/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
Copyright (C) 2000-2006 Tim Angus

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_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;

/*  trap_Cvar_Register( &arenasFile, "g_arenasFile", "", CVAR_INIT|CVAR_ROM );
  if( *arenasFile.string ) {
    UI_LoadArenasFromFile(arenasFile.string);
  }
  else {
    UI_LoadArenasFromFile("scripts/arenas.txt");
  }*/

  // 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( "%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"

    if( *type && strstr( type, "tremulous" ) )
      uiInfo.mapList[ uiInfo.mapCount ].typeBits |= ( 1 << 0 );
    else
      continue; //not a trem map

    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;
  }
}


/*
===============
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() {
  return ui_numBots;
}


char *UI_GetBotNameByNumber( int num ) {
  char *info = UI_GetBotInfoByNumber(num);
  if (info) {
    return Info_ValueForKey( info, "name" );
  }
  return "Sarge";
}