// 工具函数
// var object={} 对象
// var array=[] 数组


//数组去重
function uniqueInArray(arr) {
  if (Array.hasOwnProperty('from')) {
    return Array.from(new Set(arr));
  } else {
    var n = {},
      r = [];
    for (var i = 0; i < arr.length; i++) {
      if (!n[arr[i]]) {
        n[arr[i]] = true;
        r.push(arr[i]);
      }
    }
    return r;
  }
}

//数组去重
function unique(arr) {
  return Array.from(new Set(arr))
}

//数组对象去重
function uniqueArr(arr1) {
  const res = new Map();
  return arr1.filter((a) => !res.has(a.PumpId) && res.set(a.PumpId, 1))
}
//数组对象去重
function uniqueArrObj(arr1) {
  const res = new Map();
  return arr1.filter((a) => !res.has(a.GroupName) && res.set(a.GroupName, 1))
}

var SplitArray = function (N, Q) {
  var R = [],
    F;
  for (F = 0; F < Q.length;) R.push(Q.slice(F, F += N))
  return R
}


var ajax = {
  /** request解决异步问题 */
  request(url, data, method) {
    return new Promise((resolve, reject) => {
      wx.request({
        url: url,
        method: method,
        data: data,
        header: {
          'content-type': 'application/json'
        },
        success(res) {
          resolve(res.data)
        },
        fail(err) {
          reject(err)
        }
      })
    })

  },
  /**获取promise中的[[PromiseValue]]值 */
  promise_resolve(val) {
    var a = Promise.resolve(val);
    a.then(function (result) {
      result = result
      console.log(result, 111)
    })
  },
}

var compare = function (prop) {
  return function (obj1, obj2) {
    var val1 = obj1[prop];
    var val2 = obj2[prop];
    if (val1 < val2) {
      return -1;
    } else if (val1 > val2) {
      return 1;
    } else {
      return 0;
    }
  }
}

/**排序     pcompare用法:
 * array.sort(pcompare("RequestFormID"));  降序
 * array.sort(pcompare("RequestFormID"),value);  升序
 * value: undefined是降序 其它为升序
 * RequestFormID  数组里某个对象的key
 */
function pcompare(prop, rev) { // 第二个参数没有传递，默认升序排序
  if (rev === undefined) {
    rev = 1;
  } else {
    rev = rev ? 1 : -1;
  }
  return function (obj1, obj2) {
    var val1 = obj1[prop],
      val2 = obj2[prop];
    return val1 < val2 ? rev * (-1) : rev * 1;
  }
}



/**弹窗区 */
var popup = {
  showModal(title, content) {
    wx.showModal({
      title: title,
      content: content,
    })
  },
  showToast(title, icon, image, duration) {
    wx.showToast({
      title: title,
      icon: icon,
      duration: duration,
    })
  }
}

/** 日期区 */
var getNewDateArry = {
  //时间小于10补0
  withData(param) {
    return param < 10 ? '0' + param : '' + param;
  },

  // 当前时间的处理
  getNewDateArry() {
    var newDate = new Date();
    var year = this.withData(newDate.getFullYear()),
      mont = this.withData(newDate.getMonth() + 1),
      date = this.withData(newDate.getDate()),
      hour = this.withData(newDate.getHours()),
      minu = this.withData(newDate.getMinutes()),
      seco = this.withData(newDate.getSeconds());

    var listArray = {
      ymdhms: [year, mont, date, hour, minu, seco],
      ymdhm: [year, mont, date, hour, minu],
      ymdh: [year, mont, date, hour],
      ymd: [year, mont, date],
      ym: [year, mont],
      y: [year],
    }
    return listArray;
  },
}

var getRandom = {
  getRandom(max, min) {
    return Math.floor(Math.random() * (max - min + 1) + min)
  }
}

/**常用功能 */
var functions = {
  //01 截取字符串 val：需要截取的数据 start:起始下标为0 end:结束  截取0~n个字符
  sub(val, start, end) {
    var val = val;
    var val = val.substring(start, end);
    return val;
  },

  /**02 随机生成颜色*/
  getRandomColor() {
    const rgb = []
    for (let i = 0; i < 3; ++i) {
      let color = Math.floor(Math.random() * 256).toString(16)
      color = color.length == 1 ? '0' + color : color
      rgb.push(color)
    }
    return '#' + rgb.join('')
  },


  /**03 排序    pcompare用法:
   * array.sort(pcompare("RequestFormID"));  降序
   * array.sort(pcompare("RequestFormID"),value);  升序
   * value: undefined是降序 其它为升序
   * RequestFormID  数组里某个对象的key
   */
  pcompare(prop, rev) { // 第二个参数没有传递，默认升序排序
    if (rev === undefined) {
      rev = 1;
    } else {
      rev = rev ? 1 : -1;
    }
    return function (obj1, obj2) {
      var val1 = obj1[prop],
        val2 = obj2[prop];
      return val1 < val2 ? rev * (-1) : rev * 1;
    }
  },
}

function formatTime(date) {
  var year = date.getFullYear();
  var month = date.getMonth() + 1;
  var day = date.getDate();

  var hour = date.getHours();
  var minute = date.getMinutes();
  var second = date.getSeconds();


  return [year, month, day].map(formatNumber).join('-') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}

function formatDay(date) {
  var year = date.getFullYear();
  var month = date.getMonth() + 1;
  var day = date.getDate();

  return [year, month, day].map(formatNumber).join('-');
}
//年月日
function getDay(day,date) {
  var today = date ? new Date(date) : new Date();
  var targetday_milliseconds = today.getTime() + 1000 * 60 * 60 * 24 * day;
  today.setTime(targetday_milliseconds); 
  var tYear = today.getFullYear();
  var tMonth = today.getMonth();
  var tDate = today.getDate();
  tMonth = doHandleMonth(tMonth + 1);
  tDate = doHandleMonth(tDate);
  return tYear + "-" + tMonth + "-" + tDate;
}
function doHandleMonth(month) {
  var m = month;
  if (month.toString().length == 1) {
      m = "0" + month;
  }
  return m;
}

function GetNextDate(currentDate, scaleStep) {
  var currentDate = new Date(currentDate);
  if (scaleStep == 0)
    return currentDate;
  //scaleStep = 1 向后计算后一天
  //scaleStep = -1 向前计算前一天
  for (var minIncrements = 1;; minIncrements++) {
    var nextDate = new Date(currentDate);
    nextDate.setHours(currentDate.getHours() + scaleStep * minIncrements);
    if (nextDate.getDate() != currentDate.getDate()) {
      return nextDate;
    }
  }
}

function GetBeforeDate(n) {
  var now = new Date;
  now.setDate(now.getDate() - n);
  return now;
}

function formatNumber(n) {
  n = n.toString()
  return n[1] ? n : '0' + n
}





// 计算字符串长度（英文占一个字符，中文汉字占2个字符）
function strlen(str) {
  var len = 0;
  for (var i = 0; i < str.length; i++) {
    var c = str.charCodeAt(i);
    if ((c >= 0x0001 && c <= 0x007e) || (c >= 0xff60 && c <= 0xff9f)) {
      len++;
    } else {
      len += 2;
    }
  }
  return len;
}

var valueFormat = function (value) {
  var v = value.toString();
  var result = v;
  var decimalIndex = v.indexOf('.');
  if (decimalIndex != -1) {
    result = v.substring(decimalIndex + 1, v.length);
    if (result.length > 3) {
      v = parseFloat(value).toFixed("3");
      var str = v.toString();
      if (str.substr(str.length - 2, 2) == "00") {
        v = parseFloat(value).toFixed("1");
      } else if (str.substr(str.length - 1, 1) == "0") {
        v = parseFloat(value).toFixed("2");
      }
    }
  }
  return v;
}

function getUnitName(recordType, unit) {
  if (recordType == 5) {
    return "mm/s"
  } else if (recordType == 4) {
    return "°C"
  } else if (recordType == 1 || recordType == 2) {
    return "MPa"
  } else if (recordType == 3) { //泵流量
    return "m3/h"
  } else if (recordType == 6) { //泵转速
    return "rpm"
  } else if (recordType == 101) { //电机功率
    return "kW"
  } else if (recordType == 102) { //电机频率
    return "HZ"
  } else if (recordType == 104 || recordType == 105 || recordType == 106) { //电机线电流a
    return "A"
  } else if (recordType == 107 || recordType == 108 || recordType == 109) { //电机相电压a
    return "V"
  } else if (recordType == 905) { //水位
    return "m"
  } else {
    return ""
  }
}

function getRecordImage(recordType) {
  if (recordType == 5) {
    return "zdHL.png"
  } else if (recordType == 4) {
    return "wdHL.png"
  } else if (recordType == 1 || recordType == 2) {
    return "ylHL.png"
  } else if (recordType == 3) { //泵流量
    return "FlowHL.png"
  } else if (recordType == 6) { //泵转速
    return "SpeedHL.png"
  } else if (recordType == 101) { //电机功率
    return "PowerHL.png"
  } else if (recordType == 102) { //电机频率
    return "FrequencyHL.png"
  } else if (recordType == 104 || recordType == 105 || recordType == 106) { //电机线电流a
    return "CurrentHL.png"
  } else if (recordType == 107 || recordType == 108 || recordType == 109) { //电机相电压a
    return "VolHL.png"
  } else if (recordType == 905) { //水位
    return "HeightHL.png"
  } else {
    return "ylHL.png"
  }
}

function formatTimeUtil(template, date) {
  var today = date ? new Date(date) : new Date();
  var o = {
      "M+": today.getMonth() + 1,                 //月份
      "d+": today.getDate(),                    //日
      "h+": today.getHours(),                   //小时
      "m+": today.getMinutes(),                 //分
      "s+": today.getSeconds(),                 //秒
      "q+": Math.floor((today.getMonth() + 3) / 3), //季度
      "S": today.getMilliseconds()             //毫秒
  };
  var fmt = template;
  if (/(y+)/.test(fmt)) {
      fmt = fmt.replace(RegExp.$1, (today.getFullYear() + "").substr(4 - RegExp.$1.length));
  }

  for (var k in o) {
      if (new RegExp("(" + k + ")").test(fmt)) {
          fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
      }
  }
  return fmt;
}

module.exports = {
  formatTime: formatTime,
  formatTimeUtil:formatTimeUtil,
  formatDay: formatDay,
  getDay: getDay,
  getRecordImage: getRecordImage,
  getUnitName: getUnitName,
  valueFormat: valueFormat,
  GetNextDate: GetNextDate,
  GetBeforeDate: GetBeforeDate,
  pcompare: pcompare, //排序
  popup: popup,
  /**弹窗*/
  getNewDateArry: getNewDateArry,
  /** 日期 */
  functions: functions,
  /**常用功能 */
  ajax: ajax,

  getRandom: getRandom,
  uniqueInArray: uniqueInArray,
  unique: unique,
  compare: compare,
  uniqueArr: uniqueArr,
  SplitArray: SplitArray,
  uniqueArrObj: uniqueArrObj
}