import { describe, expect, it } from "vitest";
import { peerWebSocketUrl, toDiscoveredPeer } from "./sync-bridge";

describe("sync-bridge helpers", () => {
  const basePeer = {
    deviceId: "p1",
    deviceName: "iPhone",
    host: "192.168.1.10",
    port: 44100,
    x25519PublicKey: "abc",
    pairing: false,
  };

  it("toDiscoveredPeer carries wsPort and alreadyPaired", () => {
    const peer = toDiscoveredPeer({ ...basePeer, wsPort: 44101 }, true);
    expect(peer).toEqual({
      deviceId: "p1",
      deviceName: "iPhone",
      host: "192.168.1.10",
      port: 44100,
      wsPort: 44101,
      x25519PublicKey: "abc",
      alreadyPaired: true,
    });
  });

  it("toDiscoveredPeer omits wsPort when not advertised", () => {
    const peer = toDiscoveredPeer(basePeer, false);
    expect(peer.wsPort).toBeUndefined();
    expect(peer.alreadyPaired).toBe(false);
  });

  it("peerWebSocketUrl builds ws:// URL using wsPort", () => {
    expect(peerWebSocketUrl({ ...basePeer, wsPort: 44101 })).toBe(
      "ws://192.168.1.10:44101/"
    );
  });

  it("peerWebSocketUrl throws when wsPort is missing", () => {
    expect(() => peerWebSocketUrl(basePeer)).toThrow(
      "peer did not advertise a WebSocket port"
    );
  });
});