// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

using Microsoft.MixedReality.Toolkit.Input;
using UnityEngine.Events;

namespace Microsoft.MixedReality.Toolkit.UI
{
    /// <summary>
    /// A basic receiver for detecting clicks
    /// </summary>
    public class InteractableOnClickReceiver : ReceiverBase
    {
        /// <summary>
        /// Invoked on pointer clicked
        /// </summary>
        public UnityEvent OnClicked => uEvent;

        /// <summary>
        /// Creates receiver for raising OnClick events
        /// </summary>
        public InteractableOnClickReceiver(UnityEvent ev) : base(ev, "OnClick") { }

        /// <summary>
        /// Creates receiver for raising OnClick events
        /// </summary>
        public InteractableOnClickReceiver() : this(new UnityEvent()) { }

        /// <inheritdoc />
        public override void OnUpdate(InteractableStates state, Interactable source)
        {
            // using onClick
        }

        /// <inheritdoc />
        public override void OnClick(InteractableStates state, Interactable source, IMixedRealityPointer pointer = null)
        {
            uEvent.Invoke();
        }
    }
}