import 'dart:convert';

import 'package:cwtch/notification_manager.dart';
import 'package:cwtch/views/messageview.dart';
import 'package:cwtch/widgets/rightshiftfixer.dart';
import 'package:flutter/foundation.dart';
import 'package:cwtch/cwtch/ffi.dart';
import 'package:cwtch/cwtch/gomobile.dart';
import 'package:flutter/material.dart';
import 'package:cwtch/errorHandler.dart';
import 'package:cwtch/settings.dart';
import 'package:cwtch/torstatus.dart';
import 'package:cwtch/views/triplecolview.dart';
import 'package:flutter/services.dart';
import 'package:provider/provider.dart';
import 'cwtch/cwtch.dart';
import 'cwtch/cwtchNotifier.dart';
import 'licenses.dart';
import 'model.dart';
import 'views/profilemgrview.dart';
import 'views/splashView.dart';
import 'dart:io' show Platform;
import 'opaque.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';

var globalSettings = Settings(Locale("en", ''), Opaque.dark);
var globalErrorHandler = ErrorHandler();
var globalTorStatus = TorStatus();

void main() {
  LicenseRegistry.addLicense(() => licenses());
  runApp(Flwtch());
}

class Flwtch extends StatefulWidget {
  final Key flwtch = GlobalKey();

  @override
  FlwtchState createState() => FlwtchState();
}

class FlwtchState extends State<Flwtch> {
  final TextStyle biggerFont = const TextStyle(fontSize: 18);
  late Cwtch cwtch;
  bool cwtchInit = false;
  late ProfileInfoState selectedProfile;
  String selectedConversation = "";
  var columns = [1]; // default or 'single column' mode
  //var columns = [1, 1, 2];
  late ProfileListState profs;
  final MethodChannel notificationClickChannel = MethodChannel('im.cwtch.flwtch/notificationClickHandler');
  final GlobalKey<NavigatorState> navKey = GlobalKey<NavigatorState>();

  @override
  initState() {
    super.initState();
    cwtchInit = false;

    profs = ProfileListState();
    notificationClickChannel.setMethodCallHandler(_externalNotificationClicked);

    if (Platform.isAndroid) {
      var cwtchNotifier = new CwtchNotifier(profs, globalSettings, globalErrorHandler, globalTorStatus, NullNotificationsManager());
      cwtch = CwtchGomobile(cwtchNotifier);
    } else if (Platform.isLinux) {
      var cwtchNotifier = new CwtchNotifier(profs, globalSettings, globalErrorHandler, globalTorStatus, LinuxNotificationsManager());
      cwtch = CwtchFfi(cwtchNotifier);
    } else {
      var cwtchNotifier = new CwtchNotifier(profs, globalSettings, globalErrorHandler, globalTorStatus, NullNotificationsManager());
      cwtch = CwtchFfi(cwtchNotifier);
    }

    cwtch.Start();
    setState(() {
      cwtchInit = true;
    });
  }

  ChangeNotifierProvider<TorStatus> getTorStatusProvider() => ChangeNotifierProvider.value(value: globalTorStatus);
  ChangeNotifierProvider<ErrorHandler> getErrorHandlerProvider() => ChangeNotifierProvider.value(value: globalErrorHandler);
  ChangeNotifierProvider<Settings> getSettingsProvider() => ChangeNotifierProvider.value(value: globalSettings);
  Provider<FlwtchState> getFlwtchStateProvider() => Provider<FlwtchState>(create: (_) => this);
  ChangeNotifierProvider<ProfileListState> getProfileListProvider() => ChangeNotifierProvider(create: (context) => profs);

  @override
  Widget build(BuildContext context) {
    //appStatus = AppModel(cwtch: cwtch);
    globalSettings.initPackageInfo();
    return MultiProvider(
      providers: [
        getFlwtchStateProvider(),
        getProfileListProvider(),
        getSettingsProvider(),
        getErrorHandlerProvider(),
        getTorStatusProvider(),
      ],
      builder: (context, widget) {
        return Consumer<Settings>(
          builder: (context, settings, child) => MaterialApp(
            key: Key('app'),
            navigatorKey: navKey,
            locale: settings.locale,
            localizationsDelegates: AppLocalizations.localizationsDelegates,
            supportedLocales: AppLocalizations.supportedLocales,
            title: 'Cwtch',
            theme: mkThemeData(settings),
            home: cwtchInit == true ? (columns.length == 3 ? TripleColumnView() : ShiftRightFixer(child: ProfileMgrView())) : SplashView(),
          ),
        );
      },
    );
  }

  Future<void> _externalNotificationClicked(MethodCall call) async {
      var args = jsonDecode(call.arguments);
      var profile = profs.getProfile(args["ProfileOnion"])!;
      var contact = profile.contactList.getContact(args["RemotePeer"])!;
      contact.unreadMessages = 0;
      navKey.currentState?.push(
        MaterialPageRoute<void>(
          builder: (BuildContext builderContext) {
            return MultiProvider(
              providers: [
                ChangeNotifierProvider.value(value: profile),
                ChangeNotifierProvider.value(value: contact),
              ],
              builder: (context, child) => MessageView(),
            );
          },
        ),
      );
  }

  @override
  void dispose() {
    cwtch.dispose();
    super.dispose();
  }
}