/**
 * Created by Lairai on 2018/1/14.
 */
public class Time {
    private int hour, minute;

    public Time(int hour, int minute) {
        this.hour = hour;
        this.minute = minute;
    }

    /**
     * @return the interval between two time point. Count by minute.
     */
    static public int getInterval(Time start, Time end) {
        return ( end.hour * 60 + end.minute ) - ( start.hour * 60 + start.minute );
    }

    public void increaseByMinute() {
        if (minute == 59) {
            minute = 0;
            if (hour != 23) ++hour;
            else hour = 0;
        } else {
            ++minute;
        }
    }

    public int getHour() {
        return hour;
    }

    public int getMinute() {
        return minute;
    }

    @Override
    public String toString() {
        return hour + " :"
                + (minute < 10 ? " 0" : " ")
                + minute;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        Time time = (Time) o;

        if (hour != time.hour) return false;
        return minute == time.minute;
    }

}