added multi search engine support (didnt test) WIP

src/lib/searchEngines/google_pse.ts

@@ -0,0 +1,73 @@
+import axios from 'axios';
+import { getGoogleApiKey, getGoogleCseId } from '../../config';
+
+interface GooglePSESearchResult {
+  kind: string;
+  title: string;
+  htmlTitle: string;
+  link: string;
+  displayLink: string;
+  snippet?: string;
+  htmlSnippet?: string;
+  cacheId?: string;
+  formattedUrl: string;
+  htmlFormattedUrl: string;
+  pagemap?: {
+    videoobject: any;
+    cse_thumbnail?: Array<{
+      src: string;
+      width: string;
+      height: string;
+    }>;
+    metatags?: Array<{
+      [key: string]: string;
+      'author'?: string;
+    }>;
+    cse_image?: Array<{
+      src: string;
+    }>;
+  };
+  fileFormat?: string;
+  image?: {
+    contextLink: string;
+    thumbnailLink: string;
+  };
+  mime?: string;
+  labels?: Array<{
+    name: string;
+    displayName: string;
+  }>;
+}
+
+export const searchGooglePSE = async (query: string) => {
+  try {
+    const [googleApiKey, googleCseID] = await Promise.all([
+      getGoogleApiKey(),
+      getGoogleCseId()
+    ]);
+
+    const url = new URL(`https://www.googleapis.com/customsearch/v1`);
+    url.searchParams.append('q', query);
+    url.searchParams.append('cx', googleCseID);
+    url.searchParams.append('key', googleApiKey);
+
+    const res = await axios.get(url.toString());
+
+    if (res.data.error) {
+      throw new Error(`Google PSE Error: ${res.data.error.message}`);
+    }
+
+    const originalres = res.data.items;
+
+    const results = originalres.map((item: GooglePSESearchResult) => ({
+      title: item.title,
+      url: item.link,
+      content: item.snippet,
+      img_src: item.pagemap?.cse_image?.[0]?.src,
+    }));
+
+    return { results, originalres };
+  } catch (error) {
+    throw new Error('Google PSE Error:', error.response?.data || error.message);
+  }
+};