/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 * All rights reserved.
 *
 * Licensed under the Oculus SDK License Agreement (the "License");
 * you may not use the Oculus SDK except in compliance with the License,
 * which is provided at the time of installation or download, or which
 * otherwise accompanies this software in either electronic or hard copy form.
 *
 * You may obtain a copy of the License at
 *
 * https://developer.oculus.com/licenses/oculussdk/
 *
 * Unless required by applicable law or agreed to in writing, the Oculus SDK
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using UnityEngine;
using Oculus.Interaction.UnityCanvas;
using UnityEngine.Serialization;

namespace Oculus.Interaction
{
    public class PointableCanvasMesh : PointableElement
    {
        [Tooltip("This CanvasMesh determines the Pose of PointerEvents.")]
        [SerializeField]
        [FormerlySerializedAs("_canvasRenderTextureMesh")]
        private CanvasMesh _canvasMesh;

        protected override void Start()
        {
            base.Start();
            this.AssertField(_canvasMesh, nameof(_canvasMesh));
        }

        public override void ProcessPointerEvent(PointerEvent evt)
        {
            Vector3 transformPosition =
                _canvasMesh.ImposterToCanvasTransformPoint(evt.Pose.position);
            Pose transformedPose = new Pose(transformPosition, evt.Pose.rotation);
            base.ProcessPointerEvent(new PointerEvent(evt.Identifier, evt.Type, transformedPose, evt.Data));
        }

        #region Inject

        public void InjectAllCanvasMeshPointable(CanvasMesh canvasMesh)
        {
            InjectCanvasMesh(canvasMesh);
        }

        public void InjectCanvasMesh(CanvasMesh canvasMesh)
        {
            _canvasMesh = canvasMesh;
        }

        #endregion
    }
}