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

public class GoombaAI : hasHP
{
    Rigidbody2D rb;

    public GameObject itemDrop;

    private Vector2 dir;

    private Vector2 length;
    void Start()
    {
        length = GetComponent<SpriteRenderer>().bounds.size;
        curHP = MaxHP;
        rb = gameObject.GetComponent<Rigidbody2D>();
        dir = new Vector2(-1, 0);
    }

    // Update is called once per frame
    void Update()
    {
        transform.rotation = Quaternion.Euler(0, rb.velocity.x < 0 ? 180 : 0, 0);
        if (rb.velocity.magnitude < 0.1) { rb.velocity += new Vector2(0, 5f); }
        bool hit = Physics2D.Raycast(gameObject.transform.position, dir, (length.x / 2) + 0.1f, 1 << LayerMask.NameToLayer("Ground")) || !Physics2D.Raycast(gameObject.transform.position + (Vector3.right * dir.x * ((length.x / 2) + 0.1f)), Vector3.down, (length.y / 2) + 0.1f, 1 << LayerMask.NameToLayer("Ground"));
        if(hit) {
            dir *= -1;
        }
        rb.velocity = dir + new Vector2(0,rb.velocity.y);
    }

    private void OnCollisionEnter2D(Collision2D collision) {
        if (collision.collider.name.Equals("Player")) {
            collision.collider.gameObject.GetComponent<PlayerStats>().Die();
        }
    }

    public override void die() {
        gameObject.GetComponent<Dropper>().Ammo();
        Object.Destroy(gameObject);
    }
    
}