/**
 * 分销 / 微信支付 / 代付链路 / 存客宝留资 — 小程序侧统一桥接
 * 阅读页 @mention、会员详情点头像、章节与代付支付等共用。
 */

/**
 * 支付订单携带的推荐码：优先落地页写入的 storage，否则当前用户自己的码（便于自购归因一致）
 */
function getReferralCodeForPay(app) {
  try {
    const s = wx.getStorageSync('referral_code')
    if (s != null && String(s).trim() !== '') return String(s).trim()
  } catch (e) {}
  if (app && typeof app.getMyReferralCode === 'function') {
    const c = app.getMyReferralCode()
    if (c) return String(c).trim()
  }
  return ''
}

/** 章节 / 全书支付描述（与 read 页原逻辑一致） */
function buildSectionPayDescription(productType, sectionId, sectionTitle) {
  if (productType === 'fullbook') return '《一场Soul的创业实验》全书'
  if (productType === 'section') {
    const t = sectionTitle || sectionId || ''
    const short = t.length > 20 ? t.slice(0, 20) + '...' : t
    return `章节${sectionId}-${short}`
  }
  return ''
}

/**
 * 调起微信 JSAPI 支付（字段与 soul-api GetJSAPIPayParams 一致，勿 spread 全对象以免带入多余字段）
 */
function requestWxJsapiPayment(payParams) {
  return new Promise((resolve, reject) => {
    if (!payParams || payParams.timeStamp == null) {
      reject(new Error('支付参数异常'))
      return
    }
    wx.requestPayment({
      timeStamp: String(payParams.timeStamp),
      nonceStr: payParams.nonceStr,
      package: payParams.package,
      signType: payParams.signType || 'RSA',
      paySign: payParams.paySign,
      success: resolve,
      fail: reject
    })
  })
}

/** 支付成功后主动查单，缓解回调延迟导致订单长期 created */
function syncOrderStatusQuery(app, orderSn) {
  if (!app || !orderSn) return Promise.resolve()
  return app.request(`/api/miniprogram/pay?orderSn=${encodeURIComponent(orderSn)}`, { silent: true }).catch(() => null)
}

/**
 * 提交存客宝 lead（与阅读页 @、会员详情点头像同接口）
 * @param {object} app getApp()
 * @param {{ targetUserId?: string, targetNickname?: string, targetMemberId?: string, targetMemberName?: string, source: string, phoneModalContent?: string }} opts
 * @returns {Promise<boolean>} 是否提交成功
 */
async function submitCkbLead(app, opts) {
  const targetUserId = ((opts && opts.targetUserId) || '').trim()
  const targetMemberId = ((opts && opts.targetMemberId) || '').trim()
  let targetNickname = (opts && opts.targetNickname != null) ? String(opts.targetNickname).trim() : ''
  if (targetUserId && !targetNickname) targetNickname = 'TA'
  const targetMemberName = ((opts && opts.targetMemberName) || '').trim()
  const source = (opts && opts.source) || 'article_mention'
  const phoneModalContent = (opts && opts.phoneModalContent) || '请先填写手机号（必填），以便对方联系您'

  // 文章 @ 为 token；会员详情无 token 时用 targetMemberId 走全局获客计划（与后端 CKBLead 一致）
  if (!targetUserId && !targetMemberId) return false

  if (!app.globalData.isLoggedIn || !app.globalData.userInfo) {
    return await new Promise((resolve) => {
      wx.showModal({
        title: '提示',
        content: '请先登录后再添加好友',
        confirmText: '去登录',
        cancelText: '取消',
        success: (res) => {
          if (res.confirm) wx.switchTab({ url: '/pages/my/my' })
          resolve(false)
        }
      })
    })
  }

  const myUserId = app.globalData.userInfo.id
  let phone = (app.globalData.userInfo.phone || wx.getStorageSync('user_phone') || '').trim().replace(/\s/g, '')
  let wechatId = (app.globalData.userInfo.wechatId || app.globalData.userInfo.wechat_id || wx.getStorageSync('user_wechat') || '').trim()

  if (!phone || !/^1[3-9]\d{9}$/.test(phone)) {
    try {
      const profileRes = await app.request({ url: `/api/miniprogram/user/profile?userId=${myUserId}`, silent: true })
      if (profileRes && profileRes.success && profileRes.data) {
        phone = (profileRes.data.phone || wx.getStorageSync('user_phone') || '').trim().replace(/\s/g, '')
        wechatId = (profileRes.data.wechatId || profileRes.data.wechat_id || wx.getStorageSync('user_wechat') || '').trim()
      }
    } catch (e) {}
  }

  if (!phone || !/^1[3-9]\d{9}$/.test(phone)) {
    return await new Promise((resolve) => {
      wx.showModal({
        title: '完善资料',
        content: phoneModalContent,
        confirmText: '去填写',
        cancelText: '取消',
        success: (res) => {
          if (res.confirm) wx.navigateTo({ url: '/pages/profile-edit/profile-edit' })
          resolve(false)
        }
      })
    })
  }

  wx.showLoading({ title: '提交中...', mask: true })
  try {
    const res = await app.request({
      url: '/api/miniprogram/ckb/lead',
      method: 'POST',
      data: {
        userId: myUserId,
        phone: phone || undefined,
        wechatId: wechatId || undefined,
        name: (app.globalData.userInfo.nickname || '').trim() || undefined,
        targetUserId: targetUserId || undefined,
        targetNickname: targetNickname !== '' ? targetNickname : undefined,
        targetMemberId: targetMemberId || undefined,
        targetMemberName: targetMemberName || undefined,
        source
      }
    })
    wx.hideLoading()
    if (res && res.success) {
      try {
        wx.setStorageSync('lead_last_submit_ts', Date.now())
      } catch (e) {}
      wx.showToast({ title: res.message || '提交成功，对方会尽快联系您', icon: 'success' })
      return true
    }
    wx.showToast({ title: (res && res.message) || '提交失败', icon: 'none' })
    return false
  } catch (e) {
    wx.hideLoading()
    const resp = e && e.response
    const hint = (resp && (resp.message || resp.error)) || (e && e.message) || '提交失败'
    wx.showToast({ title: String(hint), icon: 'none' })
    return false
  }
}

module.exports = {
  getReferralCodeForPay,
  buildSectionPayDescription,
  requestWxJsapiPayment,
  syncOrderStatusQuery,
  submitCkbLead
}