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local weaponSystem = require(game:service'ReplicatedStorage'.WeaponsSystem.Libraries.BaseWeapon)
local client = game:GetService('Players').LocalPlayer

local oldFire = weaponSystem.fire
local oldGetConfigValue = weaponSystem.getConfigValue
local oldUseAmmo = weaponSystem.useAmmo
local oldGetAmmo = weaponSystem.getAmmoInWeapon

-- Silent Aim
local function getClosestPlayer()
    local final = nil
    local maxRange = math.huge

    for i, player in next, game:GetService('Players'):GetPlayers() do
        if player == client then continue end
        if (not player.Character) then continue end

        local humanoid = player.Character:FindFirstChild('Humanoid')
        local head = player.Character:FindFirstChild('Head')

        if (not head) or (not humanoid) then continue end
        if (humanoid.Health <= 0) then continue end

        local vector, visible = workspace.CurrentCamera:WorldToViewportPoint(head.Position)
        if (not visible) then continue end

        local cursorPosition = game:GetService('UserInputService'):GetMouseLocation()
        local screenPosition = Vector2.new(vector.X, vector.Y)

        local difference = math.floor((screenPosition - cursorPosition).magnitude)
        if (difference < maxRange) then
            maxRange = difference
            final = head
        end
    end
    return final
end

weaponSystem.fire = function(self, ...)
    local arguments = {...}

    if _G.silentAim then
        local t = getClosestPlayer()
        if t then
            arguments[2] = (t.Position - arguments[1]).unit
            arguments[3] = 1
        end
    end

    return oldFire(self, unpack(arguments))
end

-- Infinite Ammo
weaponSystem.getAmmoInWeapon = function(self, ...)
    if _G.infiniteAmmo then
        return 9e9 -- Infinite ammo
    end
    return oldGetAmmo(self, ...)
end

-- Use Ammo with Infinite Ammo Check
weaponSystem.useAmmo = function(self, ...)
    if _G.infiniteAmmo then
        if (self.ammoInWeaponValue) then
            return 1 -- Do not use ammo
        end
    end
    return oldUseAmmo(self, ...)
end

-- No Recoil, No Spread, Fast Fire, Automatic Guns
weaponSystem.getConfigValue = function(self, ...)
    local arguments = {...}

    if _G.fastFire and arguments[1] == 'ShotCooldown' then
        return 0.01 -- Fast fire rate
    elseif _G.autoGuns and arguments[1] == 'FireMode' then
        return 'Automatic' -- Automatic fire mode
    elseif _G.noRecoil and (arguments[1] == 'RecoilMin' or arguments[1] == 'RecoilMax') then
        return 0 -- No recoil
    elseif _G.noSpread and (arguments[1] == 'MinSpread' or arguments[1] == 'MaxSpread') then
        return 0 -- No spread
    end

    return oldGetConfigValue(self, ...)
end