/**
 * Created by jiachenpan on 16/11/18.
 */

export function parseTime(time, cFormat) {
  if (arguments.length === 0) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if (('' + time).length === 10) time = parseInt(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(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key]
    if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
    return value || 0
  })
  return time_str
}

export function formatTime(time, option) {
  time = +time * 1000
  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'
  }
}

// 比较两个时间的差值
export function diffTime(startTime, endTime) {
  const d = new Date(startTime)
  const now = new Date(endTime)
  let diff = (now - d) / 1000
  let result = ''
  if (diff > 3600 * 24) {
    result += Math.ceil(diff / 3600 / 24) + '天'
    diff = diff % (3600 * 24)
  }
  if (diff > 3600) {
    result += Math.ceil(diff / 3600) + '小时'
    diff = diff % 3600
  }
  if (diff > 60) {
    result += Math.ceil(diff / 60) + '分钟'
    diff = diff % 60
  }
  result += Math.ceil(diff) + '秒'
  return result || '无'
}

/**
 * 验证手机号
 * @param str
 * @returns {boolean}
 */
export function checkMobile(rule, value, callback) {
  if (!value) {
    return callback(new Error('手机号不能为空'))
  }
  const re = /^1\d{10}$/
  if (re.test(value)) {
    callback()
  } else {
    callback(new Error('手机号格式错误'))
  }
}