/**
 *    Copyright 2016 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 com.ninerapoint.tms.config.mybatis;

import org.apache.ibatis.type.BaseTypeHandler;
import org.apache.ibatis.type.JdbcType;
import org.springframework.stereotype.Component;

import java.sql.*;
import java.time.OffsetDateTime;
import java.time.ZoneId;

/**
 * @author Tomas Rohovsky
 */
@Component
public class OffsetDateTimeTypeHandler extends BaseTypeHandler<OffsetDateTime> {

  @Override
  public void setNonNullParameter(PreparedStatement ps, int i, OffsetDateTime parameter, JdbcType jdbcType)
          throws SQLException {
    ps.setTimestamp(i, Timestamp.from(parameter.toInstant()));
  }

  @Override
  public OffsetDateTime getNullableResult(ResultSet rs, String columnName) throws SQLException {
    Timestamp timestamp = rs.getTimestamp(columnName);
    return getOffsetDateTime(timestamp);
  }

  @Override
  public OffsetDateTime getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
    Timestamp timestamp = rs.getTimestamp(columnIndex);
    return getOffsetDateTime(timestamp);
  }

  @Override
  public OffsetDateTime getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
    Timestamp timestamp = cs.getTimestamp(columnIndex);
    return getOffsetDateTime(timestamp);
  }

  private static OffsetDateTime getOffsetDateTime(Timestamp timestamp) {
    if (timestamp != null) {
      return OffsetDateTime.ofInstant(timestamp.toInstant(), ZoneId.systemDefault());
    }
    return null;
  }
}