Continue kiosk work

WebDisplay/src/models/home-assistant/home-assistant.ts

@@ -0,0 +1,64 @@
+let messageId: number = 1;
+
+export enum MessageType {
+    auth_invalid = 'auth_invalid',
+    auth_ok = 'auth_ok',
+    auth_required = 'auth_required',
+    event = 'event',
+    pong = 'pong',
+    result = 'result'
+}
+
+export interface OutgoingMessage {
+    id: number | undefined;
+    type: string;
+}
+
+export interface IncomingMessage {
+    id: number | undefined;
+    type: string;
+    success: boolean | undefined;
+    result: any;
+}
+
+export class AuthMessage implements OutgoingMessage {
+    id = undefined;
+    type: string = 'auth';
+    access_token: string | null = null;
+
+    constructor(access_token: string) {
+        this.access_token = access_token;
+    }
+}
+
+export class SubscribeEntitiesMessage implements OutgoingMessage {
+    id = messageId++;
+    type = 'subscribe_entities';
+    entity_ids: string[] = [];
+
+    constructor(entity_ids: string[]) {
+        this.entity_ids = entity_ids;
+    }
+}
+
+export interface EventMessage extends IncomingMessage {
+    event: StatesUpdates;
+}
+
+export interface EntityState {
+    /** state */
+    s: string;
+    /** attributes */
+    a: { [key: string]: any };
+    /** last_changed; if set, also applies to lu */
+    lc: number;
+    /** last_updated */
+    lu: number;
+}
+
+export interface StatesUpdates {
+    /** add */
+    a?: Record<string, EntityState>;
+    /** remove */
+    r?: string[]; // remove
+}