/**
 * Copyright 2010 JBoss Inc
 *
 * 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.drools.task;

import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Collections;
import java.util.Date;
import java.util.List;

import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToMany;

import org.drools.task.utils.CollectionUtils;

@Entity
public class Deadline implements Externalizable {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)    
    private long             id;

    @OneToMany(cascade = CascadeType.ALL)
    @JoinColumn(name = "Deadline_Documentation_Id", nullable = true)     
    private List<I18NText>   documentation = Collections.emptyList();

    private Date             date;

    @OneToMany(cascade = CascadeType.ALL)
    @JoinColumn(name = "Deadline_Escalation_Id", nullable = true)    
    private List<Escalation> escalations = Collections.emptyList();
    
    private boolean escalated;
    
    public void writeExternal(ObjectOutput out) throws IOException {
        out.writeLong( id );
        
        if ( date != null ) {
            out.writeBoolean( true );
            out.writeLong( date.getTime() );
        } else {
            out.writeBoolean( false );
        }
        CollectionUtils.writeI18NTextList( documentation, out );
        CollectionUtils.writeEscalationList( escalations, out );
        
        out.writeBoolean( escalated );
    }
    
    public void readExternal(ObjectInput in) throws IOException,
                                            ClassNotFoundException {
        id = in.readLong();
        
        if ( in.readBoolean()) {
            date = new Date( in.readLong() );
        }
        documentation = CollectionUtils.readI18NTextList( in );
        escalations = CollectionUtils.readEscalationList( in );   
        
        escalated = in.readBoolean();
    }

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public List<I18NText> getDocumentation() {
        return documentation;
    }

    public void setDocumentation(List<I18NText> documentation) {
        this.documentation = documentation;
    }

    public Date getDate() {
        return date;
    }

    public void setDate(Date date) {
        this.date = date;
    }

    public List<Escalation> getEscalations() {
        return escalations;
    }

    public void setEscalations(List<Escalation> escalations) {
        this.escalations = escalations;
    }

    public boolean isEscalated() {
        return escalated;
    }

    public void setEscalated(boolean escalated) {
        this.escalated = escalated;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((date == null) ? 0 : date.hashCode());
        result = prime * result + CollectionUtils.hashCode( documentation );
        result = prime * result + CollectionUtils.hashCode( escalations );
        result = prime * result + (escalated ? 1231 : 1237);
        result = prime * result + (int) (id ^ (id >>> 32));
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if ( this == obj ) return true;
        if ( obj == null ) return false;
        if ( !(obj instanceof Deadline) ) return false;
        Deadline other = (Deadline) obj;
        
        if ( date == null ) {
            if ( other.date != null ) return false;
        } else if ( date.getTime() != other.date.getTime() ) return false;
        
        if ( escalated != other.escalated ) return false;                        
    
        return CollectionUtils.equals( documentation, other.documentation ) && CollectionUtils.equals( escalations, other.escalations );        
    }


    
    
}