import { readFile, writeFile } from "fs/promises";
import { execSync } from "child_process";

let ver = process.argv[2];
if (!ver) {
  console.error(`tag required: bun bun/prepare.js v1.0.0`);
  process.exit(1);
} else if (!/v\d+\.\d+\.\d+/.test(ver)) {
  console.error(`invalid tag: ${ver}`);
  process.exit(1);
}

ver = (/\d+\.\d+\.\d+/.exec(ver) || [])[0] || "";

const pkg = await readFile("./package.json", "utf8");
const pkgnew = pkg.replace(/"version": ".+"/, `"version": "v${ver}"`);
await writeFile("./package.json", pkgnew);

const spago = await readFile("./spago.yaml", "utf8");
const spagonew = spago.replace(/version: .+/, `version: '${ver}'`);
await writeFile("./spago.yaml", spagonew);

const readme = await readFile("./README.md", "utf8");
const readmenew = readme.replace(
  /packages\/purescript-csv-stream\/.+?\//g,
  `/packages/purescript-csv-stream/${ver}/`,
);
await writeFile("./README.md", readmenew);

execSync(`git add spago.yaml package.json README.md`);
execSync(`git commit -m 'chore: prepare v${ver}'`);
execSync(`git tag v${ver}`);
execSync(`git push --tags`);
execSync(`git push --mirror github-mirror`);