local UserInputService = game:GetService("UserInputService")
local Players = game:GetService("Players")
local CoreGui = game:GetService("CoreGui")
local lp = Players.LocalPlayer

local FillColor = Color3.fromRGB(175, 25, 255)
local DepthMode = "AlwaysOnTop"
local FillTransparency = 0.5
local OutlineColor = Color3.fromRGB(255, 255, 255)
local OutlineTransparency = 0

local Storage = Instance.new("Folder")
Storage.Name = "Highlight_Storage"
Storage.Parent = CoreGui

local connections = {}
local active = false

local function createBillboard(player)
	local character = player.Character
	if not character then return end
	local head = character:FindFirstChild("Head")
	if not head then return end

	local billboard = Instance.new("BillboardGui")
	billboard.Name = "NameTag"
	billboard.Size = UDim2.new(0, 100, 0, 40)
	billboard.StudsOffset = Vector3.new(0, 2.5, 0)
	billboard.Adornee = head
	billboard.AlwaysOnTop = true
	billboard.Parent = head

	local nameLabel = Instance.new("TextLabel")
	nameLabel.Size = UDim2.new(1, 0, 0.5, 0)
	nameLabel.Position = UDim2.new(0, 0, 0, 0)
	nameLabel.BackgroundTransparency = 1
	nameLabel.TextColor3 = Color3.new(1, 1, 1)
	nameLabel.TextStrokeTransparency = 0
	nameLabel.TextScaled = true
	nameLabel.Font = Enum.Font.SourceSansBold
	nameLabel.Text = player.Name
	nameLabel.Parent = billboard

	local imageLabel = Instance.new("ImageLabel")
	imageLabel.Size = UDim2.new(0.5, 0, 0.5, 0)
	imageLabel.Position = UDim2.new(0.25, 0, 0.5, 0)
	imageLabel.BackgroundTransparency = 1
	imageLabel.Image = "https://www.roblox.com/headshot-thumbnail/image?userId=" .. player.UserId .. "&width=420&height=420&format=png"
	imageLabel.Parent = billboard
end

local function Highlight(player)
	local hl = Instance.new("Highlight")
	hl.Name = player.Name
	hl.FillColor = FillColor
	hl.DepthMode = DepthMode
	hl.FillTransparency = FillTransparency
	hl.OutlineColor = OutlineColor
	hl.OutlineTransparency = OutlineTransparency
	hl.Parent = Storage

	local function onCharacter(char)
		hl.Adornee = char
		createBillboard(player)
	end

	if player.Character then
		onCharacter(player.Character)
	end

	connections[player] = player.CharacterAdded:Connect(onCharacter)
end

local function RemoveHighlight(player)
	if Storage:FindFirstChild(player.Name) then
		Storage[player.Name]:Destroy()
	end
	if connections[player] then
		connections[player]:Disconnect()
		connections[player] = nil
	end
	if player.Character and player.Character:FindFirstChild("Head") then
		local head = player.Character.Head
		if head:FindFirstChild("NameTag") then
			head.NameTag:Destroy()
		end
	end
end

local function ToggleHighlights()
	active = not active
	if active then
		for _, player in ipairs(Players:GetPlayers()) do
			if player ~= lp then
				Highlight(player)
			end
		end
	else
		for _, player in ipairs(Players:GetPlayers()) do
			RemoveHighlight(player)
		end
	end
end

UserInputService.InputBegan:Connect(function(input, processed)
	if processed then return end
	if input.KeyCode == Enum.KeyCode.M then
		ToggleHighlights()
	end
end)

Players.PlayerAdded:Connect(function(player)
	if active then
		Highlight(player)
	end
end)

Players.PlayerRemoving:Connect(RemoveHighlight)