-- LocalScript (place in StarterPlayer > StarterPlayerScripts)
-- GUI name: "CEO OF SPEEDS AND MADE BY TWEEN GUY"
-- Purpose: Notification button + client-side ESP name tags for learning/admin use.
-- NOTE: This script does NOT provide anti-hit/invulnerability. I cannot help with that.

local Players = game:GetService("Players")
local RunService = game:GetService("RunService")

local localPlayer = Players.LocalPlayer

-- Create ScreenGui (top-level)
local screenGui = Instance.new("ScreenGui")
screenGui.Name = "CEO OF SPEEDS AND MADE BY TWEEN GUY"
screenGui.ResetOnSpawn = false
screenGui.Parent = localPlayer:WaitForChild("PlayerGui")

-- Style settings (tweak as desired)
local uiWidth = 260
local uiPadding = 8
local bgColor = Color3.fromRGB(30,30,30)
local accentColor = Color3.fromRGB(0,170,255)
local textColor = Color3.fromRGB(255,255,255)

-- Main frame
local mainFrame = Instance.new("Frame")
mainFrame.Name = "MainFrame"
mainFrame.Size = UDim2.new(0, uiWidth, 0, 110)
mainFrame.Position = UDim2.new(0, 20, 0, 20)
mainFrame.BackgroundColor3 = bgColor
mainFrame.BorderSizePixel = 0
mainFrame.Parent = screenGui
mainFrame.AnchorPoint = Vector2.new(0,0)

local uiCorner = Instance.new("UICorner", mainFrame)
uiCorner.CornerRadius = UDim.new(0, 8)

-- Title
local title = Instance.new("TextLabel")
title.Name = "Title"
title.Size = UDim2.new(1, -uiPadding*2, 0, 28)
title.Position = UDim2.new(0, uiPadding, 0, uiPadding)
title.BackgroundTransparency = 1
title.TextColor3 = textColor
title.Font = Enum.Font.GothamBold
title.Text = "CEO OF SPEEDS — MADE BY TWEEN GUY"
title.TextSize = 14
title.TextXAlignment = Enum.TextXAlignment.Left
title.Parent = mainFrame

-- Notification button
local notifButton = Instance.new("TextButton")
notifButton.Name = "NotificationButton"
notifButton.Size = UDim2.new(0, 110, 0, 32)
notifButton.Position = UDim2.new(0, uiPadding, 0, 40)
notifButton.BackgroundColor3 = accentColor
notifButton.TextColor3 = Color3.new(1,1,1)
notifButton.Font = Enum.Font.GothamSemibold
notifButton.Text = "NOTIFICATION"
notifButton.TextSize = 14
notifButton.AutoButtonColor = true
notifButton.Parent = mainFrame
local nbCorner = Instance.new("UICorner", notifButton)
nbCorner.CornerRadius = UDim.new(0,6)

-- ESP toggle button
local espButton = Instance.new("TextButton")
espButton.Name = "ESPButton"
espButton.Size = UDim2.new(0, 110, 0, 32)
espButton.Position = UDim2.new(0, uiPadding + 120, 0, 40)
espButton.BackgroundColor3 = Color3.fromRGB(60,60,60)
espButton.TextColor3 = textColor
espButton.Font = Enum.Font.GothamSemibold
espButton.Text = "ESP: OFF"
espButton.TextSize = 14
espButton.AutoButtonColor = true
espButton.Parent = mainFrame
local ebCorner = Instance.new("UICorner", espButton)
ebCorner.CornerRadius = UDim.new(0,6)

-- Notification area (top-right of mainFrame)
local notifArea = Instance.new("Frame")
notifArea.Name = "NotifArea"
notifArea.Size = UDim2.new(1, -uiPadding*2, 0, 26)
notifArea.Position = UDim2.new(0, uiPadding, 0, 80)
notifArea.BackgroundTransparency = 1
notifArea.Parent = mainFrame

local notifLabel = Instance.new("TextLabel")
notifLabel.Name = "NotifLabel"
notifLabel.Size = UDim2.new(1,0,1,0)
notifLabel.BackgroundTransparency = 1
notifLabel.TextColor3 = textColor
notifLabel.Font = Enum.Font.Gotham
notifLabel.TextSize = 14
notifLabel.Text = ""
notifLabel.TextXAlignment = Enum.TextXAlignment.Left
notifLabel.Parent = notifArea

-- Simple notification function
local notifTweenService = game:GetService("TweenService")
local function showNotification(text, duration)
    duration = duration or 3
    notifLabel.Text = text
    -- fade in
    notifLabel.TextTransparency = 1
    notifLabel.TextTransparency = 0
    -- simple coroutine to clear after duration
    delay(duration, function()
        -- fade out
        notifLabel.TextTransparency = 1
        wait(0.2)
        if notifLabel.Text == text then
            notifLabel.Text = ""
        end
    end)
end

-- ESP implementation (client-side) using BillboardGui attached to each character's Head.
local espOn = false
local espGuis = {} -- [player] = BillboardGui

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

    -- Avoid creating multiple
    if espGuis[player] then return end

    local billboard = Instance.new("BillboardGui")
    billboard.Name = "TweenGuyESP"
    billboard.AlwaysOnTop = true
    billboard.Size = UDim2.new(0, 140, 0, 32)
    billboard.StudsOffset = Vector3.new(0, 2.2, 0)
    billboard.Parent = head

    local bg = Instance.new("Frame", billboard)
    bg.Size = UDim2.new(1, 0, 1, 0)
    bg.BackgroundTransparency = 0.45
    bg.BackgroundColor3 = Color3.fromRGB(0,0,0)
    bg.BorderSizePixel = 0

    local nameLabel = Instance.new("TextLabel", bg)
    nameLabel.Size = UDim2.new(1, -8, 1, -4)
    nameLabel.Position = UDim2.new(0,4,0,2)
    nameLabel.BackgroundTransparency = 1
    nameLabel.Text = player.Name
    nameLabel.TextColor3 = Color3.fromRGB(255,255,255)
    nameLabel.Font = Enum.Font.GothamSemibold
    nameLabel.TextSize = 14
    nameLabel.TextStrokeTransparency = 0.6
    nameLabel.TextXAlignment = Enum.TextXAlignment.Center

    espGuis[player] = billboard
end

local function removeESPGui(player)
    local gui = espGuis[player]
    if gui and gui.Parent then
        gui:Destroy()
    end
    espGuis[player] = nil
end

-- Toggle function
local function setESP(on)
    espOn = on
    if espOn then
        espButton.Text = "ESP: ON"
        -- create for all existing players (except local)
        for _, p in pairs(Players:GetPlayers()) do
            if p ~= localPlayer and p.Character then
                createNameBillboardForCharacter(p, p.Character)
            end
        end
    else
        espButton.Text = "ESP: OFF"
        for p,_ in pairs(espGuis) do
            removeESPGui(p)
        end
    end
end

-- Connections to handle future players/character spawns
Players.PlayerAdded:Connect(function(p)
    p.CharacterAdded:Connect(function(char)
        if espOn and p ~= localPlayer then
            createNameBillboardForCharacter(p, char)
        end
    end)
end)

-- Remove guis when player leaves
Players.PlayerRemoving:Connect(function(p)
    removeESPGui(p)
end)

-- Also remove if characters die/reset
local function onCharacterRemoving(char)
    for p, gui in pairs(espGuis) do
        if gui and gui.Parent and gui.Parent:IsDescendantOf(char) then
            removeESPGui(p)
        end
    end
end

-- Button callbacks
notifButton.MouseButton1Click:Connect(function()
    showNotification("Hello! This is a notification.", 3)
end)

espButton.MouseButton1Click:Connect(function()
    setESP(not espOn)
end)

-- On load: create ESP for players already present (character added might not have happened)
for _, p in pairs(Players:GetPlayers()) do
    if p ~= localPlayer and p.Character then
        -- small delay to ensure Head exists
        spawn(function()
            wait(0.1)
            if espOn then
                createNameBillboardForCharacter(p, p.Character)
            end
        end)
    end

    -- watch for subsequent character spawns
    p.CharacterAdded:Connect(function(char)
        if espOn and p ~= localPlayer then
            createNameBillboardForCharacter(p, char)
        end
    end)
end

-- Initial state: ESP off
setESP(false)

-- OPTIONAL: A small hint label
local hint = Instance.new("TextLabel")
hint.Size = UDim2.new(1, -uiPadding*2, 0, 14)
hint.Position = UDim2.new(0, uiPadding, 1, -20)
hint.BackgroundTransparency = 1
hint.TextColor3 = Color3.fromRGB(180,180,180)
hint.Font = Enum.Font.Gotham
hint.TextSize = 12
hint.Text = "For development use only. No invulnerability / anti-hit features included."
hint.Parent = mainFrame