import 'dart:convert';
import 'dart:async';
import 'dart:math';
import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:web_socket_channel/io.dart';
import 'package:event_bus/event_bus.dart';
import 'package:flutter/widgets.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:path_provider/path_provider.dart';
import 'package:url_launcher/url_launcher.dart' as urlLauncher;
import 'package:flutter/services.dart';
import 'package:date_format/date_format.dart';
import 'package:http/http.dart' as http;
import 'package:charts_flutter/flutter.dart' as charts;
import 'package:progress_indicators/progress_indicators.dart';
import 'package:flutter_markdown/flutter_markdown.dart';
import 'package:flutter_custom_tabs/flutter_custom_tabs.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:device_info/device_info.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:in_app_purchase/in_app_purchase.dart';
import 'plugins/circular_slider/single_circular_slider.dart';
import 'plugins/dynamic_multi_column_layout.dart';
import 'plugins/spoiler_card.dart';
import 'package:workmanager/workmanager.dart' as workManager;
import 'package:geolocator/geolocator.dart';
import 'package:battery/battery.dart';
import 'package:firebase_crashlytics/firebase_crashlytics.dart';
import 'package:flutter_webview_plugin/flutter_webview_plugin.dart' as standaloneWebview;
import 'package:webview_flutter/webview_flutter.dart';
import 'package:video_player/video_player.dart';

import 'utils/logger.dart';

part 'const.dart';
part 'utils/launcher.dart';
part 'entities/entity.class.dart';
part 'entities/entity_wrapper.class.dart';
part 'entities/timer/timer_entity.class.dart';
part 'entities/switch/switch_entity.class.dart';
part 'entities/button/button_entity.class.dart';
part 'entities/text/text_entity.class.dart';
part 'entities/climate/climate_entity.class.dart';
part 'entities/cover/cover_entity.class.dart';
part 'entities/date_time/date_time_entity.class.dart';
part 'entities/light/light_entity.class.dart';
part 'entities/select/select_entity.class.dart';
part 'entities/sun/sun_entity.class.dart';
part 'entities/sensor/sensor_entity.class.dart';
part 'entities/slider/slider_entity.dart';
part 'entities/media_player/media_player_entity.class.dart';
part 'entities/lock/lock_entity.class.dart';
part 'entities/group/group_entity.class.dart';
part 'entities/fan/fan_entity.class.dart';
part 'entities/automation/automation_entity.class.dart';
part 'entities/camera/camera_entity.class.dart';
part 'entities/alarm_control_panel/alarm_control_panel_entity.class.dart';
part 'entities/badge.widget.dart';
part 'entities/entity_model.widget.dart';
part 'entities/default_entity_container.widget.dart';
part 'entities/missed_entity.widget.dart';
part 'cards/widgets/glance_card_entity_container.dart';
part 'cards/widgets/entity_button_card_body.widget.dart';
part 'pages/widgets/entity_attributes_list.dart';
part 'entities/entity_icon.widget.dart';
part 'entities/entity_name.widget.dart';
part 'pages/widgets/last_updated.dart';
part 'entities/climate/widgets/mode_swicth.dart';
part 'entities/climate/widgets/mode_selector.dart';
part 'entities/universal_slider.widget.dart';
part 'entities/flat_service_button.widget.dart';
part 'entities/light/widgets/light_color_picker.dart';
part 'entities/camera/widgets/camera_stream_view.dart';
part 'entities/entity_colors.class.dart';
part 'plugins/history_chart/entity_history.dart';
part 'plugins/history_chart/simple_state_history_chart.dart';
part 'plugins/history_chart/numeric_state_history_chart.dart';
part 'plugins/history_chart/combined_history_chart.dart';
part 'plugins/history_chart/history_control_widget.dart';
part 'plugins/history_chart/entity_history_moment.dart';
part 'entities/switch/widget/switch_state.dart';
part 'entities/slider/widgets/slider_controls.dart';
part 'entities/text/widgets/text_input_state.dart';
part 'entities/select/widgets/select_state.dart';
part 'entities/simple_state.widget.dart';
part 'entities/entity_picture.widget.dart';
part 'entities/timer/widgets/timer_state.dart';
part 'entities/climate/widgets/climate_state.widget.dart';
part 'entities/cover/widgets/cover_state.dart';
part 'entities/date_time/widgets/date_time_state.dart';
part 'entities/lock/widgets/lock_state.dart';
part 'entities/climate/widgets/climate_controls.dart';
part 'entities/climate/widgets/temperature_control_widget.dart';
part 'entities/cover/widgets/cover_controls.widget.dart';
part 'entities/light/widgets/light_controls.dart';
part 'entities/media_player/widgets/media_player_widgets.dart';
part 'entities/fan/widgets/fan_controls.dart';
part 'entities/alarm_control_panel/widgets/alarm_control_panel_controls.widget.dart';
part 'entities/vacuum/vacuum_entity.class.dart';
part 'entities/vacuum/widgets/vacuum_controls.dart';
part 'entities/vacuum/widgets/vacuum_state_button.dart';
part 'pages/settings.page.dart';
part 'pages/purchase.page.dart';
part 'pages/widgets/product_purchase.widget.dart';
part 'pages/widgets/page_loading_indicator.dart';
part 'pages/widgets/page_loading_error.dart';
part 'pages/panel.page.dart';
part 'pages/main/main.page.dart';
part 'pages/integration_settings.page.dart';
part 'home_assistant.class.dart';
part 'pages/log.page.dart';
part 'pages/entity.page.dart';
part 'utils/mdi.class.dart';
part 'entity_collection.class.dart';
part 'managers/auth_manager.class.dart';
part 'managers/location_manager.class.dart';
part 'managers/mobile_app_integration_manager.class.dart';
part 'managers/connection_manager.class.dart';
part 'managers/device_info_manager.class.dart';
part 'managers/startup_user_messages_manager.class.dart';
part 'ui.dart';
part 'view.class.dart';
part 'cards/card.class.dart';
part 'panels/panel_class.dart';
part 'viewWidget.widget.dart';
part 'cards/card_widget.dart';
part 'cards/widgets/card_header.widget.dart';
part 'panels/config_panel_widget.dart';
part 'panels/widgets/link_to_web_config.dart';
part 'types/ha_error.dart';
part 'types/event_bus_events.dart';
part 'cards/widgets/gauge_card_body.dart';
part 'cards/widgets/light_card_body.dart';
part 'pages/play_media.page.dart';
part 'entities/entity_page_layout.widget.dart';
part 'entities/media_player/widgets/media_player_seek_bar.widget.dart';
part 'entities/media_player/widgets/media_player_progress_bar.widget.dart';
part 'pages/whats_new.page.dart';
part 'pages/fullscreen.page.dart';

EventBus eventBus = new EventBus();
final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin = new FlutterLocalNotificationsPlugin();
const String appName = "HA Client";
const appVersionNumber = "0.8.0-alpha2";
const appVersionAdd = "";
const appVersion = "$appVersionNumber$appVersionAdd";

Future<void> _reportError(dynamic error, dynamic stackTrace) async {
    // Print the exception to the console.
    if (Logger.isInDebugMode) {
      Logger.e('Caught error: $error');
      Logger.p(stackTrace);
    }
    Crashlytics.instance.recordError(error, stackTrace);

}

void main() async {
  Crashlytics.instance.enableInDevMode = true;

  FlutterError.onError = (FlutterErrorDetails details) {
    Logger.e(" Caut Flutter runtime error: ${details.exception}");
    if (Logger.isInDebugMode) {
      FlutterError.dumpErrorToConsole(details);
    }
    Crashlytics.instance.recordFlutterError(details);
  };

  runZoned(() {
      runApp(new HAClientApp());
  }, onError: (error, stack) {
    _reportError(error, stack);
  });
}

class HAClientApp extends StatefulWidget {

  @override
  _HAClientAppState createState() => new _HAClientAppState();

}

class _HAClientAppState extends State<HAClientApp> {
  StreamSubscription<List<PurchaseDetails>> _subscription;
  
  @override
  void initState() {
    InAppPurchaseConnection.enablePendingPurchases();
    final Stream purchaseUpdates =
        InAppPurchaseConnection.instance.purchaseUpdatedStream;
    _subscription = purchaseUpdates.listen((purchases) {
      _handlePurchaseUpdates(purchases);
    });
    workManager.Workmanager.initialize(
      updateDeviceLocationIsolate,
      isInDebugMode: false
    );
    super.initState();
  }

  void _handlePurchaseUpdates(purchase) {
    if (purchase is List<PurchaseDetails>) {
      if (purchase[0].status == PurchaseStatus.purchased) {
        eventBus.fire(ShowPopupMessageEvent(
            title: "Thanks a lot!",
            body: "Thank you for supporting HA Client development!",
            buttonText: "Ok"
        ));
      } else {
        Logger.d("Purchase change handler: ${purchase[0].status}");
      }
    } else {
      Logger.e("Something wrong with purchase handling. Got: $purchase");
    }
  }

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: appName,
      theme: new ThemeData(
        primarySwatch: Colors.blue,
      ),
      initialRoute: "/",
      routes: {
        "/": (context) => MainPage(title: 'HA Client'),
        "/connection-settings": (context) => ConnectionSettingsPage(title: "Settings"),
        "/integration-settings": (context) => IntegrationSettingsPage(title: "Integration settings"),
        "/putchase": (context) => PurchasePage(title: "Support app development"),
        "/play-media": (context) => PlayMediaPage(
          mediaUrl: "${ModalRoute.of(context).settings.arguments != null ? (ModalRoute.of(context).settings.arguments as Map)['url'] : ''}",
          mediaType: "${ModalRoute.of(context).settings.arguments != null ? (ModalRoute.of(context).settings.arguments as Map)['type'] ?? '' : ''}",
        ),
        "/log-view": (context) => LogViewPage(title: "Log"),
        "/webview": (context) => standaloneWebview.WebviewScaffold(
          url: "${(ModalRoute.of(context).settings.arguments as Map)['url']}",
          appBar: new AppBar(
            leading: IconButton(
                icon: Icon(Icons.arrow_back),
                onPressed: () => Navigator.of(context).pop()
            ),
            title: new Text("${(ModalRoute.of(context).settings.arguments as Map)['title']}"),
          ),
        ),
        "/whats-new": (context) => WhatsNewPage(),
        "/auth": (context) => new standaloneWebview.WebviewScaffold(
          url: "${ConnectionManager().oauthUrl}",
          appBar: new AppBar(
            leading: IconButton(
                icon: Icon(Icons.help),
                onPressed: () => Launcher.launchURLInCustomTab(context: context, url: "http://ha-client.app/docs#authentication")
            ),
            title: new Text("Login with HA"),
            actions: <Widget>[
              FlatButton(
                child: Text("Manual", style: TextStyle(color: Colors.white)),
                onPressed: () {
                  eventBus.fire(ShowPageEvent(path: "/connection-settings", goBackFirst: true));
                },
              )
            ],
          ),
        )
      },
    );
  }

  @override
  void dispose() {
    _subscription.cancel();
    super.dispose();
  }
}