import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:path_provider/path_provider.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'app.dart';
import 'providers/settings_provider.dart';

const _widgetChannel = MethodChannel('com.fabledapp.fabled_app/widget');

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  final prefs = await SharedPreferences.getInstance();
  final appDir = await getApplicationDocumentsDirectory();

  runApp(
    ProviderScope(
      overrides: [
        sharedPreferencesProvider.overrideWithValue(prefs),
        cookiesPathProvider.overrideWithValue(appDir.path),
      ],
      child: const _WidgetIntentListener(child: FabledApp()),
    ),
  );
}

// Listens for MethodChannel calls from the native Android widget.
class _WidgetIntentListener extends StatefulWidget {
  final Widget child;
  const _WidgetIntentListener({required this.child});

  @override
  State<_WidgetIntentListener> createState() => _WidgetIntentListenerState();
}

class _WidgetIntentListenerState extends State<_WidgetIntentListener> {
  @override
  void initState() {
    super.initState();
    _widgetChannel.setMethodCallHandler((call) async {
      if (call.method == 'openChat') {
        WidgetsBinding.instance.addPostFrameCallback((_) {
          if (context.mounted) {
            Navigator.of(context, rootNavigator: true)
                .pushNamedAndRemoveUntil('/chat', (_) => false);
          }
        });
      }
    });
  }

  @override
  Widget build(BuildContext context) => widget.child;
}