import { request, redirectToLogin } from '../../utils/request'
import * as auth from '../../utils/auth'
import { PagedResult, ClosetShareItem } from '../../types/models'

Page({
  data: {
    tabs: [
      { name: '我的分享' },
      { name: '分享给我的' },
    ],
    activeTab: 0, // 0 我的分享 1 分享给我的
    list: [] as ClosetShareItem[],
    loading: true,
    page: 1,
    pageSize: 20,
    hasMore: true,
  },

  onShow() {
    this.syncTabBar()
    // 未登录直接回登录页（幂等跳转），不再发出必然 401 的请求
    if (!auth.isLoggedIn()) {
      redirectToLogin()
      return
    }
    this.refresh()
  },

  syncTabBar() {
    const tabBar = (this as any).getTabBar && (this as any).getTabBar()
    if (tabBar) tabBar.setData({ selected: 3 })
  },

  onTabTap(e: WechatMiniprogram.TouchEvent) {
    const index = Number(e.currentTarget.dataset.index)
    if (index === this.data.activeTab) return
    this.setData({ activeTab: index, list: [], loading: true })
    this.refresh()
  },

  refresh() {
    this.setData({ page: 1, hasMore: true, loading: this.data.list.length === 0 })
    this.fetchList(1)
  },

  onReachBottom() {
    if (!this.data.hasMore || this.data.loading) return
    this.fetchList(this.data.page + 1)
  },

  fetchList(page: number) {
    const url = this.data.activeTab === 0 ? '/closet-share' : '/closet-share/received'
    request<PagedResult<ClosetShareItem>>({ url, data: { page, page_size: this.data.pageSize } })
      .then((res) => {
        const list = res.list.map((it) => this.decorate(it))
        const merged = page === 1 ? list : this.data.list.concat(list)
        this.setData({
          list: merged,
          hasMore: merged.length < res.total,
          loading: false,
          page,
        })
      })
      .catch(() => this.setData({ loading: false }))
  },

  decorate(it: ClosetShareItem) {
    const now = Math.floor(Date.now() / 1000)
    let status = it.status
    if (status === 1 && it.expire_time > 0 && it.expire_time < now) status = 3

    let expireText = '长期有效'
    if (status === 2) expireText = '已取消'
    else if (status === 3) expireText = '已过期'
    else if (status === 4) expireText = '已封禁'
    else if (it.expire_time > 0) {
      const days = Math.ceil((it.expire_time - now) / 86400)
      expireText = days > 0 ? `${days} 天后过期` : '已过期'
    }

    return {
      ...it,
      _status: status,
      _expireText: expireText,
      _typeText: it.share_type === 1 ? '部分衣物' : '全量衣橱',
      _invalid: status === 2 || status === 3 || status === 4,
    }
  },

  onCreate() {
    wx.navigateTo({ url: '/pages/closet-share-create/closet-share-create' })
  },

  onItemTap(e: WechatMiniprogram.TouchEvent) {
    const uuid = e.currentTarget.dataset.uuid as string
    wx.navigateTo({ url: `/pages/closet-share-detail/closet-share-detail?uuid=${uuid}` })
  },
})