/*
 * Copyright 2018 A-SIT Plus GmbH
 * AT-specific eIDAS Connector has been developed in a cooperation between EGIZ,
 * A-SIT Plus GmbH, A-SIT, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "License");
 * You may not use this work except in compliance with the License.
 * You may obtain a copy of the License at:
 * https://joinup.ec.europa.eu/news/understanding-eupl-v12
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * 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.asitplus.eidas.specific.connector.logger;

import org.apache.commons.lang3.StringUtils;
import org.joda.time.DateTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import at.asitplus.eidas.specific.connector.MsEidasNodeConstants;
import at.gv.egiz.eaaf.core.api.IRequest;
import at.gv.egiz.eaaf.core.api.idp.IAuthData;
import at.gv.egiz.eaaf.core.api.logging.IStatisticLogger;
import at.gv.egiz.eaaf.core.exceptions.EaafException;

public class StatisticLogger implements IStatisticLogger {

  private static final Logger log = LoggerFactory.getLogger(StatisticLogger.class);

  private static final String DATEFORMATER = "yyyy.MM.dd-HH:mm:ss+z";
  private static final String STATUS_SUCCESS = "success";
  private static final String STATUS_ERROR = "error";

  @Override
  public void logSuccessOperation(IRequest protocolRequest, IAuthData authData, boolean isSsoSession) {
    log.info(buildLogMessage(
        protocolRequest.getUniqueTransactionIdentifier(),
        protocolRequest.getSpEntityId(),
        protocolRequest.getRawData(MsEidasNodeConstants.DATA_REQUESTERID),
        protocolRequest.getServiceProviderConfiguration().getAreaSpecificTargetIdentifier(),
        authData.getCiticenCountryCode(),
        STATUS_SUCCESS,
        StringUtils.EMPTY,
        StringUtils.EMPTY));

  }

  @Override
  public void logErrorOperation(Throwable throwable) {
    String errorId = "TODO";
    if (throwable instanceof EaafException) {
      errorId = ((EaafException) throwable).getErrorId();
    }

    log.info(buildLogMessage(
        StringUtils.EMPTY,
        StringUtils.EMPTY,
        StringUtils.EMPTY,
        StringUtils.EMPTY,
        StringUtils.EMPTY,
        STATUS_ERROR,
        errorId,
        throwable.getMessage()));

  }

  @Override
  public void logErrorOperation(Throwable throwable, IRequest errorRequest) {
    String errorId = "TODO";
    if (throwable instanceof EaafException) {
      errorId = ((EaafException) throwable).getErrorId();
    }

    if (errorRequest != null) {
      log.info(buildLogMessage(
          errorRequest.getUniqueTransactionIdentifier(),
          errorRequest.getSpEntityId(),
          errorRequest.getRawData(MsEidasNodeConstants.DATA_REQUESTERID),
          errorRequest.getServiceProviderConfiguration().getAreaSpecificTargetIdentifier(),
          StringUtils.EMPTY,
          STATUS_ERROR,
          errorId,
          throwable.getMessage()));
    } else {
      log.info(buildLogMessage(
          StringUtils.EMPTY,
          StringUtils.EMPTY,
          StringUtils.EMPTY,
          StringUtils.EMPTY,
          StringUtils.EMPTY,
          STATUS_ERROR,
          errorId,
          throwable.getMessage()));
    }

  }

  @Override
  public void internalTesting() throws Exception {
    log.trace("Not implemented for a File-based logger");

  }

  private String buildLogMessage(String transId, String entityId, Object requesterId, String target,
      String cc,
      String status, String errorCode, String errorMsg) {
    String logMsg = StringUtils.EMPTY;

    // data,tId,MOAID-Id,SP-Id,bPKTarget,CC,status,error-code,error-msg

    logMsg += DateTime.now().toString(DATEFORMATER) + ",";
    logMsg += transId + ",";
    logMsg += entityId + ",";

    if (requesterId instanceof String && StringUtils.isNotEmpty((String) requesterId)) {
      logMsg += (String) requesterId + ",";
    } else {
      logMsg += StringUtils.EMPTY + ",";
    }

    logMsg += target + ",";
    logMsg += cc + ",";

    logMsg += status + ",";
    logMsg += errorCode + ",";
    logMsg += errorMsg;

    return logMsg;
  }
}