using UnityEngine;

public class Player : MonoBehaviour
{
    private Animator anim;
    private Rigidbody2D rb;

    [Header("Movement details")]
    [SerializeField] private float moveSpeed = 4.58f;
    [SerializeField] private float jumpForce = 12;
    private bool facingRight = true;
    private float xInput;

    [Header("Collision details")]
    [SerializeField] private float groundCheckDistance;
    [SerializeField] private LayerMask whatIsGround;
    private bool isGrounded;

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

    private void Update()

    {
        HandleCollision();
        HandleInput();
        HandleMovement();
        HandleAnimations();
        HandleFlip();
    }

    private void HandleInput()
    {
        xInput = Input.GetAxisRaw("Horizontal");

        if (Input.GetKeyDown(KeyCode.K))
        {
            jump();
        }
    }


    private void HandleAnimations()
    {
        bool isMoving = rb.linearVelocity.x != 0;
        anim.SetBool("isMoving", isMoving);
    }

    private void HandleMovement()
    {
        rb.linearVelocity = new Vector2(xInput * moveSpeed, rb.linearVelocity.y);
    }

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

    private void HandleCollision()
    {
        isGrounded = Physics2D.Raycast(transform.position, Vector2.down, groundCheckDistance, whatIsGround);
    }

    private void HandleFlip()
    {
        if(rb.linearVelocity.x > 0 && facingRight == false)
        {
            Flip();
        }
        else if (rb.linearVelocity.x < 0 && facingRight == true)
        {
            Flip();
        }
    }

    private void Flip()
    {
        transform.Rotate(0, 180, 0);
        facingRight = !facingRight;
    }

    private void OnDrawGizmos()
    {
        Gizmos.DrawLine(transform.position, transform.position + new Vector3(0, -groundCheckDistance));
    }


}