<?php

// Run configuration

define('LOG_WRITE_CURRENT_FILE', 'ManiaControl.log'); // Write current log to extra file in base dir
define('LOG_NAME_USE_DATE', true); // Use current date as suffix for log file name in logs folder
define('LOG_NAME_USE_PID', true); // Use current process id as suffix for log file name in logs folder

// Define base dir
define('ManiaControlDir', __DIR__);

// Set process settings
ini_set('memory_limit', '64M');
if (function_exists('date_default_timezone_get') && function_exists('date_default_timezone_set')) {
	date_default_timezone_set(@date_default_timezone_get());
}

// Build log file name
$logFileName = ManiaControlDir . '/logs/';
if (!is_dir($logFileName)) {
	mkdir($logFileName);
}
$logFileName .= '/ManiaControl';
if (LOG_NAME_USE_DATE) {
	$logFileName .= '_' . date('Y-m-d');
}
if (LOG_NAME_USE_PID) {
	$logFileName .= '_' . getmypid();
}
$logFileName .= '.log';
define('LOG_FILE', $logFileName);

// Delete old current log file
if (LOG_WRITE_CURRENT_FILE) {
	$currentLogFileName = ManiaControlDir . '/' . LOG_WRITE_CURRENT_FILE;
	if (file_exists($currentLogFileName) && is_writable($currentLogFileName)) {
		unlink($currentLogFileName);
	}
	define('LOG_CURRENT_FILE', $currentLogFileName);
}

/**
 * Log and echo the given text
 *
 * @param string $message
 */
function logMessage($message) {
	$message .= PHP_EOL;
	if (defined('LOG_CURRENT_FILE')) {
		file_put_contents(LOG_CURRENT_FILE, $message, FILE_APPEND);
	}
	file_put_contents(LOG_FILE, $message, FILE_APPEND);
	echo $message;
}

/**
 * Get the prefix for the given error level
 *
 * @param int $errorLevel
 * @return string
 */
function getErrorTag($errorLevel) {
	if ($errorLevel == E_NOTICE) {
		return '[PHP NOTICE]';
	}
	if ($errorLevel == E_WARNING) {
		return '[PHP WARNING]';
	}
	if ($errorLevel == E_ERROR) {
		return '[PHP ERROR]';
	}
	if ($errorLevel == E_USER_NOTICE) {
		return '[ManiaControl NOTICE]';
	}
	if ($errorLevel == E_USER_WARNING) {
		return '[ManiaControl WARNING]';
	}
	if ($errorLevel == E_USER_ERROR) {
		return '[ManiaControl ERROR]';
	}
	return "[PHP {$errorLevel}]";
}

// Register error handler
set_error_handler('errorHandler', -1);
set_exception_handler('exceptionHandler');

/**
 * Error Handler
 *
 * @param $errorNumber
 * @param $errorString
 * @param $errorFile
 * @param $errorLine
 * @return bool
 */
function errorHandler($errorNumber, $errorString, $errorFile, $errorLine) {
	if (error_reporting() == 0) {
		// Error suppressed
		return false;
	}
	// Log error
	$errorTag = getErrorTag($errorNumber);
	$message  = "{$errorTag}: {$errorString} in File '{$errorFile}' on Line {$errorLine}!";
	logMessage($message);
	if ($errorNumber == E_ERROR || $errorNumber == E_USER_ERROR) {
		logMessage('Stopping execution...');
		exit();
	}
	return false;
}

/**
 * Exception Handler
 *
 * @param Exception $ex
 */
function exceptionHandler(Exception $ex) {
	$message = "[ManiaControl EXCEPTION]: {$ex->getMessage()} Trace: {$ex->getTraceAsString()}!";
	logMessage($message);
}

// Autoload Function that loads ManiaControl Class Files on Demand
spl_autoload_register(function ($className) {
	$classPath = str_replace('\\', DIRECTORY_SEPARATOR, $className);
	$classPath = preg_replace('/ManiaControl/', 'core', $classPath, 1);
	$filePath  = ManiaControlDir . DIRECTORY_SEPARATOR . $classPath . '.php';
	if (file_exists($filePath)) {
		require_once $filePath;
	}
});

// Start ManiaControl
$maniaControl = new \ManiaControl\ManiaControl();
$maniaControl->run();