var app = getApp()
var http = require('../../utils/request')

Page({
  data: {
    statusBarHeight: 44,
    loading: false,
    userProfile: null
  },

  onLoad: function () {
    var app = getApp()
    this.setData({ statusBarHeight: app.globalData.statusBarHeight })
  },

  onLogin: function () {
    var self = this
    self.setData({ loading: true })

    self.getWechatProfile().then(function (profile) {
      self.setData({ userProfile: profile })
      return app.doLogin()
    }).then(function () {
      return self.saveProfile()
    }).then(function () {
      self.setData({ loading: false })
      wx.switchTab({ url: '/pages/index/index' })
    }).catch(function (err) {
      self.setData({ loading: false })
      wx.showToast({ title: err.message || '登录失败', icon: 'none' })
    })
  },

  getWechatProfile: function () {
    return new Promise(function (resolve) {
      if (!wx.getUserProfile) {
        resolve(null)
        return
      }
      wx.getUserProfile({
        desc: '用于完善会员资料',
        success: function (res) {
          resolve(res.userInfo || null)
        },
        fail: function () {
          resolve(null)
        }
      })
    })
  },

  saveProfile: function () {
    var profile = this.data.userProfile || {}
    if (!profile.nickName && !profile.avatarUrl) return Promise.resolve()
    return this.updateProfile({
      nickname: profile.nickName || '',
      avatar: profile.avatarUrl || '',
      gender: profile.gender || 0
    })
  },

  updateProfile: function (payload) {
    return http.put('/api/v1/user/profile', payload).then(function () {
      return app.loadProfile()
    })
  },

  uploadAvatar: function (filePath) {
    var ext = 'jpg'
    var match = String(filePath).match(/\.([a-zA-Z0-9]+)$/)
    if (match && match[1]) ext = match[1].toLowerCase()
    var contentType = ext === 'png' ? 'image/png' : 'image/jpeg'
    return http.post('/api/v1/user/avatar/upload-url', {
      ext: ext,
      content_type: contentType
    }).then(function (data) {
      return new Promise(function (resolve, reject) {
        wx.uploadFile({
          url: data.upload_url,
          filePath: filePath,
          name: 'file',
          header: { 'Content-Type': contentType },
          success: function (res) {
            if (res.statusCode >= 200 && res.statusCode < 300) resolve(data.public_url)
            else reject({ message: '头像上传失败' })
          },
          fail: function () { reject({ message: '头像上传失败' }) }
        })
      })
    })
  },

  onGetPhoneNumber: function (e) {
    var self = this
    if (!e.detail || !e.detail.code) {
      wx.showToast({ title: '已跳过手机号授权', icon: 'none' })
      return
    }
    self.setData({ loading: true })
    app.doLogin().then(function () {
      return http.post('/api/v1/user/phone', { code: e.detail.code })
    }).then(function () {
      self.setData({ loading: false })
      wx.switchTab({ url: '/pages/index/index' })
    }).catch(function (err) {
      self.setData({ loading: false })
      wx.showToast({ title: err.message || '手机号授权失败', icon: 'none' })
    })
  }
})