using System;
using UnityEngine;
using UnityEngine.Playables;
using UnityEngine.Timeline;
using UnityEngine.Video;

[Serializable]
public class VideoPlayerClip : PlayableAsset, ITimelineClipAsset
{
    [Header("Video Settings")]
    public VideoClip videoClip;

    [Header("Playback Settings")]
    public float playbackSpeed = 1f;

    public ClipCaps clipCaps => ClipCaps.None;

    public override Playable CreatePlayable(PlayableGraph graph, GameObject owner)
    {
        var playable = ScriptPlayable<VideoPlayerBehaviour>.Create(graph);
        var behaviour = playable.GetBehaviour();
        
        behaviour.videoClip = videoClip;
        behaviour.playbackSpeed = playbackSpeed;
        
        return playable;
    }
    
    public override double duration
    {
        get
        {
            if (videoClip != null)
            {
                return (double)videoClip.length;
            }
            return 1.0;
        }
    }
}