-- CONFIGURATION
local VERIFIED_USER_ID = 12345678 -- 🔁 Replace by your roblox id

-- SERVICES
local Players = game:GetService("Players")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local StarterGui = game:GetService("StarterGui")

-- 🔧 Créer RemoteEvent s'il n'existe pas
local eventName = "CustomChatEvent"
local chatEvent = ReplicatedStorage:FindFirstChild(eventName)
if not chatEvent then
    chatEvent = Instance.new("RemoteEvent")
    chatEvent.Name = eventName
    chatEvent.Parent = ReplicatedStorage
end

-- 🖼️ Créer GUI dans StarterGui s'il n'existe pas
local guiName = "CustomChatGui"
local existingGui = StarterGui:FindFirstChild(guiName)
if not existingGui then
    local screenGui = Instance.new("ScreenGui")
    screenGui.Name = guiName
    screenGui.ResetOnSpawn = false

    local chatFrame = Instance.new("ScrollingFrame")
    chatFrame.Name = "ChatFrame"
    chatFrame.Size = UDim2.new(0, 400, 0, 250)
    chatFrame.Position = UDim2.new(0, 20, 1, -270)
    chatFrame.CanvasSize = UDim2.new(0, 0, 5, 0)
    chatFrame.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
    chatFrame.BorderSizePixel = 0
    chatFrame.ScrollBarThickness = 6
    chatFrame.Parent = screenGui

    screenGui.Parent = StarterGui
end

-- 📜 Code client injecté automatiquement
local function createClientScript()
    local scriptSource = [[
        local Players = game:GetService("Players")
        local ReplicatedStorage = game:GetService("ReplicatedStorage")

        local localPlayer = Players.LocalPlayer
        local playerGui = localPlayer:WaitForChild("PlayerGui")
        local chatGui = playerGui:WaitForChild("CustomChatGui")
        local chatFrame = chatGui:WaitForChild("ChatFrame")

        local VERIFIED_USER_ID = ]] .. VERIFIED_USER_ID .. [[

        local onMessage = ReplicatedStorage:WaitForChild("CustomChatEvent")

        onMessage.OnClientEvent:Connect(function(senderName, senderUserId, message)
            local label = Instance.new("TextLabel")
            label.Size = UDim2.new(1, 0, 0, 24)
            label.BackgroundTransparency = 1
            label.TextXAlignment = Enum.TextXAlignment.Left
            label.Font = Enum.Font.Gotham
            label.TextSize = 16
            label.TextWrapped = true
            label.RichText = true

            if senderUserId == VERIFIED_USER_ID then
                label.Text = "<font color='rgb(0,170,255)'>[✓] " .. senderName .. "</font>: " .. message
            else
                label.Text = senderName .. ": " .. message
                label.TextColor3 = Color3.fromRGB(255, 255, 255)
            end

            label.Parent = chatFrame
            chatFrame.CanvasPosition = Vector2.new(0, chatFrame.CanvasSize.Y.Offset)
        end)
    ]]

    return scriptSource
end

-- Injecter le client script à chaque joueur
Players.PlayerAdded:Connect(function(player)
	player.Chatted:Connect(function(msg)
		chatEvent:FireAllClients(player.DisplayName, player.UserId, msg)
	end)

	player.CharacterAdded:Connect(function()
		local starterScript = player:WaitForChild("PlayerGui")

		local localScript = Instance.new("LocalScript")
		localScript.Name = "ChatClient"
		localScript.Source = createClientScript()
		localScript.Parent = starterScript
	end)
end)