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package org.hibernate.examples.model;

import lombok.Getter;
import lombok.Setter;
import org.hibernate.annotations.Type;
import org.hibernate.examples.utils.HashTool;
import org.hibernate.examples.utils.ToStringHelper;
import org.joda.time.DateTime;

import javax.persistence.Column;
import javax.persistence.Embeddable;

/**
 * org.hibernate.examples.model.DateTimeRange
 *
 * @author 배성혁 [email protected]
 * @since 2013. 12. 3. 오후 9:10
 */
@Embeddable
@Getter
@Setter
public class DateTimeRange extends AbstractValueObject {

    private static final long ZeroMillis = 0L;
    private static final long MinMillis = 0L;
    private static final long MillisPerDay = 24 * 60 * 60 * 1000L;
    private static final long MaxMillis = 3652059L * MillisPerDay - 1L;

    private static final DateTime MinPeriodTime = new DateTime(MinMillis);
    private static final DateTime MaxPeriodTime = new DateTime(MaxMillis);

    public DateTimeRange() {
        this(MinPeriodTime, MaxPeriodTime);
    }

    public DateTimeRange(DateTime startTime, DateTime endTime) {
        this.startTime = startTime;
        this.endTime = endTime;
    }

    public DateTimeRange(DateTimeRange src) {
        this.startTime = src.startTime;
        this.endTime = src.endTime;
    }

    @Type(type = "org.hibernate.examples.usertype.JodaDateTimeUserType")
    @Column(name = "startTime")
    private DateTime startTime;

    @Type(type = "org.hibernate.examples.usertype.JodaDateTimeUserType")
    @Column(name = "endTime")
    private DateTime endTime;

    public void setRange(DateTime startTime, DateTime endTime) {
        this.startTime = startTime;
        this.endTime = endTime;
    }

    @Override
    public int hashCode() {
        return HashTool.compute(startTime, endTime);
    }

    @Override
    public ToStringHelper buildStringHelper() {
        return super.buildStringHelper()
                    .add("startTime", startTime)
                    .add("endTime", endTime);
    }

    private static final long serialVersionUID = -1025137254753678068L;
}