package com.gh.common.util;

public class SpeedUtils {

    public static String getSpeed(long kSpeed) {
        if (kSpeed >= 1000) {
            float mSpeed = kSpeed / 1024f;
            String str = String.valueOf(mSpeed);
            if (str.length() > 4) {
                str = str.substring(0, 4);
            }
            return str + "MB/s";
        }
        return kSpeed + "KB/s";
    }

    public static String getRemainTime(long totalSize, long currentSize, long speed) {
        long remainSize = totalSize - currentSize;
        long remainTime;
        if (speed != 0) {
            remainTime = remainSize / speed;
        } else {
            return "0分0秒";
        }
        int hour = (int) (remainTime / 3600);
        remainTime = (remainTime - hour * 3660);
        int minute = (int) (remainTime / 60);
        int second = (int) (remainTime - minute * 60);
        if (hour != 0) {
            return hour + "时" + minute + "分" + second + "秒";
        } else if (minute != 0) {
            return minute + "分" + second + "秒";
        } else {
            return second + "秒";
        }
    }

    public static String getRemainSecondTime(long totalSize, long currentSize, long speed) {
        long remainSize = totalSize - currentSize;
        long remainTime;
        if (speed != 0) {
            remainTime = remainSize / speed;
        } else {
            return "-s";
        }
        int hour = (int) (remainTime / 3600);
        remainTime = (remainTime - hour * 3660);
        int minute = (int) (remainTime / 60);
        int second = (int) (remainTime - minute * 60);
        return second + "s";
    }

}