using System.Collections;
using System.Collections.Generic;
using UnityEngine;
namespace SC.XR.Unity
{
    public class Module_RGBCamera : MonoBehaviour
    {
        Vector3 offset = new Vector3(0.03f, -0.01f, 0);
        [HideInInspector]
        public WebCamTexture webTex;
        [HideInInspector]
        public string deviceName;
        public static Module_RGBCamera Instance;
        private static MeshRenderer mat;
        float _width;
        float _height;

        void Start()
        {
            if (Instance == null)
            {

                Screen.sleepTimeout = SleepTimeout.NeverSleep;
                Instance = this;
                this.gameObject.transform.localPosition = offset;
                _width = Screen.width / 2.0f;
                _height = Screen.height;
                this.gameObject.transform.localScale = new Vector3(1, _height / _width, 1);
                mat = this.gameObject.GetComponent<MeshRenderer>();

                if (API_Module_Device.CurrentAndroid.HasRGB)
                {
                    StartCoroutine(CallCamera());

                }
                else
                {
                    Debug.Log("LGS:This device does not support the RGB");
                }
            }
        }

        public void StartCamera()
        {

            if (API_Module_Device.CurrentAndroid.HasRGB)
            {
                StartCoroutine(CallCamera());
            }
        }


        IEnumerator CallCamera()
        {
            yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);

            if (Application.HasUserAuthorization(UserAuthorization.WebCam))
            {
                WebCamDevice[] devices = WebCamTexture.devices;
                deviceName = devices[0].name;
                if (webTex != null)
                {
                    webTex.Stop();
                    webTex = null;
                }
                //Set RGBCamera rect   
                webTex = new WebCamTexture(deviceName, Screen.width / 2, Screen.height, 30);//
                mat.material.mainTexture = webTex;

                webTex.Play();//Start
            }
        }

        public void StopCamera()
        {
            if (Application.HasUserAuthorization(UserAuthorization.WebCam))
            {
                mat.material.mainTexture = null;
                webTex.Stop();
                webTex = null;
                StopCoroutine(CallCamera());
            }
        }
    }
}