using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Playables;
using UnityEngine.SceneManagement;

public class CutscenePlayer : MonoBehaviour
{
    [SerializeField]
    private PlayableDirector _cutsceneToPlay;

    IEnumerator LoadSceneAfterDelay()
    {
        yield return new WaitForSeconds(5.0f);
        SceneManager.LoadSceneAsync(1, LoadSceneMode.Additive);
    }

    private void SceneUnloaded(Scene arg0)
    {
        StartCoroutine(LoadSceneAfterDelay());
    }

    IEnumerator RunAtEndOfFrame(System.Action action)
    {
        yield return new WaitForEndOfFrame();
        action();
    }

    private void SceneLoaded(Scene scene, LoadSceneMode mode)
    {
        if (!scene.name.Equals("Cutscene"))
            return;

        StartCoroutine(RunAtEndOfFrame(
        () =>
        {
            _cutsceneToPlay?.Play();
            System.Action<PlayableDirector> extraAction = null;

            extraAction = (_) =>
            {
                _cutsceneToPlay.stopped -= extraAction;
                SceneManager.UnloadSceneAsync(1);
            };

            _cutsceneToPlay.stopped += extraAction;
        }));
    }

    void Start()
    {
        StartCoroutine(LoadSceneAfterDelay());
    }

    private void OnEnable()
    {
        SceneManager.sceneLoaded += SceneLoaded;
        SceneManager.sceneUnloaded += SceneUnloaded;
    }

    private void OnDisable()
    {
        SceneManager.sceneLoaded -= SceneLoaded;
        SceneManager.sceneUnloaded -= SceneUnloaded;
    }
}