using System.IO;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;

public class VideoTest : MonoBehaviour
{
    public GameObject VideoPlayerObject;
    VideoPlayer videoPlayer;
    public string VideoFileName = "test1.mp4";

    public bool ScriptPlaysVideoOnMouseDown = false;
    public bool ScriptStopsVideoOnMouseDown = false;
    public RawImage UIViewport;
    public bool UseAssetBundles = false;
    public AssetBundle VideoBundle;
    public VideoBundleLoader BundleLoader;

    private void Start()
    {
        videoPlayer = VideoPlayerObject.GetComponent<VideoPlayer>();
        if (UseAssetBundles && BundleLoader)
            VideoBundle = BundleLoader.VideoAssetBundle;
    }

    public void SetVideoFileName(string filename)
    {
        VideoFileName = filename;
    }

    void OnMouseDown()
    {
        if (ScriptPlaysVideoOnMouseDown)
        {
            PlayVideo();
        }
        else if (ScriptStopsVideoOnMouseDown)
        {
            StopVideo();
        }
        else
        {
            SetVideoUrlFromBundle();
        }
    }
    public void SetVideoUrl()
    {
        VideoFileName = Path.Combine(Application.streamingAssetsPath, "Video", VideoFileName);
        if (!File.Exists(VideoFileName))
        {
            Debug.LogError("Video not found: " + VideoFileName);
            VideoFileName = "";
        }
        else
        {
            videoPlayer.url = VideoFileName;
            videoPlayer.Stop();
            Debug.LogError("Set videoPlayer URL to " + VideoFileName);
        }
        //VideoPlayerObject.transform.localScale = new Vector3(videoPlayer.clip.width / 16 / 4, videoPlayer.clip.height / 16 / 4);
    }

    public void SetVideoUrlFromBundle()
    {
        if (VideoBundle == null)
        {
            Debug.Log("Failed to load VideoBundle!");
            return;
        }
        VideoClip clip = VideoBundle.LoadAsset<VideoClip>(VideoFileName);
        videoPlayer.clip = clip;
        videoPlayer.Stop();
        Debug.LogError("Loaded video from assetbundle: " + VideoBundle.name + " " + clip.name);
    }

    public void PlayVideo()
    {
        Debug.Log("Tried playing " + VideoFileName);
        videoPlayer.Play();
    }
    public void PlayUIVideo()
    {
        if (UIViewport)
        {
            videoPlayer.renderMode = VideoRenderMode.RenderTexture;
            //videoPlayer.Prepare();

            UIViewport.texture = videoPlayer.texture;
            videoPlayer.Play();
        }
    }
    public void StopVideo()
    {
        Debug.Log("Tried stopping playback of " + VideoFileName);
        if (videoPlayer.isPaused)
            videoPlayer.Stop();
        videoPlayer.Pause();
    }
}