using UnityEngine;
using UnityEngine.InputSystem;

public class FullscreenToggle : MonoBehaviour
{
    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterSceneLoad)]
    static void Bootstrap()
    {
        var go = new GameObject("FullscreenToggle");
        go.AddComponent<FullscreenToggle>();
        DontDestroyOnLoad(go);
    }

    public void OnFullscreen(InputValue value)
    {
        if (Application.platform != RuntimePlatform.WebGLPlayer)
        {
            if (value.isPressed) // Проверяем нажатие кнопки
            {
                Toggle();
            }
        }
    }

    //void Update()
    //{
    //    if (Application.platform != RuntimePlatform.WebGLPlayer)
    //    {
    //        var kb = Keyboard.current;
    //        if (kb == null) return;

    //        bool f11 = kb.f11Key.wasPressedThisFrame;
    //        bool altEnter = kb.enterKey.wasPressedThisFrame && (kb.leftAltKey.isPressed || kb.rightAltKey.isPressed);
            
    //        if (f11 || altEnter) Toggle();

    //        //if (Input.GetButtonDown("Fullscreen")) Toggle();
    //    }
    //}

    static void Toggle()
    {
        bool fs = !Screen.fullScreen;
        Screen.fullScreenMode = fs ? FullScreenMode.FullScreenWindow : FullScreenMode.Windowed;

        if (fs)
        {
            Screen.SetResolution(Display.main.systemWidth, Display.main.systemHeight, true);
            Screen.fullScreen = true;
        }
        else
        {
            int w = Mathf.RoundToInt(Display.main.systemWidth * 0.5f);
            int h = Mathf.RoundToInt(Display.main.systemHeight * 0.5f);
            Screen.fullScreen = false;
            Screen.SetResolution(w, h, false);
        }
    }
}