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

public class PlayerMove : MonoBehaviour
{

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

    private Rigidbody2D rb;

    private bool facingRight = true;

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



    private int extraJumps;
    public int extraJumpsValue;

    public int health = 100;

    //Śmierć gracza

    void OnCollisionEnter2D(Collision2D coll)
    {
        //lawa
        if ( coll.gameObject.tag == "Lava" )
        {
            Destroy(gameObject);
        }

        //Przeciwnik zabija po dotyku

        if ( coll.gameObject.tag == "Enemy" )
        {
            Destroy(gameObject);
        }
    }

    //życie

    public void takeDamage(int damage)
    {

        health -= damage;

        if ( health <= 0 )
        {
            Die();
        }

    }

    void Die()
    {
        Destroy(gameObject);
    }



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

    }


    void FixedUpdate()
    {
        //obrót postaci

        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 Update()
    {
        //skok

        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;
        }

    }

    //obrót postaci
    void Flip()
    {

        facingRight = !facingRight;

        transform.Rotate(0f, 180f, 0f);

    }

}