#region Arthea License

/***********************************************************************
*  Arthea MUD by R. Jennings (2007)      http://arthea.googlecode.com/ *
*  By using this code you comply with the Artistic and GPLv2 Licenses. *
***********************************************************************/

#endregion

using System.Collections.Generic;
using Arthea.Connections.Players;
using Arthea.Continents;
using Arthea.Continents.Areas;
using Arthea.Environment;

namespace Arthea.Commands.Information
{
    /// <summary>
    /// Implementation of a areas command.
    /// </summary>
    public class AreasCommand : Command
    {
        #region [rgn] Constructors (1)

        /// <summary>
        /// Initializes a new instance of the <see cref="AreasCommand"/> class.
        /// </summary>
        public AreasCommand() : base("areas", "Displays a list of areas.")
        {
        }

        #endregion [rgn]

        #region [rgn] Methods (2)

        // [rgn] Public Methods (1)

        /// <summary>
        /// Processes the command for a player.
        /// </summary>
        /// <param name="player">The player.</param>
        /// <param name="argument">The argument.</param>
        public override void Process(Player player, String argument)
        {
            List<string> areas = new List<string>();

            foreach (Continent cont in Lists.Continents)
            {
                player.WriteLine("In {0}:", cont.Name);

                foreach (Area area in cont.Areas)
                {
                    AddAreaToList(areas, area);
                }

                Columns.Show(player, 3, 12, areas.ToArray());
            }

            areas.Clear();

            foreach (Area area in Lists.Areas)
            {
                if (area.Continent != null)
                    continue;

                AddAreaToList(areas, area);
            }

            if (areas.Count > 0)
            {
                player.WriteLine("Other areas:");

                Columns.Show(player, 3, 12, areas.ToArray());
            }
        }

        // [rgn] Private Methods (1)

        private static void AddAreaToList(ICollection<string> areas, Area area)
        {
            if (!string.IsNullOrEmpty(area.Description))
                areas.Add(string.Format("{0}: {1}", area.Name, area.Description));
            else
                areas.Add(area.Name);
        }

        #endregion [rgn]
    }
}