Add some state logic based on enums

web/interfaces/application-state.ts

@@ -1,17 +1,53 @@
 export enum AppState {
-  AppLoading,
-  ChatLoading,
-  Loading,
+  Loading, // Initial loading state as config + status is loading.
+  Online, // Stream is active.
+  Offline, // Stream is not active.
+  OfflineWaiting, // Period of time after going offline chat is still available.
+  Banned, // Certain features are disabled for this single user.
 }
 
 export enum ChatVisibilityState {
-  Hidden, // The chat is available but the user has hidden it
-  Visible, // The chat is available and visible
+  Hidden, // The chat components are not available to the user.
+  Visible, // The chat components are not available to the user visually.
 }
 
 export enum ChatState {
-  Available, // Normal state
-  NotAvailable, // Chat features are not available
-  Loading, // Chat is connecting and loading history
-  Offline, // Chat is offline/disconnected for some reason
+  Available, // Normal state. Chat can be visible and used.
+  NotAvailable, // Chat features are not available.
+  Loading, // Chat is connecting and loading history.
+  Offline, // Chat is offline/disconnected for some reason but is visible.
+}
+
+export function getChatState(state: AppState): ChatState {
+  switch (state) {
+    case AppState.Loading:
+      return ChatState.NotAvailable;
+    case AppState.Banned:
+      return ChatState.NotAvailable;
+    case AppState.Online:
+      return ChatState.Available;
+    case AppState.Offline:
+      return ChatState.NotAvailable;
+    case AppState.OfflineWaiting:
+      return ChatState.Available;
+    default:
+      return ChatState.Offline;
+  }
+}
+
+export function getChatVisibilityState(state: AppState): ChatVisibilityState {
+  switch (state) {
+    case AppState.Loading:
+      return ChatVisibilityState.Hidden;
+    case AppState.Banned:
+      return ChatVisibilityState.Hidden;
+    case AppState.Online:
+      return ChatVisibilityState.Visible;
+    case AppState.Offline:
+      return ChatVisibilityState.Hidden;
+    case AppState.OfflineWaiting:
+      return ChatVisibilityState.Visible;
+    default:
+      return ChatVisibilityState.Hidden;
+  }
 }