mchess-client/lib/pages/prepare_chess_game.dart

import 'dart:developer';

import 'package:flutter/material.dart';
import 'package:mchess/api/register.dart';
import 'package:mchess/pages/chess_game.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';

class PrepareChessGameWidget extends StatelessWidget {
  const PrepareChessGameWidget({super.key});

  @override
  Widget build(BuildContext context) {
    return FutureBuilder(
      future: registerForRandomGame(),
      builder: (context, snapshot) {
        if (snapshot.connectionState == ConnectionState.done) {
          log('future done ${snapshot.data?.playerID}');
          return ChessGame(
            playerID: snapshot.data!.playerID,
            lobbyID: snapshot.data!.lobbyID,
          );
        }
        return const CircularProgressIndicator();
      },
    );
  }

  Future<ResponseFromRegisteringGame> registerForRandomGame() async {
    final response = await http.get(
        Uri.parse('http://localhost:8080/api/random'),
        headers: {"Accept": "application/json"});

    if (response.statusCode == 200) {
      log(response.body);
      return ResponseFromRegisteringGame.fromJson(jsonDecode(response.body));
    } else {
      // If the server did not return a 200 OK response,
      // then throw an exception.
      throw Exception('Failed to register for random game');
    }
  }
}