/*-
 * ============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 MaxServerSpeedDaoImpl implements MaxServerSpeedDao {

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

	private final static String GET_SQL =
	        "SELECT * FROM MAX_SERVER_SPEED\n" +
	        "WHERE (server_model = ? OR server_model = 'ALL') AND evc_count >= ?\n" +
	        "ORDER BY evc_count";

	private JdbcTemplate jdbcTemplate;
	private long defaultMaxServerSpeed = 1600000;
	private SpeedUtil speedUtil;

	@Override
	public long getMaxServerSpeed(String serverModel, int evcCount) {
		List<MaxServerSpeed> maxServerSpeedList =
		        jdbcTemplate.query(GET_SQL, new Object[] { serverModel, evcCount }, new RowMapper<MaxServerSpeed>() {

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

		if (maxServerSpeedList.isEmpty())
			return defaultMaxServerSpeed;

		MaxServerSpeed mps = maxServerSpeedList.get(0);
		return speedUtil.convertToKbps(mps.maxSpeed, mps.unit);
	}

	private static class MaxServerSpeed {

		public long maxSpeed;
		public String unit;
	}

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

	public void setDefaultMaxServerSpeed(long defaultMaxServerSpeed) {
		this.defaultMaxServerSpeed = defaultMaxServerSpeed;
	}

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