TimeManager - Part 40

using System;
using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.Events;

public class TimeManager : MonoBehaviour
{
    public static TimeManager Instance { get; set; }

    public UnityEvent OnDayPass = new UnityEvent(); // Day Passed Event
    public enum Month
    {
        March,
        April,
        May,
        June,
        July,
        August,
        September,
        October,
        November,
        December,
        January,
        February
    } // 3 months per season 28 days per month so multiply that by 3 for season length
    public enum Season
    {
        Spring,
        Summer,
        Autumn,
        Winter
    }

    public Season currentSeason = Season.Spring;
    public Month currentMonth = Month.March;

    public int daysPerMonth = 28;
    public int daysPerSeason = 84;

    private int daysInCurrentSeason = 1;
    private int daysInCurrentMonth = 1;

    public enum DayOfWeek
    {
        Monday,
        Tuesday,
        Wednesday,
        Thursday,
        Friday,
        Saturday,
        Sunday
    }

    public DayOfWeek currentDayOfWeek = DayOfWeek.Monday;

    private void Awake()
    {
        if (Instance != null && Instance != this)
        {
            Destroy(gameObject);
        }
        else
        {
            Instance = this;
        }
    }

    public int dayInGame = 1;

    public int yearInGame = 0;

    public TextMeshProUGUI dayUI;

    private void Start()
    {
        daysPerSeason = daysPerMonth * 3;
        UpdateUI();
    }

    public void TriggerNextDay()
    {
        dayInGame += 1;
        daysInCurrentSeason += 1; daysInCurrentMonth += 1;

        currentDayOfWeek = (DayOfWeek)(((int)currentDayOfWeek + 1) % 7);

        if (daysInCurrentSeason > daysPerSeason)
        {
            // Switch to next season
            daysInCurrentSeason = 1;
            currentSeason = GetNextSeason();
        }

        if (daysInCurrentMonth > daysPerMonth)
        {
            // Switch to next month
            daysInCurrentMonth = 1;
            currentMonth = GetNextMonth();
        }

        UpdateUI();

        OnDayPass.Invoke();
    }

    private Season GetNextSeason()
    {
        int currentSeasonIndex = (int)currentSeason;
        int nextSeasonIndex = (currentSeasonIndex + 1) % 4;

        // Increase Year by one
        if (nextSeasonIndex == 0)
        {
            yearInGame += 1;
        }

        return (Season)nextSeasonIndex;
    }
    private Month GetNextMonth()
    {
        int currentMonthIndex = (int)currentMonth;
        int nextMonthIndex = (currentMonthIndex + 1) % 12;

        return (Month)nextMonthIndex;
    }
    private void UpdateUI()
    {
        dayUI.text = $"{currentSeason}: {currentDayOfWeek}, {currentMonth} {daysInCurrentMonth}"; //Summer: Monday, August 1
    }
}