local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local Debris = game:GetService("Debris")

local player = Players.LocalPlayer
local scriptInstance = script

local normalSpeed = game.StarterPlayer.CharacterWalkSpeed  -- Default walk speed { DO NOT CHANGE }
local boostedSpeed = 30 -- Speed when toggled { CHANGE IF YOU WANT }
local speedStep = 5      -- Speed adjustment step { CHANGE IF YOU WANT }
local maxSpeed = 1000    -- Maximum walk speed { CHANGE IF YOU WANT }
local minSpeed = 10      -- Minimum walk speed { CHANGE IF YOU WANT }

local isBoosted = false
local lastSemicolonPress = 0
local inputConnection
local tutorialShown = false

-- Function to display speed change notification
local function displayText(text, bool, lineCount)
	if not bool then return end
	local screenGui = Instance.new("ScreenGui")
	screenGui.Parent = player:FindFirstChild("PlayerGui")

	local textLabel = Instance.new("TextLabel")
	textLabel.Size = UDim2.new(0, 400, 0, 100 * (lineCount or 1))
	textLabel.Position = UDim2.new(0.5, -200, 0.1, 0)
	textLabel.BackgroundTransparency = 0.2
	textLabel.BackgroundColor3 = Color3.new(0, 0, 0)
	textLabel.TextColor3 = Color3.new(1, 1, 1)
	textLabel.TextScaled = true
	textLabel.Text = text
	textLabel.Parent = screenGui

	Debris:AddItem(screenGui, 2) -- Remove GUI after 2 seconds
end

-- Function to show tutorial
local function showTutorial()
	task.wait(5) -- Delay before showing tutorial
	if not tutorialShown then
		tutorialShown = true
		displayText(string.format(
			"Page Up = Increase WalkSpeed \nPage Down = Decrease WalkSpeed \nHome = Toggle Speed Change \nSemicolon [ ; ] (2x) = Delete Code"), 
			true, 4
		)
	end
end

-- DO NOT MESS IF YOU DON'T KNOW WHAT TO DO!!
local function setupCharacter(character)
	local humanoid = character:WaitForChild("Humanoid")

	-- Function to update speed based on toggle state
	local function updateSpeed()
		if isBoosted then
			humanoid.WalkSpeed = boostedSpeed
		else
			humanoid.WalkSpeed = normalSpeed
		end
	end

	-- Apply correct speed when character resets
	updateSpeed()

	-- Detect WalkSpeed changes and reset if toggled
	humanoid:GetPropertyChangedSignal("WalkSpeed"):Connect(function()
		updateSpeed()
	end)

	-- Disconnect previous input connection to prevent duplication
	if inputConnection then
		inputConnection:Disconnect()
	end

	-- Key input handling
	inputConnection = UserInputService.InputBegan:Connect(function(input, gameProcessed)
		if gameProcessed then return end

		if input.KeyCode == Enum.KeyCode.Home then
			isBoosted = not isBoosted
			updateSpeed()
			displayText(string.format("Speed Toggled: %s", isBoosted and "ON" or "OFF"), true, 1)
		elseif input.KeyCode == Enum.KeyCode.PageUp then
			if isBoosted then
				boostedSpeed = math.min(boostedSpeed + speedStep, maxSpeed)
				updateSpeed()
				displayText(string.format("Changed WalkSpeed to %d", humanoid.WalkSpeed), true, 1)
			end
		elseif input.KeyCode == Enum.KeyCode.PageDown then
			if isBoosted then
				boostedSpeed = math.max(boostedSpeed - speedStep, minSpeed)
				updateSpeed()
				displayText(string.format("Changed WalkSpeed to %d", humanoid.WalkSpeed), true, 1)
			end
		elseif input.KeyCode == Enum.KeyCode.Semicolon then
			local currentTime = tick()
			if currentTime - lastSemicolonPress <= 0.5 then
				displayText("Script destroyed!", true, 1)  -- Notify before destroying
				task.wait(0.5)  -- Small delay so message is visible
				scriptInstance:Destroy()
			end
			lastSemicolonPress = currentTime
		end
	end)
end

-- Setup character initially and on respawn
if player.Character then
	setupCharacter(player.Character)
	showTutorial()
end
player.CharacterAdded:Connect(function(character)
	setupCharacter(character)
	showTutorial()
end)