using UniRx;

using UnityEngine;
using UnityEngine.UI;
#if UNITY_WEBGL
using WebGLSupport;
#endif

public class WebGLFullscreenLogic : BaseBehaviour
{
    [SerializeField]
    private Button[] _btns;

    private void Reset()
    {
        this._btns = GetComponentsInChildren<Button>(true);
    }

    private void Start()
    {
        // 全屏Btn
#if UNITY_WEBGL
        this._btns[0]
           .OnClickAsObservable()
           .Where(_ => Screen.fullScreen == false)
           .Subscribe(_ => {
               Debug.Log("全屏");
               WebGLFullscreen.SetFullscreen();
           })
           .AddTo(this);
#else
        this._btns[0]
           .OnClickAsObservable()
           .Subscribe(_ => {
               Debug.Log("全屏");
               Screen.fullScreen = true;
               Screen.SetResolution(1920, 1080, true);
           })
           .AddTo(this);
#endif
        this._btns[1]
            .OnClickAsObservable()
            .Subscribe(_ => {
                Debug.Log("退出全屏");
                Screen.fullScreen = false;
#if !UNITY_WEBGL
                Screen.SetResolution(1440, 810, false);
#endif
            })
            .AddTo(this);
    }

    private void Update()
    {
        if (Screen.fullScreen == true)
        {
            this._btns[0].gameObject.SetActive(false);
            this._btns[1].gameObject.SetActive(true);
        }
        else
        {
            this._btns[0].gameObject.SetActive(true);
            this._btns[1].gameObject.SetActive(false);
        }
    }
}