/*
 *  Copyright 2010, 2011 Christopher Pheby
 *
 *  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.jadira.usertype.dateandtime.joda.columnmapper;

import java.sql.Timestamp;
import java.util.Calendar;

import org.jadira.usertype.spi.shared.AbstractTimestampColumnMapper;
import org.jadira.usertype.spi.shared.ColumnMapper;
import org.jadira.usertype.spi.shared.DatabaseZoneConfigured;
import org.jadira.usertype.spi.shared.DstSafeTimestampType;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.LocalDateTime;

public class TimestampColumnLocalDateTimeMapper extends AbstractTimestampColumnMapper<LocalDateTime> implements ColumnMapper<LocalDateTime, Timestamp>, DatabaseZoneConfigured<DateTimeZone> {

    private static final long serialVersionUID = -7670411089210984705L;

    private DateTimeZone databaseZone = null;
    
    public TimestampColumnLocalDateTimeMapper() {
    }

    public TimestampColumnLocalDateTimeMapper(DateTimeZone databaseZone) {
    	this.databaseZone = databaseZone;
    }

    @Override
    public LocalDateTime fromNonNullString(String s) {
       return new LocalDateTime(s);
    }

    @Override
    public LocalDateTime fromNonNullValue(Timestamp value) {

        DateTime dateTime = new DateTime(value.getTime());
        LocalDateTime localDateTime = dateTime.toLocalDateTime();

        return localDateTime;
    }

    @Override
    public String toNonNullString(LocalDateTime value) {
        return value.toString();
    }

    @Override
    public Timestamp toNonNullValue(LocalDateTime value) {

    	DateTime zonedValue = value.toDateTime(value.toDateTime());

        final Timestamp timestamp = new Timestamp(zonedValue.getMillis());
        return timestamp;
    }

    @Override
	public void setDatabaseZone(DateTimeZone databaseZone) {
        this.databaseZone = databaseZone;
    }

	@Override
	public DateTimeZone parseZone(String zoneString) {
		return DateTimeZone.forID(zoneString);
	}
	
    @Override
    public final DstSafeTimestampType getHibernateType() {
    	return databaseZone == null ? DstSafeTimestampType.INSTANCE : new DstSafeTimestampType(Calendar.getInstance(databaseZone.toTimeZone()));
    }
}