using UnityEngine;

public class PlayerController : MonoBehaviour
{
    [SerializeField]
    private Animator animator;
    [SerializeField]
    private float MovementSpeed = 1.5f;
    [SerializeField]
    private LayerMask ladderLayer;
    [SerializeField] 
    private LayerMask groundLayer;
    [SerializeField]
    private float distance;
    private bool _isOnLadder;
    private Rigidbody2D _body;
    private CapsuleCollider2D _capsule;

    void Start()
    {
        _body = GetComponent<Rigidbody2D>();
        _capsule= GetComponent<CapsuleCollider2D>();
    }
    void Update()
    {
        float moveX = Input.GetAxisRaw("Horizontal");
        animator.SetFloat("Horizontal", moveX);
        float moveY = 0;
        
        var groundCheck = Physics2D.CapsuleCast(_capsule.bounds.center,_capsule.bounds.size,CapsuleDirection2D.Vertical,0f, Vector2.down, .1f,groundLayer);
        
        if (groundCheck || _isOnLadder)
        {
            var ladderCheck = Physics2D.CapsuleCast(_capsule.bounds.center, _capsule.bounds.size, CapsuleDirection2D.Vertical, 0f, Vector2.down, .1f, ladderLayer);
            if (ladderCheck)
            {
                _isOnLadder = true;
                moveY = Input.GetAxisRaw("Vertical");
                if(moveY> 0)
                {
                    if(!Physics2D.CapsuleCast(_capsule.bounds.center, _capsule.bounds.size, CapsuleDirection2D.Vertical, 0f, Vector2.up, .1f, ladderLayer))
                    {
                        moveY= 0;
                    }
                }
            }
            else
            {
                _isOnLadder = false;
            }
            _body.velocity = new Vector2(moveX * MovementSpeed, moveY * MovementSpeed);
        }
    }

    private void FixedUpdate()
    {
        if (_isOnLadder)
        {
           
            _body.gravityScale = 0;
        }
        else
        {
            _body.gravityScale = 5;
        }
    }
}