local Players = game:GetService("Players")
local LocalPlayer = Players.LocalPlayer

local function addNameTag(character, playerName)
    local head = character:FindFirstChild("Head")
    if not head then return end

    if head:FindFirstChild("NameTag") then return end

    local billboardGui = Instance.new("BillboardGui")
    billboardGui.Name = "NameTag"
    billboardGui.Adornee = head
    billboardGui.Size = UDim2.new(0, 200, 0, 50)
    billboardGui.StudsOffset = Vector3.new(0, 2.5, 0)
    billboardGui.AlwaysOnTop = true
    billboardGui.Parent = head

    local textLabel = Instance.new("TextLabel")
    textLabel.Size = UDim2.new(1, 0, 1, 0)
    textLabel.BackgroundTransparency = 1
    textLabel.Text = playerName
    textLabel.TextColor3 = Color3.new(1, 1, 1)
    textLabel.TextStrokeColor3 = Color3.new(0, 0, 0)
    textLabel.TextStrokeTransparency = 0
    textLabel.TextScaled = true
    textLabel.Font = Enum.Font.SourceSansBold
    textLabel.Parent = billboardGui
end

local function highlightCharacter(character)

    if character:FindFirstChild("Highlight") then return end

    local highlight = Instance.new("Highlight")
    highlight.FillColor = Color3.fromRGB(144, 238, 144) 
    highlight.OutlineColor = Color3.new(0, 0, 0)
    highlight.Parent = character
end

local function onPlayerAdded(player)
    if player == LocalPlayer then return end 

    local function onCharacterAdded(character)
        highlightCharacter(character)
        addNameTag(character, player.Name)
    end

    player.CharacterAdded:Connect(onCharacterAdded)

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

for _, player in pairs(Players:GetPlayers()) do
    onPlayerAdded(player)
end

Players.PlayerAdded:Connect(onPlayerAdded)