import 'dart:io';
import 'dart:ui';

import 'package:manager_app/Models/managerContext.dart';
import 'package:manager_app/Screens/Main/main_screen.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'Helpers/FileHelper.dart';
import 'Models/session.dart';
import 'Screens/login_screen.dart';
import 'app_context.dart';
import 'constants.dart';
import 'package:window_size/window_size.dart';

Future<void> main() async {
  String initialRoute;

  WidgetsFlutterBinding.ensureInitialized();
  if (Platform.isWindows) {
    setWindowTitle("Manager");
    setWindowMinSize(Size(1250, 850));
    setWindowMaxSize(Size(3840, 2160));
  }

  initialRoute = '/welcome';

  var session = await loadJsonSessionFile();

  final MyApp myApp = MyApp(
    initialRoute: initialRoute,
    session: session
    //context: localContext,
  );

  runApp(myApp);
}

class MyApp extends StatefulWidget {
  final String initialRoute;
  final Session session;
  final ManagerAppContext managerAppContext;
  MyApp({this.initialRoute, this.session, this.managerAppContext});

  // This widget is the root of your application.
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  Widget build(BuildContext context) {
    return ChangeNotifierProvider<AppContext>(
      create: (_) => AppContext(widget.managerAppContext),
      child: MaterialApp(
          scrollBehavior: MyCustomScrollBehavior(),
          debugShowCheckedModeBanner: false,
          title: 'Manager App Demo',
          initialRoute: widget.initialRoute,
          /*supportedLocales: [
            const Locale('en', 'US'),
            //const Locale('fr', 'FR'),
          ],*/
          theme: ThemeData(
            primarySwatch: Colors.blue,
            scaffoldBackgroundColor: kBackgroundColor,
            //fontFamily: "Vollkorn",
            textTheme: TextTheme(bodyText1: TextStyle(color: kBodyTextColor)),
            visualDensity: VisualDensity.adaptivePlatformDensity,
          ),
          routes: {
            '/welcome': (context) => LoginScreen(session: widget.session),
            '/main': (context) => MainScreen()
          }
      ),
    );
  }
}

Future<Session> loadJsonSessionFile() async {
  Session session = await FileHelper().readSession();
  print(session);
  return session;
}

class MyCustomScrollBehavior extends MaterialScrollBehavior {
  // Override behavior methods and getters like dragDevices
  @override
  Set<PointerDeviceKind> get dragDevices => {
    PointerDeviceKind.touch,
    PointerDeviceKind.mouse,
  };
}