using UnityEngine;

public class WeaponSwitching : MonoBehaviour
{
    //Tracks what weapon the player currently has equipped
    public int SelectedWeapon = 1;

    //The players Pistol, RayGun and RocketLauncher weapons that will be turned on and off while switching between them
    [SerializeField]
    GameObject Pistol, RayGun, RocketLauncher;

    //Player starts with the pistol weapon equipped
    void Start() { SwapWeapon(1); }
    {
        SwapWeapon(1);
    }

    void Update()
    {
        //Pressing 1 swaps to the pistol
        if(Input.GetKeyDown(KeyCode.Alpha1))
        {
            Debug.Log("Trying to equip the pistol");

            //If they already have the pistol equipped do nothing
            if (SelectedWeapon == 1)
            {
                Debug.Log("Pistol is already equipped.");
                return;
            }

            //If they dont have access to the pistol do nothing
            if (!WeaponManager.Instance.PistolAcquired)
            {
                Debug.Log("You dont have the pistol weapon.");
                return;
            }

        //Disable the current weapon, then enable the pistol weapon
            Debug.Log("Equipping the pistol weapon now");
            ToggleWeapon(SelectedWeapon, false);
            ToggleWeapon(1, true);
            SelectedWeapon = 1;
        }

        //Pressing 2 swaps to the RayGun
        if(Input.GetKeyDown(KeyCode.Alpha2))
        {
            Debug.Log("Trying to equip the RayGun");

            //If they already have the RayGun equipped do nothing
            if (SelectedWeapon == 2)
            {
                Debug.Log("RayGun is already equipped.");
                return;
            }

            //If they dont have access to the RayGun do nothing
            if (!WeaponManager.Instance.RayGunAcquired)
            {
                Debug.Log("You dont have the RayGun weapon.");
                return;
            }

            //Disable the current weapon, then enable the RayGun weapon
            Debug.Log("Equipped the RayGun weapon now");
            ToggleWeapon(SelectedWeapon, false);
            ToggleWeapon(2, true);
            SelectedWeapon = 2;
        }

        //Pressing 3 swaps to the RocketLauncher
        if(Input.GetKeyDown(KeyCode.Alpha3))
        {
            Debug.Log("Trying to equip the RocketLauncher.");

            //If they already have the RocketLauncher equipped do nothing
            if (SelectedWeapon == 3)
            {
                Debug.Log("RocketLauncher is already equipped.");
                return;
            }

            //If they dont have access to the RocketLauncher do nothing
            if (!WeaponManager.Instance.RocketLauncherAcquired)
            {
                Debug.Log("You dont have the RocketLauncher weapon");
                return;
            }

            //Disable the current weapon, then enable the RocketLauncher weapon
            Debug.Log("Equipping the RocketLauncher now");
            ToggleWeapon(SelectedWeapon, false);
            ToggleWeapon(3, true);
            SelectedWeapon = 3;
        }
    }

    void ToggleWeapon(int WeaponSlot, bool ShouldEnable)
    {
        switch(WeaponSlot)
        {
            //Toggle the Pistol
            case (1):
                Pistol.SetActive(ShouldEnable);
                break;
            //Toggle the RayGun
            case (2):
                RayGun.SetActive(ShouldEnable);
                break;
            //Toggle the RocketLauncher
            case (3):
                RocketLauncher.SetActive(ShouldEnable);
                break;
        }
    }
}