import { Message } from 'element-ui'
/**
 * Created by PanJiaChen on 16/11/18.
 */

/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if (typeof time === 'string') {
      if (/^[0-9]+$/.test(time)) {
        // support "1548221490638"
        time = parseInt(time)
      } else {
        // support safari
        // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
        time = time.replace(new RegExp(/-/gm), '/')
      }
    }

    if (typeof time === 'number' && time.toString().length === 10) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
    const value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') {
      return ['日', '一', '二', '三', '四', '五', '六'][value]
    }
    return value.toString().padStart(2, '0')
  })
  return time_str
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (('' + time).length === 10) {
    time = parseInt(time) * 1000
  } else {
    time = +time
  }
  const d = new Date(time)
  // const now = Date.now()

  // const diff = (now - d) / 1000

  // if (diff < 30) {
  //   return '刚刚'
  // } else if (diff < 3600) {
  //   // less 1 hour
  //   return Math.ceil(diff / 60) + '分钟前'
  // } else if (diff < 3600 * 24) {
  //   return Math.ceil(diff / 3600) + '小时前'
  // } else if (diff < 3600 * 24 * 2) {
  //   return '1天前'
  // }
  if (option) {
    return parseTime(time, option)
  } else {
    return (
      d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
    )
  }
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
  if (!search) {
    return {}
  }
  const obj = {}
  const searchArr = search.split('&')
  searchArr.forEach((v) => {
    const index = v.indexOf('=')
    if (index !== -1) {
      const name = v.substring(0, index)
      const val = v.substring(index + 1, v.length)
      obj[name] = val
    }
  })
  return obj
}

// 消息提醒
export function showMsg(msg, isSuccess = true, duration = 5000) {
  Message({
    message: msg || 'Error',
    type: isSuccess ? 'success' : 'error',
    duration: duration
  })
}

// 消息提醒
export function openConfirm(self, msg, success, cancel) {
  self
    .$confirm(msg, '提示', {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning'
    })
    .then(() => {
      if (success != null) {
        success()
      }
    })
    .catch(() => {
      if (cancel != null) {
        cancel()
      }
    })
}

// 生成 GUID 的方法
export function getGUID() {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
    var r = (Math.random() * 16) | 0
    var v = c === 'x' ? r : (r & 0x3) | 0x8
    return v.toString(16)
  })
}