using UnityEngine;
using UnityEngine.Video;
using System.Collections;

public class VideoAutoVisibilityController : MonoBehaviour
{
    [SerializeField] private GameObject targetObject;
    [SerializeField] private VideoPlayer videoPlayer;
    [SerializeField] private bool isVisibleOnStart = true;
    [SerializeField] private float hideDelaySeconds = 3f;

    private bool isVideoPlaying;
    private bool isLooking;
    private Coroutine hideRoutine;

    private void Awake()
    {
        if (targetObject != null)
        {
            targetObject.SetActive(isVisibleOnStart);
        }
    }

    private void Start()
    {
        if (videoPlayer != null)
        {
            isVideoPlaying = videoPlayer.isPlaying;
        }
    }

    private void OnEnable()
    {
        if (videoPlayer == null)
            return;

        videoPlayer.started += OnVideoStarted;
        videoPlayer.loopPointReached += OnVideoEnded;
        videoPlayer.errorReceived += OnVideoError;
    }

    private void OnDisable()
    {
        if (videoPlayer != null)
        {
            videoPlayer.started -= OnVideoStarted;
            videoPlayer.loopPointReached -= OnVideoEnded;
            videoPlayer.errorReceived -= OnVideoError;
        }

        StopHideRoutine();
    }

    public void Show()
    {
        isLooking = true;
        StopHideRoutine();

        if (targetObject != null && !targetObject.activeSelf)
        {
            targetObject.SetActive(true);
        }
    }

    public void HideDelayed()
    {
        isLooking = false;

        if (isVideoPlaying)
            return;

        ScheduleHide();
    }

    private void OnVideoStarted(VideoPlayer vp)
    {
        isVideoPlaying = true;
        StopHideRoutine();

        if (targetObject != null && !targetObject.activeSelf)
        {
            targetObject.SetActive(true);
        }
    }

    private void OnVideoEnded(VideoPlayer vp)
    {
        isVideoPlaying = false;
        ScheduleHide();
    }

    private void OnVideoError(VideoPlayer vp, string message)
    {
        isVideoPlaying = false;
        ScheduleHide();
    }

    public void OnVideoStopped()
    {
        isVideoPlaying = false;
        ScheduleHide();
    }

    private void ScheduleHide()
    {
        if (targetObject == null)
            return;

        StopHideRoutine();
        hideRoutine = StartCoroutine(HideAfterDelay());
    }

    private IEnumerator HideAfterDelay()
    {
        yield return new WaitForSeconds(hideDelaySeconds);

        if (!isVideoPlaying)
        {
            targetObject.SetActive(false);
        }

        hideRoutine = null;
    }

    private void StopHideRoutine()
    {
        if (hideRoutine != null)
        {
            StopCoroutine(hideRoutine);
            hideRoutine = null;
        }
    }
}