package at.gv.egovernment.moa.id.protocols.pvp2x.builder.attributes;

import org.opensaml.saml2.core.Attribute;

import at.gv.egovernment.moa.id.auth.data.AuthenticationSession;
import at.gv.egovernment.moa.id.config.auth.OAAuthParameter;
import at.gv.egovernment.moa.id.data.AuthenticationData;
import at.gv.egovernment.moa.logging.Logger;
import at.gv.egovernment.moa.util.Constants;

public class BPKAttributeBuilder extends BaseAttributeBuilder {

	public String getName() {
		return BPK_NAME;
	}

	public Attribute build(AuthenticationSession authSession, 
			OAAuthParameter oaParam, AuthenticationData authData) {
		String bpk = authData.getBPK();
		String type = authData.getBPKType();
		
		if (type.startsWith(Constants.URN_PREFIX_WBPK))
			type = type.substring((Constants.URN_PREFIX_WBPK+"+").length());
		else if (type.startsWith(Constants.URN_PREFIX_CDID))
			type = type.substring((Constants.URN_PREFIX_CDID+"+").length());
				
		if(bpk.length() > BPK_MAX_LENGTH) {
			bpk = bpk.substring(0, BPK_MAX_LENGTH);
		}
		
		Logger.trace("Authenticate user with bPK/wbPK " + bpk + " and Type=" + type);
		
		return buildStringAttribute(BPK_FRIENDLY_NAME, BPK_NAME, type + ":" + bpk);
	}
	
	
	public Attribute buildEmpty() {
		return buildemptyAttribute(BPK_FRIENDLY_NAME, BPK_NAME);
	}

}