using System;
using UnityEngine;
using UnityEngine.Video;
using DG.Tweening;

public class Promo : MonoBehaviour, IControlable
{
    [Header("Анимация")]
    [SerializeField] private RectTransform _panel;
    [SerializeField] private float _openedAnchorY;
    [SerializeField] private float _closedAnchorY;
    [SerializeField] private Ease _openEase;
    [SerializeField] private Ease _closeEase;
    [SerializeField] private float _openDuration;
    [SerializeField] private float _closeDuration;

    [Header("Видео")]
    [SerializeField] private VideoPlayer _videoPlayer;
    [SerializeField] private AudioSource _audioSource;

    [Header("Transit")]
    [SerializeField] MenuPromoTransit _menuPromoTransit;

    private Sequence _animation;

    public bool ControlsEnabled { get; set; }

    public void Open(Action callback)
    {
        KillActiveAnimation();
        ControlsEnabled = true;
        _audioSource.volume = SoundManager.instance.PromoVolume;
        _panel.gameObject.SetActive(true);
        _videoPlayer.Play();
        _videoPlayer.loopPointReached += VideoEnded;

        _animation = GetTransitionSequence(open: true);
        _animation.onComplete += () => callback?.Invoke();
        _animation.PlayForward();
    }

    private void VideoEnded(VideoPlayer source) 
        => _menuPromoTransit.GotoMenu();

    public void Close(Action callback)
    {
        ControlsPerformer.Instance.SetControlable(null);
        ControlsEnabled = false;
        KillActiveAnimation();

        _animation = GetTransitionSequence(open: false);
        _animation.onComplete += () =>
        {
            _videoPlayer.Stop();
            _panel.gameObject.SetActive(false);
            callback?.Invoke();
        };

        _animation.PlayForward();
    }

    private Sequence GetTransitionSequence(bool open)
    {
        float targetY = open ? _openedAnchorY : _closedAnchorY;
        float duration = open ? _openDuration : _closeDuration;
        Ease ease = open ? _openEase : _closeEase;

        Sequence seq = DOTween.Sequence();
        seq.Append(_panel.DOAnchorPosY(targetY, duration).SetEase(ease));

        return seq;
    }

    private void KillActiveAnimation()
    {
        if (_animation == null) 
            return;

        _animation.Kill();
        _animation = null;
    }

    public void UpdateControls()
    {
        if (In.AnyButton())
            _menuPromoTransit.GotoMenu();
    }
}