import { nanoid } from "nanoid";
import { generateSecretsFile, loadSecretsFile } from "./helpers/secrets.js";
import { Alpine } from "./alpine.js";
import { execFile } from "./helpers/better-api.js";

export interface PasswdSecrets {
  rootPassword: string;
}

const loadPasswdSecretsFile = loadSecretsFile<PasswdSecrets>("passwd");
export const generatePasswdSecretsFile = generateSecretsFile(
  "passwd",
  generatePasswdSecrets
);
async function generatePasswdSecrets(): Promise<PasswdSecrets> {
  console.info(
    "La contraseña por defecto de root va a estar en secrets/passwd.json"
  );
  return {
    rootPassword: nanoid(),
  };
}

export async function writePasswd(alpine: Alpine) {
  const secrets = await loadPasswdSecretsFile();
  const proc = execFile("chroot", [alpine.dir, "passwd", "root"]);
  if (!proc.child.stdin) throw false;
  proc.child.stdin.write(secrets.rootPassword + "\n");
  proc.child.stdin.write(secrets.rootPassword + "\n");
  proc.child.stdin.end();
  await proc;
}