using System;
using System.Collections;
using System.Collections.Generic;
using BITKit;
using Cysharp.Threading.Tasks;
using Cysharp.Threading.Tasks.Triggers;
using UnityEngine;
using UnityEngine.Animations;

namespace BITFALL.Props
{
	public class Prop_ReplaceOnSleep : MonoBehaviour
	{
		[SerializeField] private Transform prefab;
		[SerializeField] private new Rigidbody rigidbody;
		private readonly IntervalUpdate _interval = new(0.16f);
		private Collider _collider;
		private void FixedUpdate()
		{
			if (rigidbody.IsSleeping() && _interval.AllowUpdate && _collider)
			{
				ReplaceImmediate(_collider.transform);
			}
		}

		public void ReplaceImmediate(Transform root=null)
		{
			var _transform = transform;
			var instance = Instantiate(prefab);
			instance.SetPositionAndRotation(_transform.position, _transform.rotation);

			instance.TryGetComponent<Rigidbody>(out var _rigidbody);
			if (root is not null && root.gameObject.isStatic is false)
			{
				instance.SetParentConstraint(root);
				var destroyToken = root.gameObject.GetCancellationTokenOnDestroy();
				destroyToken.Register(() =>
				{
					if (!instance) return;
					if (instance.TryGetComponent<ParentConstraint>(out var constraint))
					{
						Destroy(constraint);
					}

					if (instance.TryGetComponent<Rigidbody>(out var instanceRigidbody))
					{
						instanceRigidbody.isKinematic = false;
					}
				});
				if (_rigidbody is not null)
				{
					//_rigidbody.isKinematic = true;
					_rigidbody.isKinematic = true;
				}
			}
			else if(_rigidbody is not null)
			{
				_rigidbody.velocity = rigidbody.velocity;
				_rigidbody.angularVelocity = rigidbody.angularVelocity;
			}
			Destroy(gameObject);
		}

		private void OnCollisionEnter(Collision other)
		{
			_collider = other.collider;
		}

		private void OnCollisionStay(Collision other)
		{
			_collider = other.collider;
		}
	}
}