1 files changed, 52 insertions, 0 deletions
diff --git a/api/index.ts b/api/index.ts
new file mode 100644
index 0000000..59c4920
--- /dev/null
+++ b/api/index.ts
@@ -0,0 +1,52 @@
+import dotenv from "dotenv";
+import express, {
+  type Request,
+  type Response,
+  type NextFunction,
+} from "express";
+import cors from "cors";
+import { WORDLIST } from "./wordlist";
+import { getGroupName as getCategoryName } from "./ai";
+import { rateLimit } from "express-rate-limit";
+
+dotenv.config();
+
+const PORT = 4000;
+
+const limiter = rateLimit({
+  windowMs: 1 * 60 * 1000, //5 minute
+  limit: 20, // 20 requests per minute
+});
+
+const app = express();
+app.use(cors());
+app.use(express.json());
+app.use(limiter);
+
+app.set("trust proxy", "loopback"); // specify a single subnet
+
+app.get("/api/", (req, res) => {
+  res.send("HEALTHY");
+});
+
+app.get("/api/random-words", (req, res) => {
+  let words: string[] = [];
+  while (words.length < 16) {
+    const candidateWord = WORDLIST[Math.round(Math.random() * WORDLIST.length)];
+    if (candidateWord.length < 4) {
+      continue;
+    }
+    words.push(candidateWord);
+  }
+  res.send(words);
+});
+
+app.post("/api/group-words", async (req, res) => {
+  res.send(await getCategoryName(req.body.words));
+});
+
+app.listen(PORT, () => {
+  console.log("Initialized");
+});
+
+export default app;