class SchoolNavigationPolicy {
  static bool canNavigate(Uri uri, {required bool isMainFrame}) => isMainFrame
      ? isSchoolPage(uri)
      : (uri.scheme == 'https' && uri.userInfo.isEmpty) ||
            (uri.scheme == 'about' && uri.path == 'blank');
  static bool _https(Uri uri) =>
      uri.scheme == 'https' && uri.port == 443 && uri.userInfo.isEmpty;
  static bool canInjectCredentials(Uri uri) =>
      _https(uri) &&
      uri.host == 'idas.uestc.edu.cn' &&
      uri.path == '/authserver/login';
  static bool isTimetable(Uri uri) =>
      _https(uri) &&
      uri.host == 'yjsjy.uestc.edu.cn' &&
      RegExp(
        r'^/pyxx/pygl/xskbcx/index/[1-9]\d*'
        r'$',
      ).hasMatch(uri.path);
  static bool isSchoolPage(Uri uri) =>
      _https(uri) &&
      const {'idas.uestc.edu.cn', 'yjsjy.uestc.edu.cn'}.contains(uri.host);
}