Build 101

Resolves #347 , Resolves #346 Connection and reconnection
Resolves #340 Connection refactoring
2019-03-29 11:16:04 +02:00 · 2019-03-29 11:04:43 +02:00 · 2019-03-26 00:18:30 +02:00 · 2019-03-22 14:04:20 +02:00 · 2019-03-21 16:55:25 +02:00 · 2019-03-21 14:25:05 +02:00
45 changed files with 883 additions and 549 deletions
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -70,7 +70,10 @@ flutter {
 }

 dependencies {
+    implementation 'com.google.firebase:firebase-core:16.0.8'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
 }
+
+apply plugin: 'com.google.gms.google-services'
--- a/android/app/google-services.json
+++ b/android/app/google-services.json
@@ -0,0 +1,42 @@
+{
+  "project_info": {
+    "project_number": "441874387819",
+    "firebase_url": "https://ha-client-c73c4.firebaseio.com",
+    "project_id": "ha-client-c73c4",
+    "storage_bucket": "ha-client-c73c4.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:441874387819:android:92c7efc892dc3d45",
+        "android_client_info": {
+          "package_name": "com.keyboardcrumbs.haclient"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "441874387819-id0hqsfprj3b5kc312faqv3lmdfpm7l8.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyBsl9cjBY633IrdrTyCsLFlO9lfsYJ0OJU"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 1,
+          "other_platform_oauth_client": []
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -15,7 +15,8 @@
    <application
        android:name="io.flutter.app.FlutterApplication"
        android:label="HA Client"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/ic_launcher"
+        android:usesCleartextTraffic="true">
        <activity
            android:name=".MainActivity"
            android:launchMode="singleTop"
@@ -30,10 +31,14 @@
            <meta-data
                android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
                android:value="true" />
+            <intent-filter>
+                <action android:name="FLUTTER_NOTIFICATION_CLICK" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
    </application>
-</manifest>
+</manifest>
--- a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
--- a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
+++ b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -5,7 +5,8 @@ buildscript {
    }

    dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.3.2'
+        classpath 'com.google.gms:google-services:4.2.0'
    }
 }

--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -2,4 +2,4 @@ org.gradle.jvmargs=-Xmx2g
 org.gradle.daemon=true
 org.gradle.caching=true
 android.useAndroidX=true
-android.enableJetifier=false
+android.enableJetifier=true
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
--- a/images/icon/icon.png
+++ b/images/icon/icon.png
--- a/lib/auth_manager.class.dart
+++ b/lib/auth_manager.class.dart
@@ -0,0 +1,44 @@
+part of 'main.dart';
+
+class AuthManager {
+
+  static final AuthManager _instance = AuthManager._internal();
+
+  factory AuthManager() {
+    return _instance;
+  }
+
+  AuthManager._internal();
+
+  Future getTempToken({String httpWebHost, String oauthUrl}) {
+    Completer completer = Completer();
+    final flutterWebviewPlugin = new FlutterWebviewPlugin();
+    flutterWebviewPlugin.onUrlChanged.listen((String url) {
+      if (url.startsWith("http://ha-client.homemade.systems/service/auth_callback.html")) {
+        String authCode = url.split("=")[1];
+        Logger.d("We have auth code. Getting temporary access token...");
+        Connection().sendHTTPPost(
+            host: httpWebHost,
+            endPoint: "/auth/token",
+            contentType: "application/x-www-form-urlencoded",
+            includeAuthHeader: false,
+            data: "grant_type=authorization_code&code=$authCode&client_id=${Uri.encodeComponent('http://ha-client.homemade.systems/')}"
+        ).then((response) {
+          Logger.d("Gottemp token");
+          String tempToken = json.decode(response)['access_token'];
+          Logger.d("Closing webview...");
+          flutterWebviewPlugin.close();
+          completer.complete(tempToken);
+        }).catchError((e) {
+          flutterWebviewPlugin.close();
+          completer.completeError({"errorCode": 61, "errorMessage": "Error getting temp token"});
+          Logger.e("Error getting temp token: ${e.toString()}");
+        });
+      }
+    });
+    Logger.d("Launching OAuth...");
+    eventBus.fire(StartAuthEvent(oauthUrl));
+    return completer.future;
+  }
+
+}
--- a/lib/connection.class.dart
+++ b/lib/connection.class.dart
@@ -0,0 +1,343 @@
+part of 'main.dart';
+
+class Connection {
+
+  static final Connection _instance = Connection._internal();
+
+  factory Connection() {
+    return _instance;
+  }
+
+  Connection._internal();
+
+  String displayHostname;
+  String _webSocketAPIEndpoint;
+  String httpWebHost;
+  String _token;
+  String _tempToken;
+  String oauthUrl;
+  bool get isAuthenticated => _token != null;
+  StreamSubscription _socketSubscription;
+  Duration connectTimeout = Duration(seconds: 15);
+
+  bool isConnected = false;
+
+  var onStateChangeCallback;
+
+  IOWebSocketChannel _socket;
+
+  int _currentMessageId = 0;
+  Map<String, Completer> _messageResolver = {};
+
+  Future init(onStateChange) async {
+    Completer completer = Completer();
+    onStateChangeCallback = onStateChange;
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    String domain = prefs.getString('hassio-domain');
+    String port = prefs.getString('hassio-port');
+    displayHostname = "$domain:$port";
+    _webSocketAPIEndpoint = "${prefs.getString('hassio-protocol')}://$domain:$port/api/websocket";
+    httpWebHost = "${prefs.getString('hassio-res-protocol')}://$domain:$port";
+    //_token = prefs.getString('hassio-token');
+    final storage = new FlutterSecureStorage();
+    try {
+      _token = await storage.read(key: "hacl_llt");
+    } catch (e) {
+      Logger.e("Cannt read secure storage. Need to relogin.");
+      _token = null;
+      await storage.delete(key: "hacl_llt");
+    }
+    if ((domain == null) || (port == null) ||
+        (domain.length == 0) || (port.length == 0)) {
+      completer.completeError({"errorCode": 5, "errorMessage": "Check connection settings"});
+    } else {
+      oauthUrl = "$httpWebHost/auth/authorize?client_id=${Uri.encodeComponent('http://ha-client.homemade.systems/')}&redirect_uri=${Uri.encodeComponent('http://ha-client.homemade.systems/service/auth_callback.html')}";
+      if (_token == null) {
+        await AuthManager().getTempToken(
+            httpWebHost: httpWebHost,
+            oauthUrl: oauthUrl
+        ).then((token) {
+          Logger.d("Token from AuthManager recived");
+          _tempToken = token;
+        });
+      }
+      _connect().timeout(connectTimeout, onTimeout: () {
+        _disconnect().then((_) {
+          completer.completeError(
+              {"errorCode": 1, "errorMessage": "Connection timeout"});
+        });
+      }).then((_) => completer.complete()).catchError((e) {
+        completer.completeError(e);
+      });
+    }
+    return completer.future;
+  }
+
+  Completer connecting;
+
+  Future _connect() async {
+    if (connecting != null && !connecting.isCompleted) {
+      Logger.w("");
+      return connecting.future;
+    }
+    connecting = Completer();
+    await _disconnect();
+    Logger.d( "Socket connecting...");
+    _socket = IOWebSocketChannel.connect(
+        _webSocketAPIEndpoint, pingInterval: Duration(seconds: 15));
+    _socketSubscription = _socket.stream.listen(
+            (message) {
+          isConnected = true;
+          var data = json.decode(message);
+          if (data["type"] == "auth_required") {
+            Logger.d("[Received] <== ${data.toString()}");
+            _authenticate().then((_) => connecting.complete()).catchError((e) {
+              if (!connecting.isCompleted) connecting.completeError(e);
+            });
+          } else if (data["type"] == "auth_ok") {
+            Logger.d("[Received] <== ${data.toString()}");
+            _messageResolver["auth"]?.complete();
+            _messageResolver.remove("auth");
+            if (!connecting.isCompleted) connecting.complete(sendSocketMessage(
+              type: "subscribe_events",
+              additionalData: {"event_type": "state_changed"},
+            ));
+          } else if (data["type"] == "auth_invalid") {
+            Logger.d("[Received] <== ${data.toString()}");
+            _messageResolver["auth"]?.completeError({"errorCode": 62, "errorMessage": "${data["message"]}"});
+            _messageResolver.remove("auth");
+            logout().then((_) {
+              if (!connecting.isCompleted) connecting.completeError({"errorCode": 62, "errorMessage": "${data["message"]}"});
+            });
+          } else {
+            _handleMessage(data);
+          }
+        },
+        cancelOnError: true,
+        onDone: () => _handleSocketClose(connecting),
+        onError: (e) => _handleSocketError(e, connecting)
+    );
+    return connecting.future;
+  }
+
+  Future _disconnect() async {
+    Logger.d( "Socket disconnecting...");
+    await _socketSubscription?.cancel();
+    await _socket?.sink?.close()?.timeout(Duration(seconds: 4),
+        onTimeout: () => Logger.d( "Socket sink close timeout")
+    );
+    Logger.d( "..Disconnected");
+  }
+
+  _handleMessage(data) {
+    if (data["type"] == "result") {
+      if (data["id"] != null && data["success"]) {
+        Logger.d("[Received] <== Request id ${data['id']} was successful");
+        _messageResolver["${data["id"]}"]?.complete(data["result"]);
+      } else if (data["id"] != null) {
+        Logger.e("[Received] <== Error received on request id ${data['id']}: ${data['error']}");
+        _messageResolver["${data["id"]}"]?.completeError({"errorMessage": "${data['error']["message"]}"});
+      }
+      _messageResolver.remove("${data["id"]}");
+    } else if (data["type"] == "event") {
+      if ((data["event"] != null) && (data["event"]["event_type"] == "state_changed")) {
+        Logger.d("[Received] <== ${data['type']}.${data["event"]["event_type"]}: ${data["event"]["data"]["entity_id"]}");
+        onStateChangeCallback(data["event"]["data"]);
+      } else if (data["event"] != null) {
+        Logger.w("Unhandled event type: ${data["event"]["event_type"]}");
+      } else {
+        Logger.e("Event is null: $data");
+      }
+    } else {
+      Logger.d("[Received unhandled] <== ${data.toString()}");
+    }
+  }
+
+  void _handleSocketClose(Completer connectionCompleter) {
+    isConnected = false;
+    Logger.d("Socket disconnected.");
+    if (!connectionCompleter.isCompleted) {
+      connectionCompleter.completeError({"errorCode": 82, "errorMessage": "Disconnected"});
+    } else {
+      _disconnect().then((_) {
+        Timer(Duration(seconds: 5), () {
+          Logger.d("Trying to reconnect...");
+          _connect();
+        });
+      });
+    }
+  }
+
+  void _handleSocketError(e, Completer connectionCompleter) {
+    isConnected = false;
+    Logger.e("Socket stream Error: $e");
+    if (!connectionCompleter.isCompleted) {
+      connectionCompleter.completeError({"errorCode": 81, "errorMessage": "Unable to connect to Home Assistant"});
+    } else {
+      _disconnect().then((_) {
+        Timer(Duration(seconds: 5), () {
+          Logger.d("Trying to reconnect...");
+          _connect();
+        });
+      });
+    }
+  }
+
+  Future _authenticate() {
+    Completer completer = Completer();
+    if (_token != null) {
+      Logger.d( "Long-lived token exist");
+      Logger.d( "[Sending] ==> auth request");
+      sendSocketMessage(
+          type: "auth",
+          additionalData: {"access_token": "$_token"},
+          auth: true
+      ).then((_) {
+        completer.complete();
+      }).catchError((e) => completer.completeError(e));
+    } else if (_tempToken != null) {
+      Logger.d("We have temp token. Loging in...");
+      sendSocketMessage(
+          type: "auth",
+          additionalData: {"access_token": "$_tempToken"},
+          auth: true
+      ).then((_) {
+        Logger.d("Requesting long-lived token...");
+        _getLongLivedToken().then((_) {
+          completer.complete();
+        }).catchError((e) {
+          Logger.e("Can't get long-lived token: $e");
+          throw e;
+        });
+      }).catchError((e) => completer.completeError(e));
+    } else {
+      completer.completeError({"errorCode": 63, "errorMessage": "General login error"});
+    }
+    return completer.future;
+  }
+
+  Future logout() {
+    _token = null;
+    _tempToken = null;
+    final storage = new FlutterSecureStorage();
+    return storage.delete(key: "hacl_llt");
+  }
+
+  Future _getLongLivedToken() {
+    Completer completer = Completer();
+    sendSocketMessage(type: "auth/long_lived_access_token", additionalData: {"client_name": "HA Client app ${DateTime.now().millisecondsSinceEpoch}", "lifespan": 365}).then((data) {
+      Logger.d("Got long-lived token.");
+      _token = data;
+      _tempToken = null;
+      final storage = new FlutterSecureStorage();
+      storage.write(key: "hacl_llt", value: "$_token").then((_) {
+        completer.complete();
+      }).catchError((e) {
+        throw e;
+      });
+    }).catchError((e) {
+      logout();
+      completer.completeError({"errorCode": 63, "errorMessage": "Authentication error: $e"});
+    });
+    return completer.future;
+  }
+
+  Future sendSocketMessage({String type, Map additionalData, bool auth: false}) {
+    Completer _completer = Completer();
+    Map dataObject = {"type": "$type"};
+    String callbackName;
+    if (!auth) {
+      _incrementMessageId();
+      dataObject["id"] = _currentMessageId;
+      callbackName = "$_currentMessageId";
+    } else {
+      callbackName = "auth";
+    }
+    if (additionalData != null) {
+      dataObject.addAll(additionalData);
+    }
+    _messageResolver[callbackName] = _completer;
+    String rawMessage = json.encode(dataObject);
+    Logger.d("[Sending] ==> $rawMessage");
+    if (!isConnected) {
+      _connect().timeout(connectTimeout, onTimeout: (){
+        _completer.completeError({"errorCode": 8, "errorMessage": "No connection to Home Assistant"});
+      }).then((_) {
+        _socket.sink.add(rawMessage);
+      }).catchError((e) {
+        _completer.completeError(e);
+      });
+    } else {
+      _socket.sink.add(rawMessage);
+    }
+    return _completer.future;
+  }
+
+  void _incrementMessageId() {
+    _currentMessageId += 1;
+  }
+
+  Future callService({String domain, String service, String entityId, Map additionalServiceData}) {
+    Map serviceData = {};
+    if (entityId != null) {
+      serviceData["entity_id"] = entityId;
+    }
+    if (additionalServiceData != null && additionalServiceData.isNotEmpty) {
+      serviceData.addAll(additionalServiceData);
+    }
+    if (serviceData.isNotEmpty)
+      return sendSocketMessage(type: "call_service", additionalData: {"domain": domain, "service": service, "service_data": serviceData});
+    else
+      return sendSocketMessage(type: "call_service", additionalData: {"domain": domain, "service": service});
+  }
+
+  Future<List> getHistory(String entityId) async {
+    DateTime now = DateTime.now();
+    //String endTime = formatDate(now, [yyyy, '-', mm, '-', dd, 'T', HH, ':', nn, ':', ss, z]);
+    String startTime = formatDate(now.subtract(Duration(hours: 24)), [yyyy, '-', mm, '-', dd, 'T', HH, ':', nn, ':', ss, z]);
+    String url = "$httpWebHost/api/history/period/$startTime?&filter_entity_id=$entityId";
+    Logger.d("[Sending] ==> $url");
+    http.Response historyResponse;
+    historyResponse = await http.get(url, headers: {
+      "authorization": "Bearer $_token",
+      "Content-Type": "application/json"
+    });
+    var history = json.decode(historyResponse.body);
+    if (history is List) {
+      Logger.d( "[Received] <== ${history.first.length} history recors");
+      return history;
+    } else {
+      return [];
+    }
+  }
+
+  Future sendHTTPPost({String host, String endPoint, String data, String contentType: "application/json", bool includeAuthHeader: true, String authToken}) async {
+    Completer completer = Completer();
+    String url = "$host$endPoint";
+    Logger.d("[Sending] ==> $url");
+    Map<String, String> headers = {};
+    if (contentType != null) {
+      headers["Content-Type"] = contentType;
+    }
+    if (includeAuthHeader) {
+      headers["authorization"] = "Bearer $authToken";
+    }
+    http.post(
+        url,
+        headers: headers,
+        body: data
+    ).then((response) {
+      Logger.d("[Received] <== ${response.statusCode}, ${response.body}");
+      if (response.statusCode == 200) {
+        completer.complete(response.body);
+      } else {
+        completer.completeError({"code": response.statusCode, "message": "${response.body}"});
+      }
+    }).catchError((e) {
+      completer.completeError(e);
+    });
+
+    return completer.future;
+  }
+
+}
--- a/lib/entity_class/alarm_control_panel.class.dart
+++ b/lib/entity_class/alarm_control_panel.class.dart
@@ -1,7 +1,8 @@
 part of '../main.dart';

 class AlarmControlPanelEntity extends Entity {
-  AlarmControlPanelEntity(Map rawData) : super(rawData);
+  AlarmControlPanelEntity(Map rawData, String webHost) : super(rawData, webHost);
+

  @override
  Widget _buildAdditionalControlsForPage(BuildContext context) {
--- a/lib/entity_class/automation_entity.dart
+++ b/lib/entity_class/automation_entity.dart
@@ -1,7 +1,8 @@
 part of '../main.dart';

 class AutomationEntity extends Entity {
-  AutomationEntity(Map rawData) : super(rawData);
+  AutomationEntity(Map rawData, String webHost) : super(rawData, webHost);
+

  @override
  Widget _buildStatePart(BuildContext context) {
--- a/lib/entity_class/button_entity.class.dart
+++ b/lib/entity_class/button_entity.class.dart
@@ -1,7 +1,8 @@
 part of '../main.dart';

 class ButtonEntity extends Entity {
-  ButtonEntity(Map rawData) : super(rawData);
+  ButtonEntity(Map rawData, String webHost) : super(rawData, webHost);
+

  @override
  Widget _buildStatePart(BuildContext context) {
--- a/lib/entity_class/camera_entity.class.dart
+++ b/lib/entity_class/camera_entity.class.dart
@@ -4,7 +4,7 @@ class CameraEntity extends Entity {

  static const SUPPORT_ON_OFF = 1;

-  CameraEntity(Map rawData) : super(rawData);
+  CameraEntity(Map rawData, String webHost) : super(rawData, webHost);

  bool get supportOnOff => ((supportedFeatures &
  CameraEntity.SUPPORT_ON_OFF) ==
--- a/lib/entity_class/climate_entity.class.dart
+++ b/lib/entity_class/climate_entity.class.dart
@@ -23,6 +23,8 @@ class ClimateEntity extends Entity {
  static const SUPPORT_AUX_HEAT = 2048;
  static const SUPPORT_ON_OFF = 4096;

+  ClimateEntity(Map rawData, String webHost) : super(rawData, webHost);
+
  bool get supportTargetTemperature => ((supportedFeatures &
  ClimateEntity.SUPPORT_TARGET_TEMPERATURE) ==
      ClimateEntity.SUPPORT_TARGET_TEMPERATURE);
@@ -88,11 +90,9 @@ class ClimateEntity extends Entity {
  bool get isOff => state == EntityState.off;
  bool get auxHeat => attributes['aux_heat'] == "on";

-  ClimateEntity(Map rawData) : super(rawData);
-
  @override
-  void update(Map rawData) {
-    super.update(rawData);
+  void update(Map rawData, String webHost) {
+    super.update(rawData, webHost);
    if (supportTargetTemperature) {
      historyConfig.numericAttributesToShow.add("temperature");
    }
--- a/lib/entity_class/cover_entity.class.dart
+++ b/lib/entity_class/cover_entity.class.dart
@@ -11,6 +11,8 @@ class CoverEntity extends Entity {
  static const SUPPORT_STOP_TILT = 64;
  static const SUPPORT_SET_TILT_POSITION = 128;

+  CoverEntity(Map rawData, String webHost) : super(rawData, webHost);
+
  bool get supportOpen => ((supportedFeatures &
  CoverEntity.SUPPORT_OPEN) ==
      CoverEntity.SUPPORT_OPEN);
@@ -45,8 +47,6 @@ class CoverEntity extends Entity {
  bool get canTiltBeOpened => currentTiltPosition < 100;
  bool get canTiltBeClosed => currentTiltPosition > 0;

-  CoverEntity(Map rawData) : super(rawData);
-
  @override
  Widget _buildStatePart(BuildContext context) {
    return CoverStateWidget();
--- a/lib/entity_class/date_time_entity.class.dart
+++ b/lib/entity_class/date_time_entity.class.dart
@@ -1,6 +1,8 @@
 part of '../main.dart';

 class DateTimeEntity extends Entity {
+  DateTimeEntity(Map rawData, String webHost) : super(rawData, webHost);
+
  bool get hasDate => attributes["has_date"] ?? false;
  bool get hasTime => attributes["has_time"] ?? false;
  int get year => attributes["year"] ?? 1970;
@@ -12,8 +14,6 @@ class DateTimeEntity extends Entity {
  String get formattedState => _getFormattedState();
  DateTime get dateTimeState => _getDateTimeState();

-  DateTimeEntity(Map rawData) : super(rawData);
-
  @override
  Widget _buildStatePart(BuildContext context) {
    return DateTimeStateWidget();
--- a/lib/entity_class/entity.class.dart
+++ b/lib/entity_class/entity.class.dart
@@ -73,6 +73,7 @@ class Entity {
  Map attributes;
  String domain;
  String entityId;
+  String entityPicture;
  String state;
  String displayState;
  DateTime _lastUpdated;
@@ -94,7 +95,6 @@ class Entity {
  bool get isBadge => Entity.badgeDomains.contains(domain);
  String get icon => attributes["icon"] ?? "";
  bool get isOn => state == EntityState.on;
-  String get entityPicture => _getEntityPictureUrl();
  String get unitOfMeasurement => attributes["unit_of_measurement"] ?? "";
  List get childEntityIds => attributes["entity_id"] ?? [];
  String get lastUpdated => _getLastUpdatedFormatted();
@@ -102,21 +102,21 @@ class Entity {
  double get doubleState => double.tryParse(state) ?? 0.0;
  int get supportedFeatures => attributes["supported_features"] ?? 0;

-  String _getEntityPictureUrl() {
+  String _getEntityPictureUrl(String webHost) {
    String result = attributes["entity_picture"];
    if (result == null) return result;
    if (!result.startsWith("http")) {
      if (result.startsWith("/")) {
-        result = "$homeAssistantWebHost$result";
+        result = "$webHost$result";
      } else {
-        result = "$homeAssistantWebHost/$result";
+        result = "$webHost/$result";
      }
    }
    return result;
  }

-  Entity(Map rawData) {
-    update(rawData);
+  Entity(Map rawData, String webHost) {
+    update(rawData, webHost);
  }

  Entity.missed(String entityId) {
@@ -148,7 +148,7 @@ class Entity {
    attributes = {"hidden": false, "friendly_name": "${name ?? url}", "icon": "${icon ?? 'mdi:link'}"};
  }

-  void update(Map rawData) {
+  void update(Map rawData, String webHost) {
    attributes = rawData["attributes"] ?? {};
    domain = rawData["entity_id"].split(".")[0];
    entityId = rawData["entity_id"];
@@ -156,6 +156,7 @@ class Entity {
    state = rawData["state"];
    displayState = Entity.StateByDeviceClass["$deviceClass.$state"] ?? state;
    _lastUpdated = DateTime.tryParse(rawData["last_updated"]);
+    entityPicture = _getEntityPictureUrl(webHost);
  }

  double _getDoubleAttributeValue(String attributeName) {
--- a/lib/entity_class/fan_entity.class.dart
+++ b/lib/entity_class/fan_entity.class.dart
@@ -6,7 +6,7 @@ class FanEntity extends Entity {
  static const SUPPORT_OSCILLATE = 2;
  static const SUPPORT_DIRECTION = 4;

-  FanEntity(Map rawData) : super(rawData);
+  FanEntity(Map rawData, String webHost) : super(rawData, webHost);

  bool get supportSetSpeed => ((supportedFeatures &
  FanEntity.SUPPORT_SET_SPEED) ==
--- a/lib/entity_class/group_entity.class.dart
+++ b/lib/entity_class/group_entity.class.dart
@@ -1,12 +1,13 @@
 part of '../main.dart';

 class GroupEntity extends Entity {
-  GroupEntity(Map rawData) : super(rawData);

  final List<String> _domainsForSwitchableGroup = ["switch", "light", "automation", "input_boolean"];
  String mutualDomain;
  bool switchable = false;

+  GroupEntity(Map rawData, String webHost) : super(rawData, webHost);
+
  @override
  Widget _buildStatePart(BuildContext context) {
    if (switchable) {
@@ -19,8 +20,8 @@ class GroupEntity extends Entity {
  }

  @override
-  void update(Map rawData) {
-    super.update(rawData);
+  void update(Map rawData, String webHost) {
+    super.update(rawData, webHost);
    if (_isOneDomain()) {
      mutualDomain = attributes['entity_id'][0].split(".")[0];
      switchable = _domainsForSwitchableGroup.contains(mutualDomain);
--- a/lib/entity_class/light_entity.class.dart
+++ b/lib/entity_class/light_entity.class.dart
@@ -42,7 +42,7 @@ class LightEntity extends Entity {
  bool get isAdditionalControls => ((supportedFeatures != null) && (supportedFeatures != 0));
  List<String> get effectList => getStringListAttributeValue("effect_list");

-  LightEntity(Map rawData) : super(rawData);
+  LightEntity(Map rawData, String webHost) : super(rawData, webHost);

  HSVColor _getColor() {
    List hs = attributes["hs_color"];
--- a/lib/entity_class/lock_entity.class.dart
+++ b/lib/entity_class/lock_entity.class.dart
@@ -1,7 +1,7 @@
 part of '../main.dart';

 class LockEntity extends Entity {
-  LockEntity(Map rawData) : super(rawData);
+  LockEntity(Map rawData, String webHost) : super(rawData, webHost);

  bool get isLocked => state == "locked";

--- a/lib/entity_class/media_player_entity.class.dart
+++ b/lib/entity_class/media_player_entity.class.dart
@@ -20,7 +20,7 @@ class MediaPlayerEntity extends Entity {
  static const SUPPORT_SHUFFLE_SET = 32768;
  static const SUPPORT_SELECT_SOUND_MODE = 65536;

-  MediaPlayerEntity(Map rawData) : super(rawData);
+  MediaPlayerEntity(Map rawData, String webHost) : super(rawData, webHost);

  bool get supportPause => ((supportedFeatures &
  MediaPlayerEntity.SUPPORT_PAUSE) ==
--- a/lib/entity_class/other_entity.class.dart
+++ b/lib/entity_class/other_entity.class.dart
@@ -1,7 +1,7 @@
 part of '../main.dart';

 class SunEntity extends Entity {
-  SunEntity(Map rawData) : super(rawData);
+  SunEntity(Map rawData, String webHost) : super(rawData, webHost);
 }

 class SensorEntity extends Entity {
@@ -12,6 +12,6 @@ class SensorEntity extends Entity {
      numericState: true
  );

-  SensorEntity(Map rawData) : super(rawData);
+  SensorEntity(Map rawData, String webHost) : super(rawData, webHost);

 }
--- a/lib/entity_class/select_entity.class.dart
+++ b/lib/entity_class/select_entity.class.dart
@@ -5,7 +5,7 @@ class SelectEntity extends Entity {
      ? (attributes["options"] as List).cast<String>()
      : [];

-  SelectEntity(Map rawData) : super(rawData);
+  SelectEntity(Map rawData, String webHost) : super(rawData, webHost);

  @override
  Widget _buildStatePart(BuildContext context) {
--- a/lib/entity_class/slider_entity.dart
+++ b/lib/entity_class/slider_entity.dart
@@ -1,7 +1,7 @@
 part of '../main.dart';

 class SliderEntity extends Entity {
-  SliderEntity(Map rawData) : super(rawData);
+  SliderEntity(Map rawData, String webHost) : super(rawData, webHost);

  double get minValue => _getDoubleAttributeValue("min") ?? 0.0;
  double get maxValue =>_getDoubleAttributeValue("max") ?? 100.0;
--- a/lib/entity_class/switch_entity.class.dart
+++ b/lib/entity_class/switch_entity.class.dart
@@ -1,7 +1,7 @@
 part of '../main.dart';

 class SwitchEntity extends Entity {
-  SwitchEntity(Map rawData) : super(rawData);
+  SwitchEntity(Map rawData, String webHost) : super(rawData, webHost);

  @override
  Widget _buildStatePart(BuildContext context) {
--- a/lib/entity_class/text_entity.class.dart
+++ b/lib/entity_class/text_entity.class.dart
@@ -1,7 +1,7 @@
 part of '../main.dart';

 class TextEntity extends Entity {
-  TextEntity(Map rawData) : super(rawData);
+  TextEntity(Map rawData, String webHost) : super(rawData, webHost);

  int get valueMinLength => attributes["min"] ?? -1;
  int get valueMaxLength => attributes["max"] ?? -1;
--- a/lib/entity_class/timer_entity.dart
+++ b/lib/entity_class/timer_entity.dart
@@ -1,30 +1,39 @@
 part of '../main.dart';

 class TimerEntity extends Entity {
-  TimerEntity(Map rawData) : super(rawData);
+  TimerEntity(Map rawData, String webHost) : super(rawData, webHost);

  Duration duration;

  @override
-  void update(Map rawData) {
-    super.update(rawData);
+  void update(Map rawData, String webHost) {
+    super.update(rawData, webHost);
    String durationSource = "${attributes["duration"]}";
-    List<String> durationList = durationSource.split(":");
-    if (durationList.length == 1) {
-      duration = Duration(seconds: int.tryParse(durationList[0] ?? 0));
-    } else if (durationList.length == 2) {
-      duration = Duration(
-          hours: int.tryParse(durationList[0]) ?? 0,
-          minutes: int.tryParse(durationList[1]) ?? 0
-      );
-    } else if (durationList.length == 3) {
-      duration = Duration(
-          hours: int.tryParse(durationList[0]) ?? 0,
-          minutes: int.tryParse(durationList[1]) ?? 0,
-        seconds: int.tryParse(durationList[2]) ?? 0
-      );
+    if (durationSource != null && durationSource.isNotEmpty) {
+      try {
+        List<String> durationList = durationSource.split(":");
+        if (durationList.length == 1) {
+          duration = Duration(seconds: int.tryParse(durationList[0] ?? 0));
+        } else if (durationList.length == 2) {
+          duration = Duration(
+              hours: int.tryParse(durationList[0]) ?? 0,
+              minutes: int.tryParse(durationList[1]) ?? 0
+          );
+        } else if (durationList.length == 3) {
+          duration = Duration(
+              hours: int.tryParse(durationList[0]) ?? 0,
+              minutes: int.tryParse(durationList[1]) ?? 0,
+              seconds: int.tryParse(durationList[2]) ?? 0
+          );
+        } else {
+          Logger.e("Strange $entityId duration format: $durationSource");
+          duration = Duration(seconds: 0);
+        }
+      } catch (e) {
+        Logger.e("Error parsing duration for $entityId: ${e.toString()}");
+        duration = Duration(seconds: 0);
+      }
    } else {
-      Logger.e("Cann't parse $entityId duration: $durationSource");
      duration = Duration(seconds: 0);
    }
  }
--- a/lib/entity_collection.class.dart
+++ b/lib/entity_collection.class.dart
@@ -2,13 +2,15 @@ part of 'main.dart';

 class EntityCollection {

+  final homeAssistantWebHost;
+
  Map<String, Entity> _allEntities;
  //Map<String, Entity> views;

  bool get isEmpty => _allEntities.isEmpty;
  List<Entity> get viewEntities => _allEntities.values.where((entity) => entity.isView).toList();

-  EntityCollection() {
+  EntityCollection(this.homeAssistantWebHost) {
    _allEntities = {};
    //views = {};
  }
@@ -33,70 +35,74 @@ class EntityCollection {
    });
  }

+  void clear() {
+    _allEntities.clear();
+  }
+
  Entity _createEntityInstance(rawEntityData) {
    switch (rawEntityData["entity_id"].split(".")[0]) {
      case 'sun': {
-        return SunEntity(rawEntityData);
+        return SunEntity(rawEntityData, homeAssistantWebHost);
      }
      case "media_player": {
-        return MediaPlayerEntity(rawEntityData);
+        return MediaPlayerEntity(rawEntityData, homeAssistantWebHost);
      }
      case 'sensor': {
-        return SensorEntity(rawEntityData);
+        return SensorEntity(rawEntityData, homeAssistantWebHost);
      }
      case 'lock': {
-        return LockEntity(rawEntityData);
+        return LockEntity(rawEntityData, homeAssistantWebHost);
      }
      case "automation": {
-        return AutomationEntity(rawEntityData);
+        return AutomationEntity(rawEntityData, homeAssistantWebHost);
      }

      case "input_boolean":
      case "switch": {
-        return SwitchEntity(rawEntityData);
+        return SwitchEntity(rawEntityData, homeAssistantWebHost);
      }
      case "light": {
-        return LightEntity(rawEntityData);
+        return LightEntity(rawEntityData, homeAssistantWebHost);
      }
      case "group": {
-        return GroupEntity(rawEntityData);
+        return GroupEntity(rawEntityData, homeAssistantWebHost);
      }
      case "script":
      case "scene": {
-        return ButtonEntity(rawEntityData);
+        return ButtonEntity(rawEntityData, homeAssistantWebHost);
      }
      case "input_datetime": {
-        return DateTimeEntity(rawEntityData);
+        return DateTimeEntity(rawEntityData, homeAssistantWebHost);
      }
      case "input_select": {
-        return SelectEntity(rawEntityData);
+        return SelectEntity(rawEntityData, homeAssistantWebHost);
      }
      case "input_number": {
-        return SliderEntity(rawEntityData);
+        return SliderEntity(rawEntityData, homeAssistantWebHost);
      }
      case "input_text": {
-        return TextEntity(rawEntityData);
+        return TextEntity(rawEntityData, homeAssistantWebHost);
      }
      case "climate": {
-        return ClimateEntity(rawEntityData);
+        return ClimateEntity(rawEntityData, homeAssistantWebHost);
      }
      case "cover": {
-        return CoverEntity(rawEntityData);
+        return CoverEntity(rawEntityData, homeAssistantWebHost);
      }
      case "fan": {
-        return FanEntity(rawEntityData);
+        return FanEntity(rawEntityData, homeAssistantWebHost);
      }
      case "camera": {
-        return CameraEntity(rawEntityData);
+        return CameraEntity(rawEntityData, homeAssistantWebHost);
      }
      case "alarm_control_panel": {
-        return AlarmControlPanelEntity(rawEntityData);
+        return AlarmControlPanelEntity(rawEntityData, homeAssistantWebHost);
      }
      case "timer": {
-        return TimerEntity(rawEntityData);
+        return TimerEntity(rawEntityData, homeAssistantWebHost);
      }
      default: {
-        return Entity(rawEntityData);
+        return Entity(rawEntityData, homeAssistantWebHost);
      }
    }
  }
@@ -121,7 +127,7 @@ class EntityCollection {
  }

  void updateFromRaw(Map rawEntityData) {
-    get("${rawEntityData["entity_id"]}")?.update(rawEntityData);
+    get("${rawEntityData["entity_id"]}")?.update(rawEntityData, homeAssistantWebHost);
  }

  Entity get(String entityId) {
--- a/lib/entity_widgets/common/camera_stream_view.dart
+++ b/lib/entity_widgets/common/camera_stream_view.dart
@@ -16,6 +16,7 @@ class _CameraStreamViewState extends State<CameraStreamView> {
  }

  CameraEntity _entity;
+  String _webHost;

  http.Client client;
  http.StreamedResponse response;
@@ -28,7 +29,7 @@ class _CameraStreamViewState extends State<CameraStreamView> {
  void _connect() async {
    started = true;
    timeToStop = false;
-    String streamUrl = '$homeAssistantWebHost/api/camera_proxy_stream/${_entity.entityId}?token=${_entity.attributes['access_token']}';
+    String streamUrl = '$_webHost/api/camera_proxy_stream/${_entity.entityId}?token=${_entity.attributes['access_token']}';
    client = new http.Client(); // create a client to make api calls
    http.Request request = new http.Request("GET", Uri.parse(streamUrl));  // create get request
    Logger.d("[Sending] ==> $streamUrl");
@@ -130,6 +131,7 @@ class _CameraStreamViewState extends State<CameraStreamView> {
          .of(context)
          .entityWrapper
          .entity;
+      _webHost = HomeAssistantModel.of(context).homeAssistant.connection.httpWebHost;
      _connect();
    }

--- a/lib/entity_widgets/controls/media_player_widgets.dart
+++ b/lib/entity_widgets/controls/media_player_widgets.dart
@@ -73,7 +73,7 @@ class MediaPlayerWidget extends StatelessWidget {

  Widget _buildImage(MediaPlayerEntity entity) {
    String state = entity.state;
-    if (homeAssistantWebHost != null && entity.entityPicture != null && state != EntityState.off && state != EntityState.unavailable && state != EntityState.idle) {
+    if (entity.entityPicture != null && state != EntityState.off && state != EntityState.unavailable && state != EntityState.idle) {
      return Container(
        color: Colors.black,
        child: Row(
--- a/lib/entity_widgets/history_chart/entity_history.dart
+++ b/lib/entity_widgets/history_chart/entity_history.dart
@@ -47,7 +47,7 @@ class _EntityHistoryWidgetState extends State<EntityHistoryWidget> {
    }
    if (_historyLastUpdated == null || now.difference(_historyLastUpdated).inSeconds > 30) {
      _historyLastUpdated = now;
-      ha.getHistory(entityId).then((history){
+      ha.connection.getHistory(entityId).then((history){
        if (!_disposed) {
          setState(() {
            _history = history.isNotEmpty ? history[0] : [];
--- a/lib/home_assistant.class.dart
+++ b/lib/home_assistant.class.dart
@@ -1,37 +1,27 @@
 part of 'main.dart';

 class HomeAssistant {
-  String _webSocketAPIEndpoint;
-  String _password;
+
+  final Connection connection = Connection();
+
  bool _useLovelace = false;
+  //bool isSettingsLoaded = false;
+
+

-  IOWebSocketChannel _hassioChannel;
-  SendMessageQueue _messageQueue;

-  int _currentMessageId = 0;
-  int _subscriptionMessageId = 0;
-  Map<int, Completer> _messageResolver = {};
  EntityCollection entities;
  HomeAssistantUI ui;
  Map _instanceConfig = {};
  String _userName;
+  String hostname;
  HSVColor savedColor;

  Map _rawLovelaceData;

  List<Panel> panels = [];

-  Completer _fetchCompleter;
-  Completer _connectionCompleter;
-  Timer _connectionTimer;
-  Timer _fetchTimer;
-  bool autoReconnect = false;
-
-  StreamSubscription _socketSubscription;
-
-  int messageExpirationTime = 30; //seconds
  Duration fetchTimeout = Duration(seconds: 30);
-  Duration connectTimeout = Duration(seconds: 15);

  String get locationName {
    if (_useLovelace) {
@@ -42,117 +32,39 @@ class HomeAssistant {
  }
  String get userName => _userName ?? locationName;
  String get userAvatarText => userName.length > 0 ? userName[0] : "";
+  bool get isNoEntities => entities == null || entities.isEmpty;
+  bool get isNoViews => ui == null || ui.isEmpty;
  //int get viewsCount => entities.views.length ?? 0;

-  HomeAssistant() {
-    entities = EntityCollection();
-    _messageQueue = SendMessageQueue(messageExpirationTime);
+  HomeAssistant();
+
+  Completer _connectCompleter;
+
+  Future init() {
+    if (_connectCompleter != null && !_connectCompleter.isCompleted) {
+      Logger.w("Previous connection pending...");
+      return _connectCompleter.future;
+    }
+    Logger.d("init...");
+    _connectCompleter = Completer();
+    connection.init(_handleEntityStateChange).then((_) {
+      SharedPreferences.getInstance().then((prefs) {
+        if (entities == null) entities = EntityCollection(connection.httpWebHost);
+        _useLovelace = prefs.getBool('use-lovelace') ?? true;
+        _connectCompleter.complete();
+      }).catchError((e) => _connectCompleter.completeError(e));
+    }).catchError((e) => _connectCompleter.completeError(e));
+    return _connectCompleter.future;
  }

-  void updateSettings(String url, String password, bool useLovelace) {
-    _webSocketAPIEndpoint = url;
-    _password = password;
-    _useLovelace = useLovelace;
-    Logger.d( "Use lovelace is $_useLovelace");
-  }
+  Completer _fetchCompleter;

  Future fetch() {
-    if ((_fetchCompleter != null) && (!_fetchCompleter.isCompleted)) {
-      Logger.w("Previous fetch is not complited");
-    } else {
-      _fetchCompleter = new Completer();
-      _fetchTimer = Timer(fetchTimeout, () {
-        Logger.e( "Data fetching timeout");
-        disconnect().then((_) {
-          _completeFetching({
-            "errorCode": 9,
-            "errorMessage": "Couldn't get data from server"
-          });
-        });
-      });
-      _connection().then((r) {
-        _getData();
-      }).catchError((e) {
-        _completeFetching(e);
-      });
+    if (_fetchCompleter != null && !_fetchCompleter.isCompleted) {
+      Logger.w("Previous data fetch is not completed yet");
+      return _fetchCompleter.future;
    }
-    return _fetchCompleter.future;
-  }
-
-  disconnect() async {
-    if ((_hassioChannel != null) && (_hassioChannel.closeCode == null) && (_hassioChannel.sink != null)) {
-      await _hassioChannel.sink.close().timeout(Duration(seconds: 3),
-        onTimeout: () => Logger.d( "Socket sink closed")
-      );
-      await _socketSubscription.cancel();
-      _hassioChannel = null;
-    }
-
-  }
-
-  Future _connection() {
-    if ((_connectionCompleter != null) && (!_connectionCompleter.isCompleted)) {
-      Logger.d("Previous connection is not complited");
-    } else {
-      if ((_hassioChannel == null) || (_hassioChannel.closeCode != null)) {
-        _connectionCompleter = new Completer();
-        autoReconnect = false;
-        disconnect().then((_){
-          Logger.d( "Socket connecting...");
-          _connectionTimer = Timer(connectTimeout, () {
-            Logger.e( "Socket connection timeout");
-            _handleSocketError(null);
-          });
-          if (_socketSubscription != null) {
-            _socketSubscription.cancel();
-          }
-          _hassioChannel = IOWebSocketChannel.connect(
-              _webSocketAPIEndpoint, pingInterval: Duration(seconds: 30));
-          _socketSubscription = _hassioChannel.stream.listen(
-                  (message) => _handleMessage(message),
-              cancelOnError: true,
-              onDone: () => _handleSocketClose(),
-              onError: (e) => _handleSocketError(e)
-          );
-        });
-      } else {
-        _completeConnecting(null);
-      }
-    }
-    return _connectionCompleter.future;
-  }
-
-  void _handleSocketClose() {
-    Logger.d("Socket disconnected. Automatic reconnect is $autoReconnect");
-    if (autoReconnect) {
-      _reconnect();
-    }
-  }
-
-  void _handleSocketError(e) {
-    Logger.e("Socket stream Error: $e");
-    Logger.d("Automatic reconnect is $autoReconnect");
-    if (autoReconnect) {
-      _reconnect();
-    } else {
-      disconnect().then((_) {
-        _completeConnecting({
-          "errorCode": 1,
-          "errorMessage": "Couldn't connect to Home Assistant. Check network connection or connection settings."
-        });
-      });
-    }
-  }
-
-  void _reconnect() {
-    disconnect().then((_) {
-      _connection().catchError((e){
-        _completeConnecting(e);
-      });
-    });
-  }
-
-  _getData() async {
+    _fetchCompleter = Completer();
    List<Future> futures = [];
    futures.add(_getStates());
    if (_useLovelace) {
@@ -162,194 +74,76 @@ class HomeAssistant {
    futures.add(_getServices());
    futures.add(_getUserInfo());
    futures.add(_getPanels());
-    try {
-      await Future.wait(futures);
+    Future.wait(futures).then((_) {
      _createUI();
-      _completeFetching(null);
-    } catch (error) {
-      _completeFetching(error);
-    }
+      _fetchCompleter.complete();
+    }).catchError((e) {
+      _fetchCompleter.completeError(e);
+    });
+    return _fetchCompleter.future;
  }

-  void _completeFetching(error) {
-    _fetchTimer.cancel();
-    _completeConnecting(error);
-    if (!_fetchCompleter.isCompleted) {
-      if (error != null) {
-        _fetchCompleter.completeError(error);
-      } else {
-        autoReconnect = true;
-        Logger.d( "Fetch complete successful");
-        _fetchCompleter.complete();
-      }
-    }
-  }
-
-  void _completeConnecting(error) {
-    _connectionTimer.cancel();
-    if (!_connectionCompleter.isCompleted) {
-      if (error != null) {
-        _connectionCompleter.completeError(error);
-      } else {
-        _connectionCompleter.complete();
-      }
-    } else if (error != null) {
-      if (error is Error) {
-        eventBus.fire(ShowErrorEvent(error.toString(), 12));
-      } else {
-        eventBus.fire(ShowErrorEvent(error["errorMessage"], error["errorCode"]));
-      }
-
-    }
-  }
-
-  _handleMessage(String message) {
-    var data = json.decode(message);
-    if (data["type"] == "auth_required") {
-      _sendAuthMessage('{"type": "auth","access_token": "$_password"}');
-    } else if (data["type"] == "auth_ok") {
-      _completeConnecting(null);
-      _sendSubscribe();
-    } else if (data["type"] == "auth_invalid") {
-      _completeConnecting({"errorCode": 6, "errorMessage": "${data["message"]}"});
-    } else if (data["type"] == "result") {
-      Logger.d("[Received] <== id:${data["id"]}, ${data['success'] ? 'success' : 'error'}");
-      _messageResolver[data["id"]]?.complete(data);
-      _messageResolver.remove(data["id"]);
-    } else if (data["type"] == "event") {
-      if ((data["event"] != null) && (data["event"]["event_type"] == "state_changed")) {
-        Logger.d("[Received] <== ${data['type']}.${data["event"]["event_type"]}: ${data["event"]["data"]["entity_id"]}");
-        _handleEntityStateChange(data["event"]["data"]);
-      } else if (data["event"] != null) {
-        Logger.w("Unhandled event type: ${data["event"]["event_type"]}");
-      } else {
-        Logger.e("Event is null: $message");
-      }
-    } else {
-      Logger.w("Unknown message type: $message");
-    }
-  }
-
-  void _sendSubscribe() {
-    _incrementMessageId();
-    _subscriptionMessageId = _currentMessageId;
-    _send('{"id": $_subscriptionMessageId, "type": "subscribe_events", "event_type": "state_changed"}', false);
+  Future logout() async {
+    Logger.d("Logging out...");
+    await connection.logout().then((_) {
+      ui?.clear();
+      entities?.clear();
+    });
  }

  Future _getConfig() async {
-    await _sendInitialMessage("get_config").then((data) => _instanceConfig = Map.from(data["result"]));
+    await connection.sendSocketMessage(type: "get_config").then((data) {
+      _instanceConfig = Map.from(data);
+    }).catchError((e) {
+      throw {"errorCode": 1, "errorMessage": "Error getting config: $e"};
+    });
  }

  Future _getStates() async {
-    await _sendInitialMessage("get_states").then((data) => entities.parse(data["result"]));
+    await connection.sendSocketMessage(type: "get_states").then(
+            (data) => entities.parse(data)
+    ).catchError((e) {
+      throw {"errorCode": 1, "errorMessage": "Error getting states: $e"};
+    });
  }

  Future _getLovelace() async {
-    await _sendInitialMessage("lovelace/config").then((data) => _rawLovelaceData = data["result"]);
+    await connection.sendSocketMessage(type: "lovelace/config").then((data) => _rawLovelaceData = data).catchError((e) {
+      throw {"errorCode": 1, "errorMessage": "Error getting lovelace config: $e"};
+    });
  }

  Future _getUserInfo() async {
    _userName = null;
-    await _sendInitialMessage("auth/current_user").then((data) => _userName = data["result"]["name"]);
+    await connection.sendSocketMessage(type: "auth/current_user").then((data) => _userName = data["name"]).catchError((e) {
+      Logger.w("Can't get user info: ${e}");
+    });
  }

  Future _getServices() async {
-    await _sendInitialMessage("get_services").then((data) => Logger.d("We actually don`t need the list of servcies for now"));
+    await connection.sendSocketMessage(type: "get_services").then((data) => Logger.d("Services received")).catchError((e) {
+      Logger.w("Can't get services: ${e}");
+    });
  }

  Future _getPanels() async {
    panels.clear();
-    await _sendInitialMessage("get_panels").then((data) {
-      if (data["success"]) {
-        data["result"].forEach((k,v) {
-            String title = v['title'] == null ? "${k[0].toUpperCase()}${k.substring(1)}" : "${v['title'][0].toUpperCase()}${v['title'].substring(1)}";
-            panels.add(Panel(
-                id: k,
-                type: v["component_name"],
-                title: title,
-                urlPath: v["url_path"],
-                config: v["config"],
-                icon: v["icon"]
-            )
-            );
-        });
-      }
-    });
-  }
-
-  _incrementMessageId() {
-    _currentMessageId += 1;
-  }
-
-  void _sendAuthMessage(String message) {
-    Logger.d( "[Sending] ==> auth request");
-    _hassioChannel.sink.add(message);
-  }
-
-  Future _sendInitialMessage(String type) {
-    Completer _completer = Completer();
-    _incrementMessageId();
-    _messageResolver[_currentMessageId] = _completer;
-    _send('{"id": $_currentMessageId, "type": "$type"}', false);
-    return _completer.future;
-  }
-
-  _send(String message, bool queued) {
-    var sendCompleter = Completer();
-    if (queued) _messageQueue.add(message);
-    _connection().then((r) {
-      _messageQueue.getActualMessages().forEach((message){
-        Logger.d( "[Sending queued] ==> $message");
-        _hassioChannel.sink.add(message);
+    await connection.sendSocketMessage(type: "get_panels").then((data) {
+      data.forEach((k,v) {
+        String title = v['title'] == null ? "${k[0].toUpperCase()}${k.substring(1)}" : "${v['title'][0].toUpperCase()}${v['title'].substring(1)}";
+        panels.add(Panel(
+            id: k,
+            type: v["component_name"],
+            title: title,
+            urlPath: v["url_path"],
+            config: v["config"],
+            icon: v["icon"]
+        )
+        );
      });
-      if (!queued) {
-        Logger.d( "[Sending] ==> $message");
-        _hassioChannel.sink.add(message);
-      }
-      sendCompleter.complete();
-    }).catchError((e){
-      sendCompleter.completeError(e);
+    }).catchError((e) {
+      throw {"errorCode": 1, "errorMessage": "Error getting panels list: $e"};
    });
-    return sendCompleter.future;
-  }
-
-  Future callService(String domain, String service, String entityId, Map<String, dynamic> additionalParams) {
-    _incrementMessageId();
-    String message = "";
-    if (entityId != null) {
-      message = '{"id": $_currentMessageId, "type": "call_service", "domain": "$domain", "service": "$service", "service_data": {"entity_id": "$entityId"';
-      if (additionalParams != null) {
-        additionalParams.forEach((name, value) {
-          if ((value is double) || (value is int) || (value is List)) {
-            message += ', "$name" : $value';
-          } else {
-            message += ', "$name" : "$value"';
-          }
-        });
-      }
-      message += '}}';
-    } else {
-      message = '{"id": $_currentMessageId, "type": "call_service", "domain": "$domain", "service": "$service"';
-      if (additionalParams != null && additionalParams.isNotEmpty) {
-        message += ', "service_data": {';
-        bool first = true;
-        additionalParams.forEach((name, value) {
-          if (!first) {
-            message += ', ';
-          }
-          if ((value is double) || (value is int) || (value is List)) {
-            message += '"$name" : $value';
-          } else {
-            message += '"$name" : "$value"';
-          }
-          first = false;
-        });
-
-        message += '}';
-      }
-      message += '}';
-    }
-    return _send(message, true);
  }

  void _handleEntityStateChange(Map eventData) {
@@ -555,31 +349,12 @@ class HomeAssistant {
    }
  }

-  Widget buildViews(BuildContext context, bool lovelace, TabController tabController) {
+  Widget buildViews(BuildContext context, TabController tabController) {
    return ui.build(context, tabController);
  }
-
-  Future<List> getHistory(String entityId) async {
-    DateTime now = DateTime.now();
-    //String endTime = formatDate(now, [yyyy, '-', mm, '-', dd, 'T', HH, ':', nn, ':', ss, z]);
-    String startTime = formatDate(now.subtract(Duration(hours: 24)), [yyyy, '-', mm, '-', dd, 'T', HH, ':', nn, ':', ss, z]);
-    String url = "$homeAssistantWebHost/api/history/period/$startTime?&filter_entity_id=$entityId";
-    Logger.d("[Sending] ==> $url");
-    http.Response historyResponse;
-    historyResponse = await http.get(url, headers: {
-        "authorization": "Bearer $_password",
-        "Content-Type": "application/json"
-    });
-    var history = json.decode(historyResponse.body);
-    if (history is List) {
-      Logger.d( "[Received] <== ${history.first.length} history recors");
-      return history;
-    } else {
-      return [];
-    }
-  }
 }

+/*
 class SendMessageQueue {
  int _messageTimeout;
  List<HAMessage> _queue = [];
@@ -618,4 +393,4 @@ class HAMessage {
  bool isExpired() {
    return DateTime.now().difference(_timeStamp).inSeconds > _messageTimeout;
  }
-}
+}*/
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -17,6 +17,9 @@ import 'package:progress_indicators/progress_indicators.dart';
 import 'package:flutter_markdown/flutter_markdown.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:flutter_custom_tabs/flutter_custom_tabs.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
+import 'package:flutter_webview_plugin/flutter_webview_plugin.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';

 part 'entity_class/const.dart';
 part 'entity_class/entity.class.dart';
@@ -87,6 +90,8 @@ part 'entity.page.dart';
 part 'utils.class.dart';
 part 'mdi.class.dart';
 part 'entity_collection.class.dart';
+part 'auth_manager.class.dart';
+part 'connection.class.dart';
 part 'ui_class/ui.dart';
 part 'ui_class/view.class.dart';
 part 'ui_class/card.class.dart';
@@ -100,9 +105,7 @@ part 'ui_widgets/config_panel_widget.dart';

 EventBus eventBus = new EventBus();
 const String appName = "HA Client";
-const appVersion = "0.5.0";
-
-String homeAssistantWebHost;
+const appVersion = "0.6.0-alpha1";

 void main() {
  FlutterError.onError = (errorDetails) {
@@ -124,6 +127,8 @@ void main() {
 }

 class HAClientApp extends StatelessWidget {
+
+  final HomeAssistant homeAssistant = HomeAssistant();
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
@@ -134,7 +139,7 @@ class HAClientApp extends StatelessWidget {
      ),
      initialRoute: "/",
      routes: {
-        "/": (context) => MainPage(title: 'HA Client'),
+        "/": (context) => MainPage(title: 'HA Client', homeAssistant: homeAssistant,),
        "/connection-settings": (context) => ConnectionSettingsPage(title: "Settings"),
        "/configuration": (context) => PanelPage(title: "Configuration"),
        "/log-view": (context) => LogViewPage(title: "Log")
@@ -144,82 +149,84 @@ class HAClientApp extends StatelessWidget {
 }

 class MainPage extends StatefulWidget {
-  MainPage({Key key, this.title}) : super(key: key);
+  MainPage({Key key, this.title, this.homeAssistant}) : super(key: key);

  final String title;
+  final HomeAssistant homeAssistant;

  @override
  _MainPageState createState() => new _MainPageState();
 }

 class _MainPageState extends State<MainPage> with WidgetsBindingObserver, TickerProviderStateMixin {
-  HomeAssistant _homeAssistant;
-  //Map _instanceConfig;
-  String _webSocketApiEndpoint;
-  String _password;
-  //int _uiViewsCount = 0;
-  String _instanceHost;
+
  StreamSubscription _stateSubscription;
  StreamSubscription _settingsSubscription;
  StreamSubscription _serviceCallSubscription;
  StreamSubscription _showEntityPageSubscription;
  StreamSubscription _showErrorSubscription;
-  bool _settingsLoaded = false;
-  bool _accountMenuExpanded = false;
-  bool _useLovelaceUI;
+  StreamSubscription _startAuthSubscription;
+  StreamSubscription _reloadUISubscription;
  int _previousViewCount;
+  //final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();

  @override
  void initState() {
    super.initState();
-    _settingsLoaded = false;
+    //widget.homeAssistant = HomeAssistant();
+    //_settingsLoaded = false;
    WidgetsBinding.instance.addObserver(this);

-    Logger.d("<!!!> Creating new HomeAssistant instance");
-    _homeAssistant = HomeAssistant();
-
    _settingsSubscription = eventBus.on<SettingsChangedEvent>().listen((event) {
      Logger.d("Settings change event: reconnect=${event.reconnect}");
      if (event.reconnect) {
-        _homeAssistant.disconnect().then((_){
-          _initialLoad();
-        });
+        _reLoad();
      }
    });
+
    _initialLoad();
  }

  void _initialLoad() {
-    _loadConnectionSettings().then((_){
-      _subscribe();
-      _refreshData();
-    }, onError: (_) {
-      _showErrorBottomBar(message: _, errorCode: 5);
+    _showInfoBottomBar(progress: true,);
+    _subscribe();
+    widget.homeAssistant.init().then((_){
+      _fetchData();
+    }, onError: (e) {
+      _setErrorState(e);
    });
  }

+  void _reLoad() {
+    _hideBottomBar();
+    _showInfoBottomBar(progress: true,);
+    widget.homeAssistant.init().then((_){
+      _fetchData();
+    }, onError: (e) {
+      _setErrorState(e);
+    });
+  }
+
+  _fetchData() async {
+    await widget.homeAssistant.fetch().then((_) {
+      _hideBottomBar();
+      int currentViewCount = widget.homeAssistant.ui?.views?.length ?? 0;
+      if (_previousViewCount != currentViewCount) {
+        Logger.d("Views count changed ($_previousViewCount->$currentViewCount). Creating new tabs controller.");
+        _viewsTabController = TabController(vsync: this, length: currentViewCount);
+        _previousViewCount = currentViewCount;
+      }
+    }).catchError((e) {
+      _setErrorState(e);
+    });
+    eventBus.fire(RefreshDataFinishedEvent());
+  }
+
  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    Logger.d("$state");
-    if (state == AppLifecycleState.resumed && _settingsLoaded) {
-      _refreshData();
-    }
-  }
-
-  _loadConnectionSettings() async {
-    SharedPreferences prefs = await SharedPreferences.getInstance();
-    String domain = prefs.getString('hassio-domain');
-    String port = prefs.getString('hassio-port');
-    _instanceHost = "$domain:$port";
-    _webSocketApiEndpoint = "${prefs.getString('hassio-protocol')}://$domain:$port/api/websocket";
-    homeAssistantWebHost = "${prefs.getString('hassio-res-protocol')}://$domain:$port";
-    _password = prefs.getString('hassio-password');
-    _useLovelaceUI = prefs.getBool('use-lovelace') ?? true;
-    if ((domain == null) || (port == null) || (_password == null) ||
-        (domain.length == 0) || (port.length == 0) || (_password.length == 0)) {
-      throw("Check connection settings");
-    } else {
-      _settingsLoaded = true;
+    if (state == AppLifecycleState.resumed) {
+      _reLoad();
    }
  }

@@ -228,12 +235,17 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
      _stateSubscription = eventBus.on<StateChangedEvent>().listen((event) {
        if (event.needToRebuildUI) {
          Logger.d("New entity. Need to rebuild UI");
-          _refreshData();
+          _reLoad();
        } else {
          setState(() {});
        }
      });
    }
+    if (_reloadUISubscription == null) {
+      _reloadUISubscription = eventBus.on<ReloadUIEvent>().listen((event){
+        _reLoad();
+      });
+    }
    if (_serviceCallSubscription == null) {
      _serviceCallSubscription =
          eventBus.on<ServiceCallEvent>().listen((event) {
@@ -254,24 +266,51 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
        _showErrorBottomBar(message: event.text, errorCode: event.errorCode);
      });
    }
+
+    if (_startAuthSubscription == null) {
+      _startAuthSubscription = eventBus.on<StartAuthEvent>().listen((event){
+        _showOAuth();
+      });
+    }
+
+
+
+    /*_firebaseMessaging.getToken().then((String token) {
+      //Logger.d("FCM token: $token");
+      widget.homeAssistant.sendHTTPPost(
+          endPoint: '/api/notify.fcm-android',
+          jsonData:  '{"token": "$token"}'
+      );
+    });
+    _firebaseMessaging.configure(
+        onLaunch: (data) {
+          Logger.d("Notification [onLaunch]: $data");
+        },
+        onMessage: (data) {
+          Logger.d("Notification [onMessage]: $data");
+        },
+        onResume: (data) {
+          Logger.d("Notification [onResume]: $data");
+        }
+    );*/
  }

-  _refreshData() async {
-    _homeAssistant.updateSettings(_webSocketApiEndpoint, _password, _useLovelaceUI);
-    _hideBottomBar();
-    _showInfoBottomBar(progress: true,);
-    await _homeAssistant.fetch().then((result) {
-      _hideBottomBar();
-      int currentViewCount = _homeAssistant.ui?.views?.length ?? 0;
-      if (_previousViewCount != currentViewCount) {
-        Logger.d("Views count changed ($_previousViewCount->$currentViewCount). Creating new tabs controller.");
-        _viewsTabController = TabController(vsync: this, length: currentViewCount);
-        _previousViewCount = currentViewCount;
-      }
-    }).catchError((e) {
-      _setErrorState(e);
-    });
-    eventBus.fire(RefreshDataFinishedEvent());
+  void _showOAuth() {
+    Navigator.push(
+        context,
+        MaterialPageRoute(
+          builder: (context) => WebviewScaffold(
+            url: "${widget.homeAssistant.connection.oauthUrl}",
+            appBar: new AppBar(
+              leading: IconButton(
+                  icon: Icon(Icons.help),
+                  onPressed: () => HAUtils.launchURLInCustomTab(context, "http://ha-client.homemade.systems/docs#authentication")
+              ),
+              title: new Text("Login to your Home Assistant"),
+            ),
+          ),
+        )
+    );
  }

  _setErrorState(e) {
@@ -279,7 +318,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
      Logger.e(e.toString());
      Logger.e("${e.stackTrace}");
      _showErrorBottomBar(
-          message: "There was some error",
+          message: "Unknown error",
          errorCode: 13
      );
    } else {
@@ -290,19 +329,19 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
    }
  }

-  void _callService(String domain, String service, String entityId, Map<String, dynamic> additionalParams) {
+  void _callService(String domain, String service, String entityId, Map additionalParams) {
    _showInfoBottomBar(
      message: "Calling $domain.$service",
      duration: Duration(seconds: 3)
    );
-    _homeAssistant.callService(domain, service, entityId, additionalParams).catchError((e) => _setErrorState(e));
+    widget.homeAssistant.connection.callService(domain: domain, service: service, entityId: entityId, additionalServiceData: additionalParams).catchError((e) => _setErrorState(e));
  }

  void _showEntityPage(String entityId) {
    Navigator.push(
        context,
        MaterialPageRoute(
-          builder: (context) => EntityViewPage(entityId: entityId, homeAssistant: _homeAssistant),
+          builder: (context) => EntityViewPage(entityId: entityId, homeAssistant: widget.homeAssistant),
        )
    );
  }
@@ -310,8 +349,8 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
  List<Tab> buildUIViewTabs() {
    List<Tab> result = [];

-      if (_homeAssistant.ui.views.isNotEmpty) {
-        _homeAssistant.ui.views.forEach((HAView view) {
+      if (widget.homeAssistant.ui.views.isNotEmpty) {
+        widget.homeAssistant.ui.views.forEach((HAView view) {
          result.add(view.buildTab());
        });
      }
@@ -323,16 +362,16 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
    List<Widget> menuItems = [];
    menuItems.add(
        UserAccountsDrawerHeader(
-          accountName: Text(_homeAssistant.userName),
-          accountEmail: Text(_instanceHost ?? "Not configured"),
-          onDetailsPressed: () {
+          accountName: Text(widget.homeAssistant.userName),
+          accountEmail: Text(widget.homeAssistant.hostname ?? "Not configured"),
+          /*onDetailsPressed: () {
            setState(() {
              _accountMenuExpanded = !_accountMenuExpanded;
            });
-          },
+          },*/
          currentAccountPicture: CircleAvatar(
            child: Text(
-              _homeAssistant.userAvatarText,
+              widget.homeAssistant.userAvatarText,
              style: TextStyle(
                  fontSize: 32.0
              ),
@@ -340,21 +379,8 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
          ),
        )
    );
-    if (_accountMenuExpanded) {
-      menuItems.addAll([
-        ListTile(
-          leading: Icon(Icons.settings),
-          title: Text("Settings"),
-          onTap: () {
-            Navigator.of(context).pop();
-            Navigator.of(context).pushNamed('/connection-settings');
-          },
-        ),
-        Divider(),
-      ]);
-    } else {
-      if (_homeAssistant != null && _homeAssistant.panels.isNotEmpty) {
-        _homeAssistant.panels.forEach((Panel panel) {
+      if (widget.homeAssistant.panels.isNotEmpty) {
+        widget.homeAssistant.panels.forEach((Panel panel) {
          if (!panel.isHidden) {
            menuItems.add(
                new ListTile(
@@ -365,16 +391,28 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
            );
          }
        });
-        menuItems.addAll([
+      }
+      //TODO check for loaded
+      menuItems.add(
          new ListTile(
            leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:home-assistant")),
            title: Text("Open Web UI"),
-            onTap: () => HAUtils.launchURL(homeAssistantWebHost),
-          ),
-          Divider()
-        ]);
-      }
+            onTap: () => HAUtils.launchURL(widget.homeAssistant.connection.httpWebHost),
+          )
+      );
      menuItems.addAll([
+        Divider(),
+        ListTile(
+          leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:login-variant")),
+          title: Text("Connection settings"),
+          onTap: () {
+            Navigator.of(context).pop();
+            Navigator.of(context).pushNamed('/connection-settings', arguments: {"homeAssistant", widget.homeAssistant});
+          },
+        )
+      ]);
+      menuItems.addAll([
+        Divider(),
        new ListTile(
          leading: Icon(Icons.insert_drive_file),
          title: Text("Log"),
@@ -392,6 +430,14 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
          },
        ),
        Divider(),
+        new ListTile(
+          leading: Icon(MaterialDesignIcons.getIconDataFromIconName("mdi:discord")),
+          title: Text("Join Discord server"),
+          onTap: () {
+            Navigator.of(context).pop();
+            HAUtils.launchURL("https://discord.gg/AUzEvwn");
+          },
+        ),
        new AboutListTile(
          aboutBoxChildren: <Widget>[
            GestureDetector(
@@ -412,7 +458,6 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
          applicationVersion: appVersion
        )
      ]);
-    }
    return new Drawer(
      child: ListView(
        children: menuItems,
@@ -465,7 +510,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
                child: Text("Retry", style: textStyle),
                onPressed: () {
                  //_scaffoldKey?.currentState?.hideCurrentSnackBar();
-                  _refreshData();
+                  _reLoad();
                },
            );
            break;
@@ -483,12 +528,32 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
          break;
        }

-        case 6: {
+        case 60: {
          _bottomBarAction = FlatButton(
-              child: Text("Settings", style: textStyle),
+              child: Text("Login", style: textStyle),
            onPressed: () {
-              //_scaffoldKey?.currentState?.hideCurrentSnackBar();
-              Navigator.pushNamed(context, '/connection-settings');
+              _reLoad();
+            },
+          );
+          break;
+        }
+
+        case 63:
+        case 61: {
+          _bottomBarAction = FlatButton(
+            child: Text("Try again", style: textStyle),
+            onPressed: () {
+              _reLoad();
+            },
+          );
+          break;
+        }
+
+        case 62: {
+          _bottomBarAction = FlatButton(
+            child: Text("Login again", style: textStyle),
+            onPressed: () {
+              _reLoad();
            },
          );
          break;
@@ -499,52 +564,51 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
              child: Text("Refresh", style: textStyle),
            onPressed: () {
              //_scaffoldKey?.currentState?.hideCurrentSnackBar();
-              _refreshData();
+              _reLoad();
            },
          );
          break;
        }

+        case 82:
+        case 81:
        case 8: {
          _bottomBarAction = FlatButton(
              child: Text("Reconnect", style: textStyle),
            onPressed: () {
-              //_scaffoldKey?.currentState?.hideCurrentSnackBar();
-              _refreshData();
+              _reLoad();
            },
          );
          break;
        }

        default: {
-          _bottomBarAction = FlatButton(
-              child: Text("Reload", style: textStyle),
-            onPressed: () {
-              //_scaffoldKey?.currentState?.hideCurrentSnackBar();
-              _refreshData();
-            },
-          );
+          _bottomBarAction = Container(width: 0.0, height: 0.0,);
          break;
        }
      }
      setState(() {
        _bottomBarProgress = false;
-        _bottomBarText = "$message (code: $errorCode)";
+        _bottomBarText = "$message";
        _showBottomBar = true;
      });
-      /*_scaffoldKey.currentState.hideCurrentSnackBar();
-      _scaffoldKey.currentState.showSnackBar(
-        SnackBar(
-          content: Text("$message (code: $errorCode)"),
-          action: action,
-          duration: Duration(hours: 1),
-        )
-      );*/
  }

  final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();

  Widget _buildScaffoldBody(bool empty) {
+    List<PopupMenuItem<String>> popupMenuItems = [];
+    popupMenuItems.add(PopupMenuItem<String>(
+      child: new Text("Reload"),
+      value: "reload",
+    ));
+    if (widget.homeAssistant.connection.isAuthenticated) {
+      popupMenuItems.add(
+          PopupMenuItem<String>(
+            child: new Text("Logout"),
+            value: "logout",
+          ));
+    }
    return NestedScrollView(
      headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
        return <Widget>[
@@ -552,7 +616,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
            floating: true,
            pinned: true,
            primary: true,
-            title: Text(_homeAssistant != null ? _homeAssistant.locationName : ""),
+            title: Text(widget.homeAssistant.locationName ?? ""),
            actions: <Widget>[
              IconButton(
                icon: Icon(MaterialDesignIcons.getIconDataFromIconName(
@@ -561,13 +625,14 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
                  showMenu(
                    position: RelativeRect.fromLTRB(MediaQuery.of(context).size.width, 70.0, 0.0, 0.0),
                    context: context,
-                    items: [PopupMenuItem<String>(
-                      child: new Text("Reload"),
-                      value: "reload",
-                    )]
+                    items: popupMenuItems
                  ).then((String val) {
                    if (val == "reload") {
-                      _refreshData();
+                      _reLoad();
+                    } else if (val == "logout") {
+                      widget.homeAssistant.logout().then((_) {
+                        _reLoad();
+                      });
                    }
                  });
                }
@@ -577,9 +642,6 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
              icon: Icon(Icons.menu),
              onPressed: () {
                _scaffoldKey.currentState.openDrawer();
-                setState(() {
-                  _accountMenuExpanded = false;
-                });
              },
            ),
            bottom: empty ? null : TabBar(
@@ -597,15 +659,15 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Icon(
-                MaterialDesignIcons.getIconDataFromIconName("mdi:home-assistant"),
+                MaterialDesignIcons.getIconDataFromIconName("mdi:border-none-variant"),
                size: 100.0,
-                color: Colors.blue,
+                color: Colors.black26,
              ),
            ]
        ),
      )
          :
-      _homeAssistant.buildViews(context, _useLovelaceUI, _viewsTabController),
+      widget.homeAssistant.buildViews(context, _viewsTabController),
    );
  }

@@ -662,7 +724,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
      }
    }
    // This method is rerun every time setState is called.
-    if (_homeAssistant.ui == null || _homeAssistant.ui.views == null) {
+    if (widget.homeAssistant.isNoViews) {
      return Scaffold(
        key: _scaffoldKey,
        primary: false,
@@ -678,7 +740,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker
        bottomNavigationBar: bottomBar,
        body: HomeAssistantModel(
          child: _buildScaffoldBody(false),
-          homeAssistant: _homeAssistant
+          homeAssistant: widget.homeAssistant
        ),
      );
    }
@@ -686,14 +748,19 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver, Ticker

  @override
  void dispose() {
+    final flutterWebviewPlugin = new FlutterWebviewPlugin();
+    flutterWebviewPlugin.dispose();
    WidgetsBinding.instance.removeObserver(this);
-    _viewsTabController.dispose();
-    if (_stateSubscription != null) _stateSubscription.cancel();
-    if (_settingsSubscription != null) _settingsSubscription.cancel();
-    if (_serviceCallSubscription != null) _serviceCallSubscription.cancel();
-    if (_showEntityPageSubscription != null) _showEntityPageSubscription.cancel();
-    if (_showErrorSubscription != null) _showErrorSubscription.cancel();
-    _homeAssistant.disconnect();
+    _viewsTabController?.dispose();
+    _stateSubscription?.cancel();
+    _settingsSubscription?.cancel();
+    _serviceCallSubscription?.cancel();
+    _showEntityPageSubscription?.cancel();
+    _showErrorSubscription?.cancel();
+    _startAuthSubscription?.cancel();
+    _reloadUISubscription?.cancel();
+    //TODO disconnect
+    //widget.homeAssistant?.disconnect();
    super.dispose();
  }
 }
--- a/lib/settings.page.dart
+++ b/lib/settings.page.dart
@@ -14,17 +14,18 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
  String _newHassioDomain = "";
  String _hassioPort = "";
  String _newHassioPort = "";
-  String _hassioPassword = "";
-  String _newHassioPassword = "";
  String _socketProtocol = "wss";
  String _newSocketProtocol = "wss";
  bool _useLovelace = true;
  bool _newUseLovelace = true;

+  String oauthUrl;
+
  @override
  void initState() {
    super.initState();
    _loadSettings();
+
  }

  _loadSettings() async {
@@ -33,7 +34,6 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
    setState(() {
      _hassioDomain = _newHassioDomain = prefs.getString("hassio-domain")?? "";
      _hassioPort = _newHassioPort = prefs.getString("hassio-port") ?? "";
-      _hassioPassword = _newHassioPassword = prefs.getString("hassio-password") ?? "";
      _socketProtocol = _newSocketProtocol = prefs.getString("hassio-protocol") ?? 'wss';
      try {
        _useLovelace = _newUseLovelace = prefs.getBool("use-lovelace") ?? true;
@@ -44,7 +44,7 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
  }

  bool _checkConfigChanged() {
-    return ((_newHassioPassword != _hassioPassword) ||
+    return (
      (_newHassioPort != _hassioPort) ||
      (_newHassioDomain != _hassioDomain) ||
      (_newSocketProtocol != _socketProtocol) ||
@@ -59,7 +59,6 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
    SharedPreferences prefs = await SharedPreferences.getInstance();
    prefs.setString("hassio-domain", _newHassioDomain);
    prefs.setString("hassio-port", _newHassioPort);
-    prefs.setString("hassio-password", _newHassioPassword);
    prefs.setString("hassio-protocol", _newSocketProtocol);
    prefs.setString("hassio-res-protocol", _newSocketProtocol == "wss" ? "https" : "http");
    prefs.setBool("use-lovelace", _newUseLovelace);
@@ -149,21 +148,6 @@ class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
            "Try ports 80 and 443 if default is not working and you don't know why.",
            style: TextStyle(color: Colors.grey),
          ),
-          new TextField(
-            decoration: InputDecoration(
-                labelText: "Access token"
-            ),
-            controller: new TextEditingController.fromValue(
-                new TextEditingValue(
-                    text: _newHassioPassword,
-                    selection:
-                    new TextSelection.collapsed(offset: _newHassioPassword.length)
-                )
-            ),
-            onChanged: (value) {
-              _newHassioPassword = value;
-            }
-          ),
          Padding(
            padding: EdgeInsets.only(top: 20.0),
            child: Text(
--- a/lib/ui_class/panel_class.dart
+++ b/lib/ui_class/panel_class.dart
@@ -36,7 +36,8 @@ class Panel {
          )
      );
    } else {
-      String url = "$homeAssistantWebHost/$urlPath";
+      HomeAssistantModel haModel = HomeAssistantModel.of(context);
+      String url = "${haModel.homeAssistant.connection.httpWebHost}/$urlPath";
      Logger.d("Launching custom tab with $url");
      HAUtils.launchURLInCustomTab(context, url);
    }
--- a/lib/ui_class/ui.dart
+++ b/lib/ui_class/ui.dart
@@ -4,6 +4,8 @@ class HomeAssistantUI {
  List<HAView> views;
  String title;

+  bool get isEmpty => views == null || views.isEmpty;
+
  HomeAssistantUI() {
    views = [];
  }
@@ -25,4 +27,8 @@ class HomeAssistantUI {
    return result;
  }

+  void clear() {
+    views.clear();
+  }
+
 }
--- a/lib/utils.class.dart
+++ b/lib/utils.class.dart
@@ -109,6 +109,16 @@ class RefreshDataFinishedEvent {
  RefreshDataFinishedEvent();
 }

+class ReloadUIEvent {
+  ReloadUIEvent();
+}
+
+class StartAuthEvent {
+  String oauthUrl;
+
+  StartAuthEvent(this.oauthUrl);
+}
+
 class ServiceCallEvent {
  String domain;
  String service;
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -101,6 +101,13 @@ packages:
      url: "https://pub.dartlang.org"
    source: hosted
    version: "1.0.3"
+  firebase_messaging:
+    dependency: "direct main"
+    description:
+      name: firebase_messaging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0+1"
  flutter:
    dependency: "direct main"
    description: flutter
@@ -134,6 +141,13 @@ packages:
      url: "https://pub.dartlang.org"
    source: hosted
    version: "0.2.0"
+  flutter_secure_storage:
+    dependency: "direct main"
+    description:
+      name: flutter_secure_storage
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.0"
  flutter_svg:
    dependency: "direct main"
    description:
@@ -146,6 +160,13 @@ packages:
    description: flutter
    source: sdk
    version: "0.0.0"
+  flutter_webview_plugin:
+    dependency: "direct main"
+    description:
+      name: flutter_webview_plugin
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.1"
  http:
    dependency: transitive
    description:
@@ -244,6 +265,13 @@ packages:
      url: "https://pub.dartlang.org"
    source: hosted
    version: "2.1.1"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
  progress_indicators:
    dependency: "direct main"
    description:
@@ -264,7 +292,7 @@ packages:
      name: shared_preferences
      url: "https://pub.dartlang.org"
    source: hosted
-    version: "0.5.1+1"
+    version: "0.5.1+2"
  sky_engine:
    dependency: transitive
    description: flutter
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: hass_client
 description: Home Assistant Android Client

-version: 0.5.0+97
+version: 0.6.0+101

 environment:
  sdk: ">=2.0.0-dev.68.0 <3.0.0"
@@ -20,6 +20,9 @@ dependencies:
  flutter_markdown: any
  flutter_svg: ^0.10.3
  flutter_custom_tabs: ^0.6.0
+  firebase_messaging: ^4.0.0+1
+  flutter_webview_plugin: ^0.3.1
+  flutter_secure_storage: ^3.2.0

 dev_dependencies:
  flutter_test:
Author	SHA1	Message	Date
estevez-dev	4e96b9adbb	Build 101	2019-03-29 11:16:04 +02:00
estevez-dev	b9581d3762	Resolves #347 , Resolves #346 Connection and reconnection	2019-03-29 11:04:43 +02:00
estevez-dev	7c010359c3	Resolves #340 Connection refactoring	2019-03-26 00:18:30 +02:00
estevez-dev	4a75243994	WIP #340 Refactor getting data and error handling	2019-03-22 14:04:20 +02:00
estevez-dev	d29d7e5b3b	WIP #340	2019-03-21 16:55:25 +02:00
estevez-dev	5ebd25e0d1	Resolves #59 Storing token in secure storage	2019-03-21 14:25:05 +02:00
estevez-dev	b7d5a53e86	Resolves #341 Add logout	2019-03-21 14:08:07 +02:00
estevez-dev	20d3498bfd	WIP #341 Logout	2019-03-20 23:38:57 +02:00
estevez-dev	67d7bb45f5	Resolves #338 OAuth with Home Assistant	2019-03-20 23:05:25 +02:00
estevez-dev	6a03105d01	WIP	2019-03-20 19:01:30 +02:00
estevez-dev	5ae580ecf1	Chachesd HomeAssistance instance for every view in app	2019-03-20 12:48:00 +02:00
estevez-dev	0efef33e53	Fix CleartextTraffic issue. WIP #338	2019-03-19 23:20:57 +02:00
estevez-dev	ccb88884a7	Settings loading refactored. WIP #338	2019-03-19 23:07:40 +02:00
estevez-dev	d70ba0a55a	WIP #48	2019-03-18 23:37:45 +02:00
estevez-dev	5140840d3a	Resolves #327 Timer duration parsing error	2019-03-14 16:39:37 +02:00
estevez-dev	14759fd3c9	Discord icon fix	2019-03-14 14:35:30 +02:00
estevez-dev	fed35be517	New app icon	2019-03-14 14:07:36 +02:00