-- Services
local UIS = game:GetService("UserInputService")
local RS = game:GetService("RunService")
local TS = game:GetService("TweenService")

-- Player & Character references
local player = game.Players.LocalPlayer
local char = player.Character or player.CharacterAdded:Wait()
local root = char:WaitForChild("HumanoidRootPart")
local camera = workspace.CurrentCamera
local humanoid = char:WaitForChild("Humanoid")
local controlModule = require(player.PlayerScripts.PlayerModule.ControlModule)

-- Constantes
local FLY_SPEED = 80

-- Flying state
local LocalFlying = false

-- Input flags
local ctrl = false
local spaceKey = false
local flyKey = Enum.KeyCode.F

-- Name constants for created instances
local LvName = "flyLinearVelocity"
local AoName = "flyAlignOrientation"

-- Zoom helper (opcional)
local function Zoom(targetFOV, duration, repeatCount)
	local tweenInfo = TweenInfo.new(duration, Enum.EasingStyle.Linear, Enum.EasingDirection.Out, repeatCount, false, 0)
	local tween = TS:Create(camera, tweenInfo, { FieldOfView = targetFOV })
	tween:Play()
end

-- Start flying
local function startFlying()
	if LocalFlying then return end

	local LV = Instance.new("LinearVelocity", root)
	local AO = Instance.new("AlignOrientation", root)

	LV.MaxForce = math.huge
	AO.MaxTorque = math.huge
	AO.Mode = Enum.OrientationAlignmentMode.OneAttachment

	LV.Attachment0 = root.RootAttachment
	AO.Attachment0 = root.RootAttachment

	LV.Name = LvName
	AO.Name = AoName

	humanoid.PlatformStand = true
	LocalFlying = true
end

-- Stop flying
local function stopFlying()
	if not LocalFlying then return end

	local LV = root:FindFirstChild(LvName)
	local AO = root:FindFirstChild(AoName)

	humanoid.PlatformStand = false
	LocalFlying = false

	if LV then LV:Destroy() end
	if AO then AO:Destroy() end

	Zoom(70, 0.3, 0)
end

-- Input began
UIS.InputBegan:Connect(function(input, gameProcessed)
	if gameProcessed then return end

	if input.KeyCode == flyKey then
		if not LocalFlying then
			startFlying()
		else
			stopFlying()
		end
	end

	if input.KeyCode == Enum.KeyCode.Space and LocalFlying then
		spaceKey = true
	end
	if input.KeyCode == Enum.KeyCode.LeftControl and LocalFlying then
		ctrl = true
	end
end)

-- Input ended
UIS.InputEnded:Connect(function(input)
	if input.KeyCode == Enum.KeyCode.Space then
		spaceKey = false
	end
	if input.KeyCode == Enum.KeyCode.LeftControl then
		ctrl = false
	end
end)

-- Main flight loop
RS.Heartbeat:Connect(function()
	if LocalFlying then
		local LV = root:FindFirstChild(LvName)
		local AO = root:FindFirstChild(AoName)
		if not LV or not AO then return end

		local moveVector = controlModule:GetMoveVector()
		local direction = camera.CFrame:VectorToWorldSpace(moveVector)

		if moveVector.Magnitude ~= 0 then
			TS:Create(LV, TweenInfo.new(0.3), { VectorVelocity = direction * FLY_SPEED }):Play()
		else
			TS:Create(LV, TweenInfo.new(0.3), { VectorVelocity = Vector3.new(0, 0, 0) }):Play()
			Zoom(70, 0.3, 0)
		end

		if spaceKey then
			LV.VectorVelocity = LV.VectorVelocity + Vector3.new(0, FLY_SPEED / 15, 0)
		elseif ctrl then
			LV.VectorVelocity = LV.VectorVelocity - Vector3.new(0, FLY_SPEED / 15, 0)
		end

		if moveVector.Magnitude > 0 then
			--AO.CFrame = CFrame.new(root.Position, root.Position + direction)
			AO.RigidityEnabled = true
			AO.Responsiveness = 50
		else
			AO.CFrame = camera.CFrame
			AO.RigidityEnabled = false
			AO.Responsiveness = 10
		end

		AO.CFrame = camera.CFrame
	end
end)

-- Cleanup
player.CharacterRemoving:Connect(function()
	stopFlying()
end)

script.Parent.AncestryChanged:Connect(function(_, parent)
	if not parent then
		stopFlying()
	end
end)