/*
    *    Copyright 2006-2023 the original author or authors.
    *
    *    Licensed under the Apache License, Version 2.0 (the "License");
    *    you may not use this file except in compliance with the License.
    *    You may obtain a copy of the License at
    *
    *       https://www.apache.org/licenses/LICENSE-2.0
    *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   */
  package org.mybatis.generator.codegen.mybatis3.javamapper.elements.sqlprovider;
  
  import static org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities.getAliasedEscapedColumnName;
  import static org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities.getParameterClause;
  import static org.mybatis.generator.internal.util.StringUtility.escapeStringForJava;
  
  import java.util.List;
  import java.util.Set;
  
  import org.mybatis.generator.api.IntrospectedColumn;
  import org.mybatis.generator.api.dom.java.FullyQualifiedJavaType;
  import org.mybatis.generator.api.dom.java.JavaVisibility;
  import org.mybatis.generator.api.dom.java.Method;
  import org.mybatis.generator.api.dom.java.Parameter;
  import org.mybatis.generator.api.dom.java.TopLevelClass;
  import org.mybatis.generator.codegen.mybatis3.ListUtilities;
  
  public class ProviderUpdateByExampleWithoutBLOBsMethodGenerator extends AbstractJavaProviderMethodGenerator {
  
      @Override
      public void addClassElements(TopLevelClass topLevelClass) {
          Method method = new Method(getMethodName());
          method.setReturnType(FullyQualifiedJavaType.getStringInstance());
          method.setVisibility(JavaVisibility.PUBLIC);
          method.addParameter(new Parameter(
                  new FullyQualifiedJavaType("java.util.Map<java.lang.String, java.lang.Object>"), //$NON-NLS-1$
                  "parameter")); //$NON-NLS-1$
  
          context.getCommentGenerator().addGeneralMethodComment(method, introspectedTable);
  
          method.addBodyLine("SQL sql = new SQL();"); //$NON-NLS-1$
  
          method.addBodyLine(String.format("sql.UPDATE(\"%s\");", //$NON-NLS-1$
                  escapeStringForJava(introspectedTable.getAliasedFullyQualifiedTableNameAtRuntime())));
          method.addBodyLine(""); //$NON-NLS-1$
  
          for (IntrospectedColumn introspectedColumn : ListUtilities.removeGeneratedAlwaysColumns(getColumns())) {
              StringBuilder sb = new StringBuilder();
              sb.append(getParameterClause(introspectedColumn));
              sb.insert(2, "row."); //$NON-NLS-1$
  
              method.addBodyLine(String.format("sql.SET(\"%s = %s\");", //$NON-NLS-1$
                      escapeStringForJava(getAliasedEscapedColumnName(introspectedColumn)), sb));
          }
  
          method.addBodyLine(""); //$NON-NLS-1$
  
          Set<FullyQualifiedJavaType> importedTypes = initializeImportedTypes("java.util.Map"); //$NON-NLS-1$
          FullyQualifiedJavaType example = new FullyQualifiedJavaType(introspectedTable.getExampleType());
          importedTypes.add(example);
          method.addBodyLine(String.format("%s example = (%s) parameter.get(\"example\");", //$NON-NLS-1$
                  example.getShortName(), example.getShortName()));
  
          method.addBodyLine("applyWhere(sql, example, true);"); //$NON-NLS-1$
          method.addBodyLine("return sql.toString();"); //$NON-NLS-1$
  
          if (callPlugins(method, topLevelClass)) {
              topLevelClass.addImportedTypes(importedTypes);
              topLevelClass.addMethod(method);
          }
      }
  
      public String getMethodName() {
          return introspectedTable.getUpdateByExampleStatementId();
      }
  
      public List<IntrospectedColumn> getColumns() {
          return introspectedTable.getNonBLOBColumns();
      }
  
      public boolean callPlugins(Method method, TopLevelClass topLevelClass) {
          return context.getPlugins()
                  .providerUpdateByExampleWithoutBLOBsMethodGenerated(method, topLevelClass, introspectedTable);
      }
  }