<?php

if (!isset($loggingFlag)) $loggingFlag = false;
$logFile = 0;
$logTime = 0;
$globalModuleName = "";

$studentLoggingFlag = true;
$studentLogFile = 0;

$logFileName = "/m/data1/app.hotlunches.net/errorlog.log";

if (isset($selectedLogFileName) && strlen($selectedLogFileName)) {
   if (is_file($selectedLogFileName)) $logFileName = $selectedLogFileName;
}


if (!function_exists('startLog')) {
   function startLog($moduleName="") {
      global $loggingFlag, $logFileName, $logFile, $globalModuleName, $logTime, $school_num, $school_record, $currentDBMode, $db_dbname;
      $loggingFlag = true;
      if (!is_resource($logFile)) $logFile = fopen($logFileName,"a");

      if (strlen($moduleName) > 0) $globalModuleName = $moduleName;

      fwrite($logFile,"-------------------------------------------\n");
      fwrite($logFile,"-- $globalModuleName --\n");
      $now = time();
      $logTime = microtime(true);
      fwrite($logFile,"-- " . date("Y-m-d H:i:s",$now) . " --\n");
      if (isset($school_num)) fwrite($logFile,"-- $school_num --\n");

      if (isset($_SERVER) && array_key_exists('REMOTE_ADDR', $_SERVER)) {
         $user_ip = $_SERVER["REMOTE_ADDR"];
         fwrite($logFile,"-- $user_ip --\n");
      }

      if (isset($school_record) && array_key_exists('school_name',$school_record))
         fwrite($logFile,"-- " . $school_record['school_name'] . " --\n");

      if (isset($_SESSION) && is_array($_SESSION)) {
         if (array_key_exists('UserInfo',$_SESSION) && array_key_exists('userid',$_SESSION['UserInfo'])) {
            $userid = $_SESSION['UserInfo']['userid'];
            fwrite($logFile,"-- $userid --\n");
         }
      }

      fwrite($logFile, "-- currentDBMode: $currentDBMode --\n");
      fwrite($logFile, "-- currentDB: $db_dbname --\n");
   }
}


if (!function_exists('writeLog')) {
   function writeLog($text,$moduleName="") {
      global $loggingFlag, $logFileName, $logFile, $globalModuleName, $logTime;

      if (!$loggingFlag) return;

      if (strlen($moduleName) > 0) $globalModuleName = $moduleName;
      else {
         if (strlen($globalModuleName) == 0) {
            $moduleName = str_replace("/","",str_replace("/","",$_SERVER['PHP_SELF']));
            $globalModuleName = $moduleName;
         }
      }

      if (!is_resource($logFile)) {
         $logFile = fopen($logFileName,"a");
         fwrite($logFile,"$moduleName: **** Log File Not Open ****\n");
      }

      if (is_array($text)) $text = print_r($text,true);
      else $text = strval($text);

      if (strlen($globalModuleName) > 0) fwrite($logFile,"$globalModuleName: ");
      $incr = microtime(true) - $logTime;
      fwrite($logFile,trim($text) . " (" . number_format($incr,3) . ")\n");
   }
}


if (!function_exists('logExit')) {
   function logExit($text,$moduleName="") {
      global $loggingFlag, $logFile, $globalModuleName;

      if (strlen($moduleName) > 0) $globalModuleName = $moduleName;
      writeLog($text,$moduleName);
      exit();
   }
}


if (!function_exists('endLog')) {
   function endLog() {
      global $loggingFlag, $logFile;

      if (!$loggingFlag) return;
      $loggingFlag = false;
      fclose($logFile);
   }
}


if (!function_exists('startStudentLog')) {
   function startStudentLog() {
      global $studentLoggingFlag, $studentLogFile;
      if ($studentLoggingFlag && !is_resource($studentLogFile)) $studentLogFile = fopen("student.log","a");
   }
}


if (!function_exists('writeStudentLog')) {
   function writeStudentLog($text) {
      global $studentLoggingFlag, $studentLogFile, $school_num;
      if (!$studentLoggingFlag) return;
      if (!is_resource($studentLogFile)) return;

      $time = date("Y-m-d H:i:s",time());
      fwrite($studentLogFile,$school_num . " " . $time . " - " . trim($text) . "\n");
   }
}


if (!function_exists('logQuery')) {
   function logQuery($school_num,$table_name,$query,$module="") {
      $logFile = fopen("query.log","a");
      $time = date("Y-m-d H:i:s",time());
      $userid = '';
      if (array_key_exists('userid', $_SESSION['UserInfo'])) $userid = $_SESSION['UserInfo']['userid'];
      fprintf($logFile,"%d|%s|%s|%s|%s|%s\n",$school_num,$table_name,$time,$query,$module,$userid);
   }
}


?>