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 { GET } from './route';

// v0.71.0 — /api/me tests: resolves X-Flight-Session to its user, 401 otherwise.

let dir: string;

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

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

const get = (sessionId?: string) =>
  GET(
    new Request('http://localhost/api/me', {
      headers: sessionId ? { 'X-Flight-Session': sessionId } : undefined,
    }),
  );

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

  it('returns 401 for an unknown session id', async () => {
    const res = await get('00000000-0000-4000-8000-000000000000');
    expect(res.status).toBe(401);
  });

  it('returns 401 for an expired session', async () => {
    const inst = await getGameDb();
    // A session whose expiry is already in the past.
    inst.raw.run('INSERT INTO sessions (id, user_id, expires_at) VALUES (?, ?, ?)', [
      'expired-session-id',
      'admin-kamilkrzywda',
      Date.now() - 1000,
    ]);
    const res = await get('expired-session-id');
    expect(res.status).toBe(401);
  });

  it('returns the user for a live session (admin flag included)', async () => {
    const sessionId = await createSession(await getGameDb(), 'admin-kamilkrzywda');
    const res = await get(sessionId);
    expect(res.status).toBe(200);
    expect(await res.json()).toEqual({ username: 'kamilkrzywda', admin: true });
  });

  it('reports non-admin users as such', async () => {
    const inst = await getGameDb();
    inst.raw.run(
      `INSERT INTO users (id, username, password_hash, admin, created_at)
       SELECT 'user-me-test', 'me-test-user', 'aa$bb', 0, ? WHERE NOT EXISTS (SELECT 1 FROM users WHERE id = 'user-me-test')`,
      [Date.now()],
    );
    const sessionId = await createSession(inst, 'user-me-test');
    const res = await get(sessionId);
    expect(res.status).toBe(200);
    expect(await res.json()).toEqual({ username: 'me-test-user', admin: false });
  });
});