/*
    * SPDX-FileCopyrightText: Copyright (c) 2013-2025 Yegor Bugayenko
    * SPDX-License-Identifier: MIT
    */
   package com.jcabi.github;
   
   import com.jcabi.http.Request;
   import com.jcabi.http.mock.MkAnswer;
   import com.jcabi.http.mock.MkContainer;
  import com.jcabi.http.mock.MkGrizzlyContainer;
  import com.jcabi.http.request.ApacheRequest;
  import jakarta.json.Json;
  import jakarta.json.JsonObject;
  import java.io.IOException;
  import java.net.HttpURLConnection;
  import java.util.Iterator;
  import org.hamcrest.MatcherAssert;
  import org.hamcrest.Matchers;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  
  /**
   * Test case for {@link RtPagination}.
   * @since 0.4
   */
  @ExtendWith(RandomPort.class)
  final class RtPaginationTest {
      /**
       * The rule for skipping test if there's BindException.
       * @checkstyle VisibilityModifierCheck (3 lines)
       */
      @Test
      void jumpNextPage() throws IOException {
          try (
              MkContainer container = new MkGrizzlyContainer().next(
                  RtPaginationTest.simple("Hi Jeff")
                      .withHeader(
                          "Link",
                          "</s?page=3&per_page=100>; rel=\"next\""
                      )
              ).next(RtPaginationTest.simple("Hi Mark"))
                  .start(RandomPort.port())
          ) {
              final Request request = new ApacheRequest(container.home());
              final RtPagination<JsonObject> page = new RtPagination<>(
                  request,
                  object -> object
              );
              final Iterator<JsonObject> iterator = page.iterator();
              MatcherAssert.assertThat(
                  "String does not contain expected value",
                  iterator.next().toString(),
                  Matchers.containsString("Jeff")
              );
              MatcherAssert.assertThat(
                  "String does not contain expected value",
                  iterator.next().toString(),
                  Matchers.containsString("Mark")
              );
              container.stop();
          }
      }
  
      @Test
      void throwsIfNoMoreElement() throws IOException {
          try (
              MkContainer container = new MkGrizzlyContainer()
                  .next(RtPaginationTest.simple("Hi there")).start(RandomPort.port())
          ) {
              final Request request = new ApacheRequest(container.home());
              final RtPagination<JsonObject> page = new RtPagination<>(
                  request,
                  object -> object
              );
              final Iterator<JsonObject> iterator = page.iterator();
              iterator.next();
              Assertions.assertThrows(
                  java.util.NoSuchElementException.class,
                  iterator::next,
                  "Should throw when no more elements"
              );
              container.stop();
          }
      }
  
      /**
       * Create and return MkAnswer.Simple to test.
       * @param msg Message to build MkAnswer.Simple
       * @return MkAnswer.Simple
       */
      private static MkAnswer.Simple simple(final String msg) {
          final String message = Json.createArrayBuilder()
              .add(Json.createObjectBuilder().add("msg", msg))
              .build().toString();
          return new MkAnswer.Simple(HttpURLConnection.HTTP_OK, message);
      }
  }