import 'dart:convert';

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

class FileUpload {
  String description;
  final String path;

  // media id for identity,
  // gets set after first sucessfully uploading
  Map<String, String> ids = {};

  FileUpload({
    required this.description,
    required this.path,
    this.ids = const {},
  });

  static Future<FileUpload> fromPath(String path, String description) async {
    return FileUpload(
      description: description,
      path: path,
    );
  }

  /*
  sends a media attachments and returns the http status code
  if the status code is 200, the String is the media attachments id,
  otherwise it's the error response 
  */
  Future<MapEntry<int, String>> upload(String identityName) async {
    final identity = global.settings!.identities[identityName]!;
    final headers = {
      ...global.defaultHeaders,
      ...identity.getAuthHeaders(),
    };
    final uri =
        Uri(scheme: "https", host: identity.instanceUrl, path: "/api/v1/media");
    final request = MultipartRequest(
      "POST",
      uri,
    );
    request.headers.addAll(headers);
    request.files.add(await MultipartFile.fromPath(
      "file",
      path,
    ));
    request.fields.addAll({"description": description});
    final response = await http.Response.fromStream(await request.send());
    if (response.statusCode != 200 && response.statusCode != 202) {
      return MapEntry(response.statusCode, jsonDecode(response.body)["error"]);
    }
    return MapEntry(response.statusCode, jsonDecode(response.body)["id"]);
  }
}