'use strict';
/**
 * 统一 Claude 根目录检测 (P3-4)
 * 所有 hooks 共享此模块，消除 13+ 处重复定义
 */
const path = require('path');
const fs = require('fs');

let _cached = null;
function detectClaudeRoot() {
  if (_cached) return _cached;
  // 优先级: 环境变量 > 自身路径推断 > paths.config > 默认回退
  if (process.env.CLAUDE_HOME) { _cached = process.env.CLAUDE_HOME; return _cached; }
  const selfDir = path.dirname(__filename);
  if (selfDir.includes('.claude')) {
    _cached = selfDir.replace(/[\/\\]hooks[\/\\]lib$/, '');
    return _cached;
  }
  try { _cached = require('../../scripts/paths.config.js').PATHS.root; return _cached; }
  catch {
    _cached = path.join(process.env.USERPROFILE || process.env.HOME || '', '.claude');
    return _cached;
  }
}

module.exports = detectClaudeRoot();