// * Service for handling HTTP requests to the backend API
// * Features:
// * - Support for camera trap and excursion data endpoints
// * - Configurable timeouts
// * - Error handling
// * - JSON data formatting

import 'dart:convert';
import 'package:dio/dio.dart';

import 'package:shared_preferences/shared_preferences.dart';

/// Service class for making HTTP requests to the backend
/// Handles both camera trap and excursion data submissions
class HttpRequestService {
  /// Send data to the appropriate backend endpoint
  /// @param saveDataMap Optional map of data to send
  /// @param saveDataString Optional string of data to send
  /// @return Future[int] HTTP status code of the response
  static Future<int> httpRequest({Map<String, String>? saveDataMap, String? saveDataString}) async {
    // print(jsonEncode(place));

    final dio = Dio();
    final SharedPreferences prefs = await SharedPreferences.getInstance();

    dio.options
      ..connectTimeout = const Duration(seconds: 5)
      ..receiveTimeout = const Duration(seconds: 5)
      ..responseType = ResponseType.plain;
    Response response =
        Response(requestOptions: RequestOptions(path: ''), statusCode: 400);


    try {
      // Choose endpoint based on data type (camera trap vs excursion)
      if (saveDataMap != null && saveDataMap.containsKey("CID") || saveDataString != null && saveDataString.contains("CID")) {
        // write username in Sent field
        if (saveDataMap != null) {
          saveDataMap["Sent"] = prefs.getString("addresse1") ?? "";
        } else if (saveDataString != null){
          saveDataString.replaceAll("\"Sent\": \"\"", "\"Sent\": \"${prefs.getString("addresse1")}\"");
        }

        response = await dio.post(prefs.getString('fotofallenApiAddress') ?? "",
            data: saveDataMap == null ? saveDataString : jsonEncode(saveDataMap));
      } else {
        // write username in Sent field

        response = await dio.post(prefs.getString('exkursionenApiAddress') ?? "",
            data: saveDataMap == null ? saveDataString : jsonEncode(saveDataMap));
      }
      return response.statusCode!;
    } on DioException {
      return response.statusCode ?? 400;
    }
  }
}