/*! 
 * \file  mg_tools.c
 * \brief  A few util functions for standalone and plugin messaging for the vdr muggle plugindatabase
 *
 * \version $Revision: 1.4 $
 * \date    $Date$
 * \author  Ralf Klueber, Lars von Wedel, Andreas Kellner
 * \author  file owner: $Author$
 */

#include "mg_tools.h"

/*extern "C"
{*/
  #include <stdarg.h>
  #include <stdio.h>
/*}
*/
#include <stdlib.h>

#define  MAX_BUFLEN  2048
#define  MAX_QUERY_BUFLEN  2048

static char buffer[MAX_BUFLEN];
static char querybuf[MAX_QUERY_BUFLEN];

static int DEBUG_LEVEL=3;

void mgSetDebugLevel(int new_level)
{
  DEBUG_LEVEL = new_level;
}

void mgDebug(int level, const char *fmt, ...)
{
  
  va_list ap;
  if(level <= DEBUG_LEVEL)
  {
    va_start(ap, fmt);
  
    vsnprintf(buffer, MAX_BUFLEN-1, fmt, ap);
    if(STANDALONE)
    {
      fprintf(stderr, "dbg %d: %s\n", level, buffer);
    }
    else
    {
#if !STANDALONE
      isyslog( "%s\n", buffer);
#endif
    }
  }
  va_end(ap);
}

void mgDebug( const char *fmt, ... )
{
  va_list ap;
  va_start( ap, fmt );
  mgDebug( 1, fmt, ap );
}


void mgWarning(const char *fmt, ...)
{
  
  va_list ap;
  va_start(ap, fmt);  
  vsnprintf(buffer, MAX_BUFLEN-1, fmt, ap);

  if(STANDALONE)
  {
    fprintf(stderr, "warning: %s\n",  buffer);
  }
  else
    {
#if !STANDALONE
      isyslog( "Warning: %s\n", buffer);
#endif
    }
  
  va_end(ap);
}

void mgError(const char *fmt, ...)
{
  
  va_list ap;
  va_start(ap, fmt);  
  vsnprintf(buffer, MAX_BUFLEN-1, fmt, ap);

  if(STANDALONE)
    {
      fprintf(stderr, "Error: %s\n", buffer);
      exit(1);
    }
  else
    {
#if !STANDALONE
      isyslog( "Error in Muggle: %s\n", buffer);
#endif
    }

  va_end(ap);
}

MYSQL_RES* mgSqlReadQuery(MYSQL *db, const char *fmt, ...)
{
  va_list ap;
  va_start( ap, fmt );  
  vsnprintf( querybuf, MAX_QUERY_BUFLEN-1, fmt, ap );
  
  if( mysql_query(db, querybuf) )
    {
      mgError( "SQL error in MUGGLE:\n%s\n", querybuf );
    }
  
  MYSQL_RES *result = mysql_store_result(db);
  
  va_end(ap);
  return result;
}

void mgSqlWriteQuery(MYSQL *db, const char *fmt, ...)
{
  va_list ap;
  va_start(ap, fmt);
  vsnprintf(querybuf, MAX_QUERY_BUFLEN-1, fmt, ap);
  
  if( mysql_query(db, querybuf) )
    {
      mgError( "SQL error in MUGGLE:\n%s\n", querybuf );
    }
  
  va_end(ap);
}