/* 
 * @Author: ddmt
 * @Date: 2024-9-29 20:50:12
 * @LastEditTime: 2024-9-30 0:13:12
 * @LastEditors: ddmt
 * @Description: ddmt-index file
 * @FilePath: /Tool/number.js
 */

//生成从minNum到maxNum的随机数
export function randomNum (minNum, maxNum) {
    switch (arguments.length) {
        case 1:
            return parseInt(Math.random() * minNum + 1, 10);
        case 2:
            return parseInt(Math.random() * (maxNum - minNum + 1) + minNum, 10);
        default:
            return 0;
    }
}


/*
 * 数组循环函数
 * @param {Array} arr 
 * @param {number} index 
 */
export function nextArray(arr, index) {
    index--;
    return arr.slice(index + 1, arr.length).concat(arr.slice(0, index + 1));
}

/*
 * 数组去重函数
 * @param {Array} arr 
 */
export function ArrayDeHeavy(arr) {
  let newArr = new Set();
  arr.forEach(item => {
    newArr.add(item);
  });
  return Array.from(newArr);
}


/*
 * 获取相对时间(中文)
 * @param {Date} date 
 */
export function getRelativeTime(date) {
    const now = new Date();
    const diffInSeconds = Math.floor((now.getTime() - date.getTime()) / 1000);
  
    if (diffInSeconds < 60) {
      return '刚刚';
    }
  
    const diffInMinutes = Math.floor(diffInSeconds / 60);
    if (diffInMinutes < 60) {
      return `${diffInMinutes}分钟前`;
    }
  
    const diffInHours = Math.floor(diffInMinutes / 60);
    if (diffInHours < 24) {
      return `${diffInHours}小时前`;
    }
  
    const diffInDays = Math.floor(diffInHours / 24);
    if (diffInDays < 30) {
      return `${diffInDays}天前`;
    }
  
    const diffInMonths = Math.floor(diffInDays / 30);
    if (diffInMonths < 12) {
      return `${diffInMonths}个月前`;
    }
  
    const diffInYears = Math.floor(diffInMonths / 12);
    if (diffInYears < 5) {
      return `${diffInYears}年前`;
    }
  
    return '很久以前';
  }