights.length) {
      vipRights = [
        '解锁全部章节内容（365天）',
        '匹配所有创业伙伴',
        '创业老板排行榜展示',
        '专属VIP标识'
      ]
    }

    return NextResponse.json({
      success: true,
      data: {
        isVip,
        expireDate: user.vip_expire_date,
        daysRemaining: isVip ? Math.ceil((new Date(user.vip_expire_date).getTime() - now.getTime()) / 86400000) : 0,
        profile: {
          name: user.vip_name || '',
          project: user.vip_project || '',
          contact: user.vip_contact || '',
          avatar: user.vip_avatar || user.avatar || '',
          bio: user.vip_bio || ''
        },
        price: vipPrice,
        rights: vipRights
      }
    })
  } catch (error) {
    console.error('[VIP Status]', error)
    return NextResponse.json({ success: false, error: '查询失败' }, { status: 500 })
  }
}