using asap.core;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Playables;
using UniRx;
public class WeatherEvent
{
    public int State;
    public bool IsPlay;
}
public class Weather : MonoBehaviour
{
    public PlayableDirector director;
    IDisposable disposable;
    private void Start()
    {
        director = GetComponent<PlayableDirector>();
        if (director != null)
        {
            director.playOnAwake = false;
            director.extrapolationMode = DirectorWrapMode.Hold;
            director.Stop();
            director.initialTime = 0; // Start at the end of the timeline
            director.Evaluate();
            disposable = GContext.OnEvent<WeatherEvent>().Subscribe(OnWeatherEvent);
        }
    }
    void OnWeatherEvent(WeatherEvent e)
    {
        e.IsPlay = true;
        StopAllCoroutines();
        if (e.State == 1)
        {
            //timeline正着播
            director.initialTime = 0; // Start at the end of the timeline
            director.Evaluate();
            director.playableGraph.GetRootPlayable(0).SetSpeed(1); // Set playback speed to forward
            director.Play();
        }
        else if (e.State == 2)
        {
            if (director.time > director.duration / 3)
            {
                //director.Evaluate();
                //director.playableGraph.GetRootPlayable(0).SetSpeed(-1); // Set playback speed to reverse
                //director.Play();
                StartCoroutine(PlayBackwards());
            }
            else
            {
                director.initialTime = 0; // Start at the end of the timeline
                director.Evaluate();
            }
        }
        else
        {
            director.initialTime = 0;
        }
    }
    IEnumerator PlayBackwards()
    {
        // Play the timeline backwards
        while (director.time > 0)
        {
            director.time -= Time.deltaTime;
            //director.Evaluate();
            yield return null;
        }
        director.Stop();
    }
    private void OnDestroy()
    {
        disposable?.Dispose();
        disposable = null;
    }
}