using System.Runtime.InteropServices;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;
using System.IO;
#if UNITY_EDITOR
using UnityEditor;
#endif

[ExecuteInEditMode]
public class DShowMoviePlayer : MoviePlayerBase
{
    //////////////////////////////////////////////////////////////////////////    
    public bool LoadOnAwake = false;
    public bool PlayOnStart = false;

    [SerializeField]
    private bool Looping = false;

    [Range(0.0f,1.0f)]
    public float AudioVolume = 1.0f;

    DShowPlayer _player = null;
    public DShowPlayer player
    {
        get { if (_player == null) _player = new DShowPlayer(); return _player; }
    }
    bool should_ignore
    {
        get
        {
#if UNITY_EDITOR
            if (EditorApplication.isPlaying == false)
                return true;
#endif
            return false;
        }
    }

    private void Awake()
    {
        if (LoadOnAwake || should_ignore)
            Load(VideoAsset);

    }
    private void Start()
    {
        if (should_ignore)
        {
            Play();
            Pause();
        }
        else if (PlayOnStart)
        {
            Play();
        }
    }
    public void Load()
    {
        Load(VideoAsset);
    }
    public void Update()
    {
        if (IsLoaded == false)
            return;
        if (Loop != player.Loop)
            player.Loop = Loop;
        if (AudioVolume != player.AudioVolume)
            player.AudioVolume = AudioVolume;
        player.updateTexture();
    }
    private void OnDisable()
    {
        Pause();
    }
    private void OnDestroy()
    {
        player.release();
    }
    
    //////////////////////////////////////////////////////////////////////////
#region MoviePlayerBase
        
    // virtual function
    public override bool Load(DShowClip path)
    {
        VideoAsset = path;
        return player.Load(path);
    }
    public override void Play() { player.Play(); }
    public override void Pause(){ player.Pause(); }
    public override void Stop() { player.Stop(); }

    // virtual property
    public override bool Loop { set{Looping = value;}get{return Looping;}}
    public override Texture Texture      { get { return player.Texture; } }
    public override uint  Frame          { set { player.Frame = value; } get { return player.Frame; } }    
    public override bool  IsPaused       { get { return !player.IsPlaying; } }
    public override bool  IsLoaded       { get { return player.IsLoaded; } }
    public override bool  IsPlaying      { get { return player.IsPlaying; } }
    public override bool  IsFinished     { get { return player.IsFinished; } }
    public override uint  TotalNumFrames { get { return player.TotalNumFrames; } }
    public override float GetDuration    { get { return player.GetDuration; } }
    public override float GetCurrentTime { get { return player.GetCurrentTime; } }

#endregion
}