/**
 * 排行榜 POST /yonghu/phbhqsj
 * 参数: shenfen(dashou|guanshi|zuzhang|shangjia), riqi(今日|本周|本月|总榜|昨日|上周|上月)
 */
import request from '../../utils/request.js'
import { resolveAvatarUrl, getDefaultAvatarUrl } from '../../utils/avatar.js'

const ROLE_LIST = [
  { key: 'dashou', label: '接单员' },
  { key: 'guanshi', label: '管事' },
  { key: 'zuzhang', label: '组长' },
  { key: 'shangjia', label: '商家' },
]

const DATE_LIST = [
  { key: '今日', label: '今日' },
  { key: '本周', label: '本周' },
  { key: '本月', label: '本月' },
  { key: '总榜', label: '总榜' },
  { key: '昨日', label: '昨日' },
  { key: '上周', label: '上周' },
  { key: '上月', label: '上月' },
]

const ROLE_META = {
  dashou: {
    title: '接单员排行榜',
    sortField: 'chengjiao_zonge',
    sortLabel: '分红总额',
    metrics: [
      { field: 'jiedan_zongliang', label: '接单量', type: 'int' },
      { field: 'jiedan_zonge', label: '接单额', type: 'money' },
      { field: 'chengjiao_zongliang', label: '成交量', type: 'int' },
    ],
  },
  guanshi: {
    title: '管事排行榜',
    sortField: 'shouru_zonge',
    sortLabel: '收入总额',
    metrics: [
      { field: 'yaoqing_dashou_shu', label: '邀请', type: 'int' },
      { field: 'chongzhi_dashou_shu', label: '充值', type: 'int' },
    ],
  },
  zuzhang: {
    title: '组长排行榜',
    sortField: 'shouru_zonge',
    sortLabel: '收入总额',
    metrics: [
      { field: 'yaoqing_guanshi_shu', label: '邀请', type: 'int' },
      { field: 'fenyong_jine', label: '分佣', type: 'money' },
    ],
  },
  shangjia: {
    title: '商家排行榜',
    sortField: 'jiesuan_jine',
    sortLabel: '成交总额',
    metrics: [
      { field: 'jiesuan_dingdan_shu', label: '成交量', type: 'int' },
      { field: 'paifa_dingdan_shu', label: '派单量', type: 'int' },
      { field: 'paifa_jine', label: '派单额', type: 'money' },
    ],
  },
}

function isInvalidAvatarPath(path) {
  if (path === null || path === undefined) return true
  if (typeof path !== 'string') return true
  const s = path.trim()
  return !s || s === 'null' || s === 'undefined' || s === 'none'
}

function getDefaultAvatar(app) {
  return getDefaultAvatarUrl(app)
}

function buildAvatar(path, app) {
  app = app || getApp()
  if (isInvalidAvatarPath(path)) return getDefaultAvatar(app)
  return resolveAvatarUrl(path, app) || getDefaultAvatar(app)
}

Page({
  data: {
    imgUrls: {},
    roleList: ROLE_LIST,
    dateList: DATE_LIST,
    currentRole: 'dashou',
    currentDate: '今日',
    roleMeta: ROLE_META.dashou,
    sortLabel: '分红总额',
    isLoading: true,
    rankList: [],
    topThree: [],
    restList: [],
    isEmpty: false,
    defaultAvatar: '',
  },

  onLoad(options) {
    const type = options.type || options.rankType || 'dashou'
    const validRole = ROLE_META[type] ? type : 'dashou'
    this.initPage()
    this.applyRole(validRole, false)
    this.fetchRankList()
  },

  onPullDownRefresh() {
    this.fetchRankList().finally(() => wx.stopPullDownRefresh())
  },

  initPage() {
    this.syncDefaultAvatar()
    const g = getApp().globalData
    const base = (g.ossImageUrl || '') + 'beijing/paihangbang/'
    this.setData({
      imgUrls: {
        pageBg: base + 'page-bg.jpg',
        cardBg: base + 'list-card-bg.png',
        emptyIcon: base + 'empty.png',
        refreshIcon: base + 'icon-refresh.png',
      },
    })
  },

  /** 与 app.js 一致：ossImageUrl + morentouxiang，配置异步加载后 onShow 再同步 */
  syncDefaultAvatar() {
    const def = getDefaultAvatar()
    if (def && def !== this.data.defaultAvatar) {
      this.setData({ defaultAvatar: def })
    } else if (!this.data.defaultAvatar && def) {
      this.setData({ defaultAvatar: def })
    }
  },

  /** 配置晚于页面加载时，补全空头像 */
  ensureAvatars() {
    const def = getDefaultAvatar()
    if (!def) return
    const g = getApp().globalData
    const oss = g.ossImageUrl || ''
    const { rankList, topThree, restList } = this.data
    if (!rankList.length) {
      if (def !== this.data.defaultAvatar) this.setData({ defaultAvatar: def })
      return
    }
    const isValidUrl = (url) => {
      if (!url || typeof url !== 'string') return false
      if (url.startsWith('http://') || url.startsWith('https://')) return true
      return !!(oss && url.indexOf(oss) === 0)
    }
    const fix = (item) => ({
      ...item,
      avatar: isValidUrl(item.avatar) ? item.avatar : def,
    })
    this.setData({
      defaultAvatar: def,
      rankList: rankList.map(fix),
      topThree: topThree.map(fix),
      restList: restList.map(fix),
    })
  },

  applyRole(role, reload = true) {
    const meta = ROLE_META[role]
    wx.setNavigationBarTitle({ title: meta.title })
    this.setData({ currentRole: role, roleMeta: meta, sortLabel: meta.sortLabel })
    if (reload) this.fetchRankList()
  },

  onRoleTap(e) {
    const role = e.currentTarget.dataset.role
    if (!role || role === this.data.currentRole) return
    this.applyRole(role)
  },

  onDateTap(e) {
    const date = e.currentTarget.dataset.date
    if (!date || date === this.data.currentDate) return
    this.setData({ currentDate: date })
    this.fetchRankList()
  },

  onRefreshTap() {
    this.fetchRankList()
  },

  formatMoney(val) {
    const n = parseFloat(val)
    return Number.isNaN(n) ? '0.00' : n.toFixed(2)
  },

  formatInt(val) {
    const n = parseInt(val, 10)
    return Number.isNaN(n) ? '0' : String(n)
  },

  normalizeItem(raw, index, role) {
    const meta = ROLE_META[role]
    const app = getApp()
    const uid = raw.yonghuid || raw.uid || ''
    const nicheng = raw.nicheng || raw.nick || '用户'
    const def = getDefaultAvatar(app)
    const avatar = buildAvatar(raw.touxiang || raw.avatar, app) || def
    const metrics = meta.metrics.map((m) => {
      const v = raw[m.field]
      return {
        label: m.label,
        value: m.type === 'money' ? this.formatMoney(v) : this.formatInt(v),
      }
    })
    return {
      mingci: raw.mingci || index + 1,
      uid,
      nicheng,
      avatar,
      mainValue: this.formatMoney(raw[meta.sortField]),
      mainLabel: meta.sortLabel,
      metrics,
    }
  },

  async fetchRankList() {
    this.setData({ isLoading: true, isEmpty: false })
    try {
      const res = await request({
        url: '/yonghu/phbhqsj',
        method: 'POST',
        data: { shenfen: this.data.currentRole, riqi: this.data.currentDate },
      })
      const body = res?.data || {}
      const ok = body.code === 200 || body.code === 0
      let list = ok && body.data
        ? (body.data.list || body.data.paihang_list || body.data.rank_list || [])
        : []
      if (!Array.isArray(list)) list = []
      const role = this.data.currentRole
      const normalized = list.slice(0, 50).map((item, i) => this.normalizeItem(item, i, role))
      this.setData({
        rankList: normalized,
        topThree: normalized.slice(0, 3),
        restList: normalized.slice(3),
        isEmpty: normalized.length === 0,
        isLoading: false,
      })
      this.ensureAvatars()
    } catch (e) {
      console.error('排行榜加载失败', e)
      wx.showToast({ title: '加载失败', icon: 'none' })
      this.setData({ rankList: [], topThree: [], restList: [], isEmpty: true, isLoading: false })
    }
  },

  onAvatarError(e) {
    const { zone, index } = e.currentTarget.dataset
    const fallback = getDefaultAvatar()
    if (!fallback) return
    const key = zone === 'top' ? `topThree[${index}].avatar` : `restList[${index}].avatar`
    this.setData({ [key]: fallback })
  },

  registerNotificationComponent() {
    const app = getApp()
    const comp = this.selectComponent('#global-notification')
    if (comp?.showNotification) {
      app.globalData.globalNotification = {
        show: (d) => comp.showNotification(d),
        hide: () => comp.hideNotification(),
      }
    }
  },

  onShow() {
    this.syncDefaultAvatar()
    this.ensureAvatars()
    this.registerNotificationComponent()
  },
})