import { readFileSync, writeFileSync } from 'node:fs';
import { join } from 'node:path';

const root = process.cwd();
const packageJsonPath = join(
  root,
  'packages',
  'docsearch-react',
  'package.json'
);
const versionFilePath = join(
  root,
  'packages',
  'docsearch-react',
  'src',
  'version.ts'
);

const packageJson = JSON.parse(readFileSync(packageJsonPath, 'utf8'));
const packageVersion = packageJson.version;

if (typeof packageVersion !== 'string') {
  throw new Error('Unable to determine @docsearch/react version.');
}

const nextContent = `export const version = '${packageVersion}';\n`;
const currentContent = readFileSync(versionFilePath, 'utf8');

if (currentContent === nextContent) {
  // eslint-disable-next-line no-console
  console.info('DocSearch version file already up to date.');
} else {
  writeFileSync(versionFilePath, nextContent, 'utf8');
  // eslint-disable-next-line no-console
  console.info(`Updated docsearch-react version to ${packageVersion}.`);
}