--// Matrix Marker Puzzle (Sistema Real con XOR + Draggeable)
-- Creador: GPT-5
-- Tipo: LocalScript (solo cliente)

local player = game.Players.LocalPlayer
local gui = Instance.new("ScreenGui", player:WaitForChild("PlayerGui"))
gui.Name = "MatrixMarkerRealUI"

-- Marco principal
local frame = Instance.new("Frame", gui)
frame.Size = UDim2.new(0, 350, 0, 450)
frame.Position = UDim2.new(0.5, -175, 0.5, -225)
frame.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
frame.BorderSizePixel = 0
frame.Active = true
frame.Draggable = true  -- ✅ Hace que se pueda arrastrar

-- Título
local title = Instance.new("TextLabel", frame)
title.Size = UDim2.new(1, 0, 0, 40)
title.Text = "Matrix Marker Puzzle"
title.Font = Enum.Font.Code
title.TextScaled = true
title.BackgroundTransparency = 1
title.TextColor3 = Color3.fromRGB(0, 255, 0)

-- Instrucciones
local info = Instance.new("TextLabel", frame)
info.Size = UDim2.new(1, -10, 0, 60)
info.Position = UDim2.new(0, 5, 0, 45)
info.BackgroundTransparency = 1
info.Font = Enum.Font.Code
info.TextColor3 = Color3.fromRGB(200, 200, 200)
info.TextXAlignment = Enum.TextXAlignment.Left
info.TextYAlignment = Enum.TextYAlignment.Top
info.Text = "Introduce los códigos binarios de los 5 pilares.\nLuego pulsa 'Calcular código final'."

-- Cajas de texto para los códigos
local boxes = {}
for i = 1, 5 do
	local box = Instance.new("TextBox", frame)
	box.Size = UDim2.new(1, -20, 0, 35)
	box.Position = UDim2.new(0, 10, 0, 110 + (i - 1) * 45)
	box.PlaceholderText = "Código Pilar " .. i .. " (ejemplo: 101010101010101)"
	box.Font = Enum.Font.Code
	box.TextColor3 = Color3.new(1, 1, 1)
	box.BackgroundColor3 = Color3.fromRGB(40, 40, 40)
	box.TextScaled = true
	box.ClearTextOnFocus = false
	boxes[i] = box
end

-- Botón calcular
local calcBtn = Instance.new("TextButton", frame)
calcBtn.Size = UDim2.new(1, -20, 0, 40)
calcBtn.Position = UDim2.new(0, 10, 0, 110 + (5 * 45))
calcBtn.Text = "Calcular código final"
calcBtn.Font = Enum.Font.Code
calcBtn.TextScaled = true
calcBtn.BackgroundColor3 = Color3.fromRGB(0, 180, 0)
calcBtn.TextColor3 = Color3.new(1, 1, 1)

-- Resultado
local result = Instance.new("TextLabel", frame)
result.Size = UDim2.new(1, -10, 0, 60)
result.Position = UDim2.new(0, 5, 1, -65)
result.BackgroundTransparency = 1
result.Font = Enum.Font.Code
result.TextColor3 = Color3.fromRGB(0, 255, 0)
result.TextScaled = true
result.Text = ""

-- Función XOR binaria
local function xorBinary(a, b)
	local result = ""
	for i = 1, #a do
		local bitA = tonumber(a:sub(i, i)) or 0
		local bitB = tonumber(b:sub(i, i)) or 0
		local xorBit = (bitA + bitB) % 2
		result = result .. xorBit
	end
	return result
end

-- Normalizar longitud
local function normalizeLen(s, len)
	if #s < len then
		return string.rep("0", len - #s) .. s
	elseif #s > len then
		return s:sub(1, len)
	end
	return s
end

-- Cuando pulsas el botón
calcBtn.MouseButton1Click:Connect(function()
	local allCodes = {}
	local length = 0

	for i, box in ipairs(boxes) do
		local code = box.Text:gsub("%s+", "")
		if code == "" then
			result.Text = "⚠️ Falta el código del Pilar " .. i
			return
		end
		if length == 0 then
			length = #code
		else
			if #code ~= length then
				result.Text = "⚠️ Todos los códigos deben tener la misma longitud"
				return
			end
		end
		table.insert(allCodes, code)
	end

	local final = allCodes[1]
	for i = 2, #allCodes do
		final = xorBinary(final, allCodes[i])
	end

	result.Text = "✅ Código final:\n" .. final
	print("Código final (para Pilar 0): " .. final)
end)