/*
    * 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.client.console.wizards;
  
  import java.io.Serializable;
  import java.nio.charset.StandardCharsets;
  import java.util.Base64;
  import javax.ws.rs.core.MediaType;
  import org.apache.syncope.client.console.rest.SAML2SPEntityRestClient;
  import org.apache.syncope.client.console.wicket.markup.html.form.BinaryFieldPanel;
  import org.apache.syncope.client.ui.commons.Constants;
  import org.apache.syncope.client.ui.commons.markup.html.form.AjaxTextFieldPanel;
  import org.apache.syncope.client.ui.commons.wizards.AjaxWizard;
  import org.apache.syncope.common.lib.to.SAML2SPEntityTO;
  import org.apache.wicket.PageReference;
  import org.apache.wicket.extensions.wizard.WizardModel;
  import org.apache.wicket.extensions.wizard.WizardStep;
  import org.apache.wicket.model.PropertyModel;
  
  public class SAML2SPEntityWizardBuilder extends SAML2EntityWizardBuilder<SAML2SPEntityTO> {
  
      private static final long serialVersionUID = 2400472385439304277L;
  
      protected final SAML2SPEntityRestClient saml2SPEntityRestClient;
  
      public SAML2SPEntityWizardBuilder(
              final SAML2SPEntityTO defaultItem,
              final SAML2SPEntityRestClient saml2SPEntityRestClient,
              final PageReference pageRef) {
  
          super(defaultItem, pageRef);
          this.saml2SPEntityRestClient = saml2SPEntityRestClient;
      }
  
      @Override
      protected Serializable onApplyInternal(final SAML2SPEntityTO modelObject) {
          if (modelObject.getMetadata() != null) {
              modelObject.setMetadata(Base64.getEncoder().encodeToString(
                      modelObject.getMetadata().getBytes(StandardCharsets.UTF_8)));
          }
          saml2SPEntityRestClient.set(modelObject);
          return modelObject;
      }
  
      @Override
      protected WizardModel buildModelSteps(final SAML2SPEntityTO modelObject, final WizardModel wizardModel) {
          if (modelObject.getMetadata() != null) {
              modelObject.setMetadata(new String(Base64.getDecoder().decode(
                      modelObject.getMetadata()), StandardCharsets.UTF_8));
          }
  
          wizardModel.add(new Profile(modelObject, mode == AjaxWizard.Mode.CREATE));
          wizardModel.add(new Metadata(modelObject, pageRef));
          wizardModel.add(new BinaryPem(modelObject, "keystore", pageRef));
          return wizardModel;
      }
  
      protected static class Profile extends WizardStep {
  
          private static final long serialVersionUID = -3043839139187792810L;
  
          Profile(final SAML2SPEntityTO entity, final boolean isNew) {
              AjaxTextFieldPanel key = new AjaxTextFieldPanel(
                      Constants.KEY_FIELD_NAME, Constants.KEY_FIELD_NAME,
                      new PropertyModel<>(entity, Constants.KEY_FIELD_NAME));
              key.addRequiredLabel();
              key.setEnabled(isNew);
              add(key);
          }
      }
  
      protected class BinaryPem extends Pem {
  
          private static final long serialVersionUID = 1L;
  
          public BinaryPem(final SAML2SPEntityTO entity, final String property, final PageReference pageRef) {
              super(property);
  
              add(new BinaryFieldPanel(
                      "content",
                      "",
                      new PropertyModel<>(entity, property),
                      MediaType.APPLICATION_OCTET_STREAM,
                     entity.getKey()) {
 
                 private static final long serialVersionUID = -3268213909514986831L;
 
                 @Override
                 protected PageReference getPageReference() {
                     return pageRef;
                 }
             });
         }
     }
 }