import org.jspecify.annotations.Nullable;

/**
 * A Bloom filter for instances of {@code T}. A Bloom filter offers an approximate containment test
 * with one-sided error: if it claims that an element is contained in it, this might be in error,
 * but if it claims that an element is <i>not</i> contained in it, then this is definitely true.
 *
 * <p>If you are unfamiliar with Bloom filters, this nice <a

      // uncheckedCastNullableTToT is safe because bufferSize > 0.
      if (comparator.compare(elem, uncheckedCastNullableTToT(threshold)) > 0) {
        threshold = elem;
      }
      // uncheckedCastNullableTToT is safe because bufferSize > 0.
    } else if (comparator.compare(elem, uncheckedCastNullableTToT(threshold)) < 0) {
      // Otherwise, we can ignore elem; we've seen k better elements.
      buffer[bufferSize++] = elem;

  /**
   * Invoked when an event source has been accepted by the remote peer and may begin transmitting
   * events.
   */
  open fun onOpen(
    eventSource: EventSource,
    response: Response,
  ) {
  }

  /**
   * Invoked when a new event has been sent to the client.
   *
   * @param id The `id` line of the event, might be null.
   * @param type The `event` line of the event, might be null.

              protected List<String> create(String[] elements) {
                return new AbstractList<String>() {
                  @Override
                  public int size() {
                    return elements.length;
                  }

                  @Override
                  public String get(int index) {
                    return elements[index];
                  }
                };

    server.enqueue(
      MockResponse
        .Builder()
        .body(
          """
          |data: hey
          |
          |
          """.trimMargin(),
        ).setHeader("content-type", "text/event-stream")
        .build(),
    )
    val request = Request.Builder().url(server.url("/")).build()
    val response = client.newCall(request).execute()
    response.processEventSource(listener)
    listener.assertOpen()

  @AfterEach
  fun after() {
    listener.assertExhausted()
  }

  @Test
  fun event() {
    server.enqueue(
      MockResponse
        .Builder()
        .body(
          """
          |data: hey
          |
          |
          """.trimMargin(),
        ).setHeader("content-type", "text/event-stream")
        .build(),
    )
    val source = newEventSource()

        // 11
        "id\r".encodeUtf8(),
        // 12
        "id\n".encodeUtf8(),
        // 13
        "event: ".encodeUtf8(),
        // 14
        "event:".encodeUtf8(),
        // 15
        "event\r\n".encodeUtf8(),
        // 16
        "event\r".encodeUtf8(),
        // 17
        "event\n".encodeUtf8(),
        // 18
        "retry: ".encodeUtf8(),
        // 19
        "retry:".encodeUtf8(),

      }
    }
  }

  private fun ResponseBody.isEventStream(): Boolean {
    val contentType = contentType() ?: return false
    return contentType.type == "text" && contentType.subtype == "event-stream"
  }

  override fun onFailure(
    call: Call,
    e: IOException,
  ) {
    listener.onFailure(this, e, null)
  }

  override fun request(): Request = request