using System;
using UnityEngine;
using Utility;

public class TimeManager : MonoBehaviourSingleton<TimeManager>
{
    [SerializeField]
    private int _daysUntilRelease = 30;

    [SerializeField]
    private double _secondsPerDay = 48;

    [SerializeField]
    private double _dayTime = 0.0;

    [SerializeField] private Light _sun; 
    
    [SerializeField]
    private Weekday _currentWeekday;

    public int DaysLeft => _daysUntilRelease;
    
    public double DayTime => _dayTime;

    public TimeSpan TimeOfDay
    {
        get
        {
            double hour = _dayTime * 24.0;
            double minute = hour * 60;
            double seconds = minute * 60;
            
            return new TimeSpan((int)Math.Floor(hour), (int)Math.Floor(minute % 60), (int)Math.Floor(seconds % 60));
        }
    }

    [SerializeField, ShowOnly]
    private string stringgy;
    
    void Update()
    {
        if (GameManager.Instance.IsGameRunning)
        {
            UpdateTime();
            UpdateSun();
        }
    }
    
    void UpdateTime()
    {
        _dayTime += Time.deltaTime / _secondsPerDay;
        
        if (_dayTime >= 1.0)
        {
            _dayTime -= 1.0;
            _daysUntilRelease--;
            _currentWeekday = _currentWeekday.GetNext();
        }

        stringgy = TimeOfDay.ToString();
    }

    private void UpdateSun()
    {
        _sun.transform.rotation = Quaternion.Euler(new Vector3(Mathf.LerpAngle(-90, 60, (float)Math.Sin(_dayTime * Math.PI)), (float)(_dayTime * 360.0), 0));
    }
}