//============= Copyright (c) Ludic GmbH, All rights reserved. ==============
//
// Purpose: Part of the My Behaviour Tree Controller Code
//
//=============================================================================

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using MyBT;
using UnityEngine.XR.Interaction.Toolkit;

#if UNITY_EDITOR
using UnityEditor;
[CustomEditor(typeof(NamedGrabEvent))]
public class NamedGrabEventInspector : ComponentHandlerInspector {
}
#endif

public class NamedGrabEvent : ComponentHandler {
    public override string TypeLabel () {
        return "NamedGrabEvent";
    }

    public override string ContentLabel() {
        UpdateComponent();
        return objName;
    }

    public override void UpdateComponent() {
        base.UpdateComponent();

        if (GetComponent<XRGrabInteractable>())
        {
            GetComponent<XRGrabInteractable>().selectEntered.AddListener(SelectEnterEventHandler);
            GetComponent<XRGrabInteractable>().selectExited.AddListener(SelectExitEventHandler);
        }
        else {
            Debug.LogWarning($"NamedGrabEvent '{gameObject.name}' could not attach grab event (missing XR Grab Interactable?)");
        }
    }

    public string objName = "GrabObjXY";
    private bool selectEnterTriggered = false;
    private bool selectExitTriggered = false;

    private void SelectEnterEventHandler(SelectEnterEventArgs args)
    {
        selectEnterTriggered = true;
    }

    private void SelectExitEventHandler(SelectExitEventArgs args)
    {
        selectExitTriggered = true;
    }

    public override string titleText {
        get {
            return "Run: Will Succeed on Select Enter and Exit Event";
        }
    }

    public override string[][] helpText {
        get {
            return new string[][] {
                new string[] {"Run", "Return Success on Select Enter and Exit Event", $"BTC.Run(\"{roomId}\", \"{gameObject.name}\")"},
            };
        }
    }
    
    public override void Run(MyBT.NodeState nodeState) {
        if (nodeState == NodeState.FirstRun) {
            // reset event trigger at start
            selectEnterTriggered = false;
            selectExitTriggered = false;
        }

        if (nodeState == NodeState.Aborting) {
            selectEnterTriggered = false;
            selectExitTriggered = false;
        }

        if (selectEnterTriggered) {
            Task.SetSucceeded();
            return;
        }

        if (selectExitTriggered)
        {
            Task.SetSucceeded();
            return;
        }
    }
}