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   *  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.causeway.viewer.restfulobjects.test.scenarios.staff;
  
  import java.io.IOException;
  import java.util.Base64;
  
  import jakarta.ws.rs.client.Entity;
  import jakarta.ws.rs.client.Invocation;
  import jakarta.ws.rs.core.Response;
  
  import com.google.gson.GsonBuilder;
  
  import org.approvaltests.Approvals;
  import org.approvaltests.reporters.DiffReporter;
  import org.approvaltests.reporters.UseReporter;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  import org.springframework.transaction.annotation.Propagation;
  
  import org.apache.causeway.applib.services.bookmark.Bookmark;
  import org.apache.causeway.applib.value.Blob;
  import org.apache.causeway.commons.io.DataSource;
  import org.apache.causeway.viewer.restfulobjects.test.scenarios.Abstract_IntegTest;
  
  import lombok.Getter;
  import lombok.SneakyThrows;
  
  public class Staff_lowlevel_v2_IntegTest extends Abstract_IntegTest {
  
      private GsonBuilder gsonBuilder;
  
      @BeforeEach
      void setup() {
          gsonBuilder = new GsonBuilder();
      }
  
      @SneakyThrows
      @Test
      @UseReporter(DiffReporter.class)
      public void createStaffMemberWithPhoto2() {
  
          // given
          final var staffName = "Fred Smith";
  
          final var bookmarkBeforeIfAny = transactionService.callTransactional(Propagation.REQUIRED, () -> {
              final var staffMember = staffMemberRepository.findByName(staffName);
              return bookmarkService.bookmarkFor(staffMember);
          }).valueAsNonNullElseFail();
  
          assertThat(bookmarkBeforeIfAny).isEmpty();
  
          // and given
          final var departmentName = "Classics";
          final var departmentBookmark = transactionService.callTransactional(Propagation.REQUIRED, () -> {
              final var staffMember = departmentRepository.findByName(departmentName);
              return bookmarkService.bookmarkFor(staffMember).orElseThrow();
          }).valueAsNonNullElseFail();
  
          String departmentHref = asRelativeHref(departmentBookmark);
          Invocation.Builder departmentRequest = restfulClient.request(departmentHref);
          Response departmentResponse = departmentRequest.get();
          assertThat(departmentResponse.getStatusInfo().getFamily()).isEqualTo(Response.Status.Family.SUCCESSFUL);
  
          // and given
          final var photoEncoded = readFileAsBlob("StaffMember-photo-Bar.pdf");
  
          // when create request
          final var requestBuilder = restfulClient.request("services/university.dept.Staff/actions/createStaffMemberWithPhoto2/invoke");
  
          final var body = new Body(staffName, asAbsoluteHref(departmentBookmark), photoEncoded);
          final var bodyJson = gsonBuilder.create().toJson(body);
  
          // then
          Approvals.verify(bodyJson, jsonOptions());
  
          // and when send request
          var response = requestBuilder.post(Entity.entity(bodyJson, "application/json"));
  
          // then
          var entity = response.readEntity(String.class);
          assertThat(response.getStatusInfo().getFamily()).isEqualTo(Response.Status.Family.SUCCESSFUL);
          assertThat(response.getStatus()).isEqualTo(Response.Status.OK.getStatusCode());
  
          // and also json response
  
          // and also object is created in database
          final var bookmarkAfterIfAny = transactionService.callTransactional(Propagation.REQUIRED, () -> {
              final var staffMember = staffMemberRepository.findByName(staffName);
              return bookmarkService.bookmarkFor(staffMember);
          }).valueAsNonNullElseFail();
          assertThat(bookmarkAfterIfAny).isNotEmpty();
      }
  
      private String asAbsoluteHref(final Bookmark bookmark) {
          return String.format("%s%s", restfulClient.getConfig().getRestfulBaseUrl(), asRelativeHref(bookmark));
      }
  
      private String asRelativeHref(final Bookmark bookmark) {
          return String.format("objects/%s/%s", bookmark.logicalTypeName(), bookmark.identifier());
      }
  
      private Blob readFileAsBlob(final String fileName) throws IOException {
          var bytes = DataSource.ofResource(Abstract_IntegTest.class, fileName)
                  .bytes();
          return new Blob(fileName, "application/pdf", bytes);
      }
  
      @Getter
      static class Body {
  
          /**
           * @param nameValue
           * @param departmentHrefValue
           * @param blob - is the Blob to be formatted
           */
          Body(final String nameValue, final String departmentHrefValue, final org.apache.causeway.applib.value.Blob blob) {
              name = new Name(nameValue);
              department = new Department(new Department.Value(departmentHrefValue));
              photo = new Blob(new Blob.Value(blob.name(), blob.mimeType().toString(), Base64.getEncoder().encodeToString(blob.bytes())));
          }
  
          private Name name;
          private Department department;
          private Blob photo;
  
          record Name(String value) {
          }
  
          record Department(Value value) {
              record Value(String href) {
              }
          }
  
          record Blob(Value value) {
              record Value(
                      String name,
                      String mimeType,
                      String bytes) {
              }
          }
  
      }
  
  }
  