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

public class PlayerController : MonoBehaviour
{
    [SerializeField] private float speed;
    public Camera sceneCamera;

    // Gun Variables
    [SerializeField] private GameObject bullet;
    [SerializeField] private Transform firePoint;
    [Range(0.1f, 2f)]
    [SerializeField] private float fireRate = 0.5f;

    private Rigidbody2D rb;
    private float moveX;
    private float moveY;

    private float fireTimer;

    private Vector2 mousePos;

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

    private void Update()
    {
        moveX = Input.GetAxisRaw("Horizontal");
        moveY = Input.GetAxisRaw("Vertical");
        mousePos = sceneCamera.ScreenToWorldPoint(Input.mousePosition);

        float angle = Mathf.Atan2(mousePos.y - transform.position.y, mousePos.x - transform.position.x) * Mathf.Rad2Deg - 90f;

        transform.localRotation = Quaternion.Euler(0, 0, angle);

        if (Input.GetMouseButtonDown(0) && fireTimer <= 0f)
        {
            Shoot();
            fireTimer = fireRate;
        }
        else
        {
            fireTimer -= Time.deltaTime;
        }
    }

    private void FixedUpdate()
    {
        rb.velocity = new Vector2(moveX, moveY).normalized * speed;
    }

    private void Shoot()
    {
        Instantiate(bullet, firePoint.position, firePoint.rotation);
    }

    private void OnCollisionEnter2D(Collision2D other)
    {
        if (other.gameObject.CompareTag("EnemyBullet"))
        {
            Destroy(gameObject);
        }
    }
}