/**
 * @Description 时间转换为Long类型
 * @Author wh
 * @Date 2023/7/13 9:10
 */
export function DateToLong(val) {
    if (val == null || val == undefined || val == '' || val == 'null' || val == 'undefined') {
        return true;
    }
    //  .replace(/ 这里填要匹配的内容/g,'这里是要替换为的内容'）
    /*
    1. 替换-
    2. 替换:
    3. 替换空格
     */
    var temp = val.toString().replace(/\s/g, '').replace(/-/g, '').replace(/:/g, '')
    return temp;
}

function padLeftZero(str) {
    return ('00' + str).substr(str.length)
}

/**
 * @Description 20230712183150
 * 14 位时间 转为 yyyy-MM-dd HH:mm:ss
 * @Author wh
 * @Date 2023/7/13 9:21
 */
export function LongToDateTime(val) {
    if (val == null || val == undefined || val == '' || val == 'null' || val == 'undefined') {
        return true;
    }
    var temp = val.toString()
    // 年
    var y = temp.slice(0, 4);
    // 月
    var m = temp.slice(4, 6);
    // 日
    var d = temp.slice(6, 8);
    // 时
    var hh = temp.slice(8, 10);
    // 分
    var mm = temp.slice(10, 12);
    // 秒
    var ss = temp.slice(12, 14);
    var result = y + '-' + m + '-' + d + ' ' + hh + ':' + mm + ':' + ss
    return result;
}

export function LongToDate(val) {
    if (val == null || val == undefined || val == '' || val == 'null' || val == 'undefined') {
        return true;
    }
    var temp = val.toString()
    // 年
    var y = temp.slice(0, 4);
    // 月
    var m = temp.slice(4, 6);
    // 日
    var d = temp.slice(6, 8);
    var result = y + '-' + m + '-' + d
    return result;
}

export function formatDate(date, fmt) {
    try {
        if (!(date instanceof Date)) {
            date = new Date(date)
        }
        if (fmt == undefined || fmt == '') {
            fmt = 'yyyy-MM-dd hh:mm:ss'
        }
        if (/(y+)/.test(fmt)) {
            fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
        }
        const o = {
            'M+': date.getMonth() + 1,
            'd+': date.getDate(),
            'h+': date.getHours(),
            'm+': date.getMinutes(),
            's+': date.getSeconds()
        }
        for (const k in o) {
            if (new RegExp(`(${k})`).test(fmt)) {
                const str = o[k] + ''
                fmt = fmt.replace(RegExp.$1, RegExp.$1.length === 1 ? str : padLeftZero(str))
            }
        }
        return fmt
    } catch (e) {
        return '-'
    }
}

/**
 * 当前时间
 *  yyyy-MM-dd HH:mm:ss
 * @returns {string}
 */
export function formattedDate() {
    const date = new Date();
    const year = date.getFullYear();
    const month = (date.getMonth() + 1).toString().padStart(2, '0');
    const day = date.getDate().toString().padStart(2, '0');
    const hour = date.getHours().toString().padStart(2, '0');
    const minute = date.getMinutes().toString().padStart(2, '0');
    const second = date.getSeconds().toString().padStart(2, '0');
    return `${year}-${month}-${day} ${hour}:${minute}:${second}`;
}

/**
 * 当前日期
 *  yyyy-MM-dd
 * @returns {string}
 */
export function formattedDateDuan() {
    const date = new Date();
    const year = date.getFullYear();
    const month = (date.getMonth() + 1).toString().padStart(2, '0');
    const day = date.getDate().toString().padStart(2, '0');
    return `${year}-${month}-${day}`;
}

/**
 * 传入时间格式的时间，以当前时间为标准，返回距离当前时间之前
 */
export function timeago(date) { //dateTimeStamp是一个时间毫秒，注意时间戳是秒的形式，在这个毫秒的基础上除以1000，就是十位数的时间戳。13位数的都是时间毫秒。
  if (!date) {
    return
  }
  if (!(date instanceof Date)) {
    date = new Date(date.replace(/-/g, '/'))
  }

  var dateTimeStamp = date.getTime()

  var minute = 1000 * 60; //把分，时，天，周，半个月，一个月用毫秒表示
  var hour = minute * 60;
  var day = hour * 24;
  var week = day * 7;
  var halfamonth = day * 15;
  var month = day * 30;
  var now = new Date().getTime(); //获取当前时间毫秒
  var diffValue = now - dateTimeStamp; //时间差

  if (diffValue < 0) {
    return;
  }
  var minC = diffValue / minute; //计算时间差的分，时，天，周，月
  var hourC = diffValue / hour;
  var dayC = diffValue / day;
  var weekC = diffValue / week;
  var monthC = diffValue / month;
  var result = '';
  if (monthC >= 1 && monthC <= 3) {
    result = " " + parseInt(monthC) + "月前"
  } else if (weekC >= 1 && weekC <= 3) {
    result = " " + parseInt(weekC) + "周前"
  } else if (dayC >= 1 && dayC <= 6) {
    result = " " + parseInt(dayC) + "天前"
  } else if (hourC >= 1 && hourC <= 23) {
    result = " " + parseInt(hourC) + "小时前"
  } else if (minC >= 1 && minC <= 59) {
    result = " " + parseInt(minC) + "分钟前"
  } else if (diffValue >= 0 && diffValue <= minute) {
    result = "刚刚"
  } else {
    var datetime = new Date();
    datetime.setTime(dateTimeStamp);
    var Nyear = datetime.getFullYear();
    var Nmonth = datetime.getMonth() + 1 < 10 ? "0" + (datetime.getMonth() + 1) : datetime.getMonth() + 1;
    var Ndate = datetime.getDate() < 10 ? "0" + datetime.getDate() : datetime.getDate();
    var Nhour = datetime.getHours() < 10 ? "0" + datetime.getHours() : datetime.getHours();
    var Nminute = datetime.getMinutes() < 10 ? "0" + datetime.getMinutes() : datetime.getMinutes();
    var Nsecond = datetime.getSeconds() < 10 ? "0" + datetime.getSeconds() : datetime.getSeconds();
    result = Nyear + "-" + Nmonth + "-" + Ndate
  }
  return result;
}