package at.gv.egiz.eaaf.core.impl.idp.builder.attributes;

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.IEidAuthData;
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 lombok.extern.slf4j.Slf4j;

@Slf4j
@PvpMetadata
public class EidIdentityStatusLevelAttributeBuiler implements IPvpAttributeBuilder {

  @Override
  public String getName() {
    return EID_IDENTITY_STATUS_LEVEL_NAME;
  }

  @Override
  public <ATT> ATT build(final ISpConfiguration oaParam, final IAuthData authData,
      final IAttributeGenerator<ATT> g) throws AttributeBuilderException {

    if (authData instanceof IEidAuthData) {
      if (((IEidAuthData) authData).getEidStatus() == null) {
        throw new UnavailableAttributeException(getName());
        
      }

      return g.buildStringAttribute(getFriendlyName(), getName(),
          ((IEidAuthData) authData).getEidStatus().getUri());
      
    } else {
      log.info(getFriendlyName() + " is only available in EAAF context");
      
    }

    throw new UnavailableAttributeException(getName());
  }

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

  private String getFriendlyName() {
    return EID_IDENTITY_STATUS_LEVEL_FRIENDLY_NAME;
  }
}