import fs from 'node:fs/promises';
import os from 'node:os';
import path from 'node:path';
import { afterAll, beforeAll, describe, expect, it } from 'vitest';
import { getGameDb } from '@/lib/db/client';
import { createSession } from '@/lib/auth';
import { POST } from './route';

// v0.71.0 — logout route tests: deletes the session named by X-Flight-Session, idempotently.

let dir: string;

beforeAll(async () => {
  dir = await fs.mkdtemp(path.join(os.tmpdir(), 'flight-logout-api-'));
  process.env.FLIGHT_DB_PATH = path.join(dir, 'logout.db');
});

afterAll(async () => {
  delete process.env.FLIGHT_DB_PATH;
  await fs.rm(dir, { recursive: true, force: true });
});

const post = (sessionId?: string) =>
  POST(
    new Request('http://localhost/api/logout', {
      method: 'POST',
      headers: sessionId ? { 'X-Flight-Session': sessionId } : undefined,
    }),
  );

async function mintSession(): Promise<string> {
  const inst = await getGameDb();
  return createSession(inst, 'admin-kamilkrzywda'); // any user id works — logout only deletes the session row
}

describe('POST /api/logout', () => {
  it('returns 401 without a session header', async () => {
    const res = await post();
    expect(res.status).toBe(401);
  });

  it('deletes the named session and is idempotent on repeat calls', async () => {
    const sessionId = await mintSession();
    const count = (await getGameDb()).raw.exec('SELECT COUNT(*) FROM sessions WHERE id = ?', [sessionId])[0].values[0][0];
    expect(Number(count)).toBe(1);

    const first = await post(sessionId);
    expect(first.status).toBe(200);
    expect(await first.json()).toEqual({ ok: true });

    // The row is gone…
    const after = (await getGameDb()).raw.exec('SELECT COUNT(*) FROM sessions WHERE id = ?', [sessionId])[0].values[0][0];
    expect(Number(after)).toBe(0);

    // …and a second logout of the same (now unknown) session is still 200.
    const second = await post(sessionId);
    expect(second.status).toBe(200);
    expect(await second.json()).toEqual({ ok: true });
  });
});