-- oxai_client.lua
-- GUI Library for Roblox

local GUI = {}

-- ===== SERVICES =====
local UserInputService = game:GetService("UserInputService")
local Players = game:GetService("Players")
local TweenService = game:GetService("TweenService")

local player = Players.LocalPlayer
local playerGui = player:WaitForChild("PlayerGui")

-- ===== CREATE MAIN SCREENGUI =====
local screenGui = playerGui:FindFirstChild("oxai_client_gui")
if not screenGui then
    screenGui = Instance.new("ScreenGui")
    screenGui.Name = "oxai_client_gui"
    screenGui.ResetOnSpawn = false
    screenGui.Parent = playerGui
end

-- ===== CLEAR OLD CONTENT =====
for _, child in ipairs(screenGui:GetChildren()) do
    child:Destroy()
end

-- ===== MAIN FRAME =====
local frame = Instance.new("Frame")
frame.Name = "MainFrame"
frame.Size = UDim2.new(0, 750, 0, 400)
frame.Position = UDim2.new(0.5, -375, 0.5, -200)
frame.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
frame.BorderSizePixel = 0
frame.Visible = true
frame.Parent = screenGui

local frameCorner = Instance.new("UICorner")
frameCorner.CornerRadius = UDim.new(0, 12)
frameCorner.Parent = frame

-- ===== TITLE =====
local title = Instance.new("TextLabel")
title.Size = UDim2.new(1, -20, 0, 30)
title.Position = UDim2.new(0, 10, 0, 5)
title.BackgroundTransparency = 1
title.Text = "oxai client <3"
title.TextColor3 = Color3.fromRGB(255, 255, 255)
title.TextSize = 20
title.Font = Enum.Font.GothamBold
title.TextXAlignment = Enum.TextXAlignment.Left
title.Parent = frame

-- ===== TOP LINE =====
local topLine = Instance.new("Frame")
topLine.Size = UDim2.new(1, 0, 0, 2)
topLine.Position = UDim2.new(0, 0, 0, 40)
topLine.BackgroundColor3 = Color3.fromRGB(90, 90, 90)
topLine.BorderSizePixel = 0
topLine.Parent = frame

-- ===== STORAGE =====
GUI.Tabs = {}
GUI.ActiveTabs = {}
GUI.SideButtons = {}
GUI.ModuleButtons = {}
local toggleColor = Color3.fromRGB(39, 212, 245)
local draggingSlider = false

-- ===== DRAGGING MENU =====
local dragging = false
local dragStart, startPos
frame.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 and not draggingSlider 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)
UserInputService.InputChanged:Connect(function(input)
    if dragging and not draggingSlider 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)

-- ===== MENU TOGGLE =====
local menuVisible = true
UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if gameProcessed then return end
    if input.KeyCode == Enum.KeyCode.Insert then
        menuVisible = not menuVisible
        if menuVisible then
            TweenService:Create(frame, TweenInfo.new(0.5, Enum.EasingStyle.Quad, Enum.EasingDirection.Out), {
                Position = UDim2.new(0.5, -375, 0.5, -200),
                BackgroundTransparency = 0
            }):Play()
        else
            TweenService:Create(frame, TweenInfo.new(0.5, Enum.EasingStyle.Quad, Enum.EasingDirection.In), {
                Position = UDim2.new(0.5, -375, 1, 50),
                BackgroundTransparency = 0.5
            }):Play()
        end
    end
end)

-- ===== FUNCTIONS =====

-- Add a new tab
function GUI:AddTab(name)
    local tab = Instance.new("Frame")
    tab.Size = UDim2.new(0, 0, 0, 0)
    tab.Position = UDim2.new(0, 200, 0, 50)
    tab.BackgroundColor3 = Color3.fromRGB(60, 60, 60)
    tab.Visible = false
    tab.Parent = frame
    self.Tabs[name] = tab
    return tab
end

-- Add a side button to toggle tabs
function GUI:AddSideButton(name, tab)
    local posY = 45
    if #self.SideButtons > 0 then
        local lastButton = self.SideButtons[#self.SideButtons]
        posY = lastButton.Position.Y.Offset + 50 + 10
    end
    local button = Instance.new("TextButton")
    button.Size = UDim2.new(0, 180, 0, 50)
    button.Position = UDim2.new(0, 15, 0, posY)
    button.BackgroundColor3 = Color3.fromRGB(40, 40, 40)
    button.BorderSizePixel = 0
    button.Text = name
    button.TextColor3 = Color3.fromRGB(255, 255, 255)
    button.TextSize = 16
    button.Font = Enum.Font.GothamSemibold
    button.Parent = frame

    local corner = Instance.new("UICorner")
    corner.CornerRadius = UDim.new(0, 8)
    corner.Parent = button

    if tab then
        tab.Visible = false
        table.insert(self.ActiveTabs, {tab = tab, button = button})
        button.MouseButton1Click:Connect(function()
            for _, data in ipairs(self.ActiveTabs) do
                data.tab.Visible = false
                data.button.BackgroundColor3 = Color3.fromRGB(40, 40, 40)
            end
            tab.Visible = true
            button.BackgroundColor3 = toggleColor
        end)
    end

    table.insert(self.SideButtons, button)
    return button
end

-- Add a button or slider to a tab
function GUI:AddButton(tab, name, funcOn, funcOff, isSlider)
    if not self.ModuleButtons[tab] then
        self.ModuleButtons[tab] = {}
    end
    local buttons = self.ModuleButtons[tab]
    local index = #buttons + 1
    local row = math.floor((index - 1) / 3)
    local col = (index - 1) % 3

    local module = Instance.new("Frame")
    module.Size = UDim2.new(0, 180, 0, 80)
    module.Position = UDim2.new(0, 10 + col * (180 + 10), 0, 10 + row * (80 + 10))
    module.BackgroundColor3 = Color3.fromRGB(40, 40, 40)
    module.BorderSizePixel = 0
    module.Parent = tab

    local corner = Instance.new("UICorner")
    corner.CornerRadius = UDim.new(0, 8)
    corner.Parent = module

    local label = Instance.new("TextLabel")
    label.Size = UDim2.new(1, -10, 0, 25)
    label.Position = UDim2.new(0, 5, 0, 5)
    label.BackgroundTransparency = 1
    label.Text = name
    label.TextColor3 = Color3.fromRGB(255, 255, 255)
    label.TextSize = 16
    label.Font = Enum.Font.GothamSemibold
    label.Parent = module

    if isSlider then
        -- Slider logic
        local sliderBar = Instance.new("Frame")
        sliderBar.Size = UDim2.new(1, -40, 0, 6)
        sliderBar.Position = UDim2.new(0, 10, 0, 50)
        sliderBar.BackgroundColor3 = Color3.fromRGB(60, 60, 60)
        sliderBar.Parent = module

        local knob = Instance.new("Frame")
        knob.Size = UDim2.new(0, 14, 0, 14)
        knob.Position = UDim2.new(0, 0, 0.5, -7)
        knob.BackgroundColor3 = toggleColor
        knob.Parent = sliderBar

        local value = 0
        local function updateSlider(newValue)
            value = math.clamp(newValue, 0, 1)
            knob.Position = UDim2.new(value, -7, 0.5, -7)
            if funcOn then
                pcall(funcOn, value)
            end
        end

        knob.InputBegan:Connect(function(input)
            if input.UserInputType == Enum.UserInputType.MouseButton1 then
                draggingSlider = true
                input.Changed:Connect(function()
                    if input.UserInputState == Enum.UserInputState.End then
                        draggingSlider = false
                    end
                end)
            end
        end)

        UserInputService.InputChanged:Connect(function(input)
            if draggingSlider and input.UserInputType == Enum.UserInputType.MouseMovement then
                local relative = input.Position.X - sliderBar.AbsolutePosition.X
                updateSlider(relative / sliderBar.AbsoluteSize.X)
            end
        end)
    else
        -- Toggle button
        local toggle = Instance.new("TextButton")
        toggle.Size = UDim2.new(0, 20, 0, 20)
        toggle.Position = UDim2.new(1, -25, 1, -25)
        toggle.BackgroundColor3 = Color3.fromRGB(60, 60, 60)
        toggle.BorderSizePixel = 0
        toggle.Text = ""
        toggle.Parent = module

        local toggleCorner = Instance.new("UICorner")
        toggleCorner.CornerRadius = UDim.new(0, 4)
        toggleCorner.Parent = toggle

        local toggleOn = false
        local function updateToggle()
            toggle.BackgroundColor3 = toggleOn and toggleColor or Color3.fromRGB(60, 60, 60)
        end
        updateToggle()

        toggle.MouseButton1Click:Connect(function()
            toggleOn = not toggleOn
            updateToggle()
            if toggleOn and funcOn then
                pcall(funcOn)
            elseif not toggleOn and funcOff then
                pcall(funcOff)
            end
        end)
    end

    table.insert(buttons, module)
    return module
end

return GUI