local PochangUI = {}
print("enjoy!")

-- Services
local Players = game:GetService("Players")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local RunService = game:GetService("RunService")
local Player = Players.LocalPlayer

-- Load GUI
local gui
if RunService:IsStudio() then
	gui = ReplicatedStorage:WaitForChild("RobloxPanelApp"):Clone()
	gui.Parent = Player:WaitForChild("PlayerGui")
else
	gui = game:GetObjects("rbxassetid://83748361362401")[1]
	gui.Parent = game:GetService("CoreGui")
end

local disabled = false
local tabs = 0

-- Tab template
local tabTemplate = {
	Index = 0,
	Name = "template",
	Elements = {},
	ElementsCount = 0,
	FrameInstance = nil,
}

-- CreateLabel method
function tabTemplate:CreateLabel(text: string)
	if text ~= nil then
		self.ElementsCount += 1

		local templatesFolder = gui:FindFirstChild("templates")
		local labelTemplate = templatesFolder and templatesFolder:FindFirstChild("Label")

		if not labelTemplate then
			warn("Missing 'Label' TextLabel inside templates folder")
			return nil
		end

		local labelgui = labelTemplate:Clone()
		labelgui.Text = text
		labelgui.Name = "Label_" .. tostring(self.ElementsCount)
		labelgui.Visible = true

		if not self.FrameInstance then
			warn("FrameInstance is nil for tab '" .. self.Name .. "' — call CreateLabel on a tab returned by CreateTab")
			return nil
		end

		labelgui.Parent = self.FrameInstance
		table.insert(self.Elements, labelgui)

		print("Label created:", labelgui.Name, "Parent:", labelgui.Parent.Name)
		return labelgui
	end
end

function tabTemplate:CreateButton(text: string, callback: ()->())
	if text ~= nil then
		self.ElementsCount += 1

		local templatesFolder = gui:FindFirstChild("templates")
		local buttonTemplate = templatesFolder and templatesFolder:FindFirstChild("Button")

		if not buttonTemplate then
			warn("Missing 'Button' TextButton inside templates folder")
			return nil
		end

		local buttongui = buttonTemplate:Clone()
		buttongui.Text = text
		buttongui.Name = "Button_" .. tostring(self.ElementsCount)
		buttongui.Visible = true

		if not self.FrameInstance then
			warn("FrameInstance is nil for tab '" .. self.Name .. "' — call CreateButton on a tab returned by CreateTab")
			return nil
		end

		-- Use MouseButton1Click for PC clicks
		buttongui.MouseButton1Click:Connect(function()
			if callback then
				callback()
			end
		end)

		buttongui.Parent = self.FrameInstance
		table.insert(self.Elements, buttongui)

		print("Button created:", buttongui.Name, "Parent:", buttongui.Parent.Name)
		return buttongui
	end
end

function tabTemplate:CreateInput(placeholder: string, callback: (string)->())
	self.ElementsCount += 1

	local templatesFolder = gui:FindFirstChild("templates")
	local inputTemplate = templatesFolder and templatesFolder:FindFirstChild("Input")

	if not inputTemplate then
		warn("Missing 'Input' TextBox inside templates folder")
		return nil
	end

	local inputgui = inputTemplate:Clone()
	inputgui.PlaceholderText = placeholder or "Enter text..."
	inputgui.Name = "Input_" .. tostring(self.ElementsCount)
	inputgui.Visible = true

	if not self.FrameInstance then
		warn("FrameInstance is nil for tab '" .. self.Name .. "' — call CreateInput on a tab returned by CreateTab")
		return nil
	end

	-- Fire callback whenever text changes
	inputgui:GetPropertyChangedSignal("Text"):Connect(function()
		if callback then
			callback(inputgui.Text)
		end
	end)

	-- Optional: fire callback when user presses Enter
	inputgui.FocusLost:Connect(function(enterPressed)
		if enterPressed and callback then
			callback(inputgui.Text)
		end
	end)

	inputgui.Parent = self.FrameInstance
	table.insert(self.Elements, inputgui)

	print("Input created:", inputgui.Name, "Parent:", inputgui.Parent.Name)
	return inputgui
end


-- Window controls (original style but safe)
function PochangUI:SetTitle(title: string)
	if not disabled then
		if gui.Window and gui.Window:FindFirstChild("Topbar") and gui.Window.Topbar:FindFirstChild("Title") then
			gui.Window.Topbar.Title.Text = tostring(title)
		end
		if gui:FindFirstChild("WindowAnim") and gui.WindowAnim:FindFirstChild("Topbar") and gui.WindowAnim.Topbar:FindFirstChild("Title") then
			gui.WindowAnim.Topbar.Title.Text = tostring(title)
		end
	end
end



-- Remove
function PochangUI:Remove()
	disabled = true
	if gui then
		gui:Destroy()
	end
end

-- CreateTab method
function PochangUI:CreateTab(title: string)
	local tabt = table.clone(tabTemplate)
	tabs += 1
	tabt.Index = tabs
	if typeof(title) ~= "string" then
		warn("Title must be a string")
		return tabt
	end
	tabt.Name = title

	local tabgui = gui.Window.TabList.Template:Clone()
	tabgui.Name = tostring(tabt.Index)
	tabgui.Visible = true
	tabgui.Text = tabt.Name
	tabgui.Parent = gui.Window.TabList
	
	if tabs == 1 then --auto select tab (appearance)
		tabgui.BackgroundColor3 = Color3.fromRGB(255,255,255)
	else
		tabgui.BackgroundColor3 = Color3.fromRGB(128,128,128)
	end

	local frame = gui.Window.Displayed.Template:Clone()
	frame.Name = tostring(tabt.Index)
	frame.Visible = (tabt.Index == 1)
	frame.Parent = gui.Window.Displayed
	tabt.FrameInstance = frame

	local layout = Instance.new("UIListLayout")
	layout.Parent = frame
	layout.SortOrder = Enum.SortOrder.LayoutOrder
	layout.Padding = UDim.new(0,8)
	
	local function updateScroll()
		local children = frame:GetChildren()
		local elementCount = 0
		for i in children do
			if children[i]:IsA("GuiObject") then
				elementCount += 1
			end
		end
		local scrollHeight = (elementCount * 50)
		local scrollPad = (elementCount - 1 * 8)
		local scrollHP = scrollHeight + scrollPad
		frame.CanvasSize = UDim2.new(0,0,0,scrollHP)
	end
	
	frame.ChildAdded:Connect(updateScroll)
	frame.ChildRemoved:Connect(updateScroll)

	if tabgui.Activated then
		tabgui.Activated:Connect(function()
			for _, child in ipairs(gui.Window.Displayed:GetChildren()) do
				if child:IsA("GuiObject") then
					child.Visible = false
				end
			end
			for _, child in ipairs(gui.Window.TabList:GetChildren()) do
				if child:IsA("GuiObject") then
					child.BackgroundColor3 = Color3.fromRGB(128,128,128)
				end
			end
			tabt.FrameInstance.Visible = true
			tabgui.BackgroundColor3 = Color3.fromRGB(255,255,255)
		end)
	else
		warn("Tab button does not support Activated event")
	end
	
	setmetatable(tabt, {
		__index = function(self, key)
			if key == "Name" then
				tabgui.Text = tabt.Name
			end
		end
	})

	return tabt
end

return PochangUI