using UnityEngine;
using System.Collections;

public class MovieBillboard : MonoBehaviour {

    private MovieTexture slide;
    Renderer ren;
    Transform player;

    public string fileName = "BombFactory.ogg";
    bool downloaded = false;

	void Awake () {
        player = GameObject.FindGameObjectWithTag("Player").transform;
        ren = transform.GetComponentInChildren<Renderer>();
        
        this.useGUILayout = false;

        InvokeRepeating("CheckPlayerDistance", 5, 5);
        StartCoroutine(StreamMovie());
	}



    IEnumerator StreamMovie(){
        /*string extra = "Movies/";
        if (Application.isWebPlayer)
        {
            extra = Application.dataPath + "/Movies/";
        }

#if UNITY_EDITOR
        extra = "Movies/";
#endif*/
        


        string url = "file://"+fileName;
        if (Application.isWebPlayer)
        {
            url = Application.dataPath+"/"+  fileName;
        }
        Debug.Log("About to stream: "+url);
        WWW www = new WWW(url);
        while (!www.isDone)
        {
            yield return 0;
        }
        if (www.error!=null)
        {
            Debug.LogError("Movie DL error:"+www.error);
            yield break;
        }
        Debug.Log("Veder "+url+" "+www.error);
        MovieTexture movieTexture = www.movie;
        while (!movieTexture.isReadyToPlay)
        {
            yield return 0;

        }

        ren.materials[1].mainTexture = slide = movieTexture;
        slide.loop = true;
        downloaded = true;
        Debug.Log("Downloaded " + url);
    }


    void OnGUI()
    {
        if (!downloaded) return;
        if (visible)
        {
            if (Time.frameCount <= 5) displayPercent = 1;
            displayPercent += Time.deltaTime * 3;
        }
        else if (displayPercent > 0)
        {
            displayPercent -= Time.deltaTime * 3;                  
        }

        if (displayPercent > 0)
        {
            displayPercent = Mathf.Clamp01(displayPercent);
            float w = Screen.width * displayPercent;
            float h = Screen.height * displayPercent;
            Rect rect = new Rect((Screen.width / 2 - w / 2), (Screen.height / 2 - h / 2), w, h);
            GUI.DrawTexture(rect, slide, ScaleMode.ScaleToFit);
        }
    }

    private bool visible = false;
    private float displayPercent = 0;

    void OnTriggerEnter (Collider other ) {
        if (downloaded && other.transform.tag == "Player")
        {
            //slide.audioClip.
            displayPercent = 0;
            visible = true;
        }
    }
    void OnTriggerExit(Collider other)
    {
        if (downloaded && other.transform.tag == "Player")
        {
         //   slide.Pause();
            visible = false;
        }
    }




    void CheckPlayerDistance()
    {
        if (!downloaded) return;
        if (Vector3.Distance(transform.position, player.position) <= 20)
        {
            slide.Play();
            slide.loop = true;
        }
        else
        {
            slide.Stop();
        }
    }




}