import { expect, test, describe } from "bun:test";
import { handleRequest } from "./index";

describe("Metadata API (Tracker Resilience)", () => {
  test("handles timeouts from unresponsive trackers correctly", async () => {
    // Magnet with one real tracker and two non-existent ones
    const magnetURI = "magnet:?xt=urn:btih:A18230D43BDA105BE7DEF84CB711859018AAA92D&tr=udp%3A%2F%2F127.0.0.1%3A1%2Fannounce&tr=udp%3A%2F%2F10.255.255.1%3A6969%2Fannounce&tr=udp%3A%2F%2Ftracker.opentrackr.org%3A1337";
    
    const req = new Request("http://localhost/api/metadata", {
      method: "POST",
      body: JSON.stringify({ magnetURI }),
      headers: { "Content-Type": "application/json" }
    });

    console.log("[Test] Querying mix of garbage and real trackers...");
    const startTime = Date.now();
    const res: Response = await handleRequest(req);
    const duration = Date.now() - startTime;
    
    expect(res.status).toBe(200);
    const body = await res.json();
    
    console.log(`[Test] Request completed in ${duration}ms`);
    console.log(`[Test] Peers found: ${body.peers.length}`);

    // The tracker timeout is 3s. Total time shouldn't exceed the meta-timeout (10s) 
    // significantly unless retrieval is actually happening.
    expect(duration).toBeLessThan(45000); 
    
    // Even with 2 garbage trackers, we should find peers from opentrackr
    if (body.peers.length === 0) {
      console.log("[Test] Warning: No peers found in resilience test. This can happen if opentrackr is down.");
    } else {
      expect(body.peers.length).toBeGreaterThan(0);
    }
  }, 60000);
});