import 'dart:async';
import 'dart:io';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
//import 'package:flutter_login_test/openid_browser.dart';
import 'package:openid_client/openid_client.dart';
import 'package:pwa_ios/views/konectarpage.dart';

import 'openid_io.dart' if (dart.library.html) 'openid_browser.dart';

const keycloakUri = 'https://sso.konectar.io/auth/realms/konectar';
const scopes = ['profile'];

late final Client client;

class OpenidScreen extends StatelessWidget {
  OpenidScreen({super.key, this.credential});
  Credential? credential;
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'openid_client demo',
      home: LoginPage(
        title: 'Login',
        credential: credential,
      ),
    );
  }
}

class LoginPage extends StatefulWidget {
  LoginPage({super.key, required this.title, required this.credential});
  Credential? credential;

  final String title;

  @override
  State<LoginPage> createState() => _LoginPageState();
}

class _LoginPageState extends State<LoginPage> {
  UserInfo? userInfo;

  Future<Client> getClient() async {
    var uri = Uri.parse(keycloakUri);
    if (!kIsWeb && Platform.isAndroid)
      uri = uri.replace(host: 'sso.konectar.io');
    var clientId = 'appwildcard';

    var issuer = await Issuer.discover(uri);
    return Client(issuer, clientId);
  }

  _asyncMethod() async {
    client = await getClient();
    var credential = await authenticate(client, scopes: scopes);
    var userInfo = await credential.getUserInfo();
    setState(() {
      this.userInfo = userInfo;
      Timer.run(() {
        // import 'dart:async:
        Navigator.of(context).pushReplacement(
            MaterialPageRoute(builder: (context) => const MyApp()));
      });
    });
  }

  @override
  void initState() {
    if (widget.credential != null) {
      widget.credential!.getUserInfo().then((userInfo) {
        setState(() {
          this.userInfo = userInfo;
//           Timer.run(() { // import 'dart:async:
//   Navigator.of(context).pushNamed('/details');
// });
        });
      });
    } else {
      WidgetsBinding.instance.addPostFrameCallback((_) {
        _asyncMethod();
      });
    }

    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            if (userInfo != null) ...[
              Text('Hello ${userInfo!.name}'),
              Text(userInfo!.email ?? ''),
              OutlinedButton(
                  child: const Text('Logout'),
                  onPressed: () async {
                    setState(() {
                      userInfo = null;
                    });
                  })
            ],
            if (userInfo == null)
              const CircularProgressIndicator(
                backgroundColor: Colors.blue,
                semanticsLabel: 'Please wait..',
              )
            // OutlinedButton(
            //     child: const Text('Login'),
            //     onPressed: () async {
            //       var credential = await authenticate(client, scopes: scopes);
            //       var userInfo = await credential.getUserInfo();
            //       setState(() {
            //         this.userInfo = userInfo;
            //       });
            //     }),
          ],
        ),
      ),
    );
  }
}
// import 'firebase_options.dart';

// Future<void> main() async {
//   WidgetsFlutterBinding.ensureInitialized();
//   // iOS requires you run in release mode to test dynamic links ("flutter run --release").
//   await Firebase.initializeApp(
//       // options: DefaultFirebaseOptions.currentPlatform,
//       );

//   // runApp(
//   //   MaterialApp(
//   //     title: 'Dynamic Links Example',
//   //     routes: <String, WidgetBuilder>{
//   //       '/': (BuildContext context) => _MainScreen(),
//   //       '/helloworld': (BuildContext context) => _DynamicLinkScreen(),
//   //     },
//   //   ),
//   // );

//   runApp(
//     MaterialApp(
//       title: 'Dynamic Links Example',
//       routes: <String, WidgetBuilder>{
//         '/': (BuildContext context) => Login(),
//         '/details': (BuildContext context) => Login(),
//       },
//     ),
//   );

//   //runApp(MaterialApp.router(routerConfig: router));
// }