#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.Text;
using Arthea.Connections.Colors;
using Arthea.Connections.Players;
using Arthea.Continents.Areas.Characters;
using Arthea.Continents.Areas.Rooms.Exits;

namespace Arthea.Commands
{
    /// <summary>
    /// Implements a look command.
    /// </summary>
    public class LookCommand : Command
    {
        #region [rgn] Fields (1)

        private static readonly LookCommand instance = new LookCommand();

        #endregion [rgn]

        #region [rgn] Constructors (1)

        /// <summary>
        /// Initializes a new instance of the <see cref="LookCommand"/> class.
        /// </summary>
        private LookCommand() : base("look", "looks at a room, character or item")
        {
        }

        #endregion [rgn]

        #region [rgn] Properties (1)

        /// <summary>
        /// Gets the instance.
        /// </summary>
        /// <value>The instance.</value>
        public static LookCommand Instance
        {
            get { return instance; }
        }

        #endregion [rgn]

        #region [rgn] Methods (1)

        // [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)
        {
            if (!argument)
            {
                if (player.Room.Name != null)
                    player.WriteLine(CustomColor.RoomName + "{0}~X", player.Room.Name);
                if (player.Room.Description != null)
                    player.WriteLine(player.Room.Description);

                if (player.Room.Exits.Count > 0)
                {
                    player.WriteLine();
                    StringBuilder buf = new StringBuilder("Exits: [");
                    foreach (Exit exit in player.Room.Exits.Values)
                    {
                        if (!string.IsNullOrEmpty(exit.Keyword))
                            buf.Append(exit.Keyword);
                        else
                            buf.Append(exit.Direction.ToString());
                        buf.Append(" ");
                    }
                    buf.Remove(buf.Length - 1, 1);
                    buf.Append("]");
                    player.WriteLine(buf.ToString());
                }

                player.Room.Items.ShowToPlayer(player, false);

                foreach (Character ch in player.Room.Characters)
                {
                    if (ch != player)
                        player.WriteLine(ch.RoomDescr);
                }
                return;
            }

            Character act = player.Room.Characters.FindName(argument);
            if (act != null)
            {
                if (act.Description.Length == 0)
                {
                    player.WriteLine("You don't see anything special about {0}.", act.ShortDescr);
                }
                else
                {
                    player.WriteLine(act.Description);
                }
                return;
            }

            player.WriteLine("You can't seem to find {0}.", argument);
        }

        #endregion [rgn]
    }

    /// <summary>
    /// Implementation of a auto look command.
    /// </summary>
    public class AutoLookCommand : Command
    {
        #region [rgn] Constructors (1)

        /// <summary>
        /// Initializes a new instance of the <see cref="AutoLookCommand"/> class.
        /// </summary>
        public AutoLookCommand() : base("autolook", "Automatically look when you hit enter.")
        {
        }

        #endregion [rgn]

        #region [rgn] Methods (2)

        // [rgn] Public Methods (2)

        /// <summary>
        /// Gets the instance.
        /// </summary>
        /// <value>The instance.</value>
        public static void Look(Player player)
        {
            if (player.Config.Has(PlayerConfig.AutoLook))
                LookCommand.Instance.Process(player, "");
            else
                player.DisplayPrompt();
        }

        /// <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)
        {
            player.Config.Toggle(PlayerConfig.AutoLook);
            player.WriteLine("Autolook {0}abled.", player.Config.Has(PlayerConfig.AutoLook)
                                                       ? "en"
                                                       : "dis");
        }

        #endregion [rgn]
    }
}