/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
Copyright (C) 2000-2009 Darklegion Development
 
This file is part of Tremulous.
 
Tremulous 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 2 of the License,
or (at your option) any later version.
 
Tremulous 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 Tremulous; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

//
// gameinfo.c
//

#include "ui_local.h"


//
// arena and bot info
//


int       ui_numBots;
static char   *ui_botInfos[MAX_BOTS];

static int    ui_numArenas;
static char   *ui_arenaInfos[MAX_ARENAS];

/*
===============
UI_ParseInfos
===============
*/
int UI_ParseInfos( char *buf, int max, char *infos[] )
{
  char  * token;
  int   count;
  char  key[MAX_TOKEN_CHARS];
  char  info[MAX_INFO_STRING];

  count = 0;

  while( 1 )
  {
    token = COM_Parse( &buf );

    if( !token[0] )
      break;

    if( strcmp( token, "{" ) )
    {
      Com_Printf( "Missing { in info file\n" );
      break;
    }

    if( count == max )
    {
      Com_Printf( "Max infos exceeded\n" );
      break;
    }

    info[0] = '\0';

    while( 1 )
    {
      token = COM_ParseExt( &buf, qtrue );

      if( !token[0] )
      {
        Com_Printf( "Unexpected end of info file\n" );
        break;
      }

      if( !strcmp( token, "}" ) )
        break;

      Q_strncpyz( key, token, sizeof( key ) );

      token = COM_ParseExt( &buf, qfalse );

      if( !token[0] )
        strcpy( token, "<NULL>" );

      Info_SetValueForKey( info, key, token );
    }

    //NOTE: extra space for arena number
    infos[count] = UI_Alloc( strlen( info ) + strlen( "\\num\\" ) + strlen( va( "%d", MAX_ARENAS ) ) + 1 );

    if( infos[count] )
    {
      strcpy( infos[count], info );
      count++;
    }
  }

  return count;
}

/*
===============
UI_LoadArenasFromFile
===============
*/
static void UI_LoadArenasFromFile( char *filename )
{
  int       len;
  fileHandle_t  f;
  char      buf[MAX_ARENAS_TEXT];

  len = trap_FS_FOpenFile( filename, &f, FS_READ );

  if( !f )
  {
    trap_Print( va( S_COLOR_RED "file not found: %s\n", filename ) );
    return;
  }

  if( len >= MAX_ARENAS_TEXT )
  {
    trap_Print( va( S_COLOR_RED "file too large: %s is %i, max allowed is %i", filename, len, MAX_ARENAS_TEXT ) );
    trap_FS_FCloseFile( f );
    return;
  }

  trap_FS_Read( buf, len, f );
  buf[len] = 0;
  trap_FS_FCloseFile( f );

  ui_numArenas += UI_ParseInfos( buf, MAX_ARENAS - ui_numArenas, &ui_arenaInfos[ui_numArenas] );
}

/*
=================
UI_MapNameCompare
=================
*/
static int UI_MapNameCompare( const void *a, const void *b )
{
  mapInfo * A = ( mapInfo * )a;
  mapInfo *B = ( mapInfo * )b;

  return Q_stricmp( A->mapName, B->mapName );
}

/*
===============
UI_LoadArenas
===============
*/
void UI_LoadArenas( void )
{
  int     numdirs;
  char    filename[128];
  char    dirlist[1024];
  char*   dirptr;
  int     i, n;
  int     dirlen;
  char    *type;

  ui_numArenas = 0;
  uiInfo.mapCount = 0;

  // get all arenas from .arena files
  numdirs = trap_FS_GetFileList( "scripts", ".arena", dirlist, 1024 );
  dirptr  = dirlist;

  for( i = 0; i < numdirs; i++, dirptr += dirlen + 1 )
  {
    dirlen = strlen( dirptr );
    strcpy( filename, "scripts/" );
    strcat( filename, dirptr );
    UI_LoadArenasFromFile( filename );
  }

  trap_Print( va( "[skipnotify]%i arenas parsed\n", ui_numArenas ) );

  if( UI_OutOfMemory() )
    trap_Print( S_COLOR_YELLOW"WARNING: not anough memory in pool to load all arenas\n" );

  for( n = 0; n < ui_numArenas; n++ )
  {
    // determine type
    type = Info_ValueForKey( ui_arenaInfos[ n ], "type" );
    // if no type specified, it will be treated as "ffa"

    uiInfo.mapList[uiInfo.mapCount].cinematic = -1;
    uiInfo.mapList[uiInfo.mapCount].mapLoadName = String_Alloc( Info_ValueForKey( ui_arenaInfos[n], "map" ) );
    uiInfo.mapList[uiInfo.mapCount].mapName = String_Alloc( Info_ValueForKey( ui_arenaInfos[n], "longname" ) );
    uiInfo.mapList[uiInfo.mapCount].levelShot = -1;
    uiInfo.mapList[uiInfo.mapCount].imageName = String_Alloc( va( "levelshots/%s", uiInfo.mapList[uiInfo.mapCount].mapLoadName ) );

    uiInfo.mapCount++;

    if( uiInfo.mapCount >= MAX_MAPS )
      break;
  }

  qsort( uiInfo.mapList, uiInfo.mapCount, sizeof( mapInfo ), UI_MapNameCompare );
}


/*
===============
UI_LoadBotsFromFile
===============
*/
static void UI_LoadBotsFromFile( char *filename )
{
  int       len;
  fileHandle_t  f;
  char      buf[MAX_BOTS_TEXT];

  len = trap_FS_FOpenFile( filename, &f, FS_READ );

  if( !f )
  {
    trap_Print( va( S_COLOR_RED "file not found: %s\n", filename ) );
    return;
  }

  if( len >= MAX_BOTS_TEXT )
  {
    trap_Print( va( S_COLOR_RED "file too large: %s is %i, max allowed is %i", filename, len, MAX_BOTS_TEXT ) );
    trap_FS_FCloseFile( f );
    return;
  }

  trap_FS_Read( buf, len, f );
  buf[len] = 0;
  trap_FS_FCloseFile( f );

  COM_Compress( buf );

  ui_numBots += UI_ParseInfos( buf, MAX_BOTS - ui_numBots, &ui_botInfos[ui_numBots] );
}

/*
===============
UI_LoadBots
===============
*/
void UI_LoadBots( void )
{
  vmCvar_t  botsFile;
  int     numdirs;
  char    filename[128];
  char    dirlist[1024];
  char*   dirptr;
  int     i;
  int     dirlen;

  ui_numBots = 0;

  trap_Cvar_Register( &botsFile, "g_botsFile", "", CVAR_INIT | CVAR_ROM );

  if( *botsFile.string )
    UI_LoadBotsFromFile( botsFile.string );
  else
    UI_LoadBotsFromFile( "scripts/bots.txt" );

  // get all bots from .bot files
  numdirs = trap_FS_GetFileList( "scripts", ".bot", dirlist, 1024 );

  dirptr  = dirlist;

  for( i = 0; i < numdirs; i++, dirptr += dirlen + 1 )
  {
    dirlen = strlen( dirptr );
    strcpy( filename, "scripts/" );
    strcat( filename, dirptr );
    UI_LoadBotsFromFile( filename );
  }

  trap_Print( va( "%i bots parsed\n", ui_numBots ) );
}


/*
===============
UI_GetBotInfoByNumber
===============
*/
char *UI_GetBotInfoByNumber( int num )
{
  if( num < 0 || num >= ui_numBots )
  {
    trap_Print( va( S_COLOR_RED "Invalid bot number: %i\n", num ) );
    return NULL;
  }

  return ui_botInfos[num];
}


/*
===============
UI_GetBotInfoByName
===============
*/
char *UI_GetBotInfoByName( const char *name )
{
  int   n;
  char  *value;

  for( n = 0; n < ui_numBots ; n++ )
  {
    value = Info_ValueForKey( ui_botInfos[n], "name" );

    if( !Q_stricmp( value, name ) )
      return ui_botInfos[n];
  }

  return NULL;
}

int UI_GetNumBots( void )
{
  return ui_numBots;
}


char *UI_GetBotNameByNumber( int num )
{
  char * info = UI_GetBotInfoByNumber( num );

  if( info )
    return Info_ValueForKey( info, "name" );

  return "";
}

void UI_ServerInfo( void )
{
  char      info[ MAX_INFO_VALUE ];
  char      hostname[MAX_HOSTNAME_LENGTH];

  info[0] = '\0';

  if( trap_GetConfigString( CS_SERVERINFO, info, sizeof( info ) ) )
  {
    trap_Cvar_Set( "ui_serverinfo_mapname",
                   Info_ValueForKey( info, "mapname" ) );
    trap_Cvar_Set( "ui_serverinfo_timelimit",
                   Info_ValueForKey( info, "timelimit" ) );
    trap_Cvar_Set( "ui_serverinfo_sd",
                   Info_ValueForKey( info, "g_suddenDeathTime" ) );
    UI_EscapeEmoticons( hostname, Info_ValueForKey( info, "sv_hostname" ),
                        sizeof( hostname ) );
    trap_Cvar_Set( "ui_serverinfo_hostname", hostname );
    trap_Cvar_Set( "ui_serverinfo_maxclients",
                   Info_ValueForKey( info, "sv_maxclients" ) );
    trap_Cvar_Set( "ui_serverinfo_version",
                   Info_ValueForKey( info, "version" ) );
    trap_Cvar_Set( "ui_serverinfo_unlagged",
                   Info_ValueForKey( info, "g_unlagged" ) );
    trap_Cvar_Set( "ui_serverinfo_friendlyFire",
                   Info_ValueForKey( info, "g_friendlyFire" ) );
    trap_Cvar_Set( "ui_serverinfo_friendlyBuildableFire",
                   Info_ValueForKey( info, "g_friendlyBuildableFire" ) );
    trap_Cvar_Set( "ui_serverinfo_allowdl",
                   Info_ValueForKey( info, "sv_allowdownload" ) );
  }
}