import { execSync, type ExecSyncOptions } from "child_process";
import path from "path";
import s3DownloadFile from "../utils/s3-download";

const BACKUP_DIR = `/root/backups`;
const DOCKER_DIR = "/var/lib/docker";
const R2_FILE_NAME = `${process.env.CODERANK_HOST_DOMAIN}.tar.xz`;
const R2_FOLDER = `archives/servers`;
const BACKUP_FILE_TAR = path.join(BACKUP_DIR, R2_FILE_NAME);

const execOpts: ExecSyncOptions = {
    stdio: ["inherit", "inherit", "ignore"],
};

await s3DownloadFile({
    downloadPath: BACKUP_FILE_TAR,
    downloadFileName: R2_FILE_NAME,
    folder: R2_FOLDER,
});

execSync(`tar -xf ${R2_FILE_NAME}`, {
    ...execOpts,
    cwd: BACKUP_DIR,
});

/**
 * # Sync Docker Volumes
 */
execSync(`rsync -avz ${BACKUP_DIR}/docker/ ${DOCKER_DIR}/`, {
    ...execOpts,
});