package com.srv4pos.server.api.kdfacet;
   
   import com.srv4pos.server.api.infrastructure.EmptyConnectionWriter;
   import com.srv4pos.server.api.infrastructure.HttpMethod;
   import com.srv4pos.server.api.infrastructure.credentials.Credentials;
   import com.srv4pos.server.api.infrastructure.exceptions.enums.InconsistentDataErrorType;
   import com.srv4pos.server.api.infrastructure.http.HttpHelper;
   import com.srv4pos.server.api.infrastructure.http.Transport;
   import com.srv4pos.server.api.infrastructure.request.StringResponse;
  
  import java.net.URL;
  import java.util.HashMap;
  import java.util.List;
  
  import static com.srv4pos.server.api.infrastructure.request.RequestHelper.requestString;
  
  public class KdFacetService {
      private URL url;
      private Credentials credentials;
      private Transport transport;
  
      public KdFacetService(URL url, Credentials credentials, Transport transport) {
          this.url = url;
          this.credentials = credentials;
          this.transport = transport;
      }
  
      public List<KdFacetInfo> list(
              Integer firstResult,
              Integer maxResults,
              String serial,
              String sellerId,
              String cashRegisterName,
              Long softwareVendorId) {
          return list(firstResult, maxResults, serial, sellerId, cashRegisterName, softwareVendorId, null, null);
      }
  
  
      /**
       * Returns list of kd facets. One of the filters must be used. Also, since cash register name is unique only through the particular seller it is forbidden
       * to pass just a cash register name without seller.
       *
       * @param firstResult      when pagination starts or null
       * @param maxResults       amount of items per page or null
       * @param serial           filters kd facets by control unit
       * @param sellerId         filters kd facets by seller
       * @param cashRegisterName filters kd facets by cash register name (i.e. registration)
       * @param softwareVendorId filters kd facets by software vendor
       * @return list of entities
       * @throws com.srv4pos.server.api.exceptions.InconsistentDataJsonException see:
       *                                                                         {@link InconsistentDataErrorType#SELLER_SHOULD_BE_PROVIDED_FOR_CR}
       *                                                                         {@link InconsistentDataErrorType#SELLER_HAS_NOT_REGISTRATION}
       */
      public List<KdFacetInfo> list(
              Integer firstResult,
              Integer maxResults,
              String serial,
              String sellerId,
              String cashRegisterName,
              Long softwareVendorId,
              KdFacetInfo.Fields orderBy,
              Boolean orderDesc) {
          HashMap<String, String> params = new HashMap<String, String>();
          if (firstResult != null) {
              params.put("firstResult", Integer.toString(firstResult));
          }
          if (maxResults != null) {
              params.put("maxResults", Integer.toString(maxResults));
          }
          if (serial != null) {
              params.put("controlUnit", serial);
          }
          if (sellerId != null) {
              params.put("seller", sellerId);
          }
          if (cashRegisterName != null) {
              params.put("cashRegisterName", cashRegisterName);
          }
          if (softwareVendorId != null) {
              params.put("softwareVendor", Long.toString(softwareVendorId));
          }
          if (orderBy != null) {
              params.put("orderBy", orderBy.name());
          }
          if (orderDesc != null) {
              params.put("orderDesc", orderDesc.toString());
          }
  
          StringResponse response = requestString(
                  "kd-facets",
                  HttpMethod.GET,
                  url,
                  credentials.toAuthentication(),
                  null,
                  params,
                  EmptyConnectionWriter.EMPTY_CONNECTION_WRITER,
                  HttpHelper.CONTENT_TYPE_APPLICATION_JSON,
                  transport
          );
         return response == null ? null : (List<KdFacetInfo>) KdFacetInfo.fromJsonArrayToKdFacetInfoes(response.getContent());
     }
 }