From 4a09ea74c1ea43cbcd71e92444a32c2a87e3b748 Mon Sep 17 00:00:00 2001
From: Jos Vooges | STH <jos@sthbv.nl>
Date: Mon, 21 Sep 2026 04:00:06 +0200
Subject: [PATCH] Fix TMDB trailers missing for Dutch locale detail pages.

Request include_video_language=nl,en,null so English YouTube trailers are not filtered out when language=nl-NL.
---
 apps/master-api/src/metadata/service.ts | 52 +++++++++++++++++++++++--
 1 file changed, 48 insertions(+), 4 deletions(-)

diff --git a/apps/master-api/src/metadata/service.ts b/apps/master-api/src/metadata/service.ts
index 1822631..cc2578e 100644
--- a/apps/master-api/src/metadata/service.ts
+++ b/apps/master-api/src/metadata/service.ts
@@ -351,6 +351,8 @@ export class MetadataService {
         api_key: this.tmdbApiKey,
         language: TMDB_LANG,
         append_to_response: "credits,videos,external_ids",
+        // Zonder dit filtert language=nl-NL YouTube-trailers weg (meestal alleen en).
+        include_video_language: "nl,en,null",
       });
       const res = await fetch(`https://api.themoviedb.org/3/${path}?${params}`);
       if (!res.ok) {
@@ -370,7 +372,13 @@ export class MetadataService {
           crew?: Array<{ name?: string; job?: string }>;
         };
         videos?: {
-          results?: Array<{ key?: string; site?: string; type?: string; official?: boolean }>;
+          results?: Array<{
+            key?: string;
+            site?: string;
+            type?: string;
+            official?: boolean;
+            iso_639_1?: string;
+          }>;
         };
         external_ids?: { imdb_id?: string | null };
       };
@@ -391,10 +399,46 @@ export class MetadataService {
         .filter((n, i, arr) => arr.indexOf(n) === i)
         .slice(0, 4);
 
-      const trailers = (data.videos?.results ?? [])
-        .filter((v) => v.site === "YouTube" && v.key && (v.type === "Trailer" || v.type === "Teaser"))
+      let videoResults = data.videos?.results ?? [];
+      // Fallback: aparte videos-call als append leeg blijft
+      if (!videoResults.length) {
+        try {
+          const vidParams = new URLSearchParams({
+            api_key: this.tmdbApiKey,
+            include_video_language: "nl,en,null",
+          });
+          const vidRes = await fetch(
+            `https://api.themoviedb.org/3/${path}/videos?${vidParams}`
+          );
+          if (vidRes.ok) {
+            const vidData = (await vidRes.json()) as { results?: typeof videoResults };
+            videoResults = vidData.results ?? [];
+          }
+        } catch {
+          // ignore
+        }
+      }
+
+      const trailerRank = (v: { type?: string; official?: boolean; iso_639_1?: string }) => {
+        const typeScore =
+          v.type === "Trailer" ? 0 : v.type === "Teaser" ? 1 : v.type === "Clip" ? 2 : 3;
+        const officialScore = v.official === false ? 1 : 0;
+        const langScore = v.iso_639_1 === "nl" ? 0 : v.iso_639_1 === "en" ? 1 : 2;
+        return typeScore * 100 + officialScore * 10 + langScore;
+      };
+      const trailers = videoResults
+        .filter(
+          (v) =>
+            v.site === "YouTube" &&
+            v.key &&
+            (v.type === "Trailer" || v.type === "Teaser" || v.type === "Clip")
+        )
+        .sort((a, b) => trailerRank(a) - trailerRank(b))
         .slice(0, 3)
-        .map((v) => ({ source: v.key!, type: "Trailer" as const }));
+        .map((v) => ({
+          source: v.key!,
+          type: (v.type === "Teaser" ? "Teaser" : "Trailer") as const,
+        }));
 
       const imdbFromExt = data.external_ids?.imdb_id?.trim();
       const resolvedImdb =