package org.alfresco.rest.api.model;

import java.io.Serializable;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Map;

import org.alfresco.model.ContentModel;
import org.alfresco.rest.framework.resource.UniqueId;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.namespace.QName;
import org.alfresco.util.EqualsHelper;
import org.apache.chemistry.opencmis.commons.PropertyIds;
import org.apache.chemistry.opencmis.commons.data.Properties;
import org.apache.chemistry.opencmis.commons.data.PropertyData;

/**
 * Concrete class carrying general information for <b>alf_node</b> data
 * 
 * @author steveglover
 * @author Gethin James
 */
public class Node implements Comparable<Node>
{
	protected NodeRef nodeRef;
	protected String name;
	protected String title;
	protected NodeRef guid;
	protected String description;
    protected Date createdAt;
    protected Date modifiedAt;
    protected String createdBy;
    protected String modifiedBy;
    
    public Node(NodeRef nodeRef, Map<QName, Serializable> nodeProps)
    {
    	if(nodeRef == null)
    	{
    		throw new IllegalArgumentException();
    	}

    	this.nodeRef = nodeRef;
        mapProperties(nodeProps);
    }
    
	protected Object getValue(Map<String, PropertyData<?>> props, String name)
	{
		PropertyData<?> prop = props.get(name);
		Object value = (prop != null ? prop.getFirstValue() : null);
		return value;
	}

	public Node(NodeRef nodeRef, Properties properties)
	{
    	this.nodeRef = nodeRef;

		Map<String, PropertyData<?>> props = properties.getProperties();
		this.name = (String)getValue(props, PropertyIds.NAME);
		this.title = (String)getValue(props, ContentModel.PROP_TITLE.toString());
    	this.guid = nodeRef;
		GregorianCalendar cal = (GregorianCalendar)getValue(props, PropertyIds.CREATION_DATE);
		this.createdAt = cal.getTime();
		cal = (GregorianCalendar)getValue(props, PropertyIds.LAST_MODIFICATION_DATE);
		this.modifiedAt = cal.getTime();
		this.createdBy = (String)getValue(props, PropertyIds.CREATED_BY);
		this.modifiedBy = (String)getValue(props, PropertyIds.LAST_MODIFIED_BY);
	}

    public Node()
    {
    }

    protected void mapProperties(Map<QName, Serializable> nodeProps)
    {
    	this.name = (String)nodeProps.get(ContentModel.PROP_NAME);
    	this.guid = nodeRef;
		this.title = (String)nodeProps.get(ContentModel.PROP_TITLE);
    	this.createdAt = (Date)nodeProps.get(ContentModel.PROP_CREATED);
    	this.createdBy = (String)nodeProps.get(ContentModel.PROP_CREATOR);
    	this.modifiedAt = (Date)nodeProps.get(ContentModel.PROP_MODIFIED);
    	this.modifiedBy = (String)nodeProps.get(ContentModel.PROP_MODIFIER);
    	this.description = (String)nodeProps.get(ContentModel.PROP_DESCRIPTION);
    }
    
    public void setGuid(NodeRef guid)
	{
		this.guid = guid;
	}

	public NodeRef getGuid()
	{
		return guid;
	}

	public String getTitle()
	{
		return title;
	}

	@UniqueId
    public NodeRef getNodeRef()
    {
		return nodeRef;
	}

	public void setNodeRef(NodeRef nodeRef)
	{
//    	if(nodeRef == null)
//    	{
//    		throw new IllegalArgumentException();
//    	}
		this.nodeRef = nodeRef;
	}
	
	public Date getCreatedAt()
    {
        return this.createdAt;
    }

    public void setCreated(Date createdAt)
    {
        this.createdAt = createdAt;
    }

	public Date getModifiedAt()
	{
		return modifiedAt;
	}

	public String getModifiedBy()
	{
		return modifiedBy;
	}

    public String getDescription()
	{
		return description;
	}

    public String getName()
    {
        return this.name;
    }

    public void setName(String name)
    {
        this.name = name;
    }

    public String getCreatedBy()
    {
        return this.createdBy;
    }

    public void setCreatedBy(String createdBy)
    {
        this.createdBy = createdBy;
    }
    
	public boolean equals(Object other)
	{
		if(this == other)
		{
			return true;
		}

		if(!(other instanceof Node))
		{
			return false;
		}
		
		Node node = (Node)other;
		return EqualsHelper.nullSafeEquals(getNodeRef(), node.getNodeRef());
	}

	@Override
	public int compareTo(Node node)
	{
		return getNodeRef().toString().compareTo(node.getNodeRef().toString());
	}

	@Override
	public String toString()
	{
		return "Node [nodeRef=" + nodeRef + ", name=" + name + ", title="
				+ title + ", description=" + description + ", createdAt="
				+ createdAt + ", modifiedAt=" + modifiedAt + ", createdBy=" + createdBy + ", modifiedBy="
				+ modifiedBy + "]";
	}
}