1 files changed, 34 insertions, 0 deletions
diff --git a/api/src/plugins/events.plugin.ts b/api/src/plugins/events.plugin.ts
new file mode 100644
index 0000000..fdf0e74
--- /dev/null
+++ b/api/src/plugins/events.plugin.ts
@@ -0,0 +1,34 @@
+/**
+ * events.plugin.ts
+ *
+ * Expõe um EventEmitter global no fastify para pub/sub em memória.
+ * Ideal para disparar Server-Sent Events (SSE) aos clientes conectados.
+ */
+
+import fp from 'fastify-plugin';
+import { EventEmitter } from 'node:events';
+import type { FastifyInstance } from 'fastify';
+
+export interface AppEventMap {
+  'ticket.created': { id: number; title: string; creatorId: number };
+  'ticket.updated': { id: number; status: string; assigneeId: number | null; creatorId: number; authorId: number };
+  'comment.added':  { ticketId: number; authorId: number; isInternal: boolean; creatorId: number; assigneeId: number | null };
+}
+
+declare module 'fastify' {
+  interface FastifyInstance {
+    events: EventEmitter;
+  }
+}
+
+async function eventsPlugin(fastify: FastifyInstance): Promise<void> {
+  const emitter = new EventEmitter();
+  // Permite muitos clientes SSE conectados simultaneamente
+  emitter.setMaxListeners(100);
+
+  fastify.decorate('events', emitter);
+}
+
+export default fp(eventsPlugin, {
+  name: 'events-plugin',
+});