feat: harden Bunny upload flow, migrate Bunny playback to hls.js, and add Bunny storage admin stats

lib/bunny-stream-cleanup.ts

@@ -0,0 +1,55 @@
+interface BunnyVideoRef {
+  providerId: string;
+  videoId: string;
+}
+
+const BUNNY_API_BASE = 'https://video.bunnycdn.com';
+const BUNNY_VIDEO_ID_PATTERN = /^[A-Za-z0-9_-]{8,128}$/;
+
+function getBunnyConfig(): { apiKey: string; libraryId: string } {
+  const apiKey = process.env.BUNNY_STREAM_API_KEY;
+  const libraryId = process.env.BUNNY_STREAM_LIBRARY_ID || process.env.NEXT_PUBLIC_BUNNY_STREAM_LIBRARY_ID;
+
+  if (!apiKey || !libraryId) {
+    throw new Error('Bunny cleanup failed: missing BUNNY_STREAM_API_KEY or BUNNY_STREAM_LIBRARY_ID.');
+  }
+
+  return { apiKey, libraryId };
+}
+
+export async function cleanupBunnyStreamVideos(videoRefs: BunnyVideoRef[]): Promise<void> {
+  const normalizeVideoId = (value: string): string | null => {
+    const trimmed = value.trim();
+    return BUNNY_VIDEO_ID_PATTERN.test(trimmed) ? trimmed : null;
+  };
+
+  const bunnyVideoIds = [...new Set(
+    videoRefs
+      .filter((ref) => ref.providerId === 'bunny' && Boolean(ref.videoId))
+      .map((ref) => normalizeVideoId(ref.videoId))
+      .filter((videoId): videoId is string => Boolean(videoId))
+  )];
+
+  if (bunnyVideoIds.length === 0) return;
+
+  const { apiKey, libraryId } = getBunnyConfig();
+
+  for (const bunnyVideoId of bunnyVideoIds) {
+    const response = await fetch(`${BUNNY_API_BASE}/library/${libraryId}/videos/${encodeURIComponent(bunnyVideoId)}`, {
+      method: 'DELETE',
+      headers: {
+        AccessKey: apiKey,
+      },
+    });
+
+    // Treat not-found as already deleted.
+    if (response.status === 404) continue;
+
+    if (!response.ok) {
+      const body = await response.text().catch(() => '');
+      throw new Error(
+        `Bunny cleanup failed for video ${bunnyVideoId}: ${response.status} ${body.slice(0, 300)}`
+      );
+    }
+  }
+}