package eu.eudat.entities.xmlmodels.modeldefinition;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

import eu.eudat.models.components.commons.DefaultValue;
import eu.eudat.models.components.commons.Multiplicity;
import eu.eudat.utilities.XmlSerializable;
import eu.eudat.utilities.builders.XmlBuilder;

public class Field implements DatabaseModelDefinition,XmlSerializable<Field>{
	
	private String id;
	private String datatype;
	private int ordinal;
	private DefaultValue defaultValue;
	private Multiplicity multiplicity;	
	public String getId() {
		return id;
	}
	public void setId(String id) {
		this.id = id;
	}
	public String getDatatype() {
		return datatype;
	}
	public void setDatatype(String datatype) {
		this.datatype = datatype;
	}
	public int getOrdinal() {
		return ordinal;
	}
	public void setOrdinal(int ordinal) {
		this.ordinal = ordinal;
	}	
	
	public DefaultValue getDefaultValue() {
		return defaultValue;
	}
	public void setDefaultValue(DefaultValue defaultValue) {
		this.defaultValue = defaultValue;
	}
		
	public Multiplicity getMultiplicity() {
		return multiplicity;
	}
	public void setMultiplicity(Multiplicity multiplicity) {
		this.multiplicity = multiplicity;
	}
	
	@Override
	public Element toXml(Document doc) {
		Element element = doc.createElement("field");
		element.setAttribute("id", this.id);
		element.setAttribute("ordinal",""+this.ordinal);
		element.setAttribute("datatype", this.datatype);
		
		Element defaultValue = doc.createElement("defaultValue");
		defaultValue.setAttribute("type", this.defaultValue.getType());
		defaultValue.setAttribute("value",this.defaultValue.getValue());
		
		Element multiplicity = doc.createElement("multiplicity");
		multiplicity.setAttribute("min", ""+this.multiplicity.getMin());
		multiplicity.setAttribute("max", ""+this.multiplicity.getMax());
				
		element.appendChild(defaultValue);
		element.appendChild(multiplicity);
		return element;
	}
	@Override
	public Field fromXml(Element item) {
		this.id = item.getAttribute("id");
		this.ordinal = Integer.parseInt(item.getAttribute("ordinal"));
		this.datatype = item.getAttribute("datatype");
		
		this.defaultValue = new DefaultValue();		
		Element defaultValue = (Element)XmlBuilder.getNodeFromListByTagName(item.getChildNodes(), "defaultValue");

		this.defaultValue.setType(defaultValue.getAttribute("type"));
		this.defaultValue.setValue(defaultValue.getAttribute("value"));
		
		this.multiplicity = new Multiplicity();
		Element multiplicity = (Element)XmlBuilder.getNodeFromListByTagName(item.getChildNodes(), "multiplicity");

		this.multiplicity.setMin(Integer.parseInt(multiplicity.getAttribute("min")));
		this.multiplicity.setMax(Integer.parseInt(multiplicity.getAttribute("max")));
		
		return this;
	}
	
	
}