import * as fs from 'fs';
import * as path from 'path';

/**
 * 判断当前目录是否为 Koatty 项目根目录（与旧 koatty_cli 兼容）
 */
export function isKoattyApp(dir: string = process.cwd()): boolean {
  const koattysrc = path.join(dir, '.koattysrc');
  if (fs.existsSync(koattysrc)) {
    return true;
  }
  const pkgPath = path.join(dir, 'package.json');
  if (fs.existsSync(pkgPath)) {
    try {
      const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf-8'));
      const deps = { ...pkg.dependencies, ...pkg.devDependencies };
      if (deps && typeof deps === 'object') {
        if (Object.keys(deps).some((k) => k === 'koatty' || k.startsWith('koatty_'))) {
          return true;
        }
      }
    } catch {
      // ignore
    }
  }
  return false;
}

/**
 * 获取项目 src 目录路径（与旧 koatty_cli 一致）
 */
export function getAppPath(dir: string = process.cwd()): string {
  return path.normalize(path.join(dir, 'src'));
}