--------------------------------------------------
-- UNIVERSAL HUB (SIMPLE EDITOR WITH ALIASES)
--------------------------------------------------
local UIS = game:GetService("UserInputService")

if game.CoreGui:FindFirstChild("SimpleHub") then
    game.CoreGui.SimpleHub:Destroy()
end

local Scripts = {}

--------------------------------------------------
-- GUI
--------------------------------------------------
local gui = Instance.new("ScreenGui", game.CoreGui)
gui.Name = "SimpleHub"
gui.ResetOnSpawn = false

local main = Instance.new("Frame", gui)
main.Size = UDim2.new(0, 550, 0, 420)
main.Position = UDim2.new(0.5, -275, 0.5, -210)
main.BackgroundColor3 = Color3.fromRGB(25,25,25)
main.Active = true
main.Draggable = true
Instance.new("UICorner", main)

local top = Instance.new("Frame", main)
top.Size = UDim2.new(1,0,0,35)
top.BackgroundColor3 = Color3.fromRGB(18,18,18)
Instance.new("UICorner", top)

local title = Instance.new("TextLabel", top)
title.Size = UDim2.new(1,-40,1,0)
title.BackgroundTransparency = 1
title.Text = "-- Universal Script Hub"
title.TextColor3 = Color3.new(1,1,1)
title.Font = Enum.Font.SourceSansBold
title.TextSize = 18

local close = Instance.new("TextButton", top)
close.Size = UDim2.new(0,35,1,0)
close.Position = UDim2.new(1,-35,0,0)
close.Text = "X"
close.BackgroundColor3 = Color3.fromRGB(170,40,40)
close.TextColor3 = Color3.new(1,1,1)
Instance.new("UICorner", close)
close.MouseButton1Click:Connect(function()
    gui:Destroy()
end)

-- Search box
local searchBox = Instance.new("TextBox", main)
searchBox.Size = UDim2.new(1,-20,0,30)
searchBox.Position = UDim2.new(0,10,0,40)
searchBox.PlaceholderText = "Search scripts..."
searchBox.Text = "" -- prevents default "Textbox"
searchBox.BackgroundColor3 = Color3.fromRGB(35,35,35)
searchBox.TextColor3 = Color3.new(1,1,1)
Instance.new("UICorner", searchBox)

-- Scripts display
local scriptFrame = Instance.new("ScrollingFrame", main)
scriptFrame.Position = UDim2.new(0,10,0,80)
scriptFrame.Size = UDim2.new(1,-20,1,-130)
scriptFrame.ScrollBarThickness = 6
scriptFrame.BackgroundColor3 = Color3.fromRGB(30,30,30)
Instance.new("UICorner", scriptFrame)

local layout = Instance.new("UIListLayout", scriptFrame)
layout.Padding = UDim.new(0,6)
layout:GetPropertyChangedSignal("AbsoluteContentSize"):Connect(function()
    scriptFrame.CanvasSize = UDim2.new(0,0,0,layout.AbsoluteContentSize.Y + 5)
end)

-- Add Script button
local addBtn = Instance.new("TextButton", main)
addBtn.Size = UDim2.new(1,-20,0,40)
addBtn.Position = UDim2.new(0,10,1,-45)
addBtn.Text = "Add Script"
addBtn.BackgroundColor3 = Color3.fromRGB(40,40,40)
addBtn.TextColor3 = Color3.new(1,1,1)
Instance.new("UICorner", addBtn)

--------------------------------------------------
-- FILE SYSTEM
--------------------------------------------------
local BASE_FOLDER = "ISCRIPTS/Universal Scripts"

local function EnsureFolders()
    if not isfolder("ISCRIPTS") then makefolder("ISCRIPTS") end
    if not isfolder(BASE_FOLDER) then makefolder(BASE_FOLDER) end
end

local function SaveScript(name, code, aliases)
    EnsureFolders()
    local folder = BASE_FOLDER.."/"..name
    if not isfolder(folder) then makefolder(folder) end
    writefile(folder.."/"..name..".txt", code)
    writefile(folder.."/aliases.txt", table.concat(aliases, ","))
end

local function DeleteScript(name)
    local folder = BASE_FOLDER.."/"..name
    if isfolder(folder) then delfolder(folder) end
end

--------------------------------------------------
-- CORE LOGIC
--------------------------------------------------
local function AddScript(name, code, aliases)
    -- remove previous if same name
    for i = #Scripts, 1, -1 do
        if Scripts[i].Name == name then table.remove(Scripts, i) end
    end
    table.insert(Scripts,{Name=name,Code=code,Aliases=aliases or {}})
end

--------------------------------------------------
-- EDITOR POPUP
--------------------------------------------------
local function OpenEditor(existing)
    local popup = Instance.new("Frame", gui)
    popup.Size = UDim2.new(0,500,0,480)
    popup.Position = UDim2.new(0.5,-250,0.5,-240)
    popup.BackgroundColor3 = Color3.fromRGB(35,35,35)
    popup.Active = true
    Instance.new("UICorner", popup)

    -- Close button
    local closeBtn = Instance.new("TextButton", popup)
    closeBtn.Size = UDim2.new(0,35,0,35)
    closeBtn.Position = UDim2.new(1,-35,0,0)
    closeBtn.Text = "X"
    closeBtn.BackgroundColor3 = Color3.fromRGB(170,40,40)
    closeBtn.TextColor3 = Color3.new(1,1,1)
    Instance.new("UICorner", closeBtn)
    closeBtn.MouseButton1Click:Connect(function()
        popup:Destroy()
    end)

    -- Name box
    local nameBox = Instance.new("TextBox", popup)
    nameBox.Size = UDim2.new(0.9,0,0,30)
    nameBox.Position = UDim2.new(0.05,0,0,40)
    nameBox.ClearTextOnFocus = false
    nameBox.BackgroundColor3 = Color3.fromRGB(55,55,55)
    nameBox.TextColor3 = Color3.new(1,1,1)
    if existing and existing.Name and existing.Name ~= "" then
        nameBox.Text = existing.Name
        nameBox.PlaceholderText = ""
    else
        nameBox.Text = ""
        nameBox.PlaceholderText = "Script Name"
    end

    -- Code box (limited so alias box is always visible)
    local codeBox = Instance.new("TextBox", popup)
    codeBox.Size = UDim2.new(0.9,0,0,300) -- limited height
    codeBox.Position = UDim2.new(0.05,0,0,80)
    codeBox.MultiLine = true
    codeBox.ClearTextOnFocus = false
    codeBox.BackgroundColor3 = Color3.fromRGB(60,60,60)
    codeBox.TextColor3 = Color3.new(1,1,1)
    codeBox.TextXAlignment = Enum.TextXAlignment.Left
    codeBox.TextYAlignment = Enum.TextYAlignment.Top
    codeBox.ClipsDescendants = true
    if existing and existing.Code and existing.Code ~= "" then
        codeBox.Text = existing.Code
        codeBox.PlaceholderText = ""
    else
        codeBox.Text = ""
        codeBox.PlaceholderText = "Paste Script Here"
    end

    -- Alias box
    local aliasBox = Instance.new("TextBox", popup)
    aliasBox.Size = UDim2.new(0.9,0,0,30)
    aliasBox.Position = UDim2.new(0.05,0,0,390)
    aliasBox.ClearTextOnFocus = false
    aliasBox.BackgroundColor3 = Color3.fromRGB(55,55,55)
    aliasBox.TextColor3 = Color3.new(1,1,1)
    if existing and existing.Aliases then
        aliasBox.Text = table.concat(existing.Aliases, ",")
        aliasBox.PlaceholderText = ""
    else
        aliasBox.Text = ""
        aliasBox.PlaceholderText = "Aliases (comma separated)"
    end

    -- Save button
    local saveBtn = Instance.new("TextButton", popup)
    saveBtn.Size = UDim2.new(0.4,0,0,35)
    saveBtn.Position = UDim2.new(0.3,0,1,-45)
    saveBtn.Text = "Save Script"
    saveBtn.BackgroundColor3 = Color3.fromRGB(70,70,70)
    saveBtn.TextColor3 = Color3.new(1,1,1)
    Instance.new("UICorner", saveBtn)

    saveBtn.MouseButton1Click:Connect(function()
        local name = nameBox.Text
        local code = codeBox.Text
        local aliases = {}
        for part in string.gmatch(aliasBox.Text or "", "[^,]+") do
            table.insert(aliases, part:match("^%s*(.-)%s*$"))
        end
        if name == "" or code == "" then return end
        AddScript(name, code, aliases)
        SaveScript(name, code, aliases)
        popup:Destroy()
        Refresh()
    end)
end

--------------------------------------------------
-- REFRESH UI
--------------------------------------------------
local function Refresh()
    for _,child in ipairs(scriptFrame:GetChildren()) do
        if child:IsA("TextButton") then child:Destroy() end
    end

    local filter = searchBox.Text:lower()

    for _,data in ipairs(Scripts) do
        local nameMatches = data.Name:lower():find(filter)
        local aliasMatches = false
        for _,a in ipairs(data.Aliases) do
            if a:lower():find(filter) then aliasMatches = true end
        end
        if filter == "" or nameMatches or aliasMatches then
            local btn = Instance.new("TextButton")
            btn.Size = UDim2.new(1,-5,0,35)
            btn.BackgroundColor3 = Color3.fromRGB(45,45,45)
            btn.TextColor3 = Color3.new(1,1,1)
            btn.Text = data.Name
            btn.TextXAlignment = Enum.TextXAlignment.Left
            btn.TextYAlignment = Enum.TextYAlignment.Center
            Instance.new("UICorner", btn)
            btn.Parent = scriptFrame

            local padding = Instance.new("UIPadding", btn)
            padding.PaddingLeft = UDim.new(0,10)

            btn.MouseButton1Click:Connect(function()
                pcall(function() loadstring(data.Code)() end)
            end)

            -- EDIT BUTTON
            local edit = Instance.new("TextButton", btn)
            edit.Size = UDim2.new(0,30,0,30)
            edit.Position = UDim2.new(1,-65,0,2)
            edit.Text = "✏️"
            edit.BackgroundTransparency = 1
            edit.TextScaled = true
            edit.MouseButton1Click:Connect(function()
                OpenEditor(data)
            end)

            -- DELETE BUTTON
            local delete = Instance.new("TextButton", btn)
            delete.Size = UDim2.new(0,30,0,30)
            delete.Position = UDim2.new(1,-35,0,2)
            delete.Text = "🗑"
            delete.BackgroundTransparency = 1
            delete.TextScaled = true
            delete.MouseButton1Click:Connect(function()
                DeleteScript(data.Name)
                for i,v in ipairs(Scripts) do
                    if v.Name == data.Name then table.remove(Scripts,i); break end
                end
                Refresh()
            end)
        end
    end
end

searchBox:GetPropertyChangedSignal("Text"):Connect(Refresh)

--------------------------------------------------
-- LOAD SAVED
--------------------------------------------------
local function LoadSaved()
    if not isfolder(BASE_FOLDER) then return end
    for _,folder in ipairs(listfiles(BASE_FOLDER)) do
        if isfolder(folder) then
            local name = folder:match("[^/\\]+$")
            local file = folder.."/"..name..".txt"
            local aliasesFile = folder.."/aliases.txt"
            local aliases = {}
            if isfile(aliasesFile) then
                for part in string.gmatch(readfile(aliasesFile), "[^,]+") do
                    table.insert(aliases, part:match("^%s*(.-)%s*$"))
                end
            end
            if isfile(file) then
                table.insert(Scripts,{Name=name,Code=readfile(file),Aliases=aliases})
            end
        end
    end
end

--------------------------------------------------
-- START
--------------------------------------------------
addBtn.MouseButton1Click:Connect(function() OpenEditor() end)
LoadSaved()
Refresh()

UIS.InputBegan:Connect(function(input,gp)
    if gp then return end
    if input.KeyCode == Enum.KeyCode.Semicolon then
        gui.Enabled = not gui.Enabled
    end
end)