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

using System.Collections.Generic;
using System.Text;
using TMPro;
using UnityEngine;

namespace Microsoft.MixedReality.Toolkit.Extensions.HandPhysics.Examples
{
    /// <summary>
    /// Writes collider trigger from articulated hands events to a TextMeshPro object
    /// </summary>
    public class PhysicsTriggerEventReadout : MonoBehaviour
    {
        [SerializeField]
        [Tooltip("TextMeshPro object that will write the events")]
        private TextMeshPro textField;

        /// <summary>
        /// TextMeshPro object that will write the events 
        /// </summary>
        public TextMeshPro TextField
        {
            get { return textField; }
            set { textField = value; }
        }

        //private List<JointKinematicBody> currentJoints = new List<JointKinematicBody>();

        private void OnTriggerEnter(Collider other)
        {
            //JointKinematicBody joint = other.GetComponent<JointKinematicBody>();
            //if (joint == null) { return; }

            //currentJoints.Add(joint);
            //WriteText();
        }

        private void OnTriggerExit(Collider other)
        {
            //JointKinematicBody joint = other.GetComponent<JointKinematicBody>();
            //if (joint == null) { return; }

            //if (currentJoints.Contains(joint))
            //{
            //    currentJoints.Remove(joint);
            //}
            //else
            //{
            //    currentJoints.Add(joint);
            //    WriteText();
            //    currentJoints.Remove(joint);
            //}
            //if (currentJoints.Count <= 0)
            //{
            //    WriteText(true);
            //}
        }

        private void WriteText(bool clear = false)
        {
            if (textField == null) { return; }

            if (clear)
            {
                textField.text = "";
                return;
            }

            StringBuilder text = new StringBuilder();

            //foreach (var joint in currentJoints)
            //{
            //    text.Append(joint.name + " is touching. <br>");
            //}
            //textField.text = text + "<br>";
        }
    }
}