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

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import at.gv.egiz.eaaf.core.api.data.ExtendedPVPAttributeDefinitions;
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.IPVPAttributeBuilder;
import at.gv.egiz.eaaf.core.api.idp.ISPConfiguration;
import at.gv.egiz.eaaf.core.exceptions.AttributeBuilderException;
import at.gv.egiz.eaaf.core.exceptions.UnavailableAttributeException;
import at.gv.egovernment.moa.id.commons.api.IOAAuthParameters;

public class EidSpMandateProfilesAttributeBuilder implements IPVPAttributeBuilder {
  private static final Logger log = LoggerFactory.getLogger(EidSpMandateProfilesAttributeBuilder.class);

  @Override
  public <T> T build(final ISPConfiguration oaParam, final IAuthData authData, final IAttributeGenerator<T> g)
      throws AttributeBuilderException {
    if (oaParam instanceof IOAAuthParameters && ((IOAAuthParameters) oaParam).isShowMandateCheckBox()) {
      return g.buildStringAttribute(getFriendlyName(), getName(),
          StringUtils.join(
              ((IOAAuthParameters) oaParam).getMandateProfiles(), ","));

    } else {
      log.info("{} is only available in AuthHandler context", getFriendlyName());

    }
    throw new UnavailableAttributeException(getName());

  }

  @Override
  public <T> T buildEmpty(final IAttributeGenerator<T> g) {
    return g.buildEmptyAttribute(getFriendlyName(), getName());

  }

  @Override
  public String getName() {
    return ExtendedPVPAttributeDefinitions.SP_USESMANDATES_NAME;
  }

  private String getFriendlyName() {
    return ExtendedPVPAttributeDefinitions.SP_USESMANDATES_FRIENDLY_NAME;
  }

}