/*
    *    Copyright 2009-2021 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
    *
    *       http://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.repeatable;
  
  import org.apache.ibatis.annotations.CacheNamespace;
  import org.apache.ibatis.annotations.Delete;
  import org.apache.ibatis.annotations.DeleteProvider;
  import org.apache.ibatis.annotations.Insert;
  import org.apache.ibatis.annotations.InsertProvider;
  import org.apache.ibatis.annotations.Options;
  import org.apache.ibatis.annotations.Select;
  import org.apache.ibatis.annotations.SelectKey;
  import org.apache.ibatis.annotations.SelectProvider;
  import org.apache.ibatis.annotations.Update;
  import org.apache.ibatis.annotations.UpdateProvider;
  
  @CacheNamespace(readWrite = false)
  public interface Mapper {
  
    @Select(value = "SELECT id, name, 'HSQL' as databaseName FROM users WHERE id = #{id}", databaseId = "hsql")
    @Select(value = "SELECT id, name, 'DERBY' as databaseName FROM users WHERE id = #{id}", databaseId = "derby")
    @Select("SELECT id, name, 'DEFAULT' as databaseName FROM users WHERE id = #{id}")
    @Options(useCache = false, databaseId = "hsql")
    @Options(useCache = false, databaseId = "derby")
    User getUser(Integer id);
  
    @SelectProvider(type = HsqlSqlProvider.class, method = "getUserUsingProvider", databaseId = "hsql")
    @SelectProvider(type = DerbySqlProvider.class, method = "getUserUsingProvider", databaseId = "derby")
    @SelectProvider(type = DefaultSqlProvider.class, method = "getUserUsingProvider")
    @Options(databaseId = "hsql")
    @Options(databaseId = "derby")
    @Options(flushCache = Options.FlushCachePolicy.TRUE)
    User getUserUsingProvider(Integer id);
  
    @SelectProvider(type = HsqlSqlProvider.class, method = "getUserUsingProvider", databaseId = "hsql")
    @Select(value = "SELECT id, name, 'DERBY' as databaseName FROM users WHERE id = #{id}", databaseId = "derby")
    @Select("SELECT id, name, 'DEFAULT' as databaseName FROM users WHERE id = #{id}")
    @Options(useCache = false, databaseId = "hsql")
    @Options(useCache = false, databaseId = "derby")
    User getUserUsingBoth(Integer id);
  
    @Insert(value = "INSERT INTO users (id, name) VALUES(#{id}, #{name} || ' HSQL')", databaseId = "hsql")
    @Insert(value = "INSERT INTO users (id, name) VALUES(#{id}, #{name} || ' DERBY')", databaseId = "derby")
    @Insert("INSERT INTO users (id, name) VALUES(#{id}, #{name} || ' DEFAULT')")
    @SelectKey(statement = "SELECT COUNT(*) + 1 FROM users", keyProperty = "id", before = true, resultType = Integer.class, databaseId = "hsql")
    @SelectKey(statement = "SELECT COUNT(*) + 1001 FROM users", keyProperty = "id", before = true, resultType = Integer.class, databaseId = "derby")
    @SelectKey(statement = "SELECT COUNT(*) + 10001 FROM users", keyProperty = "id", before = true, resultType = Integer.class)
    void insertUser(User user);
  
    @InsertProvider(type = HsqlSqlProvider.class, method = "insertUserUsingProvider", databaseId = "hsql")
    @InsertProvider(type = DerbySqlProvider.class, method = "insertUserUsingProvider", databaseId = "derby")
    @InsertProvider(type = DefaultSqlProvider.class, method = "insertUserUsingProvider")
    @SelectKey(statement = "SELECT COUNT(*) + 1 FROM users", keyProperty = "id", before = true, resultType = Integer.class, databaseId = "hsql")
    @SelectKey(statement = "SELECT COUNT(*) + 1001 FROM users", keyProperty = "id", before = true, resultType = Integer.class, databaseId = "derby")
    @SelectKey(statement = "SELECT COUNT(*) + 10001 FROM users", keyProperty = "id", before = true, resultType = Integer.class)
    void insertUserUsingProvider(User user);
  
    @Update(value = "UPDATE users SET name = name || ' HSQL' WHERE id = #{id}", databaseId = "hsql")
    @Update(value = "UPDATE users SET name = name || ' DERBY' WHERE id = #{id}", databaseId = "derby")
    @Update("UPDATE users SET name = name || ' DEFAULT' WHERE id = #{id}")
    void updateUserName(Integer id);
  
    @UpdateProvider(type = HsqlSqlProvider.class, method = "updateUserNameUsingProvider", databaseId = "hsql")
    @UpdateProvider(type = DerbySqlProvider.class, method = "updateUserNameUsingProvider", databaseId = "derby")
    @UpdateProvider(type = DefaultSqlProvider.class, method = "updateUserNameUsingProvider")
    void updateUserNameUsingProvider(Integer id);
  
    @Delete(value = "DELETE FROM users WHERE name LIKE '%HSQL%'", databaseId = "hsql")
    @Delete(value = "DELETE FROM users WHERE name LIKE '%DERBY%'", databaseId = "derby")
    @Delete("DELETE FROM users WHERE name LIKE '%DEFAULT%'")
    void delete();
  
    @DeleteProvider(type = HsqlSqlProvider.class, method = "delete", databaseId = "hsql")
    @DeleteProvider(type = DerbySqlProvider.class, method = "delete", databaseId = "derby")
    @DeleteProvider(type = DefaultSqlProvider.class, method = "delete")
    void deleteUsingProvider();
  
    @Select("SELECT COUNT(*) FROM users")
    int count();
  
    @Select("SELECT COUNT(*) FROM users WHERE name LIKE '%' || #{dataabse} || '%'")
    int countByCurrentDatabase(String database);
  
    class HsqlSqlProvider {
      public static String getUserUsingProvider() {
        return "SELECT id, name, 'HSQL' as databaseName FROM users WHERE id = #{id}";
     }
     public static String insertUserUsingProvider() {
       return "INSERT INTO users (id, name) VALUES(#{id}, #{name} || ' HSQL')";
     }
     public static String updateUserNameUsingProvider() {
       return "UPDATE users SET name = name || ' HSQL' WHERE id = #{id}";
     }
     public static String delete() {
       return "DELETE FROM users WHERE name LIKE '%HSQL%'";
     }
   }
 
   class DerbySqlProvider {
     public static String getUserUsingProvider() {
       return "SELECT id, name, 'DERBY' as databaseName FROM users WHERE id = #{id}";
     }
     public static String insertUserUsingProvider() {
       return "INSERT INTO users (id, name) VALUES(#{id}, #{name} || ' DERBY')";
     }
     public static String updateUserNameUsingProvider() {
       return "UPDATE users SET name = name || ' DERBY' WHERE id = #{id}";
     }
     public static String delete() {
       return "DELETE FROM users WHERE name LIKE '%DERBY%'";
     }
   }
 
   class DefaultSqlProvider {
     public static String getUserUsingProvider() {
       return "SELECT id, name, 'DEFAULT' as databaseName FROM users WHERE id = #{id}";
     }
 
     public static String insertUserUsingProvider() {
       return "INSERT INTO users (id, name) VALUES(#{id}, #{name} || ' DEFAULT')";
     }
     public static String updateUserNameUsingProvider() {
       return "UPDATE users SET name = name || ' DEFAULT' WHERE id = #{id}";
     }
     public static String delete() {
       return "DELETE FROM users WHERE name LIKE '%DEFAULT%'";
     }
   }
 
 }