import 'package:flutter/foundation.dart';
import 'package:manager_api_new/api.dart';
import 'package:mymuseum_visitapp/Models/visitContext.dart';
import 'package:mymuseum_visitapp/Services/assistantService.dart';
import 'package:mymuseum_visitapp/Services/Glasses/engines/llm_client.dart';

/// Client LLM via backend MyInfoMate (.NET + Gemini Flash).
///
/// Utilise AppType.Voice pour signaler au backend :
/// - Pas de navigation UI (pas de navigate_to_section / navigate_to_configuration)
/// - Pas de show_cards
/// - Prompt audio-friendly : réponses courtes, sans markdown, max 30s à l'oral
class MyInfoMateLlmClient implements LlmClient {
  final VisitAppContext visitAppContext;
  late final AssistantService _service;

  MyInfoMateLlmClient({required this.visitAppContext}) {
    _service = AssistantService(visitAppContext: visitAppContext);
  }

  @override
  Future<String> chat(
    String message, {
    String? configurationId,
    String languageCode = 'FR',
  }) async {
    final cfgId = configurationId ?? visitAppContext.configuration?.id;

    debugPrint('[MyInfoMateLlmClient] chat Voice — instanceId=${visitAppContext.instanceId} '
        'configId=$cfgId lang=$languageCode apiKey=${visitAppContext.apiKey != null ? "set" : "null"}');

    try {
      // AppType.Mobile + isVoice:true → backend adapte le prompt (audio-friendly)
      // sans navigation, sans markdown, dates en toutes lettres
      final response = await _service.chatWithAppType(
        message: message,
        configurationId: cfgId,
        appType: AppType.Mobile,
        isVoice: true,
      );
      return response.reply;
    } catch (e) {
      debugPrint('[MyInfoMateLlmClient] error: $e');
      rethrow;
    }
  }

  @override
  void clearHistory() => _service.clearHistory();
}