import 'dart:async';

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

import 'profile_screen.dart';
import 'shared_preferences_provider.dart';
import 'status_page.dart';

void main() {
  runApp(
    ChangeNotifierProvider(
      create: (_) => SharedPreferencesProvider(),
      child: const MyApp(),
    ),
  );
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  MyAppState createState() => MyAppState();
}

class MyAppState extends State<MyApp> {
  Future<void>? _prefsReady;

  @override
  void initState() {
    super.initState();
    _prefsReady =
        Provider.of<SharedPreferencesProvider>(context, listen: false).ready;
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Pogdark',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        visualDensity: VisualDensity.adaptivePlatformDensity,
        elevatedButtonTheme: ElevatedButtonThemeData(
          style: ElevatedButton.styleFrom(
            padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(12),
            ),
          ),
        ),
      ),
      home: FutureBuilder(
        future: _prefsReady,
        builder: (context, snapshot) {
          if (snapshot.connectionState == ConnectionState.done) {
            if (Provider.of<SharedPreferencesProvider>(context).getUserName() !=
                '') {
              return const StatusPage();
            } else {
              return const ProfileScreen(isEditing: false);
            }
          } else {
            return const Center(child: CircularProgressIndicator());
          }
        },
      ),
    );
  }
}