<?php
include __DIR__ . '/vendor/autoload.php';

use Monolog\Logger;
use Monolog\Handler\StreamHandler;

define('APP_DIR', __DIR__);
define('DEALS_DIR', sprintf('%s/deals', APP_DIR));
define('LOGS_DIR', sprintf('%s/logs', APP_DIR));
define('NEW_DEALS_DIR', sprintf('%s/deals/new', APP_DIR));
define('EXISTING_DEALS_DIR', sprintf('%s/deals/list', APP_DIR));
define('BACKUP_DEALS_DIR', sprintf('%s/deals/backup', APP_DIR));
define('LOG_MAIL_TO', '');
define('LOG_MAIL_SUBJECT', '[LBCReposter] erreur cron');
define('LOG_MAIL_FROM', '');

$log = new Logger('lbcreposter');
$log->pushHandler(new StreamHandler(LOGS_DIR.'/cron.log', Logger::WARNING));
$log->pushHandler(new \Monolog\Handler\NativeMailerHandler(LOG_MAIL_TO, LOG_MAIL_SUBJECT, LOG_MAIL_FROM));

$existing_deals = [];
foreach (new DirectoryIterator(EXISTING_DEALS_DIR) as $existing_deal) {
    if ($existing_deal->isDir() && !$existing_deal->isDot()) {
        $existing_deals[$existing_deal->getFilename()] = \Shikiryu\LBCReposter\Deal::fromJSON($existing_deal->getRealPath() . '/data.json');
    }
}

function copy_folder($from, $to)
{
    $directory = new RecursiveDirectoryIterator($from);

    foreach (new RecursiveIteratorIterator($directory) as $filename => $current) {

        $source         = $current->getPathName();
        $destination    = $to . '/' . $current->getFileName();

        copy($source, $destination);
    }
}

function delete_folder($folder) {
    $files = array_diff(scandir($folder), ['.','..']);
    foreach ($files as $file) {
        (is_dir(sprintf('%s/%s', $folder, $file))) ? delete_folder(sprintf('%s/%s', $folder, $file)) : unlink(sprintf('%s/%s', $folder, $file));
    }
    return rmdir($folder);
}

$log->info(sprintf('%u annonces locales, normalement en ligne.', count($existing_deals)));
$script_params = parse_ini_file(sprintf('%s/lbcreposter.ini', DEALS_DIR), true);
$config = new \Shikiryu\LBCReposter\Config($script_params);
$account = new \Shikiryu\LBCReposter\Account($config);
$actions = new \Shikiryu\LBCReposter\Actions($account);
$actions->setDebug(LOGS_DIR);
$deals_to_backup = $existing_deals;

if ($actions->connect()) {
    // existing deals
    $deals = $actions->retrieve();

    // Synchro
    /** @var \Shikiryu\LBCReposter\Deal $deal */
    foreach ($deals as $i => $deal) {
        // l'annonce existe déjà
        if (in_array($deal->getId(), array_keys($existing_deals))) {
            $log->info(sprintf('L\'annonce %s existe déjà, ', $deal->getId()));
            // si elle est vieille, on supprime et on recréé
            if ($existing_deals[$deal->getId()]->getDateCreation()->add(new DateInterval('P1W')) <= (new DateTime())) {
                // Suppression
                $log->error(sprintf('elle est vieille (%s), on la supprime.', $existing_deals[$deal->getId()]->getDateCreation()->format('d/m/Y H:i')));
//                $actions->delete($deal);
                // Backup
                if (!file_exists(BACKUP_DEALS_DIR.'/'.$deal->getId())) {
                    mkdir(BACKUP_DEALS_DIR . '/' . $deal->getId());
                    copy_folder(EXISTING_DEALS_DIR . '/' . $deal->getId(), BACKUP_DEALS_DIR . '/' . $deal->getId());
                }
                // Placement en "à créer"
                rename(EXISTING_DEALS_DIR.'/'.$deal->getId(), NEW_DEALS_DIR.'/'.$deal->getId());
            } else {
                // sinon on la laisse
                $log->info('et tout va bien.');
            }
            unset($deals_to_backup[$deal->getId()]);
        } else {
            $log->error(sprintf('L\'annonce %s n\'existait pas et est sauvegardée.', $deal->getSubject()));
            // Une annonce non sauvegardée ? on la sauve
            $deal->save(EXISTING_DEALS_DIR);
        }
    }

    // Backup
    foreach ($deals_to_backup as $deal_to_backup) {
        if (!file_exists(BACKUP_DEALS_DIR.'/'.$deal_to_backup->getId())) {
            rename(EXISTING_DEALS_DIR . '/' . $deal_to_backup->getId(), BACKUP_DEALS_DIR . '/' . $deal_to_backup->getId());
        } else {
            delete_folder(EXISTING_DEALS_DIR . '/' . $deal_to_backup->getId());
        }
    }

    // Creation
    foreach (new DirectoryIterator(NEW_DEALS_DIR) as $new_deal) {
        if ($new_deal->isDir() && !$new_deal->isDot()) {
            $deal_to_create = \Shikiryu\LBCReposter\Deal::fromJSON($new_deal->getRealPath() . '/data.json');
            /*if ($actions->create($deal_to_create)) {
                delete_folder($new_deal->getRealPath());
                $log->info(sprintf('L\'annonce %s a bien été créée.', $deal_to_create->getSubject()));
                break;
            } else {
                $log->error(sprintf('L\'annonce %s n\'a pas bien été créée. %s', $deal_to_create->getSubject()));
            }*/
            sleep(30);
        }
    }
} else {
    $log->error('not connected');
}

$log->info('CRON terminé !');