import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:provider/provider.dart';

import '../database/app_database.dart';
import '../services/bar_tab_service.dart';
import '../services/default_product_seeder.dart';
import '../services/export_service.dart';
import '../viewmodels/bar_screen_view_model.dart';
import '../viewmodels/product_list_view_model.dart';

/// Kicks off the work that can run after the first frame.
class AppBootstrap extends StatefulWidget {
  final Widget child;

  const AppBootstrap({super.key, required this.child});

  @override
  State<AppBootstrap> createState() => _AppBootstrapState();
}

class _AppBootstrapState extends State<AppBootstrap> {
  @override
  void initState() {
    super.initState();

    WidgetsBinding.instance.addPostFrameCallback((_) {
      if (!mounted) return;

      unawaited(
        DefaultProductSeeder(
          database: context.read<AppDatabase>(),
        ).seedIfEmpty(),
      );

      context.read<ProductListViewModel>().ensureLoaded();
      context.read<BarScreenViewModel>().ensureLoaded();

      unawaited(
        DefaultExportService(
          barTabService: context.read<BarTabService>(),
        ).uploadToServer(),
      );

      unawaited(
        SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky),
      );
    });
  }

  @override
  Widget build(BuildContext context) {
    return widget.child;
  }
}