export const getDay = (dayCount, date) => {
  var today = date ? new Date(date) : new Date();
  var targetday_milliseconds = today.getTime() + 1000 * 60 * 60 * 24 * dayCount;
  today.setTime(targetday_milliseconds); //注意，这行是关键代码
  var tYear = today.getFullYear();
  var tMonth = today.getMonth() + 1;
  var tDate = today.getDate();
  tMonth = tMonth < 10 ? '0' + tMonth : tMonth;
  tDate = tDate < 10 ? '0' + tDate : tDate;
  return tYear + "-" + tMonth + "-" + tDate;
}

export const formatTime = (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;
}


/**
 * @author wys
 * @date 2022-11-24 11:28
 * @param {*} arr 
 * @returns arr
 */
export const uniqueArr = (arr)=>{
  return [...new Set(arr)]
}


/**
 * 深度Copy
 * @param {*} obj
 * @returns
 */
export const deepCopy = (obj) => {
  let type = Object.prototype.toString.call(obj);
  if (type == "[object Array]") {
    let backObj = [];
    for (let val of obj) {
      backObj.push(deepCopy(val));
    }
    return backObj;
  }
  if (type == "[object Object]") {
    let backObj = {};
    for (let key in obj) {
      if (obj.hasOwnProperty(key)) {
        backObj[key] = deepCopy(obj[key]);
      }
    }
    return backObj;
  }
  return obj;
};
/**
 * rgba转16进制
 */
export const rgbaToHexColor = (color) => {
  var values = color
    .replace(/rgba?\(/, "")
    .replace(/\)/, "")
    .replace(/[\s+]/g, "")
    .split(",");
  var a = parseFloat(values[3] || 1),
    r = Math.floor(a * parseInt(values[0]) + (1 - a) * 255),
    g = Math.floor(a * parseInt(values[1]) + (1 - a) * 255),
    b = Math.floor(a * parseInt(values[2]) + (1 - a) * 255);
  return (
    "#" +
    ("0" + r.toString(16)).slice(-2) +
    ("0" + g.toString(16)).slice(-2) +
    ("0" + b.toString(16)).slice(-2)
  );
};
/**
 * 改变颜色中rgba格式的透明度
 * @param {*} color 
 * @param {*} a 
 * @returns 
 */
export const rgbaChangeA = (color, a) => {
  return color.substring(0, color.lastIndexOf(",")) + ", " + a + ")";
};
/**
 * 获取数组中字段所有不重复的枚举值
 * @param {*} data 
 * @param {*} key 
 * @returns 
 */
export const getArrayValueEnum = (data, key) => {
  let arr = [];
  data.forEach(item => {
    arr.indexOf(item[key]) == -1 ? arr.push(item[key]) : "";
  })
  return arr;
}

export default {
  /**
   * 获取数组中字段所有不重复的枚举值
   * @param {*} data 
   * @param {*} key 
   * @returns 
   */
  getArrayValueEnum: function (data, key) {
    let arr = [];
    data.forEach(item => {
      arr.indexOf(item[key]) == -1 ? arr.push(item[key]) : "";
    })
    return arr;
  },
  rgbaChangeA: function (color, a) {
    return color.substring(0, color.lastIndexOf(",")) + ", " + a + ")";
  },
  deepCopy: function (obj) {
    let type = Object.prototype.toString.call(obj);
    if (type == "[object Array]") {
      let backObj = [];
      for (let val of obj) {
        backObj.push(deepCopy(val));
      }
      return backObj;
    }
    if (type == "[object Object]") {
      let backObj = {};
      for (let key in obj) {
        if (obj.hasOwnProperty(key)) {
          backObj[key] = deepCopy(obj[key]);
        }
      }
      return backObj;
    }
    return obj;
  },
  getArraySum: (data, key) => {
    let sum = 0;
    data.forEach((item) => {
      sum += item[key];
    });
    return sum;
  },
  getArrayValueEnum: (data, key) => {
    let arr = [];
    data.forEach(item => {
      arr.indexOf(item[key]) == -1 ? arr.push(item[key]) : "";
    })
    return arr;
  }
}