using UnityEngine;
using UnityEngine.Events;
using TMPro;

public class CountdownController : MonoBehaviour
{
    [SerializeField] private int _count = 3;
    [SerializeField] private TMP_Text _countdownLabel;
    [SerializeField] private string _countdownFinishText = "Go!";

    public UnityEvent OnCountdownFinish;

    void Start()
    {
        _countdownLabel.SetText(_count.ToString());
        InvokeRepeating(nameof(Countdown), 1f, 1f);
    }

    private void Countdown()
    {
        _countdownLabel.SetText((--_count == 0) ? _countdownFinishText : _count.ToString());
        if (_count == 0)
        {
            CancelInvoke();
            Invoke(nameof(DisableCountdown), 1f);
        }
    }

    private void DisableCountdown()
    {
        _countdownLabel.gameObject.SetActive(false);
        OnCountdownFinish?.Invoke();
        Destroy(this);
    }
}