/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * 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.
   */
  package org.apache.syncope.core.logic.saml2;
  
  import java.util.Collection;
  import java.util.Map;
  import java.util.Optional;
  import java.util.Set;
  import javax.ws.rs.HttpMethod;
  import org.apache.syncope.common.lib.saml2.SAML2Constants;
  import org.apache.syncope.common.lib.saml2.SAML2Response;
  import org.apache.syncope.common.lib.types.SAML2BindingType;
  import org.pac4j.core.context.Cookie;
  import org.pac4j.core.context.WebContext;
  
  public class SAML2SP4UIContext implements WebContext {
  
      private final String bindingType;
  
      private final SAML2Response saml2Response;
  
      public SAML2SP4UIContext(final String bindingType, final SAML2Response saml2Response) {
          this.bindingType = bindingType;
          this.saml2Response = saml2Response;
      }
  
      @Override
      public String getRequestMethod() {
          return SAML2BindingType.POST.getUri().equals(bindingType)
                  ? HttpMethod.POST
                  : HttpMethod.GET;
      }
  
      @Override
      public Optional<String> getRequestParameter(final String name) {
          switch (name) {
              case SAML2Constants.SAML_RESPONSE:
                  return Optional.ofNullable(saml2Response.getSamlResponse());
  
              case SAML2Constants.RELAY_STATE:
                  return Optional.ofNullable(saml2Response.getRelayState());
  
              default:
                  return Optional.empty();
          }
      }
  
      @Override
      public Map<String, String[]> getRequestParameters() {
          return Map.of();
      }
  
      @Override
      public Optional<String> getRequestAttribute(final String name) {
          return Optional.empty();
      }
  
      @Override
      public void setRequestAttribute(final String name, final Object value) {
          // nothing to do
      }
  
      @Override
      public Optional<String> getRequestHeader(final String name) {
          return Optional.empty();
      }
  
      @Override
      public String getRemoteAddr() {
          return null;
      }
  
      @Override
      public void setResponseHeader(final String name, final String value) {
          // nothing to do
      }
  
      @Override
      public Optional<String> getResponseHeader(final String s) {
          return Optional.empty();
      }
  
      @Override
     public String getServerName() {
         return null;
     }
 
     @Override
     public int getServerPort() {
         return -1;
     }
 
     @Override
     public String getScheme() {
         return null;
     }
 
     @Override
     public boolean isSecure() {
         return false;
     }
 
     @Override
     public String getFullRequestURL() {
         return null;
     }
 
     @Override
     public Collection<Cookie> getRequestCookies() {
         return Set.of();
     }
 
     @Override
     public void addResponseCookie(final Cookie cookie) {
         // nothing to do
     }
 
     @Override
     public String getPath() {
         return null;
     }
 
     @Override
     public void setResponseContentType(final String content) {
         // nothing to do
     }
 }