using System;
using DG.Tweening;
using UnityEngine;
using UnityEngine.UI;

public sealed class ScreenTestPanel : MonoBehaviour, IControlable
{
    public event Action OnClosed;

    [SerializeField] private CanvasGroup _canvasGroup;
    [SerializeField] private Image _background;
    [SerializeField] private float _fadeDuration = 0.35f;
    [SerializeField] private float _rgbAnimationDuration = 5f;

    private Sequence _animation;

    public bool ControlsEnabled { get; set; }

    private void OnDisable()
    {
        _animation?.Kill();
        _animation = null;
        ControlsEnabled = false;
    }

    public void Open()
    {
        _animation?.Kill();
        transform.SetAsLastSibling();
        _canvasGroup.alpha = 0f;
        _canvasGroup.blocksRaycasts = true;
        _background.color = Color.red;
        ControlsEnabled = true;

        float colorStepDuration = _rgbAnimationDuration / 3f;
        _animation = DOTween.Sequence();
        _animation.Append(_canvasGroup.DOFade(1f, _fadeDuration).SetEase(Ease.OutCubic));
        _animation.Append(_background.DOColor(Color.green, colorStepDuration).SetEase(Ease.Linear));
        _animation.Append(_background.DOColor(Color.blue, colorStepDuration).SetEase(Ease.Linear));
        _animation.Append(_background.DOColor(Color.red, colorStepDuration).SetEase(Ease.Linear));
        _animation.Append(_canvasGroup.DOFade(0f, _fadeDuration).SetEase(Ease.InCubic));
        _animation.SetUpdate(true);
        _animation.OnComplete(Close);
        _animation.PlayForward();
    }

    public void UpdateControls()
    {
    }

    private void Close()
    {
        ControlsEnabled = false;
        _canvasGroup.blocksRaycasts = false;
        OnClosed?.Invoke();
    }
}