import 'dart:convert';
import 'dart:typed_data';

import 'package:http/http.dart';
import 'package:immich_mobile/domain/models/user.model.dart';
import 'package:immich_mobile/infrastructure/repositories/api.repository.dart';
import 'package:immich_mobile/infrastructure/utils/user.converter.dart';
import 'package:openapi/api.dart';

class UserApiRepository extends ApiRepository {
  final UsersApi _api;
  const UserApiRepository(this._api);

  Future<UserDto?> getMyUser() async {
    final (adminDto, preferenceDto) = await (_api.getMyUser(), _api.getMyPreferences()).wait;
    if (adminDto == null) return null;

    return UserConverter.fromAdminDto(adminDto, preferenceDto);
  }

  Future<String> createProfileImage({required String name, required Uint8List data}) async {
    // Workaround: the autogenerated OpenAPI client forces `Content-Type: multipart/form-data`
    // without a boundary, which can break multer parsing server-side.
    // We bypass `UsersApi.createProfileImage()` and send the multipart request directly,
    // while still reusing the configured basePath + auth headers + http client.
    final apiClient = _api.apiClient;

    final headers = <String, String>{};
    await apiClient.authentication?.applyToParams(<QueryParam>[], headers);
    headers.addAll(apiClient.defaultHeaderMap);
    headers.remove('Content-Type');
    headers.remove('content-type');

    final filename = name.isNotEmpty ? name : 'profile-picture.png';
    final uri = Uri.parse('${apiClient.basePath}/users/profile-image');

    final request = MultipartRequest('POST', uri)
      ..headers.addAll(headers)
      ..files.add(MultipartFile.fromBytes('file', data, filename: filename));

    final streamed = await apiClient.client.send(request);
    final response = await Response.fromStream(streamed);

    if (response.statusCode >= 400) {
      throw ApiException(response.statusCode, response.body);
    }

    final body = jsonDecode(response.body) as Map<String, dynamic>;
    return body['profileImagePath'] as String;
  }

  Future<List<UserDto>> getAll() async {
    final dto = await checkNull(_api.searchUsers());
    return dto.map(UserConverter.fromSimpleUserDto).toList();
  }
}