<?php
// Import framework stuff
use CoreFramework\Object\BaseFrameworkSystem;

/**
 * An include file for setting up the exception handler of test suite
 *
 * @author		Roland Haeder <webmaster@shipsimu.org>
 * @version		0.0
 * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
 * @license		GNU GPL 3.0 or any newer version
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

// The node's own exception handler
function tests_exception_handler ($exceptionInstance) {
	// Is it an object and a valid instance?
	if ((is_object($exceptionInstance)) && ($exceptionInstance instanceof FrameworkException)) {
		// Init variable
		$backTrace = '';

		// Get all call levels from backtrace
		foreach ($exceptionInstance->getTrace() as $idx => $traceArray) {
			// Init argument string
			$argsString = '';

			// Convert arguments type into human-readable
			foreach ($traceArray['args'] as $arg) {
				$argsString .= ', ' . gettype($arg);
			} // END - foreach
			$argsString = substr($argsString, 2);

			// Set missing file/line
			if (!isset($traceArray['file']))  $traceArray['file']  = 'unknown';
			if (!isset($traceArray['line']))  $traceArray['line']  = '0';
			if (!isset($traceArray['class'])) $traceArray['class'] = 'UnknownObject';
			if (!isset($traceArray['type']))  $traceArray['type']  = '->';

			$backTrace .= sprintf("---------- Pos %d: ----------
Method : %s%s%s(%s)
----- Caller: -----
File   : %s
Line   : %d\n",
				($idx + 1),
				$traceArray['class'],
				$traceArray['type'],
				$traceArray['function'],
				$argsString,
				basename($traceArray['file']),
				$traceArray['line']
			);
		} // END - foreach

		// Construct the message
		$message = sprintf("--------------------------------------------------------------------------------
Uncaught Exception : %s
--------------------------------------------------------------------------------
Message            : %s
Code               : %s
File               : %s
Line               : %d
--------------------------------------------------------------------------------
Backtrace:
--------------------------------------------------------------------------------
%s
--------------------------------------------------------------------------------\n",
			trim(html_entity_decode(strip_tags($exceptionInstance->__toString()))),
			trim(html_entity_decode(strip_tags($exceptionInstance->getMessage()))),
			$exceptionInstance->getHexCode(),
			$exceptionInstance->getFile(),
			$exceptionInstance->getLine(),
			trim($backTrace)
		);

		// Output the message
		print($message);
	} else {
		// Invalid exception instance detected! Do *only* throw exceptions that
		// extends our own exception 'FrameworkException' to get such nice
		// outputs like above.
		print('exceptionInstance[]=' . gettype($exceptionInstance) . ' is invalid! Please inform the core developer team.' . PHP_EOL);
	}
}

// Error handler
function __errorHandler ($errno, $errstr, $errfile, $errline, array $errcontext) {
	// Construct the message
	$message = sprintf('File: %s, Line: %s, Code: %s, Message: %s',
		basename($errfile),
		$errline,
		$errno,
		$errstr
	);

	// Throw an exception here
	throw new FatalErrorException($message, BaseFrameworkSystem::EXCEPTION_FATAL_ERROR);
} // END - function

// Assertion handler
function __assertHandler ($file, $line, $code) {
	// Empty code?
	if ($code === '') {
		$code = '<em>Unknown</em>';
	} // END - if

	// Create message
	$message = sprintf('File: %s, Line: %s, Code: %s',
		basename($file),
		$line,
		$code
	);

	// Log assert
	syslog(LOG_WARNING, $message);

	// Throw an exception here
	throw new AssertionException($message, BaseFrameworkSystem::EXCEPTION_ASSERTION_FAILED);
} // END - function

// Set error handler
//set_error_handler('__errorHandler');

// Set the new handler
set_exception_handler('tests_exception_handler');

// Init assert handling
assert_options(ASSERT_ACTIVE    , TRUE);
assert_options(ASSERT_WARNING   , FALSE);
assert_options(ASSERT_BAIL      , TRUE);
assert_options(ASSERT_QUIET_EVAL, FALSE);
assert_options(ASSERT_CALLBACK  , '__assertHandler');