const request = require('../../utils/request')
const { resolveImageUrl, resolveImageList } = require('../../utils/media')

function addCacheVersion(url, version) {
  if (!url) {
    return ''
  }
  const joiner = url.includes('?') ? '&' : '?'
  return `${url}${joiner}v=${encodeURIComponent(version)}`
}

function normalizeAvatarState(userInfo) {
  const profileImages = resolveImageList(userInfo.profile_images)
  return {
    ...userInfo,
    avatar_url: resolveImageUrl(userInfo.avatar_url || ''),
    avatar_blur_url: resolveImageUrl(userInfo.avatar_blur_url || ''),
    profile_images: profileImages
  }
}

Page({
  data: {
    loading: false,
    userInfo: null,
    auditTextMap: {
      0: '未提交',
      1: '待审核',
      2: '已通过',
      3: '已驳回'
    }
  },

  onShow() {
    this.refreshFromCache()
    this.loadProfile(true)
  },

  async loadProfile(silent = false) {
    if (!silent) {
      this.setData({ loading: true })
    }
    try {
      const userInfo = await request({ url: '/users/me' })
      // 保护缓存中的头像：如果服务端返回空 avatar_url，保留缓存中的值
      const cached = wx.getStorageSync('profile_page_cache') || {}
      if (!userInfo.avatar_url && cached.avatar_url) {
        userInfo.avatar_url = cached.avatar_url
      }
      if (!userInfo.avatar_blur_url && cached.avatar_blur_url) {
        userInfo.avatar_blur_url = cached.avatar_blur_url
      }
      if ((!userInfo.profile_images || !userInfo.profile_images.length) && cached.profile_images && cached.profile_images.length) {
        userInfo.profile_images = cached.profile_images
      }
      this.applyUserInfo(userInfo)
      wx.setStorageSync('profile_page_cache', normalizeAvatarState(userInfo))
    } catch (err) {
      console.error('Load profile failed:', err)
      if (!this.data.userInfo) {
        this.setData({ userInfo: null })
      }
    } finally {
      if (!silent) {
        this.setData({ loading: false })
      }
    }
  },

  applyUserInfo(userInfo) {
    const avatarVersion = Date.now().toString()
    const normalized = normalizeAvatarState(userInfo)
    // 优先使用 avatar_url，其次使用 profile_images[0]
    const previewImage = normalized.avatar_url
      || (normalized.profile_images && normalized.profile_images.length ? normalized.profile_images[0] : '')
    this.setData({
      userInfo: {
        ...normalized,
        avatar_url: addCacheVersion(normalized.avatar_url, avatarVersion),
        avatar_blur_url: addCacheVersion(normalized.avatar_blur_url, avatarVersion),
        previewImage: addCacheVersion(previewImage, avatarVersion),
        nicknameText: normalized.nickname || '未设置昵称',
        auditStatusText: this.data.auditTextMap[normalized.audit_status] || '未知'
      }
    })
  },

  refreshFromCache() {
    const cached = wx.getStorageSync('profile_page_cache')
    if (cached) {
      this.applyUserInfo(cached)
    }
  },

  goEdit() {
    wx.navigateTo({ url: '/pages/profile-edit/profile-edit' })
  },

  goAudit() {
    wx.navigateTo({ url: '/pages/audit-status/audit-status' })
  },

  goMyActivities() {
    wx.navigateTo({ url: '/pages/my-activities/my-activities' })
  },

  goMyMatches() {
    wx.navigateTo({ url: '/pages/my-matches/my-matches' })
  }
})