package at.gv.egovernment.moa.id.protocols.eidas.attributes.builder.eid4u;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

import at.gv.egiz.eaaf.core.api.idp.IAttributeGenerator;
import at.gv.egiz.eaaf.core.api.idp.IAuthData;
import at.gv.egiz.eaaf.core.api.idp.ISPConfiguration;
import at.gv.egiz.eaaf.core.exceptions.AttributeBuilderException;
import at.gv.egiz.eid4u.api.attributes.Definitions;
import at.gv.egovernment.moa.id.protocols.eidas.attributes.builder.IeIDASAttribute;
import at.gv.egovernment.moa.id.protocols.eidas.attributes.builder.eIDASMetadata;

@eIDASMetadata
public class IdExpireddateAttrBuilder implements IeIDASAttribute {

	@Override
	public <ATT> ATT build(ISPConfiguration oaParam, IAuthData authData, IAttributeGenerator<ATT> g)
			throws AttributeBuilderException {
		
		Object dateObj= authData.getGenericData(getName(), Object.class);
		
		if (dateObj instanceof Date) {
			DateFormat pvpDateFormat = new SimpleDateFormat(Definitions.DATE_FORMAT_PATTERN);
			String dateString = pvpDateFormat.format(dateObj);
			return g.buildStringAttribute(Definitions.IDEXPIREDATE_FRIENDLYNAME, getName(), dateString);
			
		} else if (dateObj instanceof String) {
			return g.buildStringAttribute(Definitions.IDEXPIREDATE_FRIENDLYNAME, getName(), (String) dateObj);
				
		} else
			throw new AttributeBuilderException("Attribute '" + getName() + "' is not available");
		
	}

	@Override
	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(Definitions.IDEXPIREDATE_FRIENDLYNAME, getName());
	}

	@Override
	public String getName() {
		return Definitions.IDEXPIREDATE_NAME;
		
	}

}