feat(TMDB): Add /trending endpoint (#580)

* Add /trending path to TMDB

---------

Co-authored-by: Marouane <57333995+riimuru@users.noreply.github.com>

Author: Babyyoda777

src/routes/meta/tmdb.ts

@@ -40,6 +40,28 @@ const routes = async (fastify: FastifyInstance, options: RegisterOptions) => {
     reply.status(200).send(res);
   });
 
+  fastify.get('/trending', async (request: FastifyRequest, reply: FastifyReply) => {
+    const validTimePeriods = new Set(['day', 'week'] as const);
+    type validTimeType = typeof validTimePeriods extends Set<infer T> ? T : undefined
+    
+    const type = (request.query as { type?: string }).type || 'all';
+    let timePeriod = (request.query as { timePeriod?: validTimeType }).timePeriod || 'day';
+
+    // make day as default time period
+    if (!validTimePeriods.has(timePeriod)) timePeriod = 'day';
+
+    const page = (request.query as { page?: number }).page || 1;
+
+    const tmdb = new META.TMDB(tmdbApi);
+
+    try {
+      const res = await tmdb.fetchTrending(type, timePeriod, page);
+      reply.status(200).send(res);
+    } catch (err) {
+      reply.status(500).send({ message: 'Failed to fetch trending media.' });
+    }
+  });
+
   fastify.get(
     '/watch/:episodeId',
     async (request: FastifyRequest, reply: FastifyReply) => {