<?php
/*
 * sysPass
 *
 * @author nuxsmin
 * @link https://syspass.org
 * @copyright 2012-2021, Rubén Domínguez nuxsmin@$syspass.org
 *
 * This file is part of sysPass.
 *
 * sysPass 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.
 *
 * sysPass 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 sysPass.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace SP\Providers\Log;

use Exception;
use Monolog\Logger;
use SP\Core\Application;
use SP\Core\Events\Event;
use SP\Core\Events\EventReceiver;
use SP\Core\Exceptions\InvalidClassException;
use SP\Core\Language;
use SP\Core\LanguageInterface;
use SP\Http\Request;
use SP\Http\RequestInterface;
use SP\Providers\EventsTrait;
use SP\Providers\Provider;

/**
 * Class LoggerBase
 *
 * @package SP\Providers\Log
 */
abstract class LoggerBase extends Provider implements EventReceiver
{
    use EventsTrait;

    protected Logger   $logger;
    protected Language $language;
    protected Request  $request;
    protected ?string  $events = null;

    public function __construct(
        Application $application,
        Logger $logger,
        LanguageInterface $language,
        RequestInterface $request
    ) {
        $this->logger = $logger;
        $this->language = $language;
        $this->request = $request;

        parent::__construct($application);
    }

    /**
     */
    public function initialize(): void
    {
        $configEvents = $this->config->getConfigData()->getLogEvents();

        if (count($configEvents) === 0) {
            $this->events = $this->parseEventsToRegex(LogInterface::EVENTS_FIXED);
        } else {
            $this->events = $this->parseEventsToRegex(array_merge($configEvents, LogInterface::EVENTS_FIXED));
        }

        $this->initialized = true;
    }

    /**
     * Evento de actualización
     *
     * @param  string  $eventType  Nombre del evento
     * @param  Event  $event  Objeto del evento
     *
     * @throws InvalidClassException
     */
    public function updateEvent(string $eventType, Event $event): void
    {
        $this->language->setAppLocales();

        $userLogin = 'N/A';

        if ($this->context->isInitialized()) {
            $userLogin = $this->context->getUserData()->getLogin() ?? 'N/A';
        }

        $source = $event->getSource();

        if ($source instanceof Exception) {
            $this->logger->error(
                $eventType,
                $this->formatContext(
                    __($source->getMessage()),
                    $this->request->getClientAddress(true),
                    $userLogin
                )
            );
        } elseif (($eventMessage = $event->getEventMessage()) !== null) {
            $this->logger->debug(
                $eventType,
                $this->formatContext(
                    $eventMessage->composeText(' | '),
                    $this->request->getClientAddress(true),
                    $userLogin
                )
            );
        } else {
            $this->logger->debug(
                $eventType,
                $this->formatContext(
                    'N/A',
                    $this->request->getClientAddress(true),
                    $userLogin
                )
            );
        }

        $this->language->unsetAppLocales();
    }

    /**
     * @param  string  $message
     * @param  string  $address
     * @param  string  $user
     *
     * @return array
     */
    final protected function formatContext(
        string $message,
        string $address,
        string $user
    ): array {
        return [
            'message' => trim($message),
            'user'    => trim($user),
            'address' => trim($address),
            'caller'  => getLastCaller(4),
        ];
    }
}