using UnityEngine;

public class Enemy : MonoBehaviour
{
    [SerializeField] private float moveSpeed = 5f;
    [SerializeField] private LayerMask platformLayerMask;

    private Collider2D currentCollider;
    private Vector3 currentSize;

    private void Start()
    {
        currentCollider = GetComponent<BoxCollider2D>();
        currentSize = currentCollider.bounds.size;
    }

    private void Update()
    {
        Move();
        IsMovingLeft();
    }

    private void Move()
    {
        if (IsMovingLeft())
        {
            transform.Translate(Vector3.left * moveSpeed * Time.deltaTime);
        }
        else if (!IsMovingLeft())
        {
            transform.Translate(Vector3.right * moveSpeed * Time.deltaTime);
        }
    }

    private bool IsMovingLeft()
    {
        if (IsMovingLeft())
        {
            RaycastHit2D raycastHit2D = Physics2D.Raycast(transform.position, Vector2.left, currentSize.x / 2, platformLayerMask);

            if (raycastHit2D.collider != null)
            {
                return false;
            }

            return true;
        }
        else
        {
            RaycastHit2D raycastHit2D = Physics2D.Raycast(transform.position, Vector2.right, currentSize.x / 2, platformLayerMask);
            if (raycastHit2D.collider != null)
            {
                return true;
            }
            return false;
        }
    }
}