/*-
 * ============LICENSE_START=======================================================
 * openECOMP : SDN-C
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights
 * 							reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.sdnc.ra.rule.dao;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;

import org.openecomp.sdnc.util.speed.SpeedUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;

public class MaxPortSpeedDaoImpl implements MaxPortSpeedDao {

	@SuppressWarnings("unused")
	private static final Logger log = LoggerFactory.getLogger(MaxPortSpeedDaoImpl.class);

	private final static String GET_SQL =
	        "SELECT * FROM MAX_PORT_SPEED WHERE image_file_name = ? AND end_point_position = ? AND interface_name = ?";

	private JdbcTemplate jdbcTemplate;
	private long defaultMaxPortSpeed = 5000000;
	private SpeedUtil speedUtil;

	@Override
	public long getMaxPortSpeed(String imageFile, String endPointPosition, String interfaceName) {
		List<MaxPortSpeed> maxPortSpeedList =
		        jdbcTemplate.query(GET_SQL, new Object[] { imageFile, endPointPosition, interfaceName },
		                new RowMapper<MaxPortSpeed>() {

			                @Override
			                public MaxPortSpeed mapRow(ResultSet rs, int rowNum) throws SQLException {
				                MaxPortSpeed mps = new MaxPortSpeed();
				                mps.maxSpeed = rs.getLong("max_speed");
				                mps.unit = rs.getString("unit");
				                return mps;
			                }
		                });

		if (maxPortSpeedList.isEmpty())
			return defaultMaxPortSpeed;

		MaxPortSpeed mps = maxPortSpeedList.get(0);
		return speedUtil.convertToKbps(mps.maxSpeed, mps.unit);
	}

	private static class MaxPortSpeed {

		public long maxSpeed;
		public String unit;
	}

	public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
		this.jdbcTemplate = jdbcTemplate;
	}

	public void setDefaultMaxPortSpeed(long defaultMaxPortSpeed) {
		this.defaultMaxPortSpeed = defaultMaxPortSpeed;
	}

	public void setSpeedUtil(SpeedUtil speedUtil) {
		this.speedUtil = speedUtil;
	}
}