import 'dart:convert';

import 'package:unit2/utils/request.dart';
import 'package:unit2/utils/urls.dart';

import '../model/profile/attachment.dart';
import 'package:http/http.dart' as http;

class AttachmentServices {
  static final AttachmentServices _instance = AttachmentServices();
  static AttachmentServices get instance => _instance;

  Future<List<AttachmentCategory>> getCategories() async {
    List<AttachmentCategory> attachmentCategories = [];
    String path = Url.instance.attachmentCategories();
    Map<String, String> headers = {
      'Content-Type': 'application/json; charset=UTF-8',
    };
    try {
      http.Response response = await Request.instance
          .getRequest(param: {}, path: path, headers: headers);
      if (response.statusCode == 200) {
        Map data = jsonDecode(response.body);
        for (var cat in data['data']) {
          AttachmentCategory newCat = AttachmentCategory.fromJson(cat);
          attachmentCategories.add(newCat);
        }
      }
    } catch (e) {
      throw e.toString();
    }
    return attachmentCategories;
  }

   Future<Map<dynamic, dynamic>> attachment(
      {required String categoryId,
      required String module,
      required List<String> paths,
      required String token,
      required String profileId}) async {
    String authtoken = "Token $token";
    Map<String, String> headers = {'Authorization': authtoken};
    String path = Url.instance.attachments();
    Map<dynamic, dynamic>? response = {};
    Map<String, String> body = {
      "attachment_category_id": categoryId.toString(),
      "attachment_module": module.toString()
    };

    try {
      var request = http.MultipartRequest(
          'POST', Uri.parse('http://${Url.instance.host()}$path$profileId/'));
      request.fields.addAll(body);
      request.headers.addAll(headers);
      paths.forEach((element) async {
        request.files
            .add(await http.MultipartFile.fromPath('attachments', element));
      });

      http.StreamedResponse res = await request.send();
      final steamResponse = await res.stream.bytesToString();
      Map data = jsonDecode(steamResponse);
      if (res.statusCode == 201) {
        response = data;
      } else {
        String message = data['response']['details'];
        response.addAll({'message': message});
        response.addAll(
          {'success': false},
        );
      }
    } catch (e) {
      throw e.toString();
    }
    return response;
  }
}