import grabDBDir from "../utils/grab-db-dir";
import fs from "fs";
import _ from "lodash";
export default function grabSortedBackups({ config }) {
    const { backup_dir } = grabDBDir({ config });
    if (!fs.existsSync(backup_dir))
        return [];
    /**
     * Only files named by `grabDBBackupFileName` for this database. Anything
     * else in the directory is never listed (or trimmed).
     */
    const backup_name_regex = new RegExp(`^${_.escapeRegExp(config.db_name)}-\\d+$`);
    const backups = fs
        .readdirSync(backup_dir)
        .filter((b) => backup_name_regex.test(b));
    /**
     * Order Backups. Most recent first.
     */
    const ordered_backups = backups.sort((a, b) => {
        const a_date = Number(a.split("-").pop());
        const b_date = Number(b.split("-").pop());
        return b_date - a_date;
    });
    return ordered_backups;
}