/*
 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
 * 
 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
 * Copyright (©) 1992,2007 Frank Tore Johansen
 * 
 * Crossfire TRT 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.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 * 
 * The authors can be reached via e-mail to <crossfire@schmorp.de>
 */

#include <global.h>
#include <loader.h>
#include <sproto.h>

/* Handles misc. input request - things like hash table, malloc, maps, etc */

int
command_motd (object *op, char *params)
{
  display_motd (op);
  return 1;
}

#ifdef DEBUG_MALLOC_LEVEL
int
command_malloc_verify (object *op, char *parms)
{
  extern int malloc_verify (void);
  
  if (!malloc_verify ())
    new_draw_info (NDI_UNIQUE, 0, op, "Heap is corrupted.");
  else
    new_draw_info (NDI_UNIQUE, 0, op, "Heap checks out OK.");
  return 1;
}
#endif

typedef struct
{
  char namebuf[MAX_BUF];
  int login_order;
} chars_names;

int
command_time (object *op, char *params)
{
  print_tod (op);
  return 1;
}

int
command_debug (object *op, char *params)
{
  int i;
  char buf[MAX_BUF];

  if (params == NULL || !sscanf (params, "%d", &i))
    {
      sprintf (buf, "Global debug level is %d.", settings.debug);
      new_draw_info (NDI_UNIQUE, 0, op, buf);
      return 1;
    }

  settings.debug = i;

  sprintf (buf, "Set debug level to %d.", i);
  new_draw_info (NDI_UNIQUE, 0, op, buf);
  return 1;
}


/*
 * Those dumps should be just one dump with good parser
 */

int
command_dumpbelow (object *op, char *params)
{
  if (op && op->below)
    {
      char *dump = dump_object (op->below);
      new_draw_info (NDI_UNIQUE, 0, op, dump);
      free (dump);
      /* Let's push that item on the dm's stack */
      dm_stack_push (op->contr, op->below->count);
    }
  return 0;
}

int
command_dumpfriendlyobjects (object *op, char *params)
{
  dump_friendly_objects ();
  return 0;
}

int
command_printlos (object *op, char *params)
{
  if (op)
    print_los (op);
  return 0;
}


int
command_version (object *op, char *params)
{
  version (op);
  return 0;
}

#ifndef BUG_LOG
# define BUG_LOG "bug_log"
#endif
void
bug_report (const char *reportstring)
{
  FILE *fp;

  if ((fp = fopen (BUG_LOG, "a")) != NULL)
    {
      fprintf (fp, "%s\n", reportstring);
      fclose (fp);
    }
  else
    {
      LOG (llevError, "Cannot write bugs file %s: %s\n", BUG_LOG, strerror (errno));
    }
}

/* Prints out some useful information for the character.  Everything we print
 * out can be determined by the docs, so we aren't revealing anything extra -
 * rather, we are making it convenient to find the values.  params have
 * no meaning here.
 */
int
command_statistics (object *pl, char *params)
{
  if (!pl->contr)
    return 1;
  new_draw_info_format (NDI_UNIQUE, 0, pl, "  Experience: %" PRId64, pl->stats.exp);
  new_draw_info_format (NDI_UNIQUE, 0, pl, "  Next Level: %" PRId64, level_exp (pl->level + 1, pl->expmul));
  new_draw_info (NDI_UNIQUE, 0, pl, "\nStat       Nat/Real/Max");

  new_draw_info_format (NDI_UNIQUE, 0, pl, "Str         %2d/ %3d/%3d",
                        pl->contr->orig_stats.Str, pl->stats.Str, 20 + pl->arch->stats.Str);
  new_draw_info_format (NDI_UNIQUE, 0, pl, "Dex         %2d/ %3d/%3d",
                        pl->contr->orig_stats.Dex, pl->stats.Dex, 20 + pl->arch->stats.Dex);
  new_draw_info_format (NDI_UNIQUE, 0, pl, "Con         %2d/ %3d/%3d",
                        pl->contr->orig_stats.Con, pl->stats.Con, 20 + pl->arch->stats.Con);
  new_draw_info_format (NDI_UNIQUE, 0, pl, "Int         %2d/ %3d/%3d",
                        pl->contr->orig_stats.Int, pl->stats.Int, 20 + pl->arch->stats.Int);
  new_draw_info_format (NDI_UNIQUE, 0, pl, "Wis         %2d/ %3d/%3d",
                        pl->contr->orig_stats.Wis, pl->stats.Wis, 20 + pl->arch->stats.Wis);
  new_draw_info_format (NDI_UNIQUE, 0, pl, "Pow         %2d/ %3d/%3d",
                        pl->contr->orig_stats.Pow, pl->stats.Pow, 20 + pl->arch->stats.Pow);
  new_draw_info_format (NDI_UNIQUE, 0, pl, "Cha         %2d/ %3d/%3d",
                        pl->contr->orig_stats.Cha, pl->stats.Cha, 20 + pl->arch->stats.Cha);
  new_draw_info_format (NDI_UNIQUE, 0, pl, "\nAttack Mode: %s", pl->contr->peaceful ? "Peaceful" : "Hostile");

  /* Can't think of anything else to print right now */
  return 0;
}

int
command_fix_me (object *op, char *params)
{
  sum_weight (op);
  op->update_stats ();
  new_draw_info (NDI_UNIQUE, 0, op, "Your character was fixed.");

  return 1;
}

int
command_logs (object *op, char *params)
{
  new_draw_info (NDI_UNIQUE, 0, op, "Nobody is currently logging kills.");

  return 1;
}

int
command_bowmode (object *op, char *params)
{
  bowtype_t oldtype = op->contr->bowtype;
  static const char *const types[] = { "normal", "threewide", "spreadshot", "firenorth",
    "firene", "fireeast", "firese", "firesouth",
    "firesw", "firewest", "firenw", "bestarrow"
  };
  char buf[MAX_BUF];
  int i, found;

  if (!params)
    {
      new_draw_info_format (NDI_UNIQUE, 0, op, "bowmode is set to %s", types[op->contr->bowtype]);
      return 1;
    }

  for (i = 0, found = 0; i <= bow_bestarrow; i++)
    {
      if (!strcmp (params, types[i]))
        {
          found++;
          op->contr->bowtype = (bowtype_t) i;
          break;
        }
    }

  if (!found)
    {
      sprintf (buf, "bowmode: Unknown options %s, valid options are:", params);
      for (i = 0; i <= bow_bestarrow; i++)
        {
          strcat (buf, " ");
          strcat (buf, types[i]);
          if (i < bow_nw)
            strcat (buf, ",");
          else
            strcat (buf, ".");
        }
      new_draw_info_format (NDI_UNIQUE, 0, op, buf);
      return 0;
    }

  new_draw_info_format (NDI_UNIQUE, 0, op, "bowmode %s set to %s", (oldtype == op->contr->bowtype ? "" : "now"), types[op->contr->bowtype]);
  return 1;
}

int
command_showpets (object *op, char *params)
{
  objectlink *obl, *next;
  int counter = 0, target = 0;
  int have_shown_pet = 0;

  if (params != NULL)
    target = atoi (params);
  for (obl = first_friendly_object; obl != NULL; obl = next)
    {
      object *ob = obl->ob;

      next = obl->next;
      if (ob->owner == op)
        {
          if (target == 0)
            {
              if (counter == 0)
                new_draw_info (NDI_UNIQUE, 0, op, "Pets:");
              new_draw_info_format (NDI_UNIQUE, 0, op, "%d  %s - level %d", ++counter, &ob->name, ob->level);
            }
          else if (!have_shown_pet && ++counter == target)
            {
              new_draw_info_format (NDI_UNIQUE, 0, op, "level %d %s", ob->level, &ob->name);
              new_draw_info_format (NDI_UNIQUE, 0, op, "%d/%d HP, %d/%d SP", ob->stats.hp, ob->stats.maxhp, ob->stats.sp, ob->stats.maxsp);
              /* this is not a nice way to do this, it should be made to be more like the statistics command */
              new_draw_info_format (NDI_UNIQUE, 0, op, "Str %d", ob->stats.Str);
              new_draw_info_format (NDI_UNIQUE, 0, op, "Dex %d", ob->stats.Dex);
              new_draw_info_format (NDI_UNIQUE, 0, op, "Con %d", ob->stats.Con);
              new_draw_info_format (NDI_UNIQUE, 0, op, "Int %d", ob->stats.Int);
              new_draw_info_format (NDI_UNIQUE, 0, op, "Wis %d", ob->stats.Wis);
              new_draw_info_format (NDI_UNIQUE, 0, op, "Cha %d", ob->stats.Cha);
              new_draw_info_format (NDI_UNIQUE, 0, op, "Pow %d", ob->stats.Pow);
              new_draw_info_format (NDI_UNIQUE, 0, op, "wc %d  damage %d ac %d ", ob->stats.wc, ob->stats.dam, ob->stats.ac);
              have_shown_pet = 1;
            }
        }
    }
  if (counter == 0)
    new_draw_info (NDI_UNIQUE, 0, op, "you have no pets.");
  else if (target != 0 && have_shown_pet == 0)
    new_draw_info (NDI_UNIQUE, 0, op, "no such pet.");
  return 0;
}

int
command_resistances (object *op, char *params)
{
  int i;

  if (!op)
    return 0;

  for (i = 0; i < NROFATTACKS; i++)
    {
      if (i == ATNR_INTERNAL)
        continue;

      new_draw_info_format (NDI_UNIQUE, 0, op, "%-20s %+5d", attacktype_desc[i], op->resist[i]);
    }

  /* If dragon player, let's display natural resistances */
  if (is_dragon_pl (op))
    {
      int attack;
      object *tmp;

      for (tmp = op->inv; tmp != NULL; tmp = tmp->below)
        {
          if ((tmp->type == FORCE) && (strcmp (tmp->arch->archname, "dragon_skin_force") == 0))
            {
              new_draw_info (NDI_UNIQUE, 0, op, "\nNatural skin resistances:");
              for (attack = 0; attack < NROFATTACKS; attack++)
                {
                  if (atnr_is_dragon_enabled (attack))
                    {
                      new_draw_info_format (NDI_UNIQUE, 0, op, "%s: %d", change_resist_msg[attack], tmp->resist[attack]);
                    }
                }
              break;
            }
        }
    }

  return 0;
}

/*
 * Actual commands.
 * Those should be in small separate files (c_object.c, c_wiz.c, cmove.c,...)
 */

int
onoff_value (const char *line)
{
  int i;

  if (sscanf (line, "%d", &i))
    return (i != 0);
  switch (line[0])
    {
        case 'o':
          switch (line[1])
            {
                case 'n':
                  return 1;     /* on */
                default:
                  return 0;     /* o[ff] */
            }
        case 'y':              /* y[es] */
        case 'k':              /* k[ylla] */
        case 's':
        case 'd':
          return 1;
        case 'n':              /* n[o] */
        case 'e':              /* e[i] */
        case 'u':
        default:
          return 0;
    }
}

int
command_title (object *op, char *params)
{
  char buf[MAX_BUF];

  if (settings.set_title == FALSE)
    {
      new_draw_info (NDI_UNIQUE, 0, op, "You cannot change your title.");
      return 1;
    }

  /* dragon players cannot change titles */
  if (is_dragon_pl (op))
    {
      new_draw_info (NDI_UNIQUE, 0, op, "Dragons cannot change titles.");
      return 1;
    }

  if (params == NULL)
    {
      if (op->contr->own_title[0] == '\0')
        sprintf (buf, "Your title is '%s'.", op->contr->title);
      else
        sprintf (buf, "Your title is '%s'.", op->contr->own_title);
      new_draw_info (NDI_UNIQUE, 0, op, buf);
      return 1;
    }
  if (strcmp (params, "clear") == 0 || strcmp (params, "default") == 0)
    {
      if (op->contr->own_title[0] == '\0')
        new_draw_info (NDI_UNIQUE, 0, op, "Your title is the default title.");
      else
        new_draw_info (NDI_UNIQUE, 0, op, "Title set to default.");
      op->contr->own_title[0] = '\0';
      return 1;
    }

  if ((int) strlen (params) >= MAX_NAME)
    {
      new_draw_info (NDI_UNIQUE, 0, op, "Title too long.");
      return 1;
    }
  strcpy (op->contr->own_title, params);
  return 1;
}

int
command_kill_pets (object *op, char *params)
{
  objectlink *obl, *next;
  int counter = 0, removecount = 0;

  if (!params)
    {
      terminate_all_pets (op);
      new_draw_info (NDI_UNIQUE, 0, op, "Your pets have been killed.");
    }
  else
    {
      int target = atoi (params);

      for (obl = first_friendly_object; obl; obl = next)
        {
          object *ob = obl->ob;

          next = obl->next;

          if (ob->owner == op)
            if (++counter == target || (target == 0 && !strcasecmp (ob->name, params)))
              {
                ob->destroy ();
                removecount++;
              }
        }

      if (removecount != 0)
        new_draw_info_format (NDI_UNIQUE, 0, op, "killed %d pets.\n", removecount);
      else
        new_draw_info (NDI_UNIQUE, 0, op, "Couldn't find any suitable pets to kill.\n");
    }

  return 0;
}