using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using BITKit;
using BITKit.Entities;
using Unity.Mathematics;
using UnityEngine;

namespace BITFALL.Player.Movement
{
	public class PlayerFixedPlace :MonoBehaviour, IPlayerFixedPlace,IDescription
	{
		[SerializeField] private new Rigidbody rigidbody;
		[SerializeField] private Transform fixedPoint;
		[SerializeField] private Transform exitPoint;
		[SerializeField] private string description;
		public float3 FixedPosition =>fixedPoint.position;
		public float3 Velocity => rigidbody.velocity;
		public quaternion FixedRotation=> fixedPoint.rotation;
		public float3 ExitPosition => exitPoint.position;
		public quaternion ExitRotation => exitPoint.rotation;

		public bool TryGetFixedEntity(out IEntity entity)
		{
			entity = _fixedEntity;
			return _fixedEntity is not null;
		}
		public event Func<IEntity, bool> OnPlayerEntry;
		public event Func<IEntity, bool> OnPlayerExit;
		public event Action<IEntity> OnPlayerEntered;
		public event Action<IEntity> OnPlayerExited;
		public bool Entry(IEntity player)
		{
			if (_fixedEntity is not null) return false;
			if (OnPlayerEntry is not null && OnPlayerEntry.CastAsFunc().Any(x => x.Invoke(player) is false))
			{
				return false;
			}
			_fixedEntity = player;
			OnPlayerEntered?.Invoke(player);
			return true;
		}
		public bool Exit(IEntity player)
		{
			if(_fixedEntity is null) return false;
			if(OnPlayerExit is not null && OnPlayerExit.CastAsFunc().Any(x=>x.Invoke(player) is false))
			{
				return false;
			}
			_fixedEntity = null;
			OnPlayerExited?.Invoke(player);
			return true;
		}
		private IEntity _fixedEntity { get; set; }
		public string Name => description;
	}

}