<?php
require_once(ROOT."include/db.inc.php");
require_once(ROOT."include/template.inc.php");

/** logs an error or warning
 * @param severity severity: 1 (low) ... 5 (high)
 * @param message  error message
 * @param file     filename where the exception was thrown
 * @param line     line of code where the exception was thrown
 */
function logError($severity=1, $message="", $file="", $line=1, $code=500){

        if (!isBot()) {
            //save log to database
            $query = sprintf("INSERT INTO bruckm_log (`date`, severity, message, file, line)
                                                                                    VALUES (NOW(), %d, '%s', '%s', %d)",
                                                                                    $severity,
                                                                                    addslashes($message),
                                                                                    addslashes($file),
                                                                                    $line);
            dbQuery($query, false);

            //notify the admin
            if($severity >= 3){
                    $mail = "Severity: $severity\n" . 
                                                    "Message:  $message\n".
                                                    "Code:     $file/$line\n".
                                                    "Log ID:   ".mysql_insert_id() ."\n".
                                                    "SERVER: ".print_r($_SERVER, true)."\n".
                                                    "REQUEST: ".print_r($_REQUEST, true)."\n".
                                                    "SESSION: ".print_r($_SESSION, true)."\n";
                    @mail(ADMIN, "flexicon Error", $mail, "From: error@flexicon.com");
            }
        }
	
	//stop execution if it is a really bad error
	if($severity >= 5){
		defaultErrorPage("", $code);
	}
}

/** shows a default error page
 * @param message error message
 */
function defaultErrorPage($message="", $code=500){
	header('X-PHP-Response-Code: ' . $code, true, $code);
        $t = new Template(TEMPLATE_DIR."errorpage.html");
	$t->setVar("MESSAGE", $message);
        die($t->toString());
}

/** check if the request came from a bot
 * @return boolean true if it is a bot
 */
function isBot() {
    if (isset($_SERVER['HTTP_USER_AGENT'])) {
        return strpos($_SERVER['HTTP_USER_AGENT'], 'bingbot') !== false;
    }
    
    return false;
}

?>