import { mkdir, mkdtemp } from "node:fs/promises";
import { tmpdir } from "node:os";
import path from "node:path";
import { cwd } from "node:process";
import { Alpine } from "./alpine.js";
import { execFile } from "./helpers/better-api.js";
import { sudoChownToRunningUser } from "./helpers/sudo.js";
import { setupKernel } from "./kernel.js";
import { runQemu } from "./qemu.js";
import { Runit } from "./runit/index.js";

{
  console.time("Building");

  const artifactsDir = path.join(cwd(), "artifacts/");
  const kernelDir = path.join(artifactsDir, "kernel");
  await mkdir(artifactsDir, { recursive: true });
  await mkdir(kernelDir, { recursive: true });

  const rootfsDir = await mkdtemp(path.join(tmpdir(), "define-alpine-"));
  console.debug(rootfsDir);
  const alpine = await Alpine.makeWorld({ dir: rootfsDir });
  const runit = await Runit.setup(alpine);
  const kernel = await setupKernel(alpine, kernelDir);

  const squashfs = path.join(artifactsDir, "image.squashfs");
  await execFile("sudo", [
    "mksquashfs",
    alpine.dir,
    squashfs,
    "-comp",
    "zstd",
    "-Xcompression-level",
    "3",
    "-noappend",
    "-quiet",
  ]);
  await sudoChownToRunningUser(squashfs);

  console.timeEnd("Building");

  runQemu(squashfs, kernel, { graphic: true });

  // await makeService({
  //   parentDir: rootfsDir,
  //   name: "grafana",
  //   packages: ["grafana"],
  //   setup: async (dir) => {},
  //   initScript: async (dir) => {},
  // });
  // try {
  //   await spawn("sudo", ["chroot", rootfsDir], { stdio: "inherit" });
  // } catch {}
}

// interface Service {}
// async function makeService({
//   parentDir,
//   name,
//   packages,
//   setup,
//   initScript: _initScript,
// }: {
//   parentDir: string;
//   name: string;
//   packages?: string[];
//   setup: (dir: string) => Promise<void>;
//   initScript: (dir: string) => Promise<string>;
// }) {
//   const rootsDir = path.join(parentDir, "/nulo/roots/");
//   await mkdir(rootsDir, { recursive: true });

//   const alpine = await Alpine.makeWorld({
//     dir: path.join(rootsDir, name),
//     packages,
//   });

//   await setup(alpine.dir);

//   // const initScript = await _initScript(rootfsDir);
// }