--!optimize 2
--!native
--!strict

local Flashlight = {}
Flashlight.__index = Flashlight

type UDP = UnreliableRemoteEvent
type FlashlightUDP = RBXScriptConnection
type LocalPlayer = Player
type HumanoidRootPart = BasePart

type EulerXYZ_struct = {number}

Flashlight.Enabled = false
Flashlight.HeadHeight = 1

local CharacterShared = _G.include(script, "CharacterShared")

local Flashlight_UDP = Instance.new("UnreliableRemoteEvent") :: UDP
Flashlight_UDP.Name = "Flashlight"
Flashlight_UDP.Parent = CharacterShared

local FlashlightUDP_Event: FlashlightUDP?

local function FlashlightPart(HumanoidRootPart: HumanoidRootPart): (Part, SpotLight, Sound)
	local FlashlightPart = Instance.new("Part") :: Part
	FlashlightPart.Size = Vector3.new(.1,.1,.1)
	FlashlightPart.CFrame = HumanoidRootPart.CFrame+Vector3.yAxis
	FlashlightPart.CanCollide = false
	FlashlightPart.CastShadow = false
	FlashlightPart.Anchored = true
	FlashlightPart.Transparency = 1

	local SpotLight = Instance.new("SpotLight") :: SpotLight
	SpotLight.Color = Color3.new(1,1,1)
	SpotLight.Angle = 80
	SpotLight.Range = 30
	SpotLight.Brightness = 2
	SpotLight.Shadows = true
	SpotLight.Enabled = false
	SpotLight.Parent = FlashlightPart

	local ToggleSound = Instance.new("Sound") :: Sound
	ToggleSound.Name = "Flashlight"
	ToggleSound.SoundId = "rbxassetid://16454678462"
	ToggleSound.Volume = .5
	ToggleSound.Parent = HumanoidRootPart

	FlashlightPart.Parent = HumanoidRootPart

	return FlashlightPart, SpotLight, ToggleSound
end

function Flashlight.constructor(LocalPlayer: LocalPlayer, HumanoidRootPart: HumanoidRootPart)
	local FlashlightPart, SpotLight, ToggleSound = FlashlightPart(HumanoidRootPart)

	if FlashlightUDP_Event then
		warn("[Server Flashlight]: UDP event was already created, duplicating...", debug.traceback())
	end
	FlashlightUDP_Event = Flashlight_UDP.OnServerEvent:Connect(function(Messenger: Player, CameraEuler: EulerXYZ_struct)
		if Messenger.UserId == LocalPlayer.UserId then
			if CameraEuler[4] and CameraEuler[4] == 3 then
				local RootPartCFrame = HumanoidRootPart.CFrame
				FlashlightPart.CFrame = CFrame.new(
					RootPartCFrame.X,
					RootPartCFrame.Y+Flashlight.HeadHeight,
					RootPartCFrame.Z)*CFrame.Angles(CameraEuler[1], CameraEuler[2], CameraEuler[3])
			end
		else
			Messenger:Kick(`"{Messenger.Name}", {Messenger.UserId} r="{Flashlight_UDP.Name}", 1="{tostring(CameraEuler)}"`)
		end
	end)

	return setmetatable({
		FlashlightPart = FlashlightPart,
		SpotLight      = SpotLight,
		ToggleSound    = ToggleSound
	}, Flashlight)
end

function Flashlight:On()
	Flashlight.Enabled = true

	(self.ToggleSound :: Sound):Play();
	(self.SpotLight :: SpotLight).Enabled = Flashlight.Enabled
end

function Flashlight:Off()
	Flashlight.Enabled = false

	(self.ToggleSound :: Sound):Play();
	(self.SpotLight :: SpotLight).Enabled = Flashlight.Enabled
end

function Flashlight:Toggle()
	if Flashlight.Enabled then
		self:Off()
	else
		self:On()
	end
end

function Flashlight:SetCFrame(CameraCFrame: CFrame)

end

return Flashlight