using UnityEngine;

public class PlayerController : MonoBehaviour
{
    [Header("Movement")]
    [SerializeField] private float moveSpeed = 5f;

    [Header("Jump")]
    [SerializeField] private float jumpForce = 12f;
    [SerializeField] private Transform groundCheck;
    [SerializeField] private float groundCheckRadius = 0.1f;
    [SerializeField] private LayerMask groundLayer;

    private Rigidbody2D rb;
    private float moveInputX = 0f;
    private bool isGrounded;

    private void Awake()
    {
        rb = GetComponent<Rigidbody2D>();
    }

    private void Start()
    {
        InputManager.Instance.OnMove_Event += OnMoveInput;
        InputManager.Instance.OnJump_Event += OnJumpInput;
    }

    private void OnDestroy()
    {
        if (InputManager.Instance != null)
        {
            InputManager.Instance.OnMove_Event -= OnMoveInput;
            InputManager.Instance.OnJump_Event -= OnJumpInput;
        }
    }

    private void FixedUpdate()
    {
        isGrounded = Physics2D.OverlapCircle(groundCheck.position, groundCheckRadius, groundLayer);
        rb.linearVelocity = new Vector2(moveInputX * moveSpeed, rb.linearVelocity.y);
    }

    private void OnMoveInput(Vector2 value)
    {
        moveInputX = value.x == 0f ? 0f : Mathf.Sign(value.x);
    }

    private void OnJumpInput()
    {
        if (isGrounded)
            rb.linearVelocity = new Vector2(rb.linearVelocity.x, jumpForce);
    }

    private void OnDrawGizmosSelected()
    {
        if (groundCheck == null) return;
        Gizmos.color = isGrounded ? Color.green : Color.red;
        Gizmos.DrawWireSphere(groundCheck.position, groundCheckRadius);
    }
}