/*
    *    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.kotlin.elements;
  
  import org.mybatis.generator.api.IntrospectedColumn;
  import org.mybatis.generator.api.IntrospectedTable;
  import org.mybatis.generator.api.dom.kotlin.KotlinArg;
  import org.mybatis.generator.api.dom.kotlin.KotlinFile;
  import org.mybatis.generator.api.dom.kotlin.KotlinFunction;
  import org.mybatis.generator.config.Context;
  
  public abstract class AbstractKotlinFunctionGenerator {
      protected final Context context;
      protected final IntrospectedTable introspectedTable;
      protected final String tableFieldName;
  
      protected AbstractKotlinFunctionGenerator(BaseBuilder<?> builder) {
          context = builder.context;
          introspectedTable = builder.introspectedTable;
          tableFieldName = builder.tableFieldName;
      }
  
      protected void acceptParts(KotlinFile kotlinFile, KotlinFunction kotlinFunction,
              KotlinFunctionParts functionParts) {
          for (KotlinArg argument : functionParts.getArguments()) {
              kotlinFunction.addArgument(argument);
          }
  
          for (String annotation : functionParts.getAnnotations()) {
              kotlinFunction.addAnnotation(annotation);
          }
  
          kotlinFunction.addCodeLines(functionParts.getCodeLines());
          kotlinFile.addImports(functionParts.getImports());
      }
  
      protected void acceptParts(KotlinFunctionAndImports functionAndImports, KotlinFunctionParts functionParts) {
          for (KotlinArg argument : functionParts.getArguments()) {
              functionAndImports.getFunction().addArgument(argument);
          }
  
          for (String annotation : functionParts.getAnnotations()) {
              functionAndImports.getFunction().addAnnotation(annotation);
          }
  
          functionAndImports.getFunction().addCodeLines(functionParts.getCodeLines());
          functionAndImports.getImports().addAll(functionParts.getImports());
      }
  
      protected void addFunctionComment(KotlinFunctionAndImports functionAndImports) {
          context.getCommentGenerator().addGeneralFunctionComment(functionAndImports.getFunction(), introspectedTable,
                  functionAndImports.getImports());
      }
  
      public static FieldNameAndImport calculateFieldNameAndImport(String tableFieldName, String supportObjectImport,
                                                       IntrospectedColumn column) {
          FieldNameAndImport answer = new FieldNameAndImport();
          answer.fieldName = column.getJavaProperty();
          if (answer.fieldName.equals(tableFieldName)) {
              // name collision, no shortcut generated
              answer.fieldName = tableFieldName + "." + answer.fieldName; //$NON-NLS-1$
              answer.importString = supportObjectImport + "." + tableFieldName; //$NON-NLS-1$
          } else {
              answer.importString = supportObjectImport + "." + answer.fieldName; //$NON-NLS-1$
          }
          return answer;
      }
  
      public static class FieldNameAndImport {
          private String fieldName;
          private String importString;
  
          public String fieldName() {
              return fieldName;
          }
  
          public String importString() {
              return importString;
          }
      }
  
      public abstract KotlinFunctionAndImports generateMethodAndImports();
  
      public abstract boolean callPlugins(KotlinFunction method, KotlinFile kotlinFile);
  
      public abstract static class BaseBuilder<T extends BaseBuilder<T>> {
         private Context context;
         private IntrospectedTable introspectedTable;
         private String tableFieldName;
 
         public T withContext(Context context) {
             this.context = context;
             return getThis();
         }
 
         public T withTableFieldName(String tableFieldName) {
             this.tableFieldName = tableFieldName;
             return getThis();
         }
 
         public T withIntrospectedTable(IntrospectedTable introspectedTable) {
             this.introspectedTable = introspectedTable;
             return getThis();
         }
 
         public abstract T getThis();
     }
 }