const formatTime = 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(':')}`
}

const formatNumber = n => {
  n = n.toString()
  return n[1] ? n : `0${n}`
}

function checkFile(path) {
  let fs = wx.getFileSystemManager();
  fs.access({
    path: `${wx.env.USER_DATA_PATH}/usr/images/1.png`,
    success(res) {
      // 文件存在
      console.log("存在")
    },
    fail(res) {
      // 文件不存在或其他错误
      console.error(res)
    }
  })
}

function checkDir() {
  let fs = wx.getFileSystemManager()
  fs.access({
    path: `${wx.env.USER_DATA_PATH}/images`,
    success(res) {
      // 文件存在
      console.log(res)
      return;
    },
    fail(res) {
      console.log(res)
      // 文件不存在或其他错误
      fs.mkdir({
        dirPath: `${wx.env.USER_DATA_PATH}/images`,
        recursive: false,
        success(res) {
          console.log(res)
        },
        fail(res) {
          console.error(res)
        }
      })
    }
  })
}
module.exports = {
  formatTime,
  checkFile,
  checkDir
}