新增私人影视库功能

src/lib/tmdb.search.ts

@@ -0,0 +1,111 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+import { HttpsProxyAgent } from 'https-proxy-agent';
+
+export interface TMDBSearchResult {
+  id: number;
+  title?: string; // 电影
+  name?: string; // 电视剧
+  poster_path: string | null;
+  release_date?: string;
+  first_air_date?: string;
+  overview: string;
+  vote_average: number;
+  media_type: 'movie' | 'tv';
+}
+
+interface TMDBSearchResponse {
+  results: TMDBSearchResult[];
+  page: number;
+  total_pages: number;
+  total_results: number;
+}
+
+// 代理 agent 缓存，避免每次都创建新实例
+const proxyAgentCache = new Map<string, HttpsProxyAgent<string>>();
+
+/**
+ * 获取或创建代理 agent（复用连接池）
+ */
+function getProxyAgent(proxy: string): HttpsProxyAgent<string> {
+  if (!proxyAgentCache.has(proxy)) {
+    const agent = new HttpsProxyAgent(proxy, {
+      // 增加超时时间
+      timeout: 30000, // 30秒
+      // 保持连接活跃
+      keepAlive: true,
+      keepAliveMsecs: 60000, // 60秒
+      // 最大空闲连接数
+      maxSockets: 10,
+      maxFreeSockets: 5,
+    });
+    proxyAgentCache.set(proxy, agent);
+  }
+  return proxyAgentCache.get(proxy)!;
+}
+
+/**
+ * 搜索 TMDB (电影+电视剧)
+ */
+export async function searchTMDB(
+  apiKey: string,
+  query: string,
+  proxy?: string
+): Promise<{ code: number; result: TMDBSearchResult | null }> {
+  try {
+    if (!apiKey) {
+      return { code: 400, result: null };
+    }
+
+    // 使用 multi search 同时搜索电影和电视剧
+    const url = `https://api.themoviedb.org/3/search/multi?api_key=${apiKey}&language=zh-CN&query=${encodeURIComponent(query)}&page=1`;
+
+    const fetchOptions: any = proxy
+      ? {
+          agent: getProxyAgent(proxy),
+          // 设置请求超时（30秒）
+          signal: AbortSignal.timeout(30000),
+        }
+      : {
+          // 即使不用代理也设置超时
+          signal: AbortSignal.timeout(15000),
+        };
+
+    const response = await fetch(url, fetchOptions);
+
+    if (!response.ok) {
+      console.error('TMDB 搜索失败:', response.status, response.statusText);
+      return { code: response.status, result: null };
+    }
+
+    const data: TMDBSearchResponse = await response.json();
+
+    // 过滤出电影和电视剧，取第一个结果
+    const validResults = data.results.filter(
+      (item) => item.media_type === 'movie' || item.media_type === 'tv'
+    );
+
+    if (validResults.length === 0) {
+      return { code: 404, result: null };
+    }
+
+    return {
+      code: 200,
+      result: validResults[0],
+    };
+  } catch (error) {
+    console.error('TMDB 搜索异常:', error);
+    return { code: 500, result: null };
+  }
+}
+
+/**
+ * 获取 TMDB 图片完整 URL
+ */
+export function getTMDBImageUrl(
+  path: string | null,
+  size: string = 'w500'
+): string {
+  if (!path) return '';
+  return `https://image.tmdb.org/t/p/${size}${path}`;
+}