const accessManager = require('../../utils/chapterAccessManager')
const app = getApp()
const { trackClick } = require('../../utils/trackClick')
const { checkAndExecute } = require('../../utils/ruleEngine')

Page({
  data: {
    statusBarHeight: 44,
    isVip: false,
    daysRemaining: 0,
    expireDateStr: '',
    price: 1980,
    originalPrice: 6980,
    /* 按 premium_membership_landing_v1 设计稿 */
    contentRights: [
      { title: '解锁章节', desc: '全部章节365天畅读', icon: '📖' },
      { title: '创业项目', desc: '查看最新创业项目', icon: '📚' },
      { title: '每日纪要', desc: '专属团队每日总结', icon: '💡' },
      { title: '文内链接', desc: '文章提到你可被链接', icon: '📁' }
    ],
    socialRights: [
      { title: '匹配伙伴', desc: '1980次创业伙伴匹配', icon: '👥' },
      { title: '获得客资', desc: '加入创业伙伴获客资', icon: '🔗' },
      { title: '老板排行', desc: '项目曝光超级个体', icon: '📊' },
      { title: 'VIP标识', desc: '金色尊享光圈特权', icon: '✓' }
    ],
    purchasing: false,
    auditMode: false
  },

  onLoad() {
    this.setData({ auditMode: app.globalData.auditMode })
    wx.showShareMenu({ withShareTimeline: true })
    this.setData({ statusBarHeight: app.globalData.statusBarHeight })
    this.loadVipInfo()
  },

  async loadVipInfo() {
    const userId = app.globalData.userInfo?.id
    if (!userId) return
    try {
      const res = await app.request({ url: `/api/miniprogram/vip/status?userId=${userId}`, silent: true })
      if (res?.success) {
        const d = res.data
        let expStr = ''
        if (d.expireDate) {
          const dt = new Date(d.expireDate)
          expStr = `${dt.getFullYear()}-${String(dt.getMonth()+1).padStart(2,'0')}-${String(dt.getDate()).padStart(2,'0')}`
        }
        // 同步 VIP 状态到全局（与「我的」页保持一致）
        const isVip = !!d.isVip
        app.globalData.isVip = isVip
        app.globalData.vipExpireDate = d.expireDate || expStr || ''
        const userInfo = app.globalData.userInfo || {}
        userInfo.isVip = isVip
        userInfo.vipExpireDate = app.globalData.vipExpireDate
        app.globalData.userInfo = userInfo
        wx.setStorageSync('userInfo', userInfo)

        this.setData({
          isVip,
          daysRemaining: d.daysRemaining,
          expireDateStr: expStr,
          price: d.price || 1980
        })
      }
    } catch (e) { console.log('[VIP] 加载失败', e) }
  },

  async handlePurchase() {
    trackClick('vip', 'btn_click', '购买VIP')
    let userId = app.globalData.userInfo?.id
    let openId = app.globalData.openId || app.globalData.userInfo?.open_id
    if (!userId || !openId) {
      wx.showLoading({ title: '登录中...', mask: true })
      try {
        await app.login()
        userId = app.globalData.userInfo?.id
        openId = app.globalData.openId || app.globalData.userInfo?.open_id
        wx.hideLoading()
        if (!userId || !openId) {
          wx.showToast({ title: '登录失败，请重试', icon: 'none' })
          return
        }
      } catch (e) {
        wx.hideLoading()
        wx.showToast({ title: '登录失败', icon: 'none' })
        return
      }
    }
    this.setData({ purchasing: true })
    const amount = this.data.price
    try {
      // 0. 尝试余额支付（若余额足够）
      const referralCode = wx.getStorageSync('referral_code') || ''
      try {
        const balanceRes = await app.request({ url: `/api/miniprogram/balance?userId=${userId}`, silent: true })
        const balance = balanceRes?.data?.balance || 0
        if (balance >= amount) {
          const consumeRes = await app.request({
            url: '/api/miniprogram/balance/consume',
            method: 'POST',
            data: {
              userId,
              productType: 'vip',
              productId: 'vip_annual',
              amount,
              referralCode: referralCode || undefined
            }
          })
          if (consumeRes?.success) {
            this.setData({ purchasing: false })
            wx.showToast({ title: 'VIP开通成功', icon: 'success' })
            await this._onVipPaymentSuccess()
            return
          }
        }
      } catch (e) {
        console.warn('[VIP] 余额支付失败，改用微信支付:', e)
      }

      // 1. 微信支付
      const payRes = await app.request('/api/miniprogram/pay', {
        method: 'POST',
        data: {
          openId,
          userId,
          productType: 'vip',
          productId: 'vip_annual',
          amount,
          description: '卡若创业派对VIP年度会员（365天）'
        }
      })
      if (payRes?.success && payRes.data?.payParams) {
        wx.requestPayment({
          ...payRes.data.payParams,
          success: async () => {
            wx.showToast({ title: 'VIP开通成功', icon: 'success' })
            await this._onVipPaymentSuccess()
          },
          fail: () => wx.showToast({ title: '支付取消', icon: 'none' })
        })
      } else {
        wx.showToast({ title: payRes?.error || '支付参数获取失败', icon: 'none' })
      }
    } catch (e) {
      console.error('[VIP] 购买失败', e)
      wx.showToast({ title: '购买失败，请稍后重试', icon: 'none' })
    } finally { this.setData({ purchasing: false }) }
  },

  async _onVipPaymentSuccess() {
    wx.showLoading({ title: '同步权益中...', mask: true })
    try {
      await new Promise(r => setTimeout(r, 1500))
      await accessManager.refreshUserPurchaseStatus()
      // 重新拉取 VIP 状态并同步到全局
      await this.loadVipInfo()
      const pages = getCurrentPages()
      pages.forEach(p => {
        if (typeof p.initUserStatus === 'function') p.initUserStatus()
        else if (typeof p.updateUserStatus === 'function') p.updateUserStatus()
      })
      // 记录购买行为到 user_tracks
      const uid = app.globalData.userInfo?.id
      if (uid) {
        app.request('/api/miniprogram/track', {
          method: 'POST',
          data: { userId: uid, action: 'purchase', target: 'vip_annual', extraData: { amount: this.data.price } },
          silent: true
        }).catch(() => {})
      }
      // 购买后规则：引导填写完整信息
      checkAndExecute('after_pay', this)
    } catch (e) {
      console.error('[VIP] 支付后同步失败:', e)
    }
    wx.hideLoading()
  },

  goBack() { getApp().goBackOrToHome() },

  onShareAppMessage() {
    const ref = app.getMyReferralCode()
    return {
      title: 'Soul创业派对 - VIP会员',
      path: ref ? `/pages/vip/vip?ref=${ref}` : '/pages/vip/vip'
    }
  },

  onShareTimeline() {
    const ref = app.getMyReferralCode()
    return { title: 'Soul创业派对 - VIP会员', query: ref ? `ref=${ref}` : '' }
  }
})