content: /*
   * This file is a part of BSL Language Server.
   *
   * Copyright (c) 2018-2025
   * Alexey Sosnoviy <labotamy@gmail.com>, Nikita Fedkin <nixel2007@gmail.com> and contributors
   *
   * SPDX-License-Identifier: LGPL-3.0-or-later
   *
   * BSL Language Server is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 3.0 of the License, or (at your option) any later version.
   *
   * BSL Language Server is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with BSL Language Server.
   */
  package com.github._1c_syntax.bsl.languageserver.utils;
  
  import com.github._1c_syntax.bsl.parser.BSLParser;
  import com.github._1c_syntax.utils.CaseInsensitivePattern;
  import lombok.experimental.UtilityClass;
  
  import java.util.Collection;
  import java.util.List;
  import java.util.Optional;
  import java.util.function.Predicate;
  import java.util.regex.Pattern;
  
  @UtilityClass
  public class NotifyDescription {
  
    private static final Pattern NOTIFY_DESCRIPTION = CaseInsensitivePattern.compile(
      "^(ОписаниеОповещения|NotifyDescription)$");
  
    private static final int MIN_PARAM_LIST_SIZE = 1;
    private static final int FULL_PARAM_LIST_SIZE = 5;
  
    public static final int HANDLER_INDEX = 0;
    public static final int HANDLER_MODULE_INDEX = 1;
    public static final int HANDLER_ERROR_INDEX = 3;
    public static final int HANDLER_ERROR_MODULE_INDEX = 4;
  
    public static boolean isNotifyDescription(BSLParser.NewExpressionContext newExpression) {
      var result = Optional.of(newExpression)
        .map(BSLParser.NewExpressionContext::typeName)
        .map(BSLParser.TypeNameContext::getText)
        .filter(t -> NOTIFY_DESCRIPTION.matcher(t).find());
      return result.isPresent();
    }
  
    public static boolean notifyDescriptionContainsHandler(Collection<?> callParamList) {
      return callParamList.size() > MIN_PARAM_LIST_SIZE;
    }
  
    public static boolean notifyDescriptionContainsErrorHandler(Collection<?> callParamList) {
      return callParamList.size() == FULL_PARAM_LIST_SIZE;
    }
  
    public static Optional<BSLParser.MemberContext> getFirstMember(BSLParser.CallParamContext callParamContext) {
      return Optional.ofNullable(callParamContext.expression())
        .map(BSLParser.ExpressionContext::member)
        .filter(Predicate.not(List::isEmpty))
        .map(member -> member.get(0));
    }
  
  }
  