import dayjs from 'dayjs'
import Navi from './navi'

/**
 * 手机号码*加密函数
 * @param {string} phone 电话号
 * @returns
 */
export const phoneEncryption = (phone: string) => {
  return phone.replace(/(\d{3})\d{4}(\d{4})/, '$1****$2')
}

// 内置手机号正则字符串
export const innerPhoneReg = '^1(?:3\\d|4[4-9]|5[0-35-9]|6[67]|7[0-8]|8\\d|9\\d)\\d{8}$'

export const formatTime = (date: Date) => {
  const year = date.getFullYear()
  const month = date.getMonth() + 1
  const day = date.getDate()
  const hour = date.getHours()
  const minute = date.getMinutes()
  const second = date.getSeconds()

  return (
    [year, month, day].map(formatNumber).join('/') +
    ' ' +
    [hour, minute, second].map(formatNumber).join(':')
  )
}

export const formatNumber = (n: number) => {
  const s = n.toString()
  return s[1] ? s : '0' + s
}

export const delay = (millionseconds: number) => {
  return new Promise<void>((resolve) => setTimeout(() => resolve(), millionseconds))
}

export const obj2Params = (obj: Record<string, string>, encode = false) => {
  const result: string[] = []
  if (obj) {
    Object.keys(obj).forEach((key) =>
      result.push(`${key}=${encode ? encodeURIComponent(obj[key]) : obj[key]}`),
    )
  }

  return result.join('&')
}

export const clearUser = () => {
  wx.removeStorageSync('__uvx')
}

export const getUser = () => {
  const info = wx.getStorageSync('__uvx')
  if (info && info.length > 0) {
    const user = JSON.parse(info) as OpenUserInfo
    const now = dayjs()
    const exp = dayjs(user.expiration)
    if (now.isAfter(exp)) {
      clearUser()
    } else {
      return {
        avatarUrl:
          user.avatar && user.avatar.length > 0 ? user.avatar : '/assets/navbar/avatar.png',
        nickName: user.name,
        phoneNumber: user.phone,
      }
    }
  }
  return null
}

export const updateAvatar = (obj: string) => {
  const info = wx.getStorageSync('__uvx')
  if (info && info.length > 0) {
    const user = JSON.parse(info) as OpenUserInfo
    const now = dayjs()
    const exp = dayjs(user.expiration)
    if (now.isAfter(exp)) {
      clearUser()
    } else {
      user.avatar = obj
      wx.setStorageSync('__uvx', JSON.stringify(user))
    }
  }
  return null
}

export const updateName = (obj: string) => {
  const info = wx.getStorageSync('__uvx')
  if (info && info.length > 0) {
    const user = JSON.parse(info) as OpenUserInfo
    const now = dayjs()
    const exp = dayjs(user.expiration)
    if (now.isAfter(exp)) {
      clearUser()
    } else {
      user.name = obj
      wx.setStorageSync('__uvx', JSON.stringify(user))
    }
  }
  return null
}

export const getSign = () => {
  const info = wx.getStorageSync('__uvx')
  if (info && info.length > 0) {
    const user = JSON.parse(info) as OpenUserInfo
    const now = dayjs()
    const exp = dayjs(user.expiration)
    if (now.isAfter(exp)) {
      clearUser()
    } else {
      return user.signature
    }
  }
  return null
}

export const isLogin = () => {
  const info = wx.getStorageSync('__uvx')
  if (info && info.length > 0) {
    const user = JSON.parse(info) as OpenUserInfo
    const now = dayjs()
    const exp = dayjs(user.expiration)
    if (now.isAfter(exp)) {
      clearUser()
    } else {
      return true
    }
  }
  return false
}

export const backPage = () => {
  const pages = getCurrentPages() //获取小程序页面栈
  // const beforePage = pages[pages.length - 2] //获取上个页面的实例对象
  // beforePage.research(keyword) //触发上个页面自定义的shuaxin方法
  if (pages.length > 1) {
    wx.navigateBack({
      delta: 1,
    })
    return
  } else {
    Navi.switchTab({ url: '/pages/index/index' })
  }
}

export const rpxToPx = (rpx: string) => {
  return (Number(rpx.toString().replace(/rpx$/gi, '')) * wx.getSystemInfoSync().windowWidth) / 750
}

export const getCurrentUrl = () => {
  const pages = getCurrentPages() //获取加载的页面
  const currentPage = pages[pages.length - 1] //获取当前页面的对象
  let query = Object.keys(currentPage.options)
    .map((o) => {
      const obj = currentPage.options[o]
      return `${o}=${obj}`
    })
    .join('&')
  query = query && query.length > 0 ? '?' + query : ''
  const url = currentPage.route + query //当前页面url
  return url
}

export const saveToAlbum = (url: string) => {
  return new Promise<Number>((resove) => {
    wx.authorize({
      scope: 'scope.writePhotosAlbum', // 请求保存到相册的授权
      success() {
        console.log('success')
        // 用户同意授权，继续下一步操作
        wx.downloadFile({
          url: url,
          success(res) {
            if (res.statusCode === 200) {
              // 下载成功，保存到相册
              wx.saveImageToPhotosAlbum({
                filePath: res.tempFilePath,
                success() {
                  resove(0)
                  wx.showToast({
                    title: '已保存相册',
                    icon: 'success',
                    duration: 2000,
                  })
                },
                fail(error) {
                  resove(3)
                  // 保存失败，可提示用户重新尝试
                  console.error(error)
                },
              })
            } else {
              // 下载失败，可提示用户重新尝试
              console.error('下载失败', res.statusCode)
            }
          },
          fail(error) {
            resove(2)
            // 下载失败，可提示用户重新尝试
            console.error('下载失败', error)
          },
        })
      },
      fail() {
        resove(1)
        console.log('faile')
        // 用户拒绝授权，可以提示用户去设置页面打开授权
      },
    })
  })
}