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.DiagnosticScope;
  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.languageserver.utils.Trees;
  import com.github._1c_syntax.bsl.parser.BSLParserRuleContext;
  import com.github._1c_syntax.bsl.parser.SDBLParser;
  import edu.umd.cs.findbugs.annotations.Nullable;
  import org.antlr.v4.runtime.tree.ParseTree;
  import org.antlr.v4.runtime.tree.TerminalNode;
  
  import java.util.List;
  
  @DiagnosticMetadata(
    type = DiagnosticType.ERROR,
    severity = DiagnosticSeverity.MAJOR,
    minutesToFix = 10,
    tags = {
      DiagnosticTag.STANDARD,
      DiagnosticTag.SQL,
      DiagnosticTag.UNPREDICTABLE
    },
    scope = DiagnosticScope.BSL
  )
  public class IncorrectUseLikeInQueryDiagnostic extends AbstractSDBLVisitorDiagnostic {
  
    @Override
    public ParseTree visitLikePredicate(SDBLParser.LikePredicateContext ctx) {
      checkRightStatement(ctx, ctx.LIKE(), ctx.expression());
      return super.visitLikePredicate(ctx);
    }
  
    private void checkRightStatement(BSLParserRuleContext ctx,
                                     @Nullable TerminalNode like,
                                     List<? extends SDBLParser.ExpressionContext> expressions) {
  
      if (like == null || expressions.size() <= 1) {
        return;
      }
  
      var right = expressions.get(1);
      var primitive = getPrimitiveExpression(right);
      if (primitive != null && (primitive.parameter() != null || primitive.multiString() != null)) {
        return;
      }
  
      diagnosticStorage.addDiagnostic(ctx);
    }
  
    @Nullable
    private static SDBLParser.PrimitiveExpressionContext getPrimitiveExpression(SDBLParser.ExpressionContext ctx) {
      var primitive = Trees.findAllRuleNodes(ctx, SDBLParser.RULE_primitiveExpression).stream()
        .filter(SDBLParser.PrimitiveExpressionContext.class::isInstance)
        .map(SDBLParser.PrimitiveExpressionContext.class::cast)
        .findFirst();
      return primitive.orElse(null);
    }
  }
  