using TMPro;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.Serialization;

public class Timer : MonoBehaviour
{
    public UnityEvent OnTimerEnded;
    [FormerlySerializedAs("TimeLabel")] public TextMeshProUGUI timeLabel;

    [SerializeField, FormerlySerializedAs("restTime")] private float _restTime;
    [SerializeField] private AudioClip _warningSound;

    private bool _processing;
    private bool _recentlyPlayed;
    private float _lastSignalTime;

    private void Update()
    {
        if (_processing == false)
            return;

        UiDraw();
        _restTime -= Time.deltaTime;

        if (_restTime <= 0f)
        {
            _restTime = 0f;
            StopTimer();
            OnTimerEnded?.Invoke();
        }

        int rest = (int)_restTime;
        if (_recentlyPlayed == false && (rest % 60 == 0 || rest == 30 || rest < 11))
        {
            SoundManager.instance.PlaySfx(_warningSound);
            _recentlyPlayed = true;
            _lastSignalTime = Time.time;
        }

        if (_recentlyPlayed && Time.time - _lastSignalTime >= 1f)
            _recentlyPlayed = false;
    }

    public void SetupTimer(float seconds)
    {
        _restTime = seconds;
        UiDraw();
    }

    public void StartTimer()
        => _processing = true;

    public void StopTimer()
        => _processing = false;

    private void UiDraw()
    {
        string minutes = ((int)(_restTime / 60)).ToString();
        string seconds = ((int)(_restTime % 60)).ToString();

        if (minutes.Length < 2)
            minutes = "0" + minutes;

        if (seconds.Length < 2)
            seconds = "0" + seconds;

        timeLabel.text = minutes + ":" + seconds;
    }
}