using System.Collections;
using TMPro;
using UnityEngine;
using UnityEngine.SceneManagement;

/// <summary>
/// Authorize and check for available webcam(s)
/// </summary>
public class WebcamAuthorization : MonoBehaviour
{
    /// <summary>
    /// UI Reference to the text object to display an error message
    /// </summary>
    public TMP_Text errorText;

    /// <summary>
    /// Request authorization and check whether at least 1 webcam is available
    /// </summary>
    /// <returns>IEnumerator object</returns>
    IEnumerator Start()
    {
        yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
        if (Application.HasUserAuthorization(UserAuthorization.WebCam))
        {
            if (0 < WebCamTexture.devices.Length)
            {
                SceneManager.LoadScene("Common/Scenes/StartScreen");
            }
            else
            {
                errorText.text = "Zorg ervoor dat je webcam correct is aangesloten!";
            }
        }
        else
        {
            errorText.text = "Zorg ervoor dat deze applicatie toegang heeft tot je webcam!";
        }
    }
}