Add Welcome screen

Shared/Navigation/AccountsMenuView.swift

@@ -3,7 +3,6 @@ import SwiftUI
 
 struct AccountsMenuView: View {
     @EnvironmentObject<AccountsModel> private var model
-    @EnvironmentObject<InstancesModel> private var instancesModel
 
     @Default(.instances) private var instances
 

Shared/Navigation/AppSidebarNavigation.swift

@@ -37,7 +37,12 @@ struct AppSidebarNavigation: View {
                 .toolbar { toolbarContent }
                 .frame(minWidth: sidebarMinWidth)
 
-            Text("Select section")
+            VStack {
+                Image(systemName: "play.tv")
+                    .renderingMode(.original)
+                    .font(.system(size: 60))
+                    .foregroundColor(.accentColor)
+            }
         }
         .environment(\.navigationStyle, .sidebar)
     }

Shared/Navigation/ContentView.swift

@@ -39,6 +39,11 @@ struct ContentView: View {
         .environmentObject(recents)
         .environmentObject(search)
         .environmentObject(subscriptions)
+        .sheet(isPresented: $navigation.presentingWelcomeScreen) {
+            WelcomeScreen()
+                .environmentObject(accounts)
+                .environmentObject(navigation)
+        }
         #if os(iOS)
             .fullScreenCover(isPresented: $player.presentingPlayer) {
                 VideoPlayerView()
@@ -68,8 +73,9 @@ struct ContentView: View {
                 PlaylistFormView(playlist: $navigation.editedPlaylist)
                     .environmentObject(playlists)
             }
-            .sheet(isPresented: $navigation.presentingSettings) {
+            .sheet(isPresented: $navigation.presentingSettings, onDismiss: openWelcomeScreenIfAccountEmpty) {
                 SettingsView()
+                    .environmentObject(accounts)
                     .environmentObject(instances)
             }
         #endif
@@ -78,17 +84,29 @@ struct ContentView: View {
     func configure() {
         SiestaLog.Category.enabled = .common
 
+        // TODO: Remove when piped supports videos information
         if let account = instances.defaultAccount ??
-            // TODO: Remove when piped supports videos information
             accounts.all.first(where: { $0.instance.app == .invidious })
         {
             accounts.setAccount(account)
         }
+
+        if accounts.account.isNil {
+            navigation.presentingWelcomeScreen = true
+        }
         player.accounts = accounts
         playlists.accounts = accounts
         search.accounts = accounts
         subscriptions.accounts = accounts
     }
+
+    func openWelcomeScreenIfAccountEmpty() {
+        guard accounts.isEmpty else {
+            return
+        }
+
+        navigation.presentingWelcomeScreen = true
+    }
 }
 
 struct ContentView_Previews: PreviewProvider {

Shared/Navigation/Sidebar.swift

@@ -7,14 +7,16 @@ struct Sidebar: View {
     var body: some View {
         ScrollViewReader { scrollView in
             List {
-                mainNavigationLinks
+                if !accounts.isEmpty {
+                    mainNavigationLinks
 
-                AppSidebarRecents()
-                    .id("recentlyOpened")
+                    AppSidebarRecents()
+                        .id("recentlyOpened")
 
-                if accounts.signedIn {
-                    AppSidebarSubscriptions()
-                    AppSidebarPlaylists()
+                    if accounts.signedIn {
+                        AppSidebarSubscriptions()
+                        AppSidebarPlaylists()
+                    }
                 }
             }
             .onChange(of: navigation.sidebarSectionChanged) { _ in