feat: stage utils

Author: didinele

services/ama-bot/src/lib/queues.ts

@@ -0,0 +1,33 @@
+import type { AMASession } from '@chatsift/backend-core';
+import type { Selectable } from 'kysely';
+
+export enum CurrentlyInQueue {
+	mod,
+	guest,
+	answers,
+}
+
+interface GetNextQueueResult {
+	kind: CurrentlyInQueue;
+	queueId: string;
+}
+
+export function getNextQueue(currently: CurrentlyInQueue, session: Selectable<AMASession>): GetNextQueueResult | null {
+	switch (currently) {
+		case CurrentlyInQueue.answers: {
+			return null;
+		}
+
+		case CurrentlyInQueue.guest: {
+			return { kind: CurrentlyInQueue.answers, queueId: session.answersChannelId };
+		}
+
+		case CurrentlyInQueue.mod: {
+			if (session.guestQueueId) {
+				return { kind: CurrentlyInQueue.guest, queueId: session.guestQueueId };
+			}
+
+			return { kind: CurrentlyInQueue.answers, queueId: session.answersChannelId };
+		}
+	}
+}