import jakarta.annotation.PreDestroy;

/**
 * Manager class for chat sessions.
 * Sessions are stored in memory with automatic expiration.
 *
 * <p><b>Note:</b> Sessions are stored in a local in-memory ConcurrentHashMap.
 * In multi-instance deployments (e.g., behind a load balancer), sessions are
 * not shared between instances. Use sticky sessions or an external session
 * store if session affinity across instances is required.</p>
 *

        logger.info("Number of crawling info logs before deletion: {}", sizeBeforeDeletion);

        // Delete all old crawling sessions
        deleteMethod("/api/admin/crawlinginfo/all").then().body("response.status", equalTo(0));
        refresh();

        // Verify all old sessions are deleted (size should be 0 after deletion)
        final List<Map<String, Object>> logListAfter = readCrawlingInfo(webConfigId);

        // Default constructor
    }

    /** The chat client for handling chat operations. */
    @Resource
    protected ChatClient chatClient;

    /** The session manager for managing chat sessions. */
    @Resource
    protected ChatSessionManager chatSessionManager;

    /**
     * Displays the chat page.
     *

 *
 * @author FessProject
 */
public class ChatClient {

    private static final Logger logger = LogManager.getLogger(ChatClient.class);

    /** The session manager for managing chat sessions. */
    @Resource
    protected ChatSessionManager chatSessionManager;

    /** The LLM client manager for language model interactions. */
    @Resource
    protected LlmClientManager llmClientManager;

                }
            }
        }

        /**
         * Deletes old documents from the search index.
         * This method removes documents that were indexed in previous
         * crawling sessions for the same data configuration, keeping
         * only the documents from the current session.
         *
         * <p>The deletion process:</p>
         * <ul>

        indexUpdater.addFinishedSessionId(sessionId);
        assertTrue(indexUpdater.finishedSessionIdList.contains(sessionId));
    }

    // Test addFinishedSessionId with multiple sessions
    @Test
    public void test_addFinishedSessionId_multiple() {
        indexUpdater.addFinishedSessionId("session1");
        indexUpdater.addFinishedSessionId("session2");

                duplicateHostHelper.init();
            } catch (final Exception e) {
                logger.warn("Could not initialize duplicateHostHelper.", e);
            }

            // delete expired sessions
            crawlingInfoService.deleteSessionIdsBefore(options.sessionId, options.name, systemHelper.getCurrentTimeAsLong());

            final List<String> webConfigIdList = options.getWebConfigIdList();