local library = {
    windowcount = 0;
}

local dragger = {};
local resizer = {};

function tween(object, style, direction, t, goal)
    local tweenservice = game:GetService("TweenService")
    local tweenInfo = TweenInfo.new(t, Enum.EasingStyle[style], Enum.EasingDirection[direction])
    local tween = tweenservice:Create(object, tweenInfo, goal)
    tween:Play()
    return tween
end

do
    local mouse = game:GetService("Players").LocalPlayer:GetMouse();
    local inputService = game:GetService('UserInputService');
    local heartbeat = game:GetService("RunService").Heartbeat;
    -- // credits to Ririchi / Inori for this cute drag function :)
    function dragger.new(frame)
        local s, event = pcall(function()
            return frame.MouseEnter
        end)

        if s then
            frame.Active = true;

            event:connect(function()
                local input = frame.InputBegan:connect(function(key)
                    if key.UserInputType == Enum.UserInputType.MouseButton1 then
                        local objectPosition = Vector2.new(mouse.X - frame.AbsolutePosition.X, mouse.Y - frame.AbsolutePosition.Y);
                        while heartbeat:wait() and inputService:IsMouseButtonPressed(Enum.UserInputType.MouseButton1) do
                            frame:TweenPosition(UDim2.new(0, mouse.X - objectPosition.X + (frame.Size.X.Offset * frame.AnchorPoint.X), 0, mouse.Y - objectPosition.Y + (frame.Size.Y.Offset * frame.AnchorPoint.Y)), 'Out', 'Quad', 0.1, true);
                        end
                    end
                end)

                local leave;
                leave = frame.MouseLeave:connect(function()
                    input:disconnect();
                    leave:disconnect();
                end)
            end)
        end
    end

    function resizer.new(p, s)
        p:GetPropertyChangedSignal('AbsoluteSize'):connect(function()
            s.Size = UDim2.new(s.Size.X.Scale, s.Size.X.Offset, s.Size.Y.Scale, p.AbsoluteSize.Y);
        end)
    end
end


local defaults = {
    txtcolor = Color3.fromRGB(255, 255, 255),
    underline = Color3.fromRGB(0, 255, 140),
    barcolor = Color3.fromRGB(40, 40, 40),
    bgcolor = Color3.fromRGB(30, 30, 30),
}

function library:Create(class, props)
    local object = Instance.new(class);

    for i, prop in next, props do
        if i ~= "Parent" then
            object[i] = prop;
        end
    end

    object.Parent = props.Parent;
    return object;
end

function library:CreateWindow(options)
    assert(options.text, "no name");
    local window = {
        count = 0;
        toggles = {},
        closed = false;
    }

    local options = options or {};
    setmetatable(options, {__index = defaults})

    self.windowcount = self.windowcount + 1;

    library.gui = library.gui or self:Create("ScreenGui", {Name = "UILibrary", Parent = game:GetService("CoreGui")})
    window.frame = self:Create("Frame", {
        Name = options.text;
        Parent = self.gui,
        Active = true,
        BackgroundTransparency = 0,
        Size = UDim2.new(0, 190, 0, 30),
        Position = UDim2.new(0, (15 + ((200 * self.windowcount) - 200)), 0, 15),
        BackgroundColor3 = options.barcolor,
        BorderSizePixel = 0;
    })

    window.background = self:Create('Frame', {
        Name = 'Background';
        Parent = window.frame,
        BorderSizePixel = 0;
        BackgroundColor3 = options.bgcolor,
        Position = UDim2.new(0, 0, 1, 0),
        Size = UDim2.new(1, 0, 0, 25),
        ClipsDescendants = true;
    })

    window.container = self:Create('Frame', {
        Name = 'Container';
        Parent = window.frame,
        BorderSizePixel = 0;
        BackgroundColor3 = options.bgcolor,
        Position = UDim2.new(0, 0, 1, 0),
        Size = UDim2.new(1, 0, 0, 25),
        ClipsDescendants = true;
    })

    window.organizer = self:Create('UIListLayout', {
        Name = 'Sorter';
        SortOrder = Enum.SortOrder.LayoutOrder;
        Parent = window.container;
    })

    window.padder = self:Create('UIPadding', {
        Name = 'Padding';
        PaddingLeft = UDim.new(0, 10);
        PaddingTop = UDim.new(0, 5);
        Parent = window.container;
    })

    self:Create("Frame", {
        Name = 'Underline';
        Size = UDim2.new(1, 0, 0, 1),
        Position = UDim2.new(0, 0, 1, -1),
        BorderSizePixel = 0;
        BackgroundColor3 = options.underline;
        Parent = window.frame
    })

    local togglebutton = self:Create("TextButton", {
        Name = 'Toggle';
        ZIndex = 2,
        BackgroundTransparency = 1;
        Position = UDim2.new(1, -25, 0, 0),
        Size = UDim2.new(0, 25, 1, 0),
        Text = "-",
        TextSize = 17,
        TextColor3 = options.txtcolor,
        Font = Enum.Font.SourceSans;
        Parent = window.frame,
    });

    togglebutton.MouseButton1Click:connect(function()
        window.closed = not window.closed
        togglebutton.Text = (window.closed and "+" or "-")
        if window.closed then
            window:Resize(true, UDim2.new(1, 0, 0, 0))
        else
            window:Resize(true)
        end
    end)

    self:Create("TextLabel", {
        Size = UDim2.new(1, 0, 1, 0),
        BackgroundTransparency = 1;
        BorderSizePixel = 0;
        TextColor3 = options.txtcolor,
        TextColor3 = (options.bartextcolor or Color3.fromRGB(255, 255, 255));
        TextSize = 17,
        Font = Enum.Font.Code;
        Text = options.text or "window",
        Name = "Window",
        Parent = window.frame,
    })

    do
        dragger.new(window.frame)
        resizer.new(window.background, window.container);
    end

    local function getSize()
        local ySize = 0;
        for i, object in next, window.container:GetChildren() do
            if (not object:IsA('UIListLayout')) and (not object:IsA('UIPadding')) then
                ySize = ySize + object.AbsoluteSize.Y
            end
        end
        return UDim2.new(1, 0, 0, ySize + 10)
    end

    function window:Resize(tween, change)
        local size = change or getSize()
        self.container.ClipsDescendants = true;

        if tween then
            self.background:TweenSize(size, "Out", "Sine", 0.25, true)
        else
            self.background.Size = size
        end
    end

    function window:AddToggle(text, callback)
        self.count = self.count + 1

        callback = callback or function() end
        local label = library:Create("TextLabel", {
            Text =  text,
            Size = UDim2.new(1, -10, 0, 20);
            BackgroundTransparency = 1;
            TextColor3 = Color3.fromRGB(255, 255, 255);
            TextXAlignment = Enum.TextXAlignment.Left;
            LayoutOrder = self.Count;
            TextSize = 16,
            Font = Enum.Font.SourceSans,
            Parent = self.container;
        })

        local button = library:Create("TextButton", {
            Text = "OFF",
            TextColor3 = Color3.fromRGB(255, 25, 25),
            BackgroundTransparency = 1;
            Position = UDim2.new(1, -25, 0, 0),
            Size = UDim2.new(0, 25, 1, 0),
            TextSize = 17,
            Font = Enum.Font.SourceSansSemibold,
            Parent = label;
        })

        button.MouseButton1Click:connect(function()
            self.toggles[text] = (not self.toggles[text])

            if self.toggles[text] then
                tween(button, "Sine", "Out", 0.25, {
                    TextColor = Color3.fromRGB(0, 255, 140);
                })
                button.Text = "ON"
            else
                tween(button, "Sine", "Out", 0.25, {
                    TextColor = Color3.fromRGB(255, 25, 25);
                })
                button.Text = "OFF"
            end

            callback(self.toggles[text])
        end)

        self:Resize()
        return button
    end

    function window:AddBox(text, callback)
        self.count = self.count + 1
        callback = callback or function() end

        local box = library:Create("TextBox", {
            PlaceholderText = text,
            Size = UDim2.new(1, -10, 0, 20);
            BackgroundTransparency = 0.75;
            BackgroundColor3 = options.boxcolor,
            TextColor3 = Color3.fromRGB(255, 255, 255);
            TextXAlignment = Enum.TextXAlignment.Center;
            TextSize = 16,
            Text = "",
            Font = Enum.Font.SourceSans,
            LayoutOrder = self.Count;
            BorderSizePixel = 0;
            Parent = self.container;
        })

        box.FocusLost:connect(function(...)
            callback(box, ...)
        end)

        self:Resize()
        return box
    end

    function window:AddButton(text, callback)
        self.count = self.count + 1

        callback = callback or function() end
        local button = library:Create("TextButton", {
            Text =  text,
            Size = UDim2.new(1, -10, 0, 20);
            BackgroundTransparency = 1;
            TextColor3 = Color3.fromRGB(255, 255, 255);
            TextXAlignment = Enum.TextXAlignment.Left;
            TextSize = 16,
            Font = Enum.Font.SourceSans,
            LayoutOrder = self.Count;
            Parent = self.container;
        })

        button.MouseButton1Click:connect(callback)
        self:Resize()
        return button
    end

    function window:AddLabel(text)
        self.count = self.count + 1;

        local tSize = game:GetService('TextService'):GetTextSize(text, 16, Enum.Font.SourceSans, Vector2.new(math.huge, math.huge))

        local button = library:Create("TextLabel", {
            Text =  text,
            Size = UDim2.new(1, -10, 0, tSize.Y + 5);
            TextScaled = false;
            BackgroundTransparency = 1;
            TextColor3 = Color3.fromRGB(255, 255, 255);
            TextXAlignment = Enum.TextXAlignment.Left;
            TextSize = 16,
            Font = Enum.Font.SourceSans,
            LayoutOrder = self.Count;
            Parent = self.container;
        })

        self:Resize()
        return button
    end

    function window:AddSlider(text, callback, max)
        self.count = self.count + 1

        callback = callback or function() end

        local frame = library:Create("Frame", {
            Size = UDim2.new(0.1, 0, 0, 1);
            BackgroundColor3 = Color3.fromRGB(255, 255, 255);
            BorderSizePixel = 0,
            LayoutOrder = self.Count;
            Parent = self.container
        })

        local label = library:Create("TextLabel", {
            BackgroundTransparency = 1,
            Parent = frame;
            Position = frame.Position + UDim2.new(0, -80, 0, -13.5);
            TextColor3 = Color3.fromRGB(255, 255, 255);
            Text = text
        })



    end

    function window:AddDropdown(options, callback)
        self.count = self.count + 1
        local default = options[1] or "";

        callback = callback or function() end
        local dropdown = library:Create("TextLabel", {
            Size = UDim2.new(1, -10, 0, 20);
            BackgroundTransparency = 0.75;
            BackgroundColor3 = options.boxcolor,
            TextColor3 = Color3.fromRGB(255, 255, 255);
            TextXAlignment = Enum.TextXAlignment.Center;
            TextSize = 16,
            Text = default,
            Font = Enum.Font.SourceSans,
            BorderSizePixel = 0;
            LayoutOrder = self.Count;
            Parent = self.container;
        })

        local button = library:Create("ImageButton",{
            BackgroundTransparency = 1;
            Image = 'rbxassetid://3234893186';
            Size = UDim2.new(0, 18, 1, 0);
            Position = UDim2.new(1, -20, 0, 0);
            Parent = dropdown;
        })

        local frame;

        local function isInGui(frame)
            local mloc = game:GetService('UserInputService'):GetMouseLocation();
            local mouse = Vector2.new(mloc.X, mloc.Y - 36);

            local x1, x2 = frame.AbsolutePosition.X, frame.AbsolutePosition.X + frame.AbsoluteSize.X;
            local y1, y2 = frame.AbsolutePosition.Y, frame.AbsolutePosition.Y + frame.AbsoluteSize.Y;

            return (mouse.X >= x1 and mouse.X <= x2) and (mouse.Y >= y1 and mouse.Y <= y2)
        end

        local function count(t)
            local c = 0;
            for i, v in next, t do
                c = c + 1
            end
            return c;
        end

        button.MouseButton1Click:connect(function()
            if count(options) == 0 then
                return
            end

            if frame then
                frame:Destroy();
                frame = nil;
            end

            self.container.ClipsDescendants = false;

            frame = library:Create('Frame', {
                Position = UDim2.new(0, 0, 1, 0);
                BackgroundColor3 = Color3.fromRGB(40, 40, 40);
                BorderSizePixel = 0;
                Parent = dropdown;
                ClipsDescendants = true;
                ZIndex = 2;
            })

            tween(frame, "Sine", "Out", 0.25, {
                Size = UDim2.new(0, dropdown.AbsoluteSize.X, 0, (count(options) * 21));
            })

            library:Create('UIListLayout', {
                Name = 'Layout';
                Parent = frame;
            })

            for i, option in next, options do
                local selection = library:Create('TextButton', {
                    Text = option;
                    BackgroundColor3 = Color3.fromRGB(40, 40, 40);
                    TextColor3 = Color3.fromRGB(255, 255, 255);
                    BorderSizePixel = 0;
                    TextSize = 16;
                    Font = Enum.Font.SourceSans;
                    Size = UDim2.new(1, 0, 0, 21);
                    Parent = frame;
                    ZIndex = 2;
                })

                selection.MouseButton1Click:connect(function()
                    dropdown.Text = option;
                    callback(option)
                    tween(frame, "Sine", "Out", 0.25, {
                        Size = UDim2.new(1, 0, 0, 0);
                    })
                    game:GetService('Debris'):AddItem(frame, 0.1)
                end)
            end
        end);

        game:GetService('UserInputService').InputBegan:connect(function(m)
            if m.UserInputType == Enum.UserInputType.MouseButton1 then
                if frame and (not isInGui(frame)) then
                    game:GetService('Debris'):AddItem(frame);
                end
            end
        end)

        callback(default);
        self:Resize()
        return {
            Refresh = function(self, array)
                game:GetService('Debris'):AddItem(frame);
                options = array
                dropdown.Text = options[1];
            end
        }
    end;


    return window
end

return library