using Code.Infrastructure.Configs;
using UnityEngine;

namespace Code.Example.Platformer.Entity
{
    public abstract class Entity : MonoBehaviour
    {
        protected static readonly int VelocityY = Animator.StringToHash("VelocityY");
        protected static readonly int VelocityX = Animator.StringToHash("VelocityX");
        protected static readonly int OnGround = Animator.StringToHash("OnGround");
        protected static readonly int OnHit = Animator.StringToHash("OnHit");
        protected static readonly int OnDeath = Animator.StringToHash("OnDeath");
        protected static readonly int Died = Animator.StringToHash("Died");
        
        [SerializeField] protected Rigidbody2D rigidbody2D;
        [SerializeField] protected Animator animator;
        [SerializeField] protected SpriteRenderer spriteRenderer;
        [SerializeField] private Vector2 groundPoint;
        
        private PlatformerEntityData _data; // TODO
        protected bool isFreezed;
        protected bool onGround;
        public void SetData(PlatformerEntityData data)
        {
            _data = data;
        }

        public void Freeze()
        {
            rigidbody2D.bodyType = RigidbodyType2D.Kinematic;
            isFreezed = true;
        }
        public void UnFreeze()
        {
            rigidbody2D.bodyType = RigidbodyType2D.Dynamic;
            isFreezed = false;
        }
        
        
        protected virtual void Update()
        {
            if(isFreezed) return;
            
            animator.SetFloat(VelocityX, rigidbody2D.linearVelocityX);
            animator.SetFloat(VelocityY, rigidbody2D.linearVelocityY);
        }

        protected virtual void HandleFlipX() => spriteRenderer.flipX = rigidbody2D.linearVelocity.x < 0.01f;

        protected virtual void FixedUpdate()
        {
            if(isFreezed) return;

            onGround = CheckGround();
            animator.SetBool(OnGround, onGround);
            
            Move();
            
            if(rigidbody2D.linearVelocity.x is > 0.01f or < -0.01f) HandleFlipX();
        }

        protected virtual bool CheckGround()
        {
            UnityEngine.Debug.DrawLine(transform.position,(Vector2)transform.position + groundPoint, Color.green);
            return Physics2D.OverlapPoint((Vector2)transform.position + groundPoint, LayerMasks.Masks[LayerMaskType.PlatformerGround]);
        }
        
        protected abstract void Move();
    }
}