import { type SkillsLockBundle } from '../integrations/config/skillsLock';
import { loadEffectiveSkillsLock } from '../integrations/config/skillsEffectiveLock';

const buildSkillsLockCompilationHint = (): string =>
  [
    'No active skills bundles found.',
    'Run the installed Pumuki skills lock tool, for example:',
    'npx --yes tsx@4.21.0 ./node_modules/pumuki/scripts/compile-skills-lock.ts',
  ].join(' ');

export const formatActiveSkillsBundles = (
  bundles: ReadonlyArray<Pick<SkillsLockBundle, 'name' | 'version' | 'hash'>>
): string => {
  if (bundles.length === 0) {
    return buildSkillsLockCompilationHint();
  }

  const lines = [...bundles]
    .sort((left, right) => {
      const byName = left.name.localeCompare(right.name);
      if (byName !== 0) {
        return byName;
      }
      return left.version.localeCompare(right.version);
    })
    .map((bundle) => `- ${bundle.name}@${bundle.version} hash=${bundle.hash}`);

  return ['Active skills bundles:', ...lines].join('\n');
};

export const loadAndFormatActiveSkillsBundles = (repoRoot: string): string => {
  const lock = loadEffectiveSkillsLock(repoRoot);
  return formatActiveSkillsBundles(lock?.bundles ?? []);
};