using System;
using System.Collections.Generic;

namespace Server.Commands.Generic
{
  public class RegionCommandImplementor : BaseCommandImplementor
  {
    public RegionCommandImplementor()
    {
      Accessors = new[] { "Region" };
      SupportRequirement = CommandSupport.Region;
      SupportsConditionals = true;
      AccessLevel = AccessLevel.GameMaster;
      Usage = "Region <command> [condition]";
      Description =
        "Invokes the command on all appropriate mobiles in your current region. Optional condition arguments can further restrict the set of objects.";
    }

    public override void Compile(Mobile from, BaseCommand command, ref string[] args, ref object obj)
    {
      try
      {
        Extensions ext = Extensions.Parse(from, ref args);

        if (!CheckObjectTypes(from, command, ext, out bool _, out bool mobiles))
          return;

        Region reg = from.Region;

        List<object> list = new List<object>();

        if (mobiles)
        {
          foreach (Mobile mob in reg.GetMobiles())
          {
            if (!BaseCommand.IsAccessible(from, mob))
              continue;

            if (ext.IsValid(mob))
              list.Add(mob);
          }
        }
        else
        {
          command.LogFailure("This command does not support items.");
          return;
        }

        ext.Filter(list);

        obj = list;
      }
      catch (Exception ex)
      {
        from.SendMessage(ex.Message);
      }
    }
  }
}