/***************************************************************************
 *                               ContextMenu.cs
 *                            -------------------
 *   begin                : May 1, 2002
 *   copyright            : (C) The RunUO Software Team
 *   email                : info@runuo.com
 *
 *   $Id$
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   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 2 of the License, or
 *   (at your option) any later version.
 *
 ***************************************************************************/

using System.Collections.Generic;
using System.Linq;

namespace Server.ContextMenus
{
  /// <summary>
  ///   Represents the state of an active context menu. This includes who opened the menu, the menu's focus object, and a list of
  ///   <see cref="ContextMenuEntry">entries</see> that the menu is composed of.
  ///   <seealso cref="ContextMenuEntry" />
  /// </summary>
  public class ContextMenu
  {
    /// <summary>
    ///   Instantiates a new ContextMenu instance.
    /// </summary>
    /// <param name="from">
    ///   The <see cref="Mobile" /> who opened this ContextMenu.
    ///   <seealso cref="From" />
    /// </param>
    /// <param name="target">
    ///   The <see cref="Mobile" /> or <see cref="Item" /> for which this ContextMenu is on.
    ///   <seealso cref="Target" />
    /// </param>
    public ContextMenu(Mobile from, IEntity target)
    {
      From = from;
      Target = target;

      var list = new List<ContextMenuEntry>();

      if (target is Mobile mobile)
        mobile.GetContextMenuEntries(from, list);
      else if (target is Item item)
        item.GetContextMenuEntries(from, list);

      Entries = list.ToArray();

      for (var i = 0; i < Entries.Length; ++i)
        Entries[i].Owner = this;
    }

    /// <summary>
    ///   Gets the <see cref="Mobile" /> who opened this ContextMenu.
    /// </summary>
    public Mobile From { get; }

    /// <summary>
    ///   Gets an object of the <see cref="Mobile" /> or <see cref="Item" /> for which this ContextMenu is on.
    /// </summary>
    public IEntity Target { get; }

    /// <summary>
    ///   Gets the list of <see cref="ContextMenuEntry">entries</see> contained in this ContextMenu.
    /// </summary>
    public ContextMenuEntry[] Entries { get; }

    /// <summary>
    ///   Returns true if this ContextMenu requires packet version 2.
    /// </summary>
    public bool RequiresNewPacket =>
      Entries.Any(t => t.Number < 3000000 || t.Number > 3032767);
  }
}