import "package:flutter/material.dart";
import "package:flutter_secure_storage/flutter_secure_storage.dart";
//import "package:window_manager/window_manager.dart";

import "package:openbills/screens/login.dart";
import "package:openbills/widgets/snackbar.dart";
import "package:openbills/models/instance.dart";

void main() async {
	//WidgetsFlutterBinding.ensureInitialized();
	//await windowManager.ensureInitialized();

	//WindowOptions windowOptions = const WindowOptions(
	//	minimumSize: Size(400, 600),
	//	center: true,
	//	backgroundColor: Colors.transparent,
	//	skipTaskbar: false,
	//	titleBarStyle: TitleBarStyle.normal,
	//);

	//windowManager.waitUntilReadyToShow(windowOptions, () async {
	//	await windowManager.show();
	//	await windowManager.focus();
	//});

  runApp(MaterialApp(
	  title: "OpenBills",
		theme: ThemeData.light(),
		darkTheme: ThemeData.dark(),
		//themeMode: ThemeMode.system,
		themeMode: ThemeMode.dark,
		//home: const HomeScreen(),
		home: const MyApp(),
	));
}

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

	@override
	State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
	final _storage = const FlutterSecureStorage();

	String _authToken = "";
	String _refreshToken = "";
	String _version = "";

	@override
	void initState() {
		super.initState();

		_readAll();
	}

	Future<void> _readAll() async {
		final authToken = await _storage.read(key: "auth_token", aOptions: const AndroidOptions(
			encryptedSharedPreferences: true,
		));
		final refreshToken = await _storage.read(key: "refresh_token", aOptions: const AndroidOptions(
			encryptedSharedPreferences: true,
		));
		final Instance instance = await getInstance("https://openbills.vidhukant.com");

		setState(() {
			if (authToken != null) {
				_authToken = authToken.toString();
			}

			if (refreshToken != null) {
				_refreshToken = refreshToken.toString();
			}

			_version = instance.version;
		});
	}

	@override
	Widget build(BuildContext context) {
		if (_authToken == "") {
			return const LoginScreen();
		} else {
			return Scaffold(
				appBar: AppBar(
					title: const Text("OpenBills Home Screen"),
				),
				body: Padding(
					padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 16),
					child: Column(
						children: <Widget>[
							Text(
								"You are logged into OpenBills $_version!",
								textAlign: TextAlign.center,
								style: const TextStyle(
									fontSize: 30,
									fontWeight: FontWeight.bold,
								),
							),

							const SizedBox(
								height: 50,
							),

							Text(
								"Auth Bearer Token: $_authToken",
							),

							const SizedBox(
								height: 25,
							),

							Text(
								"Refresh Token: $_refreshToken",
							),

							const SizedBox(
								height: 50,
							),

							const Text(
								"Well yeah this doesn't do much but yay this is pretty cool",
							),

							const SizedBox(
								height: 50,
							),

							Row (
								mainAxisAlignment: MainAxisAlignment.end,
								children: <Widget>[
									TextButton(
										child: const Text("Log Out"),
										onPressed: () async {
											await _storage.delete(key: "auth_token");
											await _storage.delete(key: "refresh_token");

											if (context.mounted) {
												MySnackBar.show(context, "You have been logged out.");
											}

											setState(() {
												_authToken = "";
											});
										},
									),
								],
							)
						],
					),
				)
			);
		}
	}
}