import { tap, expect } from '@git.zone/tstest/tapbundle';
import { VpnClient, VpnServer } from '../ts/index.js';
import type { IVpnClientOptions, IVpnServerOptions } from '../ts/index.js';

// Integration test: both client and server daemon spawns, keypair generation, full IPC roundtrip

let server: VpnServer;
let client: VpnClient;

tap.test('Integration: spawn server daemon', async () => {
  const options: IVpnServerOptions = {
    transport: { transport: 'stdio' },
  };
  server = new VpnServer(options);
  const started = await server['bridge'].start();
  expect(started).toBeTrue();
  expect(server.running).toBeTrue();
});

tap.test('Integration: server generateKeypair', async () => {
  const keypair = await server.generateKeypair();
  expect(keypair.publicKey).toBeTypeofString();
  expect(keypair.privateKey).toBeTypeofString();
  // Verify base64-encoded 32-byte keys = 44 chars
  expect(keypair.publicKey.length).toEqual(44);
  expect(keypair.privateKey.length).toEqual(44);
});

tap.test('Integration: server getStatus is disconnected', async () => {
  const status = await server.getStatus();
  expect(status.state).toEqual('disconnected');
});

tap.test('Integration: server listClients returns empty', async () => {
  const clients = await server.listClients();
  expect(clients).toBeArray();
  expect(clients.length).toEqual(0);
});

tap.test('Integration: server getStatistics returns zeros', async () => {
  const stats = await server.getStatistics();
  expect(stats.bytesSent).toEqual(0);
  expect(stats.bytesReceived).toEqual(0);
  expect(stats.activeClients).toEqual(0);
  expect(stats.totalConnections).toEqual(0);
});

tap.test('Integration: spawn client daemon', async () => {
  const options: IVpnClientOptions = {
    transport: { transport: 'stdio' },
  };
  client = new VpnClient(options);
  const started = await client.start();
  expect(started).toBeTrue();
  expect(client.running).toBeTrue();
});

tap.test('Integration: client getStatus is disconnected', async () => {
  const status = await client.getStatus();
  expect(status.state).toEqual('disconnected');
});

tap.test('Integration: client getStatistics returns zeros', async () => {
  const stats = await client.getStatistics();
  expect(stats.bytesSent).toEqual(0);
  expect(stats.bytesReceived).toEqual(0);
  expect(stats.packetsSent).toEqual(0);
  expect(stats.packetsReceived).toEqual(0);
  expect(stats.keepalivesSent).toEqual(0);
  expect(stats.keepalivesReceived).toEqual(0);
  expect(stats.uptimeSeconds).toEqual(0);
});

tap.test('Integration: stop client daemon', async () => {
  client.stop();
  await new Promise((resolve) => setTimeout(resolve, 500));
  expect(client.running).toBeFalse();
});

tap.test('Integration: stop server daemon', async () => {
  server.stop();
  await new Promise((resolve) => setTimeout(resolve, 500));
  expect(server.running).toBeFalse();
});

export default tap.start();