using System;
using System.Collections;
using System.Collections.Generic;
using BITKit.Animations;
using BITKit.Entities;
using BITKit.StateMachine;
using UnityEngine;

namespace BITFALL.Player.Animation
{
	public interface IPlayerAnimationState : IState
	{
		void OnMovementStateChanged(IEntityMovementState oldState, IEntityMovementState newState);
	}
	public class PlayerAnimationController : StateBasedComponent<IPlayerAnimationState>
	{
		public const string _Walk = "Walk";
		public const string _Run = "Run";
		public const string _Sprint = "Sprint";
		public const string _Crouch = "Crouch";
		[SerializeField] internal UnityAnimator animator;

		private IEntityMovement _movement;
		private static readonly int Vertical = Animator.StringToHash("Vertical");
		private static readonly int Horizontal = Animator.StringToHash("Horizontal");
		private static readonly int SqrMagnitude = Animator.StringToHash("SqrMagnitude");

		public override void OnAwake()
		{
			base.OnAwake();
			_movement = entity.Get<IEntityMovement>();
			_movement.OnStateChanged += OnMovementStateChanged;
		}

		public override void OnFixedUpdate(float deltaTime)
		{
			animator.animator.SetFloat(Vertical, _movement.LocomotionBasedVelocity.z);
			animator.animator.SetFloat(Horizontal, _movement.LocomotionBasedVelocity.x);
			animator.animator.SetFloat(SqrMagnitude, _movement.LocomotionBasedVelocity.sqrMagnitude);
		}

		private void OnMovementStateChanged(IEntityMovementState arg1, IEntityMovementState arg2)
		{
			foreach (var x in StateDictionary.Values)
			{
				x.OnMovementStateChanged(arg1,arg2);
			}
		}
	}
}