/*
    *    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.runtime.dynamic.sql;
  
  import static org.mybatis.generator.internal.util.JavaBeansUtil.getJavaBeansFieldWithGeneratedAnnotation;
  import static org.mybatis.generator.internal.util.JavaBeansUtil.getJavaBeansGetterWithGeneratedAnnotation;
  import static org.mybatis.generator.internal.util.JavaBeansUtil.getJavaBeansSetterWithGeneratedAnnotation;
  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;
  
  /**
   * This model generator builds a flat model with default constructor and getters/setters.
   * It does not support the immutable model, or constructor based attributes.
   *
   * @author Jeff Butler
   */
  public class DynamicSqlModelGenerator extends AbstractJavaGenerator {
  
      public DynamicSqlModelGenerator(String project) {
          super(project);
      }
  
      @Override
      public List<CompilationUnit> getCompilationUnits() {
          FullyQualifiedTable table = introspectedTable.getFullyQualifiedTable();
          progressCallback.startTask(getString("Progress.8", table.toString())); //$NON-NLS-1$
          Plugin plugins = context.getPlugins();
          CommentGenerator commentGenerator = context.getCommentGenerator();
  
          FullyQualifiedJavaType type = new FullyQualifiedJavaType(
                  introspectedTable.getBaseRecordType());
          TopLevelClass topLevelClass = new TopLevelClass(type);
          topLevelClass.setVisibility(JavaVisibility.PUBLIC);
          commentGenerator.addJavaFileComment(topLevelClass);
  
          FullyQualifiedJavaType superClass = getSuperClass();
          if (superClass != null) {
              topLevelClass.setSuperClass(superClass);
              topLevelClass.addImportedType(superClass);
          }
  
          commentGenerator.addModelClassComment(topLevelClass, introspectedTable);
  
          List<IntrospectedColumn> introspectedColumns = introspectedTable.getAllColumns();
  
          if (introspectedTable.isConstructorBased()) {
              addParameterizedConstructor(topLevelClass);
  
              if (!introspectedTable.isImmutable()) {
                  addDefaultConstructorWithGeneratedAnnotatoin(topLevelClass);
              }
          }
  
          String rootClass = getRootClass();
          for (IntrospectedColumn introspectedColumn : introspectedColumns) {
              if (RootClassInfo.getInstance(rootClass, warnings)
                      .containsProperty(introspectedColumn)) {
                  continue;
              }
  
              Field field = getJavaBeansFieldWithGeneratedAnnotation(introspectedColumn, context, introspectedTable,
                      topLevelClass);
  
              if (plugins.modelFieldGenerated(field, topLevelClass,
                      introspectedColumn, introspectedTable,
                      Plugin.ModelClassType.BASE_RECORD)) {
                  topLevelClass.addField(field);
                  topLevelClass.addImportedType(field.getType());
              }
  
             Method method = getJavaBeansGetterWithGeneratedAnnotation(introspectedColumn, context, introspectedTable,
                     topLevelClass);
             if (plugins.modelGetterMethodGenerated(method, topLevelClass,
                     introspectedColumn, introspectedTable,
                     Plugin.ModelClassType.BASE_RECORD)) {
                 topLevelClass.addMethod(method);
             }
 
             if (!introspectedTable.isImmutable()) {
                 method = getJavaBeansSetterWithGeneratedAnnotation(introspectedColumn, context, introspectedTable,
                         topLevelClass);
                 if (plugins.modelSetterMethodGenerated(method, topLevelClass,
                         introspectedColumn, introspectedTable,
                         Plugin.ModelClassType.BASE_RECORD)) {
                     topLevelClass.addMethod(method);
                 }
             }
         }
 
         List<CompilationUnit> answer = new ArrayList<>();
         if (context.getPlugins().modelBaseRecordClassGenerated(topLevelClass,
                 introspectedTable)) {
             answer.add(topLevelClass);
         }
         return answer;
     }
 
     private FullyQualifiedJavaType getSuperClass() {
         FullyQualifiedJavaType superClass;
         String rootClass = getRootClass();
         if (rootClass != null) {
             superClass = new FullyQualifiedJavaType(rootClass);
         } else {
             superClass = null;
         }
 
         return superClass;
     }
 
     private void addParameterizedConstructor(TopLevelClass topLevelClass) {
         Method method = new Method(topLevelClass.getType().getShortName());
         method.setVisibility(JavaVisibility.PUBLIC);
         method.setConstructor(true);
         context.getCommentGenerator().addGeneralMethodAnnotation(method, introspectedTable,
                 topLevelClass.getImportedTypes());
 
         List<IntrospectedColumn> constructorColumns = introspectedTable
                 .getAllColumns();
 
         for (IntrospectedColumn introspectedColumn : constructorColumns) {
             method.addParameter(new Parameter(introspectedColumn
                     .getFullyQualifiedJavaType(), introspectedColumn
                     .getJavaProperty()));
         }
 
         StringBuilder sb = new StringBuilder();
         List<IntrospectedColumn> introspectedColumns = introspectedTable.getAllColumns();
         for (IntrospectedColumn introspectedColumn : introspectedColumns) {
             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);
     }
 }