import { readFile } from "node:fs/promises";
import { join, resolve } from "node:path";
import { pathToFileURL } from "node:url";

import { atomicWrite, networkSpec, readManifest } from "./finalize-manifest.mjs";

export async function selectManifest({ root = process.cwd(), network }) {
  const spec = networkSpec(network);
  const source = join(root, "deployments", spec.canonical);
  await readManifest(source);
  const contents = await readFile(source);
  const active = join(root, "deployments", "active.json");
  await atomicWrite(active, contents);
  return { source, active };
}

async function main(argv) {
  if (argv.length !== 1) throw new Error("usage: select-manifest.mjs <anvil|base-sepolia>");
  return selectManifest({ network: argv[0] });
}

if (process.argv[1] && pathToFileURL(resolve(process.argv[1])).href === import.meta.url) {
  main(process.argv.slice(2)).catch((error) => {
    console.error(error.message);
    process.exitCode = 1;
  });
}