import 'dart:convert';
import 'dart:io';

import 'package:http/http.dart' as http;

import '../../../model/endpoint_data.dart';
import '../../errors/server_exception.dart';
import '../nextcloud_ocs.dart';
import 'autocomplete_response.dart';

class AutocompleteApi {
  /// Searches sharees (users by default). Pass [shareTypes] to widen the search
  /// — e.g. `[0, 1]` for both users and groups (0 = user, 1 = group).
  Future<AutocompleteResponse> find(
    String query, {
    List<int> shareTypes = const [0],
  }) async {
    // NextcloudOcs.uri serialises every query value via `toString()`, which
    // would turn the `shareTypes[]` list into `"[0, 1]"`. Build the Uri here so
    // Dart encodes the list as repeated `shareTypes[]=0&shareTypes[]=1` params.
    final endpoint = EndpointData().nextcloud();
    final uri = Uri.https(
      endpoint.domain,
      '${endpoint.path}/ocs/v2.php/core/autocomplete/get',
      {
        'format': 'json',
        'search': query,
        'itemType': ' ',
        'itemId': ' ',
        'shareTypes[]': shareTypes.map((t) => t.toString()).toList(),
        'limit': '10',
      },
    );
    final response = await http.get(uri, headers: NextcloudOcs.headers());
    if (response.statusCode != HttpStatus.ok) {
      throw ServerException(
        statusCode: response.statusCode,
        technicalDetails: 'core/autocomplete/get: ${response.body}',
      );
    }
    final decoded = jsonDecode(response.body) as Map<String, dynamic>;
    return AutocompleteResponse.fromJson(
      decoded['ocs'] as Map<String, dynamic>,
    );
  }
}