diff --git a/lib/controllers/current_room_controller.dart b/lib/controllers/current_room_controller.dart
new file mode 100644
index 0000000..cb5656d
--- /dev/null
+++ b/lib/controllers/current_room_controller.dart
@@ -0,0 +1,18 @@
+import "package:flutter_riverpod/flutter_riverpod.dart";
+import "package:nexus/controllers/spaces_controller.dart";
+import "package:nexus/helpers/extension_helper.dart";
+import "package:nexus/models/full_room.dart";
+
+class CurrentRoomController extends AsyncNotifier<FullRoom> {
+  @override
+  Future<FullRoom> build() async => (await ref.watch(
+    SpacesController.provider.future,
+  ))[0].children[0].roomData.fullRoom;
+
+  void set(FullRoom room) => state = AsyncValue.data(room);
+
+  static final provider =
+      AsyncNotifierProvider<CurrentRoomController, FullRoom>(
+        CurrentRoomController.new,
+      );
+}
diff --git a/lib/controllers/room_chat_controller.dart b/lib/controllers/room_chat_controller.dart
index 6dae669..5dbd197 100644
--- a/lib/controllers/room_chat_controller.dart
+++ b/lib/controllers/room_chat_controller.dart
@@ -1,27 +1,132 @@
 import "package:flutter_chat_core/flutter_chat_core.dart";
+import "package:flutter_chat_core/flutter_chat_core.dart" as chat;
 import "package:flutter_riverpod/flutter_riverpod.dart";
+import "package:matrix/matrix.dart";
 
-class RoomChatController extends Notifier<ChatController> {
-  RoomChatController(this.roomId);
-  final String roomId;
+class RoomChatController extends AsyncNotifier<ChatController> {
+  RoomChatController(this.room);
+  final Room room;
 
   @override
-  InMemoryChatController build() => InMemoryChatController();
+  Future<ChatController> build() async {
+    final timeline = await room.getTimeline();
 
-  // void setRoom(Room room) => state = (await ref.watch(ClientController.provider.future));
+    final controller = InMemoryChatController(
+      messages: (await Future.wait(
+        timeline.events.map(toMessage),
+      )).toList().reversed.nonNulls.toList(),
+    );
+    return controller;
+  }
 
-  void send(String message) {
-    state.insertMessage(
+  Future<void> insertMessage(Message message) async {
+    final controller = await future;
+    return controller.insertMessage(message);
+  }
+
+  Future<void> updateMessage(Message message, Message newMessage) async {
+    final controller = await future;
+    return controller.updateMessage(message, newMessage);
+  }
+
+  Future<Message?> toMessage(Event event) async {
+    final replyId = event.relationshipType == RelationshipTypes.reply
+        ? event.relationshipEventId
+        : null;
+    final metadata = {
+      "eventType": event.type,
+      "displayName": event.senderFromMemoryOrFallback.displayName,
+    };
+    return event.redacted
+        ? Message.text(
+            metadata: metadata,
+            id: event.eventId,
+            authorId: event.senderId,
+            text: "~~This message has been redacted.~~",
+            deletedAt: event.redactedBecause?.originServerTs,
+          )
+        : switch (event.type) {
+            EventTypes.Message => switch (event.messageType) {
+              MessageTypes.Image => Message.image(
+                metadata: metadata,
+                id: event.eventId,
+                authorId: event.senderId,
+                source: (await event.getAttachmentUri()).toString(),
+                replyToMessageId: replyId,
+                deliveredAt: event.originServerTs,
+              ),
+              MessageTypes.Audio => Message.audio(
+                metadata: metadata,
+                id: event.eventId,
+                authorId: event.senderId,
+                text: event.body,
+                replyToMessageId: replyId,
+                source: (await event.getAttachmentUri()).toString(),
+                deliveredAt: event.originServerTs,
+                duration: Duration(hours: 1),
+              ),
+              MessageTypes.File => Message.file(
+                name: event.content["filename"].toString(),
+                metadata: metadata,
+                id: event.eventId,
+                authorId: event.senderId,
+                source: (await event.getAttachmentUri()).toString(),
+                replyToMessageId: replyId,
+                deliveredAt: event.originServerTs,
+              ),
+              _ => Message.text(
+                metadata: metadata,
+                id: event.eventId,
+                authorId: event.senderId,
+                text: event.body,
+                replyToMessageId: replyId,
+                deliveredAt: event.originServerTs,
+              ),
+            },
+            EventTypes.RoomMember => Message.system(
+              metadata: metadata,
+              id: event.eventId,
+              authorId: event.senderId,
+              text:
+                  "${event.senderFromMemoryOrFallback.calcDisplayname()} joined the room.",
+            ),
+            EventTypes.Redaction => null,
+            _ => Message.unsupported(
+              metadata: metadata,
+              id: event.eventId,
+              authorId: event.senderId,
+              replyToMessageId: replyId,
+            ),
+          };
+  }
+
+  Future<void> send(String message) async {
+    insertMessage(
       Message.text(
         id: DateTime.now().millisecondsSinceEpoch.toString(),
-        authorId: "foo",
+        authorId: room.client.userID!,
         text: message,
       ),
     );
+
+    await room.sendTextEvent(message);
   }
 
-  static final provider =
-      NotifierProvider.family<RoomChatController, ChatController, String>(
+  Future<chat.User> resolveUser(String id) async {
+    final user = await room.client.getUserProfile(id);
+    return chat.User(
+      id: id,
+      name: user.displayname,
+      imageSource: (await user.avatarUrl?.getThumbnailUri(
+        room.client,
+        width: 24,
+        height: 24,
+      ))?.toString(),
+    );
+  }
+
+  static final provider = AsyncNotifierProvider.family
+      .autoDispose<RoomChatController, ChatController, Room>(
         RoomChatController.new,
       );
 }
diff --git a/lib/helpers/extension_helper.dart b/lib/helpers/extension_helper.dart
index 1d9b8f8..739c602 100644
--- a/lib/helpers/extension_helper.dart
+++ b/lib/helpers/extension_helper.dart
@@ -20,16 +20,20 @@ extension BetterWhen<T> on AsyncValue<T> {
 
 extension GetFullRoom on Room {
   Future<FullRoom> get fullRoom async {
-    final thumb = await avatar?.getThumbnailUri(client, width: 24, height: 24);
     return FullRoom(
       roomData: this,
       title: getLocalizedDisplayname(),
-      avatar: thumb == null
-          ? null
-          : Image.network(
-              thumb.toString(),
-              headers: {"authorization": "Bearer ${client.accessToken}"},
-            ),
+      avatar: await avatar?.asImage(client),
+    );
+  }
+}
+
+extension GetImage on Uri {
+  Future<Image?> asImage(Client client) async {
+    final thumb = await getThumbnailUri(client, width: 24, height: 24);
+    return Image.network(
+      thumb.toString(),
+      headers: {"authorization": "Bearer ${client.accessToken}"},
     );
   }
 }
diff --git a/lib/main.dart b/lib/main.dart
index 612a704..bbc3ba7 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,14 +1,14 @@
-import "dart:io";
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:nexus/widgets/room_chat.dart";
 import "package:nexus/widgets/sidebar.dart";
+import "package:scaled_app/scaled_app.dart";
 import "package:window_manager/window_manager.dart";
 import "package:flutter/material.dart";
 import "package:dynamic_system_colors/dynamic_system_colors.dart";
 import "package:window_size/window_size.dart";
 
 void main() async {
-  WidgetsFlutterBinding.ensureInitialized();
+  ScaledWidgetsFlutterBinding.ensureInitialized(scaleFactor: (_) => 1.4);
 
   await windowManager.ensureInitialized();
   await windowManager.waitUntilReadyToShow(
@@ -48,28 +48,7 @@ class App extends StatelessWidget {
               builder: (context) => Row(
                 children: [
                   if (isDesktop) Sidebar(),
-                  Expanded(
-                    child: Scaffold(
-                      appBar: AppBar(
-                        leading: isDesktop
-                            ? null
-                            : DrawerButton(
-                                onPressed: () =>
-                                    Scaffold.of(context).openDrawer(),
-                              ),
-                        actionsPadding: EdgeInsets.symmetric(horizontal: 8),
-                        title: Text("Some Chat Name"),
-                        actions: [
-                          if (!(Platform.isAndroid || Platform.isIOS))
-                            IconButton(
-                              onPressed: () => exit(0),
-                              icon: Icon(Icons.close),
-                            ),
-                        ],
-                      ),
-                      body: RoomChat(),
-                    ),
-                  ),
+                  Expanded(child: RoomChat(isDesktop: isDesktop)),
                 ],
               ),
             ),
diff --git a/lib/widgets/room_chat.dart b/lib/widgets/room_chat.dart
index 321d27f..786f8d0 100644
--- a/lib/widgets/room_chat.dart
+++ b/lib/widgets/room_chat.dart
@@ -1,92 +1,223 @@
+import "dart:io";
+
+import "package:flutter/foundation.dart";
 import "package:flutter/material.dart";
 import "package:flutter_chat_core/flutter_chat_core.dart";
 import "package:flutter_chat_ui/flutter_chat_ui.dart";
 import "package:flutter_link_previewer/flutter_link_previewer.dart";
+import "package:flyer_chat_file_message/flyer_chat_file_message.dart";
 import "package:flyer_chat_image_message/flyer_chat_image_message.dart";
 import "package:flyer_chat_system_message/flyer_chat_system_message.dart";
 import "package:flyer_chat_text_message/flyer_chat_text_message.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
+import "package:nexus/controllers/current_room_controller.dart";
 import "package:nexus/controllers/room_chat_controller.dart";
+import "package:nexus/helpers/extension_helper.dart";
 import "package:nexus/helpers/launch_helper.dart";
 
 class RoomChat extends HookConsumerWidget {
-  const RoomChat({super.key});
+  final bool isDesktop;
+  const RoomChat({required this.isDesktop, super.key});
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final urlRegex = RegExp(r"https?://[^\s\]\(\)]+");
-    final controller = RoomChatController.provider("1");
     final theme = Theme.of(context);
-    return Chat(
-      currentUserId: "foo",
-      theme: ChatTheme.fromThemeData(theme).copyWith(
-        colors: ChatColors.fromThemeData(theme).copyWith(
-          primary: theme.colorScheme.primaryContainer,
-          onPrimary: theme.colorScheme.onPrimaryContainer,
-        ),
-      ),
-      builders: Builders(
-        composerBuilder: (_) => Composer(
-          sendIconColor: theme.colorScheme.primary,
-          sendOnEnter: true,
-        ),
-        textMessageBuilder:
-            (
-              context,
-              message,
-              index, {
-              required bool isSentByMe,
-              MessageGroupStatus? groupStatus,
-            }) => FlyerChatTextMessage(
-              message: message.copyWith(
-                text: message.text.replaceAllMapped(
-                  urlRegex,
-                  (match) => "[${match.group(0)}](${match.group(0)})",
-                ),
+    return ref
+        .watch(CurrentRoomController.provider)
+        .betterWhen(
+          data: (room) {
+            final controllerProvider = RoomChatController.provider(
+              room.roomData,
+            );
+            final headers = {
+              "authorization": "Bearer ${room.roomData.client.accessToken}",
+            };
+            return Scaffold(
+              appBar: AppBar(
+                leading: isDesktop
+                    ? null
+                    : DrawerButton(onPressed: Scaffold.of(context).openDrawer),
+                actionsPadding: EdgeInsets.symmetric(horizontal: 8),
+                title: Text(room.title),
+                actions: [
+                  if (!(Platform.isAndroid || Platform.isIOS))
+                    IconButton(
+                      onPressed: () => exit(0),
+                      icon: Icon(Icons.close),
+                    ),
+                ],
               ),
-              index: index,
-              onLinkTap: (url, _) =>
-                  ref.watch(LaunchHelper.provider).launchUrl(Uri.parse(url)),
-              linksDecoration: TextDecoration.underline,
-              sentLinksColor: Colors.blue,
-              receivedLinksColor: Colors.blue,
-            ),
-        linkPreviewBuilder: (_, message, isSentByMe) => LinkPreview(
-          text: urlRegex.firstMatch(message.text)?.group(0) ?? "",
-          backgroundColor: isSentByMe
-              ? theme.colorScheme.inversePrimary
-              : theme.colorScheme.surfaceContainerLow,
-          insidePadding: EdgeInsets.symmetric(vertical: 8, horizontal: 16),
-          linkPreviewData: message.linkPreviewData,
-          onLinkPreviewDataFetched: (linkPreviewData) {
-            ref
-                .watch(controller)
-                .updateMessage(
-                  message,
-                  message.copyWith(linkPreviewData: linkPreviewData),
-                );
+              body: ref
+                  .watch(controllerProvider)
+                  .betterWhen(
+                    data: (controller) => Chat(
+                      currentUserId: room.roomData.client.userID!,
+                      theme: ChatTheme.fromThemeData(theme).copyWith(
+                        colors: ChatColors.fromThemeData(theme).copyWith(
+                          primary: theme.colorScheme.primaryContainer,
+                          onPrimary: theme.colorScheme.onPrimaryContainer,
+                        ),
+                      ),
+                      builders: Builders(
+                        composerBuilder: (_) => Composer(
+                          sendIconColor: theme.colorScheme.primary,
+                          sendOnEnter: true,
+                          autofocus: true,
+                        ),
+                        unsupportedMessageBuilder:
+                            (
+                              _,
+                              message,
+                              index, {
+                              required bool isSentByMe,
+                              MessageGroupStatus? groupStatus,
+                            }) => kDebugMode
+                            ? FlyerChatTextMessage(
+                                message: TextMessage(
+                                  id: message.id,
+                                  authorId: message.authorId,
+                                  text:
+                                      "Unsupported message type: ${message.metadata?["eventType"]}",
+                                ),
+                                receivedBackgroundColor: Colors.red,
+                                sentBackgroundColor: Colors.red,
+                                index: index,
+                              )
+                            : SizedBox.shrink(),
+                        textMessageBuilder:
+                            (
+                              context,
+                              message,
+                              index, {
+                              required bool isSentByMe,
+                              MessageGroupStatus? groupStatus,
+                            }) => Column(
+                              crossAxisAlignment: isSentByMe
+                                  ? CrossAxisAlignment.end
+                                  : CrossAxisAlignment.start,
+                              spacing: 8,
+                              children: [
+                                SizedBox(height: 8),
+
+                                FlyerChatTextMessage(
+                                  topWidget: Padding(
+                                    padding: EdgeInsets.only(bottom: 12),
+                                    child: InkWell(
+                                      onTap: () => showAboutDialog(
+                                        context: context,
+                                      ), // TODO: Show user profile
+                                      child: Row(
+                                        mainAxisSize: MainAxisSize.min,
+                                        spacing: 8,
+                                        children: [
+                                          Avatar(
+                                            userId: message.authorId,
+                                            headers: headers,
+                                          ),
+                                          Text(
+                                            message.metadata?["displayName"] ??
+                                                message.authorId,
+                                            style: theme.textTheme.titleMedium
+                                                ?.copyWith(
+                                                  fontWeight: FontWeight.bold,
+                                                ),
+                                          ),
+                                        ],
+                                      ),
+                                    ),
+                                  ),
+                                  message: message.copyWith(
+                                    text: message.text.replaceAllMapped(
+                                      urlRegex,
+                                      (match) =>
+                                          "[${match.group(0)}](${match.group(0)})",
+                                    ),
+                                  ),
+                                  showTime: true,
+                                  index: index,
+                                  onLinkTap: (url, _) => ref
+                                      .watch(LaunchHelper.provider)
+                                      .launchUrl(Uri.parse(url)),
+                                  linksDecoration: TextDecoration.underline,
+                                  sentLinksColor: Colors.blue,
+                                  receivedLinksColor: Colors.blue,
+                                ),
+                              ],
+                            ),
+                        linkPreviewBuilder: (_, message, isSentByMe) =>
+                            LinkPreview(
+                              text:
+                                  urlRegex.firstMatch(message.text)?.group(0) ??
+                                  "",
+                              backgroundColor: isSentByMe
+                                  ? theme.colorScheme.inversePrimary
+                                  : theme.colorScheme.surfaceContainerLow,
+                              insidePadding: EdgeInsets.symmetric(
+                                vertical: 8,
+                                horizontal: 16,
+                              ),
+                              linkPreviewData: message.linkPreviewData,
+                              onLinkPreviewDataFetched: (linkPreviewData) => ref
+                                  .watch(controllerProvider.notifier)
+                                  .updateMessage(
+                                    message,
+                                    message.copyWith(
+                                      linkPreviewData: linkPreviewData,
+                                    ),
+                                  ),
+                            ),
+                        imageMessageBuilder:
+                            (
+                              _,
+                              message,
+                              index, {
+                              required bool isSentByMe,
+                              MessageGroupStatus? groupStatus,
+                            }) => FlyerChatImageMessage(
+                              message: message,
+                              index: index,
+                              headers: headers,
+                            ),
+                        fileMessageBuilder:
+                            (
+                              _,
+                              message,
+                              index, {
+                              required bool isSentByMe,
+                              MessageGroupStatus? groupStatus,
+                            }) => InkWell(
+                              onTap: () => showAboutDialog(
+                                context: context,
+                              ), // TODO: Download
+                              child: FlyerChatFileMessage(
+                                message: message,
+                                index: index,
+                              ),
+                            ),
+                        systemMessageBuilder:
+                            (
+                              _,
+                              message,
+                              index, {
+                              required bool isSentByMe,
+                              MessageGroupStatus? groupStatus,
+                            }) => FlyerChatSystemMessage(
+                              message: message,
+                              index: index,
+                            ),
+                      ),
+                      onMessageSend: ref
+                          .watch(controllerProvider.notifier)
+                          .send,
+                      resolveUser: ref
+                          .watch(controllerProvider.notifier)
+                          .resolveUser,
+                      chatController: controller,
+                    ),
+                  ),
+            );
           },
-        ),
-        imageMessageBuilder:
-            (
-              _,
-              message,
-              index, {
-              required bool isSentByMe,
-              MessageGroupStatus? groupStatus,
-            }) => FlyerChatImageMessage(message: message, index: index),
-        systemMessageBuilder:
-            (
-              _,
-              message,
-              index, {
-              required bool isSentByMe,
-              MessageGroupStatus? groupStatus,
-            }) => FlyerChatSystemMessage(message: message, index: index),
-      ),
-      onMessageSend: ref.watch(controller.notifier).send,
-      resolveUser: (id) async => User(id: id, imageSource: "foo"),
-      chatController: ref.watch(controller),
-    );
+        );
   }
 }
diff --git a/lib/widgets/sidebar.dart b/lib/widgets/sidebar.dart
index 63f4948..ee68344 100644
--- a/lib/widgets/sidebar.dart
+++ b/lib/widgets/sidebar.dart
@@ -1,6 +1,7 @@
 import "package:flutter/material.dart";
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
+import "package:nexus/controllers/current_room_controller.dart";
 import "package:nexus/controllers/spaces_controller.dart";
 import "package:nexus/helpers/extension_helper.dart";
 import "package:nexus/widgets/avatar.dart";
@@ -10,7 +11,8 @@ class Sidebar extends HookConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final index = useState(0);
+    final selectedSpace = useState(0);
+    final selectedRoom = useState(0);
     return Drawer(
       shape: Border(),
       child: Row(
@@ -25,7 +27,7 @@ class Sidebar extends HookConsumerWidget {
                 },
                 data: (spaces) => NavigationRail(
                   scrollable: true,
-                  onDestinationSelected: (value) => index.value = value,
+                  onDestinationSelected: (value) => selectedSpace.value = value,
                   destinations: spaces
                       .map(
                         (space) => NavigationRailDestination(
@@ -35,7 +37,7 @@ class Sidebar extends HookConsumerWidget {
                         ),
                       )
                       .toList(),
-                  selectedIndex: index.value,
+                  selectedIndex: selectedSpace.value,
                 ),
               ),
           Expanded(
@@ -43,7 +45,7 @@ class Sidebar extends HookConsumerWidget {
                 .watch(SpacesController.provider)
                 .betterWhen(
                   data: (spaces) {
-                    final space = spaces[index.value];
+                    final space = spaces[selectedSpace.value];
                     return Scaffold(
                       backgroundColor: Colors.transparent,
                       appBar: AppBar(
@@ -71,7 +73,7 @@ class Sidebar extends HookConsumerWidget {
                                 icon: Avatar(
                                   room.avatar,
                                   room.title,
-                                  fallback: index.value == 1
+                                  fallback: selectedSpace.value == 1
                                       ? null
                                       : Icon(Icons.numbers),
                                 ),
@@ -79,7 +81,15 @@ class Sidebar extends HookConsumerWidget {
                               ),
                             )
                             .toList(),
-                        selectedIndex: space.children.isEmpty ? null : 0,
+                        onDestinationSelected: (value) {
+                          selectedRoom.value = value;
+                          ref
+                              .watch(CurrentRoomController.provider.notifier)
+                              .set(space.children[value]);
+                        },
+                        selectedIndex: space.children.isEmpty
+                            ? null
+                            : selectedRoom.value,
                       ),
                     );
                   },
diff --git a/pubspec.lock b/pubspec.lock
index cc20fe7..85de9e3 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -582,6 +582,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flyer_chat_file_message:
+    dependency: "direct main"
+    description:
+      name: flyer_chat_file_message
+      sha256: "9d3e40819ebd3a32c6821e32a54caf7675af80dd05ce679f8113277f2379ecf4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
   flyer_chat_image_message:
     dependency: "direct main"
     description:
@@ -1166,6 +1174,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.28.0"
+  scaled_app:
+    dependency: "direct main"
+    description:
+      name: scaled_app
+      sha256: a2ad9f22cf2200a5ce455b59c5ea7bfb09a84acfc52452d1db54f4958c99d76a
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
   screen_retriever:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 59a906a..da107c7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -40,17 +40,19 @@ dependencies:
       url: https://github.com/google/flutter-desktop-embedding
       path: plugins/window_size
   flutter_chat_core: ^2.0.0
-  flyer_chat_image_message: ^2.0.0
-  flyer_chat_system_message: ^2.0.0
-  flutter_link_previewer: ^4.0.0
-  flyer_chat_text_message: ^2.0.0
+  flyer_chat_image_message: ^2.2.2
+  flyer_chat_system_message: ^2.1.13
+  flyer_chat_text_message: ^2.5.2
+  flyer_chat_file_message: ^2.3.1
   flutter_chat_ui:
     git:
       url: https://github.com/Henry-Hiles/flutter_chat_ui
       path: packages/flutter_chat_ui
+  flutter_link_previewer: ^4.1.2
   matrix: ^3.0.2
   sqflite_common_ffi: ^2.3.6
   color_hash: ^1.0.1
+  scaled_app: ^2.3.0
   
 dev_dependencies:
   build_runner: ^2.4.11