// SPDX-FileCopyrightText: 2022 Jinsong, Zhu <jasonzjs@amazon.com>
//
// SPDX-License-Identifier: MIT-0

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

import '/app_nav_cubit.dart';
import '/app_navigator.dart';
import '/loading_view.dart';
import '/session/session_cubit.dart';
import '/session/session_state.dart';

class SessionNavigator extends StatelessWidget {
  const SessionNavigator({super.key});

  @override
  Widget build(BuildContext context) {
    return BlocBuilder<SessionCubit, SessionState>(
      builder: (context, state) {
        return Navigator(
          pages: [
            // Show loading screen
            if (state is! Authenticated)
              const MaterialPage(child: LoadingView())

            // Show session flow, managed by AppNavigator.
            else
              MaterialPage(
                child: BlocProvider(
                  create: (context) => AppNavCubit(),
                  child: const AppNavigator(),
                ),
              ),
          ],
          onPopPage: (route, result) => route.didPop(result),
        );
      },
    );
  }
}