package com.srv4pos.server.api.auth;
   
   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.ForbiddenErrorType;
   import com.srv4pos.server.api.infrastructure.http.HttpHelper;
   import com.srv4pos.server.api.infrastructure.http.Transport;
   
  import java.net.URL;
  
  import static com.srv4pos.server.api.infrastructure.request.RequestHelper.requestString;
  
  /**
   * Common aggregation for utility methods requires authentication. User: Kirill Date: 25.07.13 11:14
   */
  public class AuthService {
      private URL url;
      private Credentials credentials;
      private Transport transport;
  
      public AuthService() {
  
      }
  
      public AuthService(URL url, Credentials credentials, Transport transport) {
          this.url = url;
          this.credentials = credentials;
          this.transport = transport;
      }
  
      /**
       * This method is very useful to check authentication. Call it to make sure you are successfully authenticated.
       *
       * @return {@code HandshakeReply} indicates whether request version is outdated.
       * @throws com.srv4pos.server.api.exceptions.ForbiddenJsonException see: {@link ForbiddenErrorType#SELLER_NOT_FOUND}
       */
      public HandshakeReply handshake() {
          return HandshakeReply.fromJsonToHandshakeReply(
                  requestString("auth/handshake", HttpMethod.GET, url, credentials == null ? null : credentials.toAuthentication(), null, null,
                          EmptyConnectionWriter.EMPTY_CONNECTION_WRITER,
                          HttpHelper.CONTENT_TYPE_APPLICATION_JSON, transport).getContent());
      }
  
      /**
       * Gets user info and list with connected sellers to the user in credentials.
       *
       * @return instance of {@link com.srv4pos.server.api.auth.AuthInfo}
       * @throws com.srv4pos.server.api.exceptions.ForbiddenJsonException see:
       *                                                                  {@link ForbiddenErrorType#INSUFFICIENT_ACCESS_RIGHTS}
       * @see AuthServiceSample
       */
      public AuthInfo getAuth() {
          return AuthInfo.fromJsonToAuthInfo(requestString(String.format("auth/user"), HttpMethod.GET, url, credentials.toAuthentication(), null, null,
                  EmptyConnectionWriter.EMPTY_CONNECTION_WRITER, HttpHelper.CONTENT_TYPE_APPLICATION_JSON, transport).getContent());
      }
  }