using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Slim : MonoBehaviour
{

    public float speed;
    public float jumpForce;
    private float moveInput;

    private Rigidbody2D rb;

    private bool facingRight = true;

    public bool isGrounded;
    public Transform groundCheck;
    public float checkRadius;
    public LayerMask whatIsGround;

    private int extraJumps;
    public int extraJumpsValue;

    private void Start()
    {
        extraJumps = extraJumpsValue;
        rb = GetComponent<Rigidbody2D>();
    }

    private void FixedUpdate()
    {
        isGrounded = Physics2D.OverlapCircle(groundCheck.position, checkRadius, whatIsGround);

        moveInput = Input.GetAxis("Horizontal");
        rb.velocity = new Vector2(moveInput * speed, rb.velocity.y);

        if(facingRight == false && moveInput < 0)
        {
            Flip();
        }
        else if (facingRight == true && moveInput > 0)
        {
            Flip();
        }
    }

    void Flip()
    {
        facingRight = !facingRight;
        Vector3 Scaler = transform.localScale;
        Scaler.x *= -1;
        transform.localScale = Scaler;
    }

    public void Update()
    {
        if (isGrounded == true)
        {
            extraJumps = extraJumpsValue;
        }

        if (Input.GetKeyDown(KeyCode.Space) && extraJumps > 0)
        {
            rb.velocity = Vector2.up * jumpForce;
            extraJumps--;
        }
        else if (Input.GetKeyDown (KeyCode.Space) && extraJumps == 0 && isGrounded == true)
        {
            rb.velocity = Vector2.up * jumpForce;
        }
    }
    void OnCollisionEnter2D(Collision2D co)
    {
        // Collided with a V?
        if (co.collider.name == "V")
        {
            // Reset Rotation, Gravity, Velocity and go to last Checkpoint
            transform.rotation = Quaternion.identity;
            rb.gravityScale = Mathf.Abs(rb.gravityScale);
            rb.velocity = Vector2.zero;
        }
    }

    

}