import { injectPage } from '@jdmini/api'
const { getUserInfo } = require('../../utils/api.js')

const defaultAvatar = 'https://mmbiz.qpic.cn/mmbiz/icTdbqWNOwNRna42FI242Lcia07jQodd2FJGIYQfG0LAJGFxM4FbnQP6yfMxBgJ0F3YRqJCJ1aPAK2dQagdusBZg/0'

Page(injectPage({})({
  data: {
    isLoggedIn: false,
    userInfo: {},
    defaultAvatar: defaultAvatar,
    downloadCount: 0,
    inviteCount: 0,
    cacheSize: '0KB'
  },

  onShow() {
    this.checkLoginStatus()
    this.loadStats()
    this.calculateCacheSize()
  },

  onShareAppMessage() {
    const userId = wx.getStorageSync('userId')
    let path = '/pages/index/index'
    if (userId) {
      path += `?inviter=${userId}`
    }
    return {
      title: '儿童练习表 - 幼儿启蒙必备，快来一起学习吧！',
      path: path
    }
  },

  // 检查登录状态
  checkLoginStatus() {
    const userId = wx.getStorageSync('userId')
    const userInfo = wx.getStorageSync('userInfo') || {}

    if (userId) {
      this.setData({
        isLoggedIn: true,
        userInfo: userInfo
      })
      // 刷新用户信息
      this.refreshUserInfo(userId)
    } else {
      this.setData({
        isLoggedIn: false,
        userInfo: {}
      })
    }
  },

  // 刷新用户信息
  async refreshUserInfo(userId) {
    try {
      const res = await getUserInfo(userId)
      if (res.success) {
        const userInfo = {
          ...this.data.userInfo,
          nickname: res.data.nickname,
          avatar: res.data.avatar,
          points: res.data.points
        }
        this.setData({ userInfo })
        wx.setStorageSync('userInfo', userInfo)
      }
    } catch (error) {
      console.error('刷新用户信息失败:', error)
    }
  },

  // 加载统计数据
  loadStats() {
    try {
      const downloads = wx.getStorageSync('downloads') || []
      // 邀请数暂时从本地存储获取，实际应该从服务端获取
      const inviteCount = wx.getStorageSync('inviteCount') || 0

      this.setData({
        downloadCount: downloads.length,
        inviteCount: inviteCount
      })
    } catch (error) {
      console.error('加载统计失败:', error)
    }
  },

  // 计算缓存大小
  calculateCacheSize() {
    try {
      const res = wx.getStorageInfoSync()
      const usedSize = res.currentSize // KB
      let sizeStr = ''

      if (usedSize < 1024) {
        sizeStr = usedSize + 'KB'
      } else {
        sizeStr = (usedSize / 1024).toFixed(2) + 'MB'
      }

      this.setData({ cacheSize: sizeStr })
    } catch (error) {
      console.error('计算缓存大小失败:', error)
    }
  },

  // 跳转登录
  goLogin() {
    wx.setStorageSync('returnTo', {
      type: 'switchTab',
      url: '/pages/mine/mine'
    })
    wx.navigateTo({
      url: '/pages/login/login'
    })
  },

  // 跳转下载页面
  goDownloads() {
    wx.switchTab({
      url: '/pages/download/download'
    })
  },

  // 跳转积分明细
  goPointsLog() {
    if (!this.data.isLoggedIn) {
      this.goLogin()
      return
    }
    wx.showToast({
      title: '积分明细功能开发中',
      icon: 'none'
    })
  },

  // 清除缓存
  clearCache() {
    wx.showModal({
      title: '提示',
      content: '确定清除所有缓存吗？这将删除下载记录（不会退出登录）。',
      success: (res) => {
        if (res.confirm) {
          try {
            // 保存登录信息
            const userId = wx.getStorageSync('userId')
            const token = wx.getStorageSync('token')
            const userInfo = wx.getStorageSync('userInfo')

            // 清除下载的文件
            const downloads = wx.getStorageSync('downloads') || []
            const fs = wx.getFileSystemManager()

            downloads.forEach(item => {
              if (item.filePath) {
                try {
                  fs.unlinkSync(item.filePath)
                } catch (e) {
                  // 忽略文件不存在的错误
                }
              }
            })

            // 清除存储
            wx.clearStorageSync()

            // 恢复登录信息
            if (userId) {
              wx.setStorageSync('userId', userId)
              wx.setStorageSync('token', token)
              wx.setStorageSync('userInfo', userInfo)
            }

            this.setData({
              downloadCount: 0,
              inviteCount: 0,
              cacheSize: '0KB'
            })

            wx.showToast({
              title: '清除成功',
              icon: 'success'
            })
          } catch (error) {
            console.error('清除缓存失败:', error)
            wx.showToast({
              title: '清除失败',
              icon: 'none'
            })
          }
        }
      }
    })
  },

  // 退出登录
  logout() {
    wx.showModal({
      title: '提示',
      content: '确定退出登录吗？',
      success: (res) => {
        if (res.confirm) {
          wx.removeStorageSync('userId')
          wx.removeStorageSync('token')
          wx.removeStorageSync('userInfo')

          this.setData({
            isLoggedIn: false,
            userInfo: {}
          })

          wx.showToast({
            title: '已退出登录',
            icon: 'success'
          })
        }
      }
    })
  },

  // 关于我们
  about() {
    wx.showModal({
      title: '关于儿童练习表',
      content: '儿童练习表是一款专为幼儿设计的启蒙教育小程序，提供字母、数字、绘画、涂色等多种练习表，帮助孩子在快乐中学习成长。\n\n版本：v1.0.0',
      showCancel: false,
      confirmText: '确定'
    })
  }
}))