import org.junit.jupiter.api.TestInfo;

/**
 * Tests for ChatClient's extractHistory and buildAssistantHistoryContent methods.
 * Verifies correct behavior across all assistant content modes (full, source_titles,
 * source_titles_and_urls, truncated, none).
 */
public class ChatClientTest extends UnitFessTestCase {

    private TestableChatClient chatClient;

    @Override
    protected void setUp(final TestInfo testInfo) throws Exception {

    /**
     * Builds the assistant message content for history based on the specified mode.
     *
     * @param msg the assistant chat message
     * @param mode the content mode (full, smart_summary, source_titles, source_titles_and_urls, truncated, none)
     * @param assistantMaxChars the maximum characters for truncated mode
     * @param summaryMaxChars the maximum characters for summary modes

    // These test the different history shapes that extractHistory() produces
    // depending on rag.chat.history.assistant.content mode (full, source_titles,
    // source_titles_and_urls, truncated, none).

    @Test
    public void test_buildIntentRequest_noneMode_userOnlyHistory() {
        // When mode=none, extractHistory skips assistant messages,

# Highlight settings for RAG search.
rag.chat.highlight.fragment.size=500
rag.chat.highlight.number.of.fragments=3
# History content mode for assistant messages (full, smart_summary, source_titles, source_titles_and_urls, truncated, none).
rag.chat.history.assistant.content=smart_summary

# Index Export
index.export.path=/var/lib/fess/export
index.export.exclude.fields=cache
index.export.scroll.size=100

     * Get the value for the key 'rag.chat.history.assistant.content'. <br>
     * The value is, e.g. smart_summary <br>
     * comment: History content mode for assistant messages (full, smart_summary, source_titles, source_titles_and_urls, truncated, none).
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getRagChatHistoryAssistantContent();

    /**