/*
    *    Copyright 2013-2023 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.cdi;
  
  import jakarta.enterprise.context.spi.CreationalContext;
  
  import java.io.IOException;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutputStream;
  import java.io.Serializable;
  import java.lang.reflect.InvocationHandler;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  
  import org.apache.ibatis.session.SqlSessionFactory;
  
  /**
   * @author Frank D. Martinez [mnesarco]
   */
  public class SerializableMapperProxy<T> implements InvocationHandler, Serializable {
  
    private static final long serialVersionUID = 1L;
  
    private transient Object mapper;
  
    private final MyBatisBean bean;
  
    private final CreationalContext<T> creationalContext;
  
    /**
     * Instantiates a new serializable mapper proxy.
     *
     * @param bean
     *          the bean
     * @param creationalContext
     *          the creational context
     */
    public SerializableMapperProxy(MyBatisBean bean, CreationalContext<T> creationalContext) {
      this.bean = bean;
      this.creationalContext = creationalContext;
      this.mapper = getMapper();
    }
  
    @Override
    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
      try {
        return method.invoke(this.mapper, args);
      } catch (InvocationTargetException e) {
        throw e.getTargetException();
      }
    }
  
    private Object getMapper() {
      SqlSessionFactory factory = CDIUtils.findSqlSessionFactory(this.bean.sqlSessionFactoryName, this.bean.qualifiers,
          this.creationalContext);
      return CDIUtils.getRegistry(this.creationalContext).getManager(factory).getMapper(this.bean.type);
    }
  
    private void readObject(ObjectInputStream is) throws ClassNotFoundException, IOException {
      is.defaultReadObject();
      this.mapper = getMapper();
    }
  
    private void writeObject(ObjectOutputStream os) throws IOException {
      os.defaultWriteObject();
    }
  
  }