local Players = game:GetService("Players")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local UIS = game:GetService("UserInputService")

local player = Players.LocalPlayer
local remote = ReplicatedStorage:WaitForChild("RemoteEvents"):WaitForChild("GlobalMessage")

-- GUI
local gui = Instance.new("ScreenGui")
gui.Name = "GlobalChatGui"
gui.ResetOnSpawn = false
gui.Parent = player:WaitForChild("PlayerGui")

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 260, 0, 170)
frame.Position = UDim2.new(0, 100, 0.6, 0)
frame.BackgroundColor3 = Color3.fromRGB(30,30,30)
frame.BorderSizePixel = 0
frame.Active = true
frame.Parent = gui

-- title bar (drag area)
local title = Instance.new("TextLabel")
title.Size = UDim2.new(1, 0, 0, 25)
title.BackgroundColor3 = Color3.fromRGB(20,20,20)
title.Text = "Global Chat"
title.TextColor3 = Color3.new(1,1,1)
title.Font = Enum.Font.SourceSansBold
title.TextSize = 18
title.Parent = frame

-- textbox
local box = Instance.new("TextBox")
box.Size = UDim2.new(1, -20, 0, 35)
box.Position = UDim2.new(0, 10, 0, 35)
box.PlaceholderText = "Enter message..."
box.Text = ""
box.ClearTextOnFocus = false
box.BackgroundColor3 = Color3.fromRGB(45,45,45)
box.TextColor3 = Color3.new(1,1,1)
box.Parent = frame

-- color preview
local preview = Instance.new("Frame")
preview.Size = UDim2.new(0, 40, 0, 40)
preview.Position = UDim2.new(1, -50, 0, 80)
preview.BackgroundColor3 = Color3.new(1,1,1)
preview.BorderSizePixel = 0
preview.Parent = frame

-- RGB sliders
local function createSlider(name, y)
	local label = Instance.new("TextLabel")
	label.Size = UDim2.new(0, 20, 0, 20)
	label.Position = UDim2.new(0, 10, 0, y)
	label.Text = name
	label.BackgroundTransparency = 1
	label.TextColor3 = Color3.new(1,1,1)
	label.Parent = frame

	local slider = Instance.new("TextBox")
	slider.Size = UDim2.new(0, 50, 0, 20)
	slider.Position = UDim2.new(0, 30, 0, y)
	slider.Text = "255"
	slider.BackgroundColor3 = Color3.fromRGB(50,50,50)
	slider.TextColor3 = Color3.new(1,1,1)
	slider.Parent = frame

	return slider
end

local rBox = createSlider("R", 80)
local gBox = createSlider("G", 105)
local bBox = createSlider("B", 130)

-- send button
local send = Instance.new("TextButton")
send.Size = UDim2.new(0, 80, 0, 30)
send.Position = UDim2.new(1, -90, 1, -35)
send.Text = "Send"
send.BackgroundColor3 = Color3.fromRGB(60,60,60)
send.TextColor3 = Color3.new(1,1,1)
send.Parent = frame

-- update color preview
local currentColor = Color3.new(1,1,1)

local function updateColor()
	local r = tonumber(rBox.Text) or 255
	local g = tonumber(gBox.Text) or 255
	local b = tonumber(bBox.Text) or 255
	
	r = math.clamp(r,0,255)
	g = math.clamp(g,0,255)
	b = math.clamp(b,0,255)

	currentColor = Color3.fromRGB(r,g,b)
	preview.BackgroundColor3 = currentColor
end

rBox.FocusLost:Connect(updateColor)
gBox.FocusLost:Connect(updateColor)
bBox.FocusLost:Connect(updateColor)

updateColor()

-- send message (TEXT DOES NOT DELETE)
send.MouseButton1Click:Connect(function()
	local text = box.Text
	if text ~= "" then
		local args = {
			text,
			currentColor
		}
		remote:FireServer(unpack(args))
	end
end)

-- DRAG SYSTEM
local dragging = false
local dragStart
local startPos

title.InputBegan:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		dragging = true
		dragStart = input.Position
		startPos = frame.Position
		
		input.Changed:Connect(function()
			if input.UserInputState == Enum.UserInputState.End then
				dragging = false
			end
		end)
	end
end)

UIS.InputChanged:Connect(function(input)
	if dragging and input.UserInputType == Enum.UserInputType.MouseMovement then
		local delta = input.Position - dragStart
		frame.Position = UDim2.new(
			startPos.X.Scale,
			startPos.X.Offset + delta.X,
			startPos.Y.Scale,
			startPos.Y.Offset + delta.Y
		)
	end
end)