import { SmartChangelog } from 'npm:@push.rocks/smartchangelog@^0.1.0';

export const renderUpgradeChangelog = (
  changelogMarkdown: string,
  currentVersion: string,
  latestVersion: string,
): string => {
  const changelog = SmartChangelog.fromMarkdown(changelogMarkdown);
  const entries = changelog.getEntriesBetween(currentVersion, latestVersion);

  if (entries.length === 0) {
    return '';
  }

  return entries.map((entry) => entry.toCliString()).join('\n\n');
};