/****************************************************************************
 * ResortMUD Version 5.0 was mainly programmed by Ntanel, Garinan, Josh,    *
 * Badastaz, Digifuzz, Senir, Kratas, Scion, Shogar and Tagith.             *
 * ------------------------------------------------------------------------ *
 * Copyright (C) 1996 - 2001 Haslage Net Electronics: MudWorld of Lorain,   *
 * Ohio.    ALL RIGHTS RESERVED    See /doc/RMLicense.txt for more details. *
 ****************************************************************************/

#include <string.h>
#include <ctype.h>
#include <sys/stat.h>
#include "mud.h"

/*
 
 Locker System, (c) 1997-2001 Jay Roman, jay@directlink.net
 =====================================================================

*/

LOCKER_DATA *load_locker( CHAR_DATA * ch );
void fread_locker( LOCKER_DATA * locker, FILE * fp );
void fwrite_locker( CHAR_DATA * ch );
ROOM_INDEX_DATA *generate_virtual_room( ROOM_INDEX_DATA * in_room );
void delete_locker( CHAR_DATA * ch );

/* Declared in act_move.c */
extern ROOM_INDEX_DATA *vroom_hash[64];

#define LOCKER_PRICE    500000
#define LOCKER_CAPACITY 500

LOCKER_DATA *load_locker( CHAR_DATA * ch )
{
   LOCKER_DATA *locker;
   OBJ_DATA *obj;
   ROOM_INDEX_DATA *room;
   char strsave[MAX_INPUT_LENGTH];
   FILE *fp;
   bool found;
   char buf[MAX_INPUT_LENGTH];

   locker = NULL;

   /*
    * Find the locker file 
    */

   sprintf( strsave, "%s%s", LOCKER_DIR, capitalize( ch->name ) );

   if( ( fp = fopen( strsave, "r" ) ) != NULL )
   {
      CREATE( locker, LOCKER_DATA, 1 );
      locker->capacity = 0;
      locker->holding = 0;
      locker->flags = 0;
      locker->room = 0;

      found = TRUE;

      for( ;; )
      {
         char letter;
         char *word;

         letter = fread_letter( fp );
         if( letter == '*' )
         {
            fread_to_eol( fp );
            continue;
         }

         if( letter != '#' )
         {
            bug( "Load_locker: # not found.", 0 );
            bug( ch->name, 0 );
            break;
         }

         word = fread_word( fp );
         if( !str_cmp( word, "LOCKER" ) )
         {
            fread_locker( locker, fp );

            room = generate_virtual_room( ch->in_room );

            ch->pcdata->locker_vnum = ch->in_room->vnum;
            ch->pcdata->locker_room = room;

            /*
             * Move the character to the locker room 
             */
            char_from_room( ch );
            char_to_room( ch, room );
         }
         else if( !str_cmp( word, "OBJECT" ) )  /* Objects  */
            fread_obj( ch, fp, OS_LOCKER );
         else if( !str_cmp( word, "END" ) )  /* Done     */
            break;
         else
         {
            bug( "Load_locker: bad section.", 0 );
            sprintf( buf, "[%s]", word );
            bug( buf, 0 );
            bug( ch->name, 0 );
            break;
         }
      }

      fclose( fp );

      /*
       * Total the weight of the contents 
       */
      for( obj = ch->in_room->first_content; obj; obj = obj->next_content )
      {
         locker->holding = locker->holding + ( obj->weight * obj->count );
      }
   }

   return locker;
}

void fread_locker( LOCKER_DATA * locker, FILE * fp )
{
   char buf[MAX_STRING_LENGTH];
   char *word;
   bool fMatch;
   for( ;; )
   {
      word = feof( fp ) ? "End" : fread_word( fp );
      fMatch = FALSE;

      switch ( UPPER( word[0] ) )
      {
         case '*':
            fMatch = TRUE;
            fread_to_eol( fp );
            break;

         case 'C':
            KEY( "Capacity", locker->capacity, fread_number( fp ) );
            break;

         case 'F':
            KEY( "Flags", locker->flags, fread_number( fp ) );
            break;

         case 'E':
            if( !str_cmp( word, "End" ) )
               return;
            break;

         case 'R':
            KEY( "Room", locker->room, fread_number( fp ) );
            break;
      }

      if( !fMatch )
      {
         sprintf( buf, "Fread_locker: no match: %s", word );
         bug( buf, 0 );
      }
   }

}

void fwrite_locker( CHAR_DATA * ch )
{
   /*
    * Variables 
    */
   FILE *fp = NULL;
   OBJ_DATA *obj;
   char strsave[MAX_INPUT_LENGTH];

   if( !ch->pcdata->locker )
   {
      bug( "Fwrite_locker: NULL object.", 0 );
      bug( ch->name, 0 );
      return;
   }

   sprintf( strsave, "%s%s", LOCKER_DIR, capitalize( ch->name ) );

   if( ( fp = fopen( strsave, "w" ) ) != NULL )
   {
      /*
       * Save the locker details 
       */
      fprintf( fp, "#LOCKER\n" );
      fprintf( fp, "Capacity     %d\n", ch->pcdata->locker->capacity );
      fprintf( fp, "Flags        %d\n", ch->pcdata->locker->flags );
      fprintf( fp, "End\n\n" );

      /*
       * Save the objects in the locker room 
       */
      for( obj = ch->in_room->first_content; obj; obj = obj->next_content )
      {
         fwrite_obj( ch, obj, fp, 0, OS_LOCKER );
      }

      fprintf( fp, "#END\n" );
      fclose( fp );
   }
   return;
}

void do_locker( CHAR_DATA * ch, char *argument )
{
   /*
    * Variables 
    */
   char buf[MAX_INPUT_LENGTH];
   LOCKER_DATA *locker;
   char arg[MAX_INPUT_LENGTH];
   OBJ_DATA *obj;

   if( IS_NPC( ch ) )
      return;

   argument = one_argument( argument, arg );
   if( arg[0] == '\0' )
   {
      send_to_char( "Syntax: locker <open | close>\r\n", ch );
      return;
   }

   if( !str_cmp( arg, "open" ) )
   {
      if( ch->pcdata->locker )
      {
         send_to_char( "Your locker is already open.\r\n", ch );
         return;
      }

      if( !IS_SET( ch->in_room->room_flags, ROOM_LOCKER ) )
      {
         send_to_char( "Does this smell like a locker room to you?\r\n", ch );
         return;
      }

      locker = load_locker( ch );

      if( !locker )
      {
         send_to_char( "You do not have a locker.\r\n", ch );
         return;
      }

      ch->pcdata->locker = locker;

      do_look( ch, "auto" );
      send_to_char( "You are now in your personal locker.\r\n", ch );
   }
   else if( !str_cmp( arg, "close" ) )
   {
      if( !ch->pcdata->locker )
      {
         send_to_char( "You are not currently in the locker room.\r\n", ch );
         return;
      }

      locker = ch->pcdata->locker;

      /*
       * Total the weight of the contents 
       */
      locker->holding = 0;

      for( obj = ch->in_room->first_content; obj; obj = obj->next_content )
      {
         locker->holding = locker->holding + ( obj->weight * obj->count );

         if( obj->item_type == ITEM_CONTAINER )
         {
            send_to_char( "You may not leave containers in the locker room.\r\n", ch );
            return;
         }
      }

      if( locker->holding > locker->capacity )
      {
         sprintf( buf, "The weight limit of your locker has beed exceeded.  "
                  "You must carry\r\nsome items out when you leave.\r\n" );
         send_to_char( buf, ch );
         return;
      }

      /*
       * Save the locker 
       */
      fwrite_locker( ch );

      /*
       * Return the player to the real world. 
       */
      char_from_room( ch );
      char_to_room( ch, get_room_index( ch->pcdata->locker_vnum ) );

      delete_locker( ch );

      do_look( ch, "auto" );
      send_to_char( "Your locker has been closed and saved.\r\n", ch );
   }
   else
   {
      send_to_char( "Syntax: locker <open | close>\r\n", ch );
   }

   return;
}

ROOM_INDEX_DATA *generate_virtual_room( ROOM_INDEX_DATA * in_room )
{
   ROOM_INDEX_DATA *room = NULL;
   int serial;
   short hash;
   bool found;
   int vnum = in_room->vnum;

   do
   {
      found = FALSE;
      serial = ( vnum << 16 ) | vnum;

      hash = serial % 64;

      for( room = vroom_hash[hash]; room; room = room->next )
      {
         if( room->vnum == serial )
         {
            found = TRUE;
            break;
         }
      }
      vnum++;
   }
   while( found );

   if( !found )
   {
      CREATE( room, ROOM_INDEX_DATA, 1 );
      room->area = in_room->area;
      room->vnum = serial;
      room->tele_vnum = 1;
      room->sector_type = SECT_INSIDE;
      room->room_flags = ROOM_INDOORS | ROOM_PRIVATE | ROOM_NO_RECALL | ROOM_NO_SUMMON | ROOM_NO_ASTRAL | ROOM_SOLITARY;
      room->next = vroom_hash[hash];
      vroom_hash[hash] = room;
      ++top_vroom;
   }

   if( room )
   {
      if( room->name )
         STRFREE( room->name );
      if( room->description )
         STRFREE( room->description );

      room->name = STRALLOC( "Locker Room" );
      room->description =
         STRALLOC
         ( "Use LOCKER CLOSE to leave your locker and save its contents.\r\nYou may not leave containers in the locker.\r\n" );
   }
   return room;
}

void delete_locker( CHAR_DATA * ch )
{
   /*
    * Clean-up the locker room -- Remove the loaded objects 
    */
   while( ch->pcdata->locker_room->first_content )
   {
      extract_obj( ch->pcdata->locker_room->first_content );
   }

   /*
    * Kill the locker object 
    */
   DISPOSE( ch->pcdata->locker );
   ch->pcdata->locker = NULL;

   ch->pcdata->locker_vnum = 0;
   ch->pcdata->locker_room = NULL;

   /*
    * Need to delete the virtual room 
    */
   clear_vrooms(  );
}

void do_makelocker( CHAR_DATA * ch, char *argument )
{
   FILE *fp;
   char filename[256];
   LOCKER_DATA *locker;
   char buf[MAX_STRING_LENGTH];
   char name[MAX_INPUT_LENGTH];
   struct stat fst;

   if( !argument || argument[0] == '\0' )
   {
      send_to_char( "Usage: makelocker <player name>\r\n", ch );
      return;
   }

   /*
    * Is this a valid player? 
    */
   strcpy( name, capitalize( argument ) );
   sprintf( buf, "%s%c/%s", PLAYER_DIR, tolower( argument[0] ), name );
   if( stat( buf, &fst ) == -1 )
   {
      sprintf( buf, "Player file for %s does not exist!\r\n", name );
      send_to_char( buf, ch );
      return;
   }

   sprintf( filename, "%s%s", LOCKER_DIR, name );

   if( stat( filename, &fst ) != -1 )
   {
      sprintf( buf, "Locker file for %s already exists!\r\n", name );
      send_to_char( buf, ch );
      return;
   }

   CREATE( locker, LOCKER_DATA, 1 );
   locker->capacity = LOCKER_CAPACITY;
   locker->flags = 0;

   if( ( fp = fopen( filename, "w" ) ) != NULL )
   {
      /*
       * Save the locker details 
       */
      fprintf( fp, "#LOCKER\n" );
      fprintf( fp, "Capacity     %d\n", locker->capacity );
      fprintf( fp, "Flags        %d\n", locker->flags );
      fprintf( fp, "End\n\n" );

      fprintf( fp, "#END\n" );
      fclose( fp );

      sprintf( buf, "Locker [%s] created for %s\r\n", filename, argument );
      send_to_char( buf, ch );
   }
   return;
}

void do_buylocker( CHAR_DATA * ch, char *argument )
{
   char buf[MAX_STRING_LENGTH];
   struct stat fst;

   if( !IS_SET( ch->in_room->room_flags, ROOM_LOCKER ) )
   {
      send_to_char( "You can't do that here.\r\n", ch );
      return;
   }

   if( ch->gold >= LOCKER_PRICE )
   {
      sprintf( buf, "%s%s", LOCKER_DIR, ch->name );

      if( stat( buf, &fst ) != -1 )
      {
         sprintf( buf, "You already have a locker!\r\n" );
         send_to_char( buf, ch );
      }
      else
      {
         ch->gold -= LOCKER_PRICE;

         do_makelocker( ch, ch->name );

         send_to_char( "Your locker has now been created.\r\n", ch );
      }
   }
   else
   {
      send_to_char( "You do not have the gold to buy a locker!\r\n", ch );
   }
   return;
}