using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;

public class PanelMultipleChoice : MonoBehaviour
{
    public GameObject previewMessage;

    /// <summary>
    /// Reference to instructional video player
    /// </summary>
    public VideoPlayer videoPlayer;
    public Image playButton;

    /// <summary>
    /// Reference to the image for displaying the current words sprite
    /// </summary>
    public Transform optionContainer;

    public GameObject optionPrefab;


    public List<Learnable> signs;
    public int currentSignIndex;

    public void Display()
    {
        Learnable currentSign = signs[currentSignIndex];
        videoPlayer.aspectRatio = VideoAspectRatio.FitInside;
        videoPlayer.clip = currentSign.clip;
        videoPlayer.Play();

        // TODO: @Tibe find 3 other random indexes and make buttons for mc question (and set images and callbacks)

        /**************************
         * TODO: @Tibe
         * 
         * Voor het initialiseren van die multiplechoice opties, er bestaat een prefab van die button, moet maar eens kijken
         * Dus zelf gwn woorden kiezen voor de andere opties ad random.
         * Zie dat je geen dubbels hebt in je opties (logisch)
         * 
         * *************************/
    }

    /// <summary>
    /// This function is called when the pause-button is pressed on the video.
    /// It switches between playing and pausing the video.
    /// It then makes the button invisible when the video is playing, or visible when it's paused.
    /// </summary>
    public void TogglePlayPause()
    {
        if (!videoPlayer.isPlaying)
            // Play video and hide button
            videoPlayer.Play();
        else
            // Pause video and show button
            videoPlayer.Pause();
    }
}