/**
 * Doc file warning hook (PreToolUse - Write)
 * Warns about non-standard documentation files.
 * Exit code 0 always (warns only, never blocks).
 */

let data = '';
process.stdin.on('data', c => data += c);
process.stdin.on('end', () => {
  try {
    const input = JSON.parse(data);
    const filePath = input.tool_input?.file_path || '';

    if (/\.(md|txt)$/.test(filePath) &&
        !/(README|CLAUDE|AGENTS|CONTRIBUTING|CHANGELOG|LICENSE|SKILL)\.md$/i.test(filePath) &&
        !/\.claude[\/\\]plans[\/\\]/.test(filePath) &&
        !/(^|[\/\\])(docs|skills)[\/\\]/.test(filePath)) {
      console.error('[Hook] WARNING: Non-standard documentation file detected');
      console.error('[Hook] File: ' + filePath);
      console.error('[Hook] Consider consolidating into README.md or docs/ directory');
    }
  } catch { /* ignore parse errors */ }
  console.log(data);
});