using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Video;
using UnityEngine.UI;
using UnityEngine.SceneManagement;
public class WorldSpaceVideoLoading: MonoBehaviour {
    [Header("Загружаемая сцена")]
    public int sceneIndex;
    [Header("Остальные объекты")]
    public GameObject loadingScreen;
    //public GameObject main_menu;
    public Text progressText;
    public GameObject textLight;
    public GameObject textPrepare;
    [Header("Видеоклипы")]
    //[Tooltip("Кидаем сюда видео")]
    //public VideoClip[] videoClips;
    //[Space(10)]
    private VideoPlayer videoPlayer;
    private AudioSource audioSource;
    private int videoClipIndex;
    bool isDone;
    public bool isPrepared{ get{ return videoPlayer.isPrepared;}}
    void OnEnable(){
        videoPlayer.loopPointReached += loopPointReached;
        videoPlayer.prepareCompleted += prepareCompleted;
    }
    void OnDisable(){
        videoPlayer.loopPointReached -= loopPointReached;
        videoPlayer.prepareCompleted -= prepareCompleted;
    }
    void loopPointReached(VideoPlayer v){
        textLight.SetActive (false);
        StartCoroutine (StartCor (sceneIndex));
    }
    void prepareCompleted(VideoPlayer v){
        Debug.Log ("Video player finished preparing");
        isDone = false;
    }
    void Awake ()
    {
        videoPlayer = GetComponent<VideoPlayer> ();
    }

    void Start ()
    {
        audioSource = gameObject.AddComponent<AudioSource>();
        //videoPlayer.clip = videoClips[0];
        AudioPlay ();
        if (!isPrepared) {
            textPrepare.SetActive (true);
            return;
        } else {
            textPrepare.SetActive (false);
            videoPlayer.Play ();
        }
    }

    void Update ()
    {
        if (Input.anyKey) {
            StartCoroutine (StartCor (sceneIndex));
        }
        if (videoPlayer.isPlaying) {
            textLight.SetActive (true);
            AudioPlay ();
        } else {
            textLight.SetActive (false);
        }
    }


    public void AudioPlay(){
        videoPlayer.audioOutputMode = VideoAudioOutputMode.AudioSource;
        videoPlayer.EnableAudioTrack(0, true);
        videoPlayer.SetTargetAudioSource(0, audioSource);
    }

    IEnumerator StartCor(int sceneIndex)
    {
        AsyncOperation async = SceneManager.LoadSceneAsync(sceneIndex);
        loadingScreen.SetActive (true);
        while (!async.isDone)
        {
            float progress = async.progress / .9f;
            progressText.text = string.Format("Пожалуйста подождите... {0:0}%", progress * 100);
            yield return null;
        }

    }


}