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.diagnostics;
  
  import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticMetadata;
  import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticSeverity;
  import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticTag;
  import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticType;
  import com.github._1c_syntax.bsl.parser.BSLParser;
  import com.github._1c_syntax.bsl.types.ModuleType;
  import com.github._1c_syntax.utils.CaseInsensitivePattern;
  import org.antlr.v4.runtime.tree.ParseTree;
  
  import java.util.List;
  import java.util.regex.Pattern;
  
  @DiagnosticMetadata(
    type = DiagnosticType.CODE_SMELL,
    severity = DiagnosticSeverity.MINOR,
    minutesToFix = 1,
    modules = {
      ModuleType.FormModule,
      ModuleType.ObjectModule,
      ModuleType.RecordSetModule,
      ModuleType.CommonModule
    },
    tags = {
      DiagnosticTag.STANDARD,
      DiagnosticTag.DEPRECATED
    }
  )
  public class ExcessiveAutoTestCheckDiagnostic extends AbstractVisitorDiagnostic {
  
    private static final Pattern ERROR_EXPRESSION = CaseInsensitivePattern.compile(
      "(\\.Свойство\\(\"АвтоТест\"\\)|=\"АвтоТест\"|\\.Property\\(\"AutoTest\"\\)|=\"AutoTest\")$"
    );
  
    @Override
    public ParseTree visitIfBranch(BSLParser.IfBranchContext ctx) {
  
      if (expressionMatchesPattern(ctx.expression()) && codeBlockWithOnlyReturn(ctx.codeBlock())) {
        diagnosticStorage.addDiagnostic(ctx.getParent());
        return ctx;
      }
  
      return super.visitIfBranch(ctx);
    }
  
    private static boolean expressionMatchesPattern(BSLParser.ExpressionContext expression) {
      return ERROR_EXPRESSION.matcher(expression.getText()).find();
    }
  
    private static boolean codeBlockWithOnlyReturn(BSLParser.CodeBlockContext codeBlock) {
      List<? extends BSLParser.StatementContext> statements = codeBlock.statement();
  
      if (statements.size() == 1) {
        BSLParser.CompoundStatementContext compoundStatement = statements.get(0).compoundStatement();
  
        if (compoundStatement != null) {
          return compoundStatement.returnStatement() != null;
        }
      }
  
      return false;
    }
  }
  