/*
    *    Copyright 2009-2023 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.apache.ibatis.submitted.annotion_many_one_add_columnprefix;
  
  import java.util.List;
  
  import org.apache.ibatis.annotations.Many;
  import org.apache.ibatis.annotations.One;
  import org.apache.ibatis.annotations.Result;
  import org.apache.ibatis.annotations.Results;
  import org.apache.ibatis.annotations.Select;
  
  /**
   * @author lvyang
   */
  public interface UserDao {
    // @formatter:off
    @Select({"select",
        "  u.id, u.username, r.id role_id, r.name role_name",
        " from user u",
        " left join user_role ur on u.id = ur.user_id",
        " left join role r on ur.role_id = r.id"})
    @Results({
        @Result(id = true, column = "id", property = "id"),
        @Result(column = "username", property = "username"),
        @Result(property = "roles", many = @Many(resultMap = "org.apache.ibatis.submitted.annotion_many_one_add_columnprefix.RoleDao.roleMap1", columnPrefix = "role_"))
      })
    // @formatter:on
    List<User> findAll();
  
    // @formatter:off
    @Select({"select",
        "  u.id, u.username, r.id role_id, r.name role_name",
        " from user u",
        " left join user_role ur on u.id = ur.user_id",
        " left join role r on ur.role_id = r.id"})
    @Results({
        @Result(id = true, column = "id", property = "id"),
        @Result(column = "username", property = "username"),
        @Result(property = "roles", many = @Many(resultMap = "org.apache.ibatis.submitted.annotion_many_one_add_columnprefix.RoleDao.roleMap2", columnPrefix = "role_"))
      })
    // @formatter:on
    List<User> findAll2();
  
    // @formatter:off
    @Select({"select",
        "  u.id, u.username, r.id role_id, r.name role_name",
        " from user u",
        " left join user_role ur on u.id = ur.user_id",
        " left join role r on ur.role_id = r.id where u.id in (2, 3)"})
    @Results({
        @Result(id = true, column = "id", property = "id"),
        @Result(column = "username", property = "username"),
        @Result(property = "role", one = @One(resultMap = "org.apache.ibatis.submitted.annotion_many_one_add_columnprefix.RoleDao.roleMap2", columnPrefix = "role_"))
      })
    // @formatter:on
    List<User> findAll3();
  
    // @formatter:off
    @Select("select id teacher_id, username teacher_name from user")
    @Results(id = "userMap", value = {
        @Result(id = true, column = "teacher_id", property = "id"),
        @Result(column = "teacher_name", property = "username")
      })
    // @formatter:on
    List<User> justUseResult();
  
    // @formatter:off
    @Select({"select",
        "  u.id, u.username, r.id role_id, r.name role_name,",
        "  f.id friend_id, f.username, fr.id friend_role_id, fr.name friend_role_name",
        " from user u",
        " left join user_role ur on u.id = ur.user_id",
        " left join role r on ur.role_id = r.id",
        " left join user f on u.friend_id = f.id",
        " left join user_role fur on f.id = fur.user_id",
        " left join role fr on fur.role_id = fr.id",
        " where u.id = #{userId} order by r.id, fr.id"
      })
    @Results(id = "userWithFriendMap", value = {
        @Result(id = true, column = "id", property = "id"),
        @Result(column = "username", property = "username"),
        @Result(property = "roles", many = @Many(resultMap = "org.apache.ibatis.submitted.annotion_many_one_add_columnprefix.RoleDao.roleMap1", columnPrefix = "role_")),
        @Result(property = "friend", one = @One(resultMap = "org.apache.ibatis.submitted.annotion_many_one_add_columnprefix.UserDao.userWithFriendMap", columnPrefix = "friend_"))
      })
    // @formatter:on
   User findUserWithFriend(Integer userId);
 
 }