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

public class GunTimingExample : MonoBehaviour
{
    public int magazineCapacity = 30;
    public int ammo = 30;
    public int roundsPerMinute = 800;
    public float reloadDuration = 1;

    float lastShotTime = 0;
    bool reloading = false;

    float timeSinceLastShot
    {
        get
        {
            //return how long since the last shot was fired
            return Time.time - lastShotTime;
        }
    }

    float shotInterval
    {
        get
        {
            //convert to seconds per round
            return 1f / (roundsPerMinute / 60f);
        }
    }

    private void Update()
    {
        if (Input.GetMouseButton(0))
        {
            Fire();
        }

        if (Input.GetKeyDown(KeyCode.R))
        {
            Reload();
        }
    }

    void Reload()
    {
        //dont allow reloading while reloading
        if (reloading)
            return;

        reloading = true;
        //call Reloaded after a period of time
        Invoke("Reloaded", reloadDuration);
        Debug.Log("Reloading... " + Time.time);
    }

    void Reloaded()
    {
        //include an extra round if gun was still chambered when reload began
        ammo = magazineCapacity + (ammo > 0 ? 1 : 0);
        reloading = false;
        Debug.Log("Reloaded! " + Time.time);
    }

    void Fire()
    {
        if (ammo > 0 && !reloading)
        {
            //use properties for legibility to make sure we're good to fire
            if (timeSinceLastShot >= shotInterval)
            {
                //decrement ammo
                ammo--;

                Debug.Log($"Bang! Ammo:{ammo} Delta:{timeSinceLastShot}");
                //log the time the shot happened
                lastShotTime = Time.time;
            }
        }

    }
}