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package at.gv.egiz.eaaf.modules.pvp2.impl.builder;

import org.opensaml.saml2.core.Attribute;
import org.opensaml.saml2.core.AttributeValue;
import org.opensaml.xml.Configuration;
import org.opensaml.xml.XMLObject;
import org.opensaml.xml.schema.XSInteger;
import org.opensaml.xml.schema.XSString;
import org.opensaml.xml.schema.impl.XSIntegerBuilder;
import org.opensaml.xml.schema.impl.XSStringBuilder;

import at.gv.egiz.eaaf.core.api.idp.IAttributeGenerator;
import at.gv.egiz.eaaf.modules.pvp2.impl.utils.SAML2Utils;

public class SamlAttributeGenerator implements IAttributeGenerator<Attribute> {
	
	private XMLObject buildAttributeStringValue(String value) {
		XSStringBuilder stringBuilder = (XSStringBuilder) Configuration.getBuilderFactory().getBuilder(XSString.TYPE_NAME);
		XSString stringValue = stringBuilder.buildObject(AttributeValue.DEFAULT_ELEMENT_NAME, XSString.TYPE_NAME);
		stringValue.setValue(value);
		return stringValue;
	}
	
	private XMLObject buildAttributeIntegerValue(int value) {
		XSIntegerBuilder integerBuilder = (XSIntegerBuilder) Configuration.getBuilderFactory().getBuilder(XSInteger.TYPE_NAME);
		XSInteger integerValue = integerBuilder.buildObject(AttributeValue.DEFAULT_ELEMENT_NAME, XSInteger.TYPE_NAME);
		integerValue.setValue(value);
		return integerValue;
	}
	
	public Attribute buildStringAttribute(final String friendlyName, final String name, final String value) {
		Attribute attribute = SAML2Utils.createSAMLObject(Attribute.class);
		attribute.setFriendlyName(friendlyName);
		attribute.setName(name);
		attribute.setNameFormat(Attribute.URI_REFERENCE);
		attribute.getAttributeValues().add(buildAttributeStringValue(value));
		return attribute;
	}
	
	public Attribute buildIntegerAttribute(final String friendlyName, final String name, final int value) {
		Attribute attribute = SAML2Utils.createSAMLObject(Attribute.class);
		attribute.setFriendlyName(friendlyName);
		attribute.setName(name);
		attribute.setNameFormat(Attribute.URI_REFERENCE);
		attribute.getAttributeValues().add(buildAttributeIntegerValue(value));
		return attribute;
	}
	
	public Attribute buildEmptyAttribute(final String friendlyName, final String name) {
		Attribute attribute = SAML2Utils.createSAMLObject(Attribute.class);
		attribute.setFriendlyName(friendlyName);
		attribute.setName(name);
		attribute.setNameFormat(Attribute.URI_REFERENCE);
		return attribute;
	}

	public Attribute buildLongAttribute(String friendlyName, String name, long value) {
		Attribute attribute = SAML2Utils.createSAMLObject(Attribute.class);
		attribute.setFriendlyName(friendlyName);
		attribute.setName(name);
		attribute.setNameFormat(Attribute.URI_REFERENCE);
		attribute.getAttributeValues().add(buildAttributeIntegerValue((int) value));
		return attribute;
	}
	
}