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 beforeDay(day, format) {
  var date = new Date()
  var formateArr = ['Y', 'M', 'D', 'h', 'm', 's'];
  var returnArr = [];
  returnArr.push(date.getFullYear());
  returnArr.push(formatNumber(date.getMonth() + 1));
  returnArr.push(formatNumber(date.getDate() - day));
  returnArr.push(formatNumber(date.getHours()));
  returnArr.push(formatNumber(date.getMinutes()));
  returnArr.push(formatNumber(date.getSeconds()));
  for (var i in returnArr) {
    format = format.replace(formateArr[i], returnArr[i]);
  }
  return format;
}

function formatDate(date, format) {
  var formateArr = ['Y', 'M', 'D', 'h', 'm', 's'];
  var returnArr = [];
  returnArr.push(date.getFullYear());
  returnArr.push(formatNumber(date.getMonth() + 1));
  returnArr.push(formatNumber(date.getDate()));
  returnArr.push(formatNumber(date.getHours()));
  returnArr.push(formatNumber(date.getMinutes()));
  returnArr.push(formatNumber(date.getSeconds()));
  for (var i in returnArr) {
    format = format.replace(formateArr[i], returnArr[i]);
  }
  return format;
}

function json2Form(json) {
  var str = [];
  for (var p in json) {
    str.push(encodeURIComponent(p) + "=" + encodeURIComponent(json[p]));
  }
  return str.join("&");
}

function isEmpty(val) {
  return typeof val === 'undefined' || val === '' || val === null
}

function showTip(content) {
  wx.showModal({
    content: content,
    showCancel: false
  })
}

function showToast(content) {
  if(isEmpty(content)){
    return
  }
  wx.showToast({ title: content, icon: 'none' });
}

function extend(obj) {
  var o = {},
    attr = Array.prototype.slice.call(arguments).slice(1);
  attr.forEach(function (val, index) {
    if (val in obj) { o[val] = obj[val]; }
  });
  return o;
}

function playDing() {
  const innerAudioContext = wx.createInnerAudioContext();//新建一个createInnerAudioContext();
  innerAudioContext.autoplay = true;//音频自动播放设置
  innerAudioContext.src = '/assets/raw/ptt_playfinish.mp3';//链接到音频的地址
  innerAudioContext.onPlay(() => { });//播放音效
  innerAudioContext.onError((res) => {//打印错误
    console.log(res.errMsg);//错误信息
    console.log(res.errCode);//错误码
  })
}

function showBackToast(content) {
  if (isEmpty(content)) {
    return
  }
  wx.showToast({
    title: content,
    icon: 'none',
    duration: 1000,
    success: function () {
      setTimeout(function () {
        wx.navigateBack()
      }, 1000)
    }
  })
}

/* 验证手机号 */
function checkPhone(phone) {
  var re = /^1\d{10}$/
  return re.test(phone) && phone.length === 11
}

module.exports = {
  isEmpty: isEmpty,
  extend: extend,
  formatTime: formatTime,
  beforeDay: beforeDay,
  formatDate: formatDate,
  json2Form: json2Form,
  showToast: showToast,
  showTip: showTip,
  playDing: playDing,
  showBackToast: showBackToast,
  checkPhone: checkPhone
}