<?php
session_start();
require '../../../assets/utils/db_auth.php';
require_role($user_role, ['owner', 'admin']);
require_once '../../../assets/utils/classes_ac/EtlManager.php';

$etl    = new EtlManager($pdo2, $pdo1, $company_id);
$action = $data['action'] ?? '';

try {
    if ($action === 'read') {
        $answer['output']  = $etl->getStatus();
        $answer['success'] = 1;
        exit(json_encode($answer));
    }

    if ($action === 'get_periods') {
        $sth = $pdo2->prepare(
            "SELECT DISTINCT period FROM td_gl WHERE company_id = :cid ORDER BY period"
        );
        $sth->execute([':cid' => $company_id]);
        $answer['output']  = $sth->fetchAll(PDO::FETCH_COLUMN);
        $answer['success'] = 1;
        exit(json_encode($answer));
    }

    if ($action === 'rebuild_period') {
        $period = $data['period'] ?? '';
        if (!preg_match('/^\d{4}-\d{2}$/', $period)) {
            $answer['message'] = 'Invalid period.';
            exit(json_encode($answer));
        }
        $etl->rebuildPeriod($period);
        $answer['success'] = 1;
        exit(json_encode($answer));
    }

    $answer['message'] = 'Invalid action.';
} catch (Exception $e) {
    $answer['message'] = $e->getMessage();
    http_response_code(400);
}

exit(json_encode($answer));