local Myself:Player? = game:GetService("Players").LocalPlayer
local MyMouse:Mouse = Myself:GetMouse()
local MyCharacter:Model = script.Parent
local MyCamera:Camera = workspace.CurrentCamera


local UserInput:UserInputService = game:GetService("UserInputService")
local RunService:RunService = game:GetService("RunService")
local Storage = game:GetService('ReplicatedStorage')


local Keycodes = Enum.KeyCode
local InputTypes = Enum.UserInputType


local ControllerBindings = {ButtonR2 = "Grab", ButtonL1 = "ZoomIn", ButtonR1 = "ZoomOut"}
local KeyboardBindings = { MouseButton1 = "Grab", Q = "ZoomIn", E = "ZoomOut"}
local BindingTypes = {GamePad1 = ControllerBindings,MouseButton1 = KeyboardBindings,MouseButton2 = KeyboardBindings,Keyboard = KeyboardBindings}
local DirectionToCF = {Up = CFrame.Angles(0,math.rad(100),0),Down=CFrame.Angles(0,math.rad(-100),0)}


local RayParams:RaycastParams = RaycastParams.new()
RayParams.RespectCanCollide = true
RayParams.FilterDescendantsInstances = {MyCharacter}


local GrabOrientation:AlignOrientation = script.AlignOrientation
local GrabPosition:AlignPosition = script.AlignPosition
local GrabAttachment:Attachment
local GrabDetails = {}
local Zooming = 0
local Turning:CFrame = CFrame.Angles(0,0,0)
local ZoomSpeed = 5
local MaxDistance = 8
local DistanceBuffer = 4
---------------------

local Checker = require(Storage.Modules.GrabbableChecker)
local PlateHandler = require(Storage.Modules.PlateHandler)


function Drop()
	GrabDetails["Part"],GrabDetails["Distance"] = nil
	GrabPosition.Attachment0,GrabOrientation.Attachment0 = nil
	GrabAttachment:Destroy()
	Storage.Events.Release:FireServer()
end
function Rotate(Up:number)
	if GrabDetails["Orientation"] then
		if UserInput:IsKeyDown(Enum.KeyCode.LeftControl) then
			GrabDetails["Orientation"] *= CFrame.Angles(math.rad(10 * Up),0,0)
		else
			GrabDetails["Orientation"] *= CFrame.Angles(0,math.rad(10 * Up),0)
		end
	end
end
MyMouse.WheelForward:Connect(function() Rotate(1) end)
MyMouse.WheelBackward:Connect(function() Rotate(-1) end)

UserInput.InputBegan:Connect(function(input,InGUI)
	if not InGUI then
		local KeyCode = input.KeyCode.Name
		local InputType = input.UserInputType.Name
		local Bindings = BindingTypes[InputType]
		if Bindings then Action = Bindings[InputType] or Bindings[KeyCode] else return; end

		if Action == "Grab" then
			local CameraCF:CFrame = MyCamera.CFrame
			local GrabRay:RaycastResult = workspace:Raycast(CameraCF.Position,CameraCF.LookVector.Unit * MaxDistance,RayParams)

			if GrabRay then
				local Target:Part = GrabRay.Instance
				Checker.Check(Target)
				if Checker.Grabbable then
					PlateHandler.DetachFromPlate(Target)

					GrabDetails["Part"], GrabDetails["Distance"] = Target, GrabRay.Distance


					local GrabOffset = Target:GetAttribute("GrabOffset")

					GrabDetails["Part"],GrabDetails["Distance"] = Target,GrabRay.Distance
					local Offset:CFrame = Target:GetAttribute("GrabOffset")
					if not Offset then
						Offset = CFrame.new(0,0,0)
						GrabDetails["Orientation"] = CameraCF:ToObjectSpace(Target.CFrame)
					else
						GrabDetails["Orientation"] = Offset
					end

					GrabAttachment = Instance.new("Attachment")
					GrabAttachment.Parent = Target
					GrabAttachment.WorldPosition = GrabRay.Position
					GrabPosition.Attachment0,GrabOrientation.Attachment0 = GrabAttachment,GrabAttachment
					GrabAttachment.Destroying:Connect(Drop)

					Storage.Events.Grab:FireServer(Target)
				end
			end
			elseif Action == "ZoomIn" then Zooming = -1
			elseif Action == "ZoomOut" then Zooming = 1
		end
	end
end)

UserInput.InputEnded:Connect(function(input)
	local KeyCode = input.KeyCode.Name
	local InputType = input.UserInputType.Name
	local Bindings = BindingTypes[InputType]

	if Bindings then Action = Bindings[KeyCode] or Bindings[InputType]
	else return end

	if Action == "Grab" and GrabDetails["Part"] then Drop()
	elseif Action == "ZoomIn" or Action == "ZoomOut" then Zooming = 0
	elseif DirectionToCF[Action] then Turning = CFrame.Angles(0,0,0) end
end)

RunService.Heartbeat:Connect(function(delta)
	local CameraCF:CFrame = MyCamera.CFrame
	if GrabDetails["Distance"] then
		GrabDetails["Distance"] = math.clamp(GrabDetails["Distance"] + Zooming * ZoomSpeed * delta,1,MaxDistance)
		GrabPosition.Position = CameraCF.Position + CameraCF.LookVector.Unit * GrabDetails["Distance"]
		GrabOrientation.CFrame = CameraCF:ToWorldSpace(GrabDetails["Orientation"])

		if (GrabDetails["Part"].Position - CameraCF.Position).Magnitude > MaxDistance + DistanceBuffer  then
			Drop()
		end
	end
end)