/*
 * Copyright 2021 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */
package at.gv.egovernment.moa.id.auth.modules.auth.dummy.task;

import java.util.Map;
import java.util.Map.Entry;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import at.gv.egiz.eaaf.core.api.IRequest;
import at.gv.egiz.eaaf.core.api.data.PVPAttributeDefinitions;
import at.gv.egiz.eaaf.core.api.idp.IConfiguration;
import at.gv.egiz.eaaf.core.api.idp.process.ExecutionContext;
import at.gv.egiz.eaaf.core.exceptions.EAAFAuthenticationException;
import at.gv.egiz.eaaf.core.exceptions.EAAFStorageException;
import at.gv.egiz.eaaf.core.exceptions.TaskExecutionException;
import at.gv.egiz.eaaf.core.impl.idp.auth.modules.AbstractAuthServletTask;
import at.gv.egovernment.moa.id.auth.data.AuthenticationSessionWrapper;
import at.gv.egovernment.moa.id.auth.modules.auth.dummy.service.DummyIdentityService;
import at.gv.egovernment.moa.id.commons.api.exceptions.MOAIDException;
import at.gv.egovernment.moa.id.protocols.pvp2x.PVPConstants;
import at.gv.egovernment.moa.logging.Logger;

/**
 * @author tlenz
 *
 */
@Component("InjectDummyIdentityInformationTask")
public class InjectDummyIdentityInformationTask extends AbstractAuthServletTask {

  @Autowired
  IConfiguration moaAuthConfig;
  @Autowired
  DummyIdentityService service;

  /*
   * (non-Javadoc)
   *
   * @see
   * at.gv.egovernment.moa.id.auth.modules.AbstractAuthServletTask#execute(at.gv.
   * egovernment.moa.id.process.api.ExecutionContext,
   * javax.servlet.http.HttpServletRequest,
   * javax.servlet.http.HttpServletResponse)
   */
  @Override
  public void execute(ExecutionContext executionContext, HttpServletRequest request,
      HttpServletResponse response)
      throws TaskExecutionException {

    try {
      Logger.debug("Injecting user credentials for Dummy-Identity authentication ... ");
      parseDemoValuesIntoMOASession(pendingReq);

      // set 'needConsent' to false, because user gives consent during authentication
      pendingReq.setNeedUserConsent(false);
      
      // set 'authenticated' flag to true
      pendingReq.setAuthenticated(true);
      
      // store MOASession into database
      requestStoreage.storePendingRequest(pendingReq);

    } catch (final MOAIDException e) {
      throw new TaskExecutionException(pendingReq, e.getMessage(), e);

    } catch (final Exception e) {
      throw new TaskExecutionException(pendingReq, e.getMessage(), e);

    }
  }

  /**
   * @param pendingReq
   * @param moaSession
   * @throws MOAIDException
   * @throws EAAFStorageException
   * @throws EAAFAuthenticationException
   */
  private void parseDemoValuesIntoMOASession(IRequest pendingReq) throws MOAIDException, EAAFStorageException,
      EAAFAuthenticationException {
    final AuthenticationSessionWrapper moaSession = pendingReq.getSessionData(
        AuthenticationSessionWrapper.class);
    moaSession.setForeigner(false);
    moaSession.setQAALevel(PVPConstants.EIDAS_QAA_HIGH);

    final Map<String, String> rawIdentity = service.getIdentityRandomly();

    // add attributes into session
    for (final Entry<String, String> el : rawIdentity.entrySet()) {
      moaSession.setGenericDataToSession(el.getKey(), el.getValue());
      Logger.debug("Add PVP-attribute " + el.getKey() + " into MOASession");

    }

    // set BKU URL
    if (rawIdentity.containsKey(PVPAttributeDefinitions.EID_CCS_URL_NAME)) {
      moaSession.setBkuURL(rawIdentity.get(PVPAttributeDefinitions.EID_CCS_URL_NAME));

    } else {
      moaSession.setBkuURL("http://egiz.gv.at/dummy-authentication");

    }

    // check if mandates are included
    if (rawIdentity.containsKey(PVPAttributeDefinitions.MANDATE_TYPE_NAME)
        || rawIdentity.containsKey(PVPAttributeDefinitions.MANDATE_TYPE_OID_NAME)) {
      Logger.debug("Find Mandate-Attributes in E-ID response. Switch to mandate-mode ... ");
      moaSession.setUseMandates(true);

    } else {
      moaSession.setUseMandates(false);

    }
  }

}