const app = getApp()
export default {
  loading (title) {
    wx.showLoading({
      title: title || '加载中...',
      mask: true
    })
  },
  errorToast (title) {
    wx.showToast({
      title: title || '请先登录',
      icon: 'error'
    })
  },
  navigateTo (url,permissionTitle) { 
    if (url) {
      if (app.globalData.userInfo.login) {
        wx.navigateTo({
          url: 'url'
        })
      } else {
        wx.showToast({
          title: permissionTitle || '请先登录',
          icon: 'error'
        })        
      }
    } else {
      wx.showToast({
        title: '地址错误',
        icon: 'error'
      })
    }
  },
  loginAuth () {
    return app.globalData.userInfo.login
  },
  // UUID
  getUUID () {
    return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
      return (c === 'x' ? (Math.random() * 16 | 0) : ('r&0x3' | '0x8')).toString(16)
    })
  },
  randomStr (length = 16) {
    var res = ''
    var baseStr = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
    for (let index = 0; index < length; index++) {
      var random = parseInt(Math.random() * 26)
      res = res + baseStr[random]
    }
    return res
  }
}