import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'app.dart';
import 'core/api.dart';
import 'core/config.dart';
import 'core/format.dart';
import 'core/http_api.dart';
import 'core/providers.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  if (AppConfig.unconfigured) debugPrint('SRS: ${AppConfig.setupHint}');
  final Api api = HttpApi(
    baseUrl: AppConfig.apiBaseUrl,
    prefs: await SharedPreferences.getInstance(),
  );

  final user = await api.restore();
  final start = user == null ? dateOnly(api.now) : await _latestOrToday(api);

  runApp(
    ProviderScope(
      overrides: [
        apiProvider.overrideWithValue(api),
        startDateProvider.overrideWithValue(start),
        sessionProvider.overrideWith(() => SessionNotifier(user)),
      ],
      child: const SrsApp(),
    ),
  );
}

Future<DateTime> _latestOrToday(Api api) async {
  try {
    return await api.latestDrawDate();
  } on ApiException {
    return dateOnly(api.now);
  }
}