export class DateUtils {

    /**
     * 获取当前的时间
     */
    public static getNowTime_custom(): number {
        return (new Date()).getTime();
    }


    /**
     * 格式化时间获取：时分秒 00分00秒
     * @param {number} 时间戳差值s
     */
    public static formatTime2_custom(time: number): string {
        let str: string = "";

        let m: number = time / 60;
        m = parseInt(m + "");
        let s: number = time - m * 60;
        s = parseInt(s + "");

        if (m > 9) {
            str += m + "分";
        }
        else {
            str += "0" + m + "分";
        }
        if (s > 9) {
            str += s + "秒";
        }
        else {
            str += "0" + s + "秒";
        }
        return str;
    }

    /**
     * 格式化时间获取：时分秒 00:00
     * @param {number} 时间秒
     */
    public static formatTime3_custom(time: number): string {

        let str: string = "";

        let m: number = time / 60;
        m = parseInt(m + "");
        let s: number = time - m * 60;
        s = parseInt(s + "");

        if (m > 9) {
            str += m + ":";
        }
        else {
            str += "0" + m + ":";
        }
        if (s > 9) {
            str += s;
        }
        else {
            str += "0" + s;
        }
        return str;
    }





    /**
     * 格式化时间获取：时分秒 00:00:00
     * @param {number} 时间戳差值（ms）
     */
    public static formatTime_custom(time: number): string {
        let str: string = "";
        let h: number = time / 3600;
        h = parseInt(h + "");
        let m: number = (time - h * 3600) / 60;
        m = parseInt(m + "");
        let s: number = time - h * 3600 - m * 60;
        s = parseInt(s + "");
        if (h > 0) {
            str += h + ":";
        }
        if (m > 9) {
            str += m + ":";
        }
        else {
            str += "0" + m + ":";
        }
        if (s > 9) {
            str += s + "";
        }
        else {
            str += "0" + s;
        }
        return str;
    }






    /**
     * 使用时间返回所需要的字符串格式"2016年06月12日"
     * @param {number} 时间戳（ms）
     * @param {string} 返回格式，例如："yyyy年MM月dd日"
     * @return {string} 返回指点格式字符串
     * */
    public static millisecondsToDate_custom(time: number, fmt: string): string {
        const d: Date = new Date(time);
        const o: any = {
            "M+": d.getMonth() + 1,
            "d+": d.getDate(),
            "h+": d.getHours(),
            "H+": d.getHours(),
            "m+": d.getMinutes(),
            "s+": d.getSeconds(),
            "q+": Math.floor((d.getMonth() + 3) / 3),
            "S": d.getMilliseconds() //毫秒
        };
        const week: any = {
            "0": "\u65e5",
            "1": "\u4e00",
            "2": "\u4e8c",
            "3": "\u4e09",
            "4": "\u56db",
            "5": "\u4e94",
            "6": "\u516d"
        };
        if (/(y+)/.test(fmt)) {
            fmt = fmt.replace(RegExp.$1, (d.getFullYear() + "").substr(4 - RegExp.$1.length));
        }
        if (/(E+)/.test(fmt)) {
            fmt = fmt.replace(RegExp.$1, ((RegExp.$1.length > 1) ? (RegExp.$1.length > 2 ? "\u661f\u671f" : "\u5468") : "") + week[d.getDay() + ""]);
        }
        for (let 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;
    }

    /**
     * 将储存成为字符串的时间 转化成为date类型 
     * @param dateString date 通过toLocaleDateString()转化成的string 
     */
    public static convertDateFromString_custom(dateString) {
        if (dateString) {
            var arrData = dateString.split(" ");
            var sdate = arrData[0].split('/');
            var date = new Date(sdate[0], sdate[1] - 1, sdate[2]);
            return date;
        }
    }


    /**
     * 获取当前周的周一零点的时间戳
     */
    public static getMonTimeByNowTime_custom() {
        let now = new Date();
        let day = now.getDay();
        if (day == 0) {
            day = 7
        };
        now.setHours(0, 0, 0, 0);
        let monDate = new Date(now.getTime() - (day - 1) * 24 * 60 * 60 * 1000)
        let time = monDate.getTime();
        return time;
    }

    /**
     * 获取当前时间是否是同一天
     */
    public static isSameDay_custom(time1: number, time2: number = Date.now()) {
        let t1 = Number(time1);
        let t2 = Number(time2)
        if (t1 && t2) {
            let date1 = new Date(t1);
            let date2 = new Date(t2);
            let tick1 = date1.setHours(0, 0, 0, 0);
            let tick2 = date2.setHours(0, 0, 0, 0);
            //console.log("tick1: " + tick1, "  tick2: " + tick2);
            //console.log("time1: " + time1, "  time2: " + time2, "  是否同一天：", tick1 == tick2)
            return tick1 == tick2;
        }
        //console.log("time1: " + time1, "  time2: " + time2, "  是否同一天：", false)
        return false;
    }

    public static getMonthWeek_custom() {
        let nowDate = new Date();
        let aYear = nowDate.getFullYear();
        let bWeekDay = nowDate.getDay();
        let cDays = nowDate.getDate();

        let w = nowDate.getDay();
        let d = nowDate.getDate();
        return Math.ceil((d + 6 - w) / 7);
    }
    //获取时 分
    public static getHoursMinutes_custom() {
        let nowDate = new Date();

        let h = nowDate.getHours();
        let m = nowDate.getMinutes();
        let str = ''
        if (h > 9) {
            str += h + ":";
        }else{
            str += "0" + h + ":";
        }
        if (m > 9) {
            str += m + ":";
        }else {
            str += "0" + m;
        }
        
        return str
    }
}