<?php

/*
 * This file is part of the Maestro Project.
 * Copyright (C) Compos Juliot
 */

namespace App\Application\MessageHandler;

use App\Application\Adapter\Query\Page\PageAutoGenerationQueryInterface;
use App\Application\Adapter\Query\Page\PageQueryInterface;
use App\Application\Exception\SubException\InternalServerErrorMaestroException;
use Symfony\Component\Messenger\Handler\MessageHandlerInterface;
use Symfony\Component\Messenger\Exception\UnrecoverableMessageHandlingException;
use App\Application\Message\AutoGenerationMessage;
use Exception;
use App\Application\Services\Log\LogService;

class AutoGenerationHandler implements MessageHandlerInterface
{
    /**
     * @var LogService
     */
    private LogService $logService;

    /**
     * @var PageAutoGenerationQueryInterface
     */
    private PageAutoGenerationQueryInterface $pageAutoGenerationQuery;

    /**
     * @var PageQueryInterface
     */
    private PageQueryInterface $pageQuery;

    public function __construct(
        LogService $logService,
        PageAutoGenerationQueryInterface $pageAutoGenerationQuery,
        PageQueryInterface $pageQuery
    ) {
        $this->logService = $logService;
        $this->pageAutoGenerationQuery = $pageAutoGenerationQuery;
        $this->pageQuery = $pageQuery;
    }

    /**
     * @throws InternalServerErrorMaestroException
     */
    public function __invoke(AutoGenerationMessage $message)
    {
        $logFile = "auto-generation.log";
        $this->logService->setLog('AutoGenerationHandler : Entry-point', $logFile);

        try {
            $this->pageAutoGenerationQuery->addPageToGenerate($message->getPages());

            $this->logService->setLog(count($message->getPages()) . ' pages stored in DB', $logFile);

            $content = $this->pageQuery->generatePages($message->getPageOptionsId(), $message->getPageDuplicatesId(), $message->getToken());

            $succPos1 = stripos($content, "SUCCESS=") + 8;
            $succPos2 = stripos($content, "=SUCCESS");
            $succ = substr($content, $succPos1, $succPos2 - $succPos1);

            $this->logService->setLog($succ, $logFile);
        } catch (Exception $e) {
            $error = "Error, can't execute auto generation : " . $e->getMessage();
            $this->logService->setLog($error, $logFile);

            throw new UnrecoverableMessageHandlingException($error);
        }
    }
}