import { google } from "googleapis";
import { extractVideoId } from "./validators.js";
export interface VideoMetadata {
title: string;
channelTitle: string;
description: string;
publishedAt: string;
thumbnailUrl: string;
}
export class YouTubeMetadataClient {
private youtube;
constructor(apiKey: string) {
this.youtube = google.youtube({
version: "v3",
auth: apiKey,
});
}
async getMetadata(youtubeUrl: string): Promise<VideoMetadata> {
try {
const videoId = extractVideoId(youtubeUrl);
const response = await this.youtube.videos.list({
part: ["snippet"],
id: [videoId],
});
const video = response.data.items?.[0];
if (!video?.snippet) {
throw new Error(`No metadata found for video: ${videoId}`);
}
const snippet = video.snippet;
return {
title: snippet.title || "Unknown",
channelTitle: snippet.channelTitle || "Unknown",
description: snippet.description || "",
publishedAt: snippet.publishedAt || "",
thumbnailUrl:
snippet.thumbnails?.high?.url ||
snippet.thumbnails?.default?.url ||
"",
};
} catch (error) {
const message = error instanceof Error ? error.message : String(error);
throw new Error(`Failed to fetch YouTube metadata: ${message}`);
}
}
}
