TimeTrackingStateMachineDemo

    public enum DayOfWeek
    {
        Sunday,
        Monday,
    }

    public enum TimeOfDay
    {
        Morning,
        Evening
        // I'm not sure if I like AfterSchool being a time of day. I might keep track of whether it is a school day separate from Time of day, and keep TimeOfDay to being specific times like Evening and morning. A bool isSchoolDay should suffice for now.
    }

    public class TimeTracker
    {
        // currentDay is private, but CurrentDay is a public getter. This means you can check the variable, but not change it.
        // The same is done for currentTime.
        private DayOfWeek currentDay;
        public DayOfWeek CurrentDay => currentDay;

        private TimeOfDay currentTime;
        public TimeOfDay CurrentTime => currentTime;
        // I didn't implement a month state, but I think you can figure it out.

        // I assume holidays will be added and I think a dayOfMonth counter would be useful for that. I also think the totalDays is something that would be tracked.
        // TODO: implement where they should increment.
        private int dayOfMonth = 0;
        private int totalDays = 0;

        // Constructor used to create the class. Give it the starting day, and time.
        public TimeTracker(DayOfWeek startDay, TimeOfDay startTime)
        {
            this.currentDay = startDay;
            this.currentTime = startTime;
        }

        public void AdvanceTime()
        {
            switch (currentTime)
            {
                case TimeOfDay.Morning:
                    AdvanceTimeFromMorning();
                    break;
                case TimeOfDay.Evening:
                    AdvanceTimeFromEvening();
                    break;
                default:
                    Debug.LogError("Current Time of day not defined.");
                    break;
            }
        }

        private void AdvanceTimeFromMorning()
        {
            // Advance time to evening.
            currentTime = TimeOfDay.Evening;
        }

        private void AdvanceTimeFromEvening()
        {
            currentTime = TimeOfDay.Morning;
            AdvanceDay();
        }

        private void AdvanceDay()
        {
            switch (currentDay)
            {
                case DayOfWeek.Sunday:
                    currentDay = DayOfWeek.Monday;
                    break;
                case DayOfWeek.Monday:
                    //currentDay = Tuesday that I didn't define.
                    break;
                default:
                    Debug.LogError("Current Time of day not defined.");
                    break;
            }
        }
    }