/*
    *    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.model;
  
  import static org.mybatis.generator.internal.util.JavaBeansUtil.getJavaBeansField;
  import static org.mybatis.generator.internal.util.JavaBeansUtil.getJavaBeansGetter;
  import static org.mybatis.generator.internal.util.JavaBeansUtil.getJavaBeansSetter;
  import static org.mybatis.generator.internal.util.messages.Messages.getString;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.mybatis.generator.api.CommentGenerator;
  import org.mybatis.generator.api.FullyQualifiedTable;
  import org.mybatis.generator.api.IntrospectedColumn;
  import org.mybatis.generator.api.Plugin;
  import org.mybatis.generator.api.dom.java.CompilationUnit;
  import org.mybatis.generator.api.dom.java.Field;
  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.AbstractJavaGenerator;
  import org.mybatis.generator.codegen.RootClassInfo;
  
  public class PrimaryKeyGenerator extends AbstractJavaGenerator {
  
      public PrimaryKeyGenerator(String project) {
          super(project);
      }
  
      @Override
      public List<CompilationUnit> getCompilationUnits() {
          FullyQualifiedTable table = introspectedTable.getFullyQualifiedTable();
          progressCallback.startTask(getString("Progress.7", table.toString())); //$NON-NLS-1$
          Plugin plugins = context.getPlugins();
          CommentGenerator commentGenerator = context.getCommentGenerator();
  
          TopLevelClass topLevelClass = new TopLevelClass(introspectedTable.getPrimaryKeyType());
          topLevelClass.setVisibility(JavaVisibility.PUBLIC);
          commentGenerator.addJavaFileComment(topLevelClass);
  
          String rootClass = getRootClass();
          if (rootClass != null) {
              FullyQualifiedJavaType rootType = new FullyQualifiedJavaType(rootClass);
              topLevelClass.setSuperClass(rootType);
              topLevelClass.addImportedType(rootType);
          }
  
          if (introspectedTable.isConstructorBased()) {
              addParameterizedConstructor(topLevelClass);
  
              if (!introspectedTable.isImmutable()) {
                  addDefaultConstructor(topLevelClass);
              }
          }
  
          commentGenerator.addModelClassComment(topLevelClass, introspectedTable);
  
          for (IntrospectedColumn introspectedColumn : introspectedTable.getPrimaryKeyColumns()) {
              if (RootClassInfo.getInstance(rootClass, warnings).containsProperty(introspectedColumn)) {
                  continue;
              }
  
              Field field = getJavaBeansField(introspectedColumn, context, introspectedTable);
              if (plugins.modelFieldGenerated(field, topLevelClass, introspectedColumn, introspectedTable,
                      Plugin.ModelClassType.PRIMARY_KEY)) {
                  topLevelClass.addField(field);
                  topLevelClass.addImportedType(field.getType());
              }
  
              Method method = getJavaBeansGetter(introspectedColumn, context, introspectedTable);
              if (plugins.modelGetterMethodGenerated(method, topLevelClass, introspectedColumn, introspectedTable,
                      Plugin.ModelClassType.PRIMARY_KEY)) {
                  topLevelClass.addMethod(method);
              }
  
              if (!introspectedTable.isImmutable()) {
                  method = getJavaBeansSetter(introspectedColumn, context, introspectedTable);
                  if (plugins.modelSetterMethodGenerated(method, topLevelClass, introspectedColumn, introspectedTable,
                          Plugin.ModelClassType.PRIMARY_KEY)) {
                      topLevelClass.addMethod(method);
                  }
              }
          }
 
         List<CompilationUnit> answer = new ArrayList<>();
         if (context.getPlugins().modelPrimaryKeyClassGenerated(topLevelClass, introspectedTable)) {
             answer.add(topLevelClass);
         }
 
         return answer;
     }
 
     private void addParameterizedConstructor(TopLevelClass topLevelClass) {
         Method method = new Method(topLevelClass.getType().getShortName());
         method.setVisibility(JavaVisibility.PUBLIC);
         method.setConstructor(true);
         context.getCommentGenerator().addGeneralMethodComment(method, introspectedTable);
 
         StringBuilder sb = new StringBuilder();
         for (IntrospectedColumn introspectedColumn : introspectedTable.getPrimaryKeyColumns()) {
             method.addParameter(new Parameter(introspectedColumn.getFullyQualifiedJavaType(),
                     introspectedColumn.getJavaProperty()));
             sb.setLength(0);
             sb.append("this."); //$NON-NLS-1$
             sb.append(introspectedColumn.getJavaProperty());
             sb.append(" = "); //$NON-NLS-1$
             sb.append(introspectedColumn.getJavaProperty());
             sb.append(';');
             method.addBodyLine(sb.toString());
         }
 
         topLevelClass.addMethod(method);
     }
 }