import { md5 } from "./MD5";
/**
 * 工具类
 * @author 袁浩、王锡铜
 */
export class Utils {
    private static md5Object;
    /**
    * md5方式加密字符串
    */
    public static md5(str: string): string {
        this.md5Object = this.md5Object || new md5();
        return this.md5Object.hex_md5(str);
    }
    /**
     * 复制文本到剪贴板
     */
    public static copy(message: string): void {
        var input = document.createElement("input");
        input.value = message;
        document.body.appendChild(input);
        input.select();
        input.setSelectionRange(0, input.value.length), document.execCommand('Copy');
        document.body.removeChild(input);
    }
    /**
     * 比较版本号，如果version1 > version2返回1，如果version1 < version2返回-1，否则返回0
     * @param version1 
     * @param version2 
     * @returns 
     */
    public static compareVersion(version1: string, version2: string) {
        var arr1: any[] = version1.split('.');
        var arr2: any[] = version2.split('.');
        //获取最大数组长度
        var maxLen = arr1.length > arr2.length ? arr1.length : arr2.length;
        for (let i = 0; i < maxLen; i++) {
            //转换数字
            var p1 = arr1[i] >> 0 || 0;
            var p2 = arr2[i] >> 0 || 0;
            if (p1 > p2) {
                return 1
            } else if (p1 < p2) {
                return -1
            }
        }
        return 0
    }
    /**
    * 判断是否是整型
    */
    public static isInteger(x: number): boolean {
        return x % 1 === 0;
    }
    /**
    * 判断是否是数组
    * */
    public static isArray(obj): boolean {
        return Object.prototype.toString.call(obj) === '[object Array]';
    }
    /**
     * 日期格式化
     * @param date 日期对象
     * @param formate 例：yyyy-MM-dd hh:mm:ss S
     * @returns 格式化后的日期字符串
     */
    public static formatDate(date: Date, formate: string = "yyyy-MM-dd hh:mm:ss"): string {
        var milliseconds = date.getMilliseconds().toString();
        while (milliseconds.length != 3) {
            milliseconds = "0" + milliseconds;
        }
        var o = {
            "M+": date.getMonth() + 1, //月份 
            "d+": date.getDate(), //日 
            "h+": date.getHours(), //小时 
            "m+": date.getMinutes(), //分 
            "s+": date.getSeconds(), //秒 
            "q+": Math.floor((date.getMonth() + 3) / 3), //季度 
            "S": milliseconds //毫秒 
        };
        if (/(y+)/.test(formate)) formate = formate.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
        for (var k in o)
            if (new RegExp("(" + k + ")").test(formate)) formate = formate.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
        return formate;
    }
    /**
     * 格式化倒计时
     * @author 王锡铜
     */
    public static formatCountDown(time: number, needDay: boolean = true, useCN: boolean = false): string {
        let ss = Math.floor(time / 1000);
        let day = Math.floor(ss / 3600 / 24);
        let h = Math.floor(ss / 3600 % 24) < 10 ? "0" + Math.floor(ss / 3600 % 24) : Math.floor(ss / 3600 % 24);
        let m = Math.floor(ss / 60 % 60) < 10 ? "0" + Math.floor(ss / 60 % 60) : Math.floor(ss / 60 % 60);
        let s = Math.floor(ss % 60) < 10 ? "0" + Math.floor(ss % 60) : Math.floor(ss % 60);
        let result = "";
        if (day > 0) {
            if (needDay) {
                result = day + "天" + h + (useCN ? "小时" : ":") + m + (useCN ? "分钟" : ":") + s + (useCN ? "秒" : "");
            } else {
                result = (day * 24 + Math.floor(ss / 3600 % 24)) + (useCN ? "小时" : ":") + m + (useCN ? "分钟" : ":") + s + (useCN ? "秒" : "");
            }
        } else if (h > 0) {
            result = h + (useCN ? "小时" : ":") + m + (useCN ? "分钟" : ":") + s + (useCN ? "秒" : "");
        } else {
            result = m + ((useCN ? "分钟" : ":")) + s+ (useCN ? "秒" : "");
        }
        return result;
    }
    /**
     * 获取随机数（左右闭区间）
     * @param min 最小值
     * @param max 最大值
     * @author 王锡铜
     */
    public static random_both(min: number, max: number): number {
        return min + Math.round(Math.random() * (max - min));
    }
    /**
     * 移除数组元素
     * @param array 数组
     * @param item 元素
     */
    public static removeArrayItem(array: any[], item: any) {
        var index = array.indexOf(item);
        (index != -1) && array.splice(index, 1);
    }
}