local UIS = game:GetService("UserInputService")
local RS = game:GetService("ReplicatedStorage")

local events = RS:WaitForChild("Events")
local gunFired = events:WaitForChild("GunFired")

local gun = script.Parent
local handle = gun:WaitForChild("Handle")
local config = gun:WaitForChild("Config")
local fireRate = config:WaitForChild("FireRate")

local character = gun.Parent

local fireBegin = nil
local fireStop = nil
local firing = false

gun.Equipped:Connect(function()
	if fireBegin or fireStop or firing then
		fireBegin:Disconnect()
		fireStop:Disconnect()
		fireBegin = nil
		fireStop = nil
		firing = false
	end
	fireBegin = UIS.InputBegan:Connect(function(input, GPE)
		if GPE then return end
		if input.UserInputType == Enum.UserInputType.MouseButton1 then
			firing = true
			while firing do
				local direction
				local mousePosition = UIS:GetMouseLocation()
				local mouseRay = workspace.Camera:ViewportPointToRay(mousePosition.X, mousePosition.Y)
				local raycastParams = RaycastParams.new()
				raycastParams.FilterType = Enum.RaycastFilterType.Blacklist
				raycastParams.FilterDescendantsInstances = {gun, character}
				local raycastResult = workspace:Raycast(mouseRay.Origin, mouseRay.Direction * 1000, raycastParams)
				if raycastResult then
					direction = CFrame.lookAt(handle.Barrel.WorldPosition, raycastResult.Position)
				else
					direction = CFrame.lookAt(handle.Barrel.WorldPosition, mouseRay.Origin)
				end
				gunFired:FireServer(gun, direction)
				task.wait(1 / fireRate.Value)
			end
		end
	end)

	fireStop = UIS.InputEnded:Connect(function(input, GPE)
		if GPE then return end
		if input.UserInputType == Enum.UserInputType.MouseButton1 then
			firing = false
		end
	end)
end)

gun.Unequipped:Connect(function()
	if fireBegin or fireStop or firing then
		fireBegin:Disconnect()
		fireStop:Disconnect()
		fireBegin = nil
		fireStop = nil
		firing = false
	end
end)