import bus from './bus'

function padLeftZero(str: string): string {
  return ('00' + str).substr(str.length)
}



const util = {
  datetostr(d: string) {
    if (!d.endsWith('Z')) {
      d = d + 'Z'
    }
    let r = new Date(d)
    let delta = (new Date().getTime() - r.getTime()) / 1000
    if (delta < 0) {
    } else if (delta < 60) {
      return Math.floor(delta) + '秒前'
    } else if (delta < 3600) {
      return Math.floor(delta / 60) + '分钟前'
    } else if (delta < 86400) {
      return Math.floor(delta / 3600) + '小时前'
    }
    return r.toLocaleString()
  },
  randomNum(minNum: number, maxNum: number) {
    return Math.floor(Math.random() * maxNum) + minNum
  },
  goto(url: string) {
    window.open(url, '_blank')
  },
  title: function(title: string) {
    window.document.title = title ? title + ' - oa' : 'veypi project'
  },
  getCookie(name: string) {
    const reg = new RegExp('(^| )' + name + '=([^;]*)(;|$)')
    const arr = document.cookie.match(reg)
    if (arr) {
      return unescape(arr[2])
    } else return null
  },
  delCookie(name: string) {
    const exp = new Date()
    exp.setTime(exp.getTime() - 1)
    const cval = this.getCookie(name)
    if (cval !== null) {
      document.cookie = name + '=' + cval + ';expires=' + exp.toLocaleString()
    }
  },
  setCookie(name: string, value: string, time: number) {
    const exp = new Date()
    exp.setTime(exp.getTime() + time)
    document.cookie =
      name + '=' + escape(value) + ';expires=' + exp.toLocaleString()
  },
  getToken() {
    return localStorage.getItem('auth_token') || ''
  },
  setToken(t: string) {
    localStorage.setItem('auth_token', t)
    bus.emit('token', t)
  },
  addTokenOf(url: string) {
    return url + '?auth_token=' + encodeURIComponent(this.getToken())
  },
  checkLogin() {
    // return parseInt(this.getCookie('stat')) === 1
    return Boolean(localStorage.auth_token)
  },

  formatDate(date: Date, fmt: string) {
    if (/(y+)/.test(fmt)) {
      fmt = fmt.replace(
        RegExp.$1,
        (date.getFullYear() + '').substr(4 - RegExp.$1.length),
      )
    }
    const o = {
      'M+': date.getMonth() + 1,
      'd+': date.getDate(),
      'h+': date.getHours(),
      'm+': date.getMinutes(),
      's+': date.getSeconds(),
    }
    for (const k in o) {
      if (new RegExp(`(${k})`).test(fmt)) {
        // eslint-disable-next-line @typescript-eslint/ban-ts-ignore
        // @ts-ignore
        const str = o[k] + ''
        fmt = fmt.replace(
          RegExp.$1,
          RegExp.$1.length === 1 ? str : padLeftZero(str),
        )
      }
    }
    return fmt
  },
}

export default util