/*************************************************************************
 * ModernUO                                                              *
 * Copyright (C) 2019-2022 - ModernUO Development Team                   *
 * Email: hi@modernuo.com                                                *
 * File: GumpPage.cs                                                     *
 *                                                                       *
 * This program is free software: you can redistribute it and/or modify  *
 * it under the terms of the GNU General Public License as published by  *
 * the Free Software Foundation, either version 3 of the License, or     *
 * (at your option) any later version.                                   *
 *                                                                       *
 * You should have received a copy of the GNU General Public License     *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *************************************************************************/

using System.Buffers;
using Server.Collections;

namespace Server.Gumps;

public class GumpPage : GumpEntry
{
    private static byte[] _page0 = Gump.StringToBuffer("{ page 0 }");

    public GumpPage(int page) => Page = page;

    public int Page { get; set; }

    public override void AppendTo(ref SpanWriter writer, OrderedHashSet<string> strings, scoped ref int entries, scoped ref int switches)
    {
        if (Page == 0)
        {
            writer.Write(_page0);
        }
        else
        {
            writer.WriteAscii($"{{ page {Page} }}");
        }
    }
}