import 'package:manager_api_new/api.dart';
import 'package:mymuseum_visitapp/Models/visitContext.dart';
import 'package:mymuseum_visitapp/Models/AssistantResponse.dart';

class AssistantService {
  final VisitAppContext visitAppContext;
  final List<AiChatMessage> history = [];

  AssistantService({required this.visitAppContext});

  Future<AssistantResponse> chat({
    required String message,
    String? configurationId,
  }) async {
    final request = AiChatRequest(
      message: message,
      instanceId: visitAppContext.instanceId,
      appType: AppType.Mobile,
      configurationId: configurationId,
      language: visitAppContext.language?.toUpperCase() ?? 'FR',
      history: List.from(history),
    );

    final response = await visitAppContext.clientAPI.aiApi!.aiChat(request);

    if (response == null) {
      throw Exception('Empty response from assistant');
    }

    print("AI raw response: reply='${response.reply}' navigation.sectionId='${response.navigation?.sectionId}' navigation.sectionTitle='${response.navigation?.sectionTitle}' navigation.sectionType='${response.navigation?.sectionType}' cards=${response.cards?.length}");

    final result = AssistantResponse(
      reply: response.reply ?? '',
      cards: response.cards
          ?.map((c) => AiCard(
                title: c.title ?? '',
                subtitle: c.subtitle ?? '',
                icon: c.icon,
              ))
          .toList(),
      navigation: response.navigation != null
          ? AssistantNavigationAction(
              sectionId: response.navigation!.sectionId ?? '',
              sectionTitle: response.navigation!.sectionTitle ?? '',
              sectionType: response.navigation!.sectionType ?? '',
              imageUrl: response.navigation!.imageUrl,
            )
          : null,
    );

    history.add(AiChatMessage(role: 'user', content: message));
    history.add(AiChatMessage(role: 'assistant', content: result.reply));
    return result;
  }

  void clearHistory() => history.clear();
}