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

public class Player : MonoBehaviour
{   // public or private reference
    //data type (int, (int is no decimal) float (float is decimal) , bool ( T or F), string)
    //every variable has name
    //optional value assigned
    [SerializeField]
    private float _speed = 3.5f;
    [SerializeField]
    private GameObject _lazerPrefab;
    [SerializeField]
    private float _fireRate = 0.5f;

    private float _canFire = -1f;





    // Start is called before the first frame update
    void Start()
    {
        //take the current position = new position (0, 0, 0)
        transform.position = new Vector3(0, 0, 0);
    }
    // Update is called once per frame
    void Update()
    {
        CalculateMovement();

        if (Input.GetKeyDown(KeyCode.Space) && Time.time > _canFire)
        {
            FireLazer();
        }


        //if hit space key spawn GO
        if (Input.GetKeyDown(KeyCode.Space)  && Time.time > _canFire)
        {
            _canFire = Time.time + _fireRate;
            Instantiate(_lazerPrefab, transform.position + (Vector3.up * 0.8f),  Quaternion.identity);
        }


    }


    void CalculateMovement(){
    float horizontalInput = Input.GetAxis("Horizontal");
        float verticalInput = Input.GetAxis("Vertical");
        transform.Translate(Vector3.right * horizontalInput *_speed * Time.deltaTime);
        transform.Translate(Vector3.up * verticalInput * _speed * Time.deltaTime);


        //if player position on the y is greater than 0
        // y position = 0
        // else if position on the y is less than -3.8f
        //y pos = -3.8f
        transform.position = new Vector3(transform.position.x, Mathf.Clamp(transform.position.y, -3.8f, 0), 0);

        if(transform.position.x > 11.3f)
        {
            transform.position = new Vector3(-11.3f, transform.position.y, 0);
        }
        else if (transform.position.x < -11.3f)
        {
            transform.position = new Vector3(11.3f, transform.position.y, 0);
        }
    }
    void FireLazer()
    {
        _canFire = Time.time + _fireRate;
        Instantiate(_lazerPrefab, transform.position + (Vector3.up * 0.8f),  Quaternion.identity);

    }
}