package at.asitplus.eidas.specific.modules.auth.eidas.v2.handler;

import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;

import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
import at.gv.egiz.eaaf.core.api.idp.ISpConfiguration;
import eu.eidas.auth.commons.light.impl.LightRequest.Builder;
import lombok.Getter;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;

/**
 * Ulraine specific eIDAS AuthnRequest generation. 
 * 
 * @author tlenz
 *
 */
@Slf4j
public class UaEidProcessor extends AbstractEidProcessor {

  private static final String CONFIG_PROP_UA_SPECIFIC_LOA = "auth.eIDAS.node_v2.loa.ua.requested";
  
  private static final String canHandleCC = "UA";

  @Autowired IConfiguration config;
  
  @Getter
  @Setter
  private int priority = 1;
  
  @Override
  public String getName() {
    return "UA-PostProcessor";
    
  }

  @Override
  public boolean canHandle(String countryCode) {
    return countryCode != null && countryCode.equalsIgnoreCase(canHandleCC);
    
  }
    
  @Override
  protected Map<String, Boolean> getCountrySpecificRequestedAttributes() {
    return new HashMap<>();
    
  }
  
  protected void buildLevelOfAssurance(ISpConfiguration spConfig, Builder authnRequestBuilder) {        
    
    // allow override of LoA, because UA maybe only support not-notified LoA levels    
    String uaSpecificLoA = config.getBasicConfiguration(CONFIG_PROP_UA_SPECIFIC_LOA);
    if (StringUtils.isNotEmpty(uaSpecificLoA)) {
      authnRequestBuilder.levelsOfAssuranceValues(Arrays.asList(uaSpecificLoA));
      log.info("Set UA specific LoA level to: {}", uaSpecificLoA);
      
    } else {
      super.buildLevelOfAssurance(spConfig, authnRequestBuilder);
      
    }
  }
  
}