using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Unity.XR.PXR;
using UnityEditor;
using UnityEditor.XR.Management;
using UnityEngine;
using UnityEngine.XR.Management;
#if UNITY_OPENXR
using UnityEngine.XR.OpenXR;
#endif


[XRCustomLoaderUI("Unity.XR.PXR.PXR_Loader", BuildTargetGroup.Standalone)]
[XRCustomLoaderUI("Unity.XR.PXR.PXR_Loader", BuildTargetGroup.Android)]
internal class PXR_XRLoaderUI : IXRCustomLoaderUI
{
    public static readonly GUIContent k_LoaderName = new GUIContent("PICO");
    protected float renderLineHeight = 0;
    /// <inheritdoc/>
    public float RequiredRenderHeight { get; protected set; }
    public virtual void SetRenderedLineHeight(float height)
    {
        renderLineHeight = height;
        RequiredRenderHeight = height;
    }
    protected Rect CalculateRectForContent(float xMin, float yMin, GUIStyle style, GUIContent content)
    {
        var size = style.CalcSize(content);
        var rect = new Rect();
        rect.xMin = xMin;
        rect.yMin = yMin;
        rect.width = size.x;
        rect.height = renderLineHeight;
        return rect;
    }

    public void OnGUI(Rect rect)
    {

        float xMin = rect.xMin;
        float yMin = rect.yMin;

        var labelRect = CalculateRectForContent(xMin, yMin, EditorStyles.toggle, k_LoaderName);
        var newToggled = EditorGUI.ToggleLeft(labelRect, k_LoaderName, IsLoaderEnabled);
        if (newToggled != IsLoaderEnabled)
        {
            IsLoaderEnabled = newToggled;
        }

        PXR_Utils.UpdateSDKSymbols();
    }

    public bool IsLoaderEnabled { get; set; }
    public string[] IncompatibleLoaders => new string[]
    {
        "UnityEngine.XR.OpenXR.OpenXRLoader",
        "UnityEngine.XR.WindowsMR.WindowsMRLoader",
        "Unity.XR.Oculus.OculusLoader",
    };

    public BuildTargetGroup ActiveBuildTargetGroup { get; set; }
}