process.env.DATABASE_PATH = ':memory:';
process.env.THEMES_DIR = './themes';
process.env.FRONTEND_DIST = './frontend/dist';
process.env.UPLOAD_SIZE_LIMIT = '5mb';
process.env.NODE_ENV = 'test';

import { Test } from '@nestjs/testing';
import { INestApplication, ValidationPipe } from '@nestjs/common';
import { HttpAdapterHost } from '@nestjs/core';
import cookieParser from 'cookie-parser';
import * as express from 'express';
import request from 'supertest';
import { CookieAccessInfo } from 'cookiejar';
import { AppModule } from '../../backend/src/app.module';
import { GlobalExceptionFilter } from '../../backend/src/common/filters/global-exception.filter';
import { CsrfMiddleware } from '../../backend/src/common/middleware/csrf.middleware';
import { ConfigService } from '@nestjs/config';
import { initDb } from './db-helper';

async function buildAgent(
  app: INestApplication,
  username: string,
  password: string,
): Promise<{ agent: any; token: string }> {
  const server = app.getHttpServer();
  const agent = request.agent(server);
  await agent.get('/api/v1/auth/csrf');
  const csrf = (agent.jar.getCookies(CookieAccessInfo.All) as any).find((c: any) => c.name === 'csrf');
  const res = await agent
    .post('/api/v1/auth/login')
    .set('X-CSRF-Token', csrf.value)
    .send({ username, password })
    .expect(201);
  (agent as any).accessToken = res.body.accessToken as string;
  return { agent, token: res.body.accessToken as string };
}

async function csrfHeaderFor(agent: any): Promise<string> {
  const cookies = agent.jar.getCookies(CookieAccessInfo.All);
  return (cookies as any[]).find((c: any) => c.name === 'csrf').value as string;
}

describe('Job 871: System endpoint authorization', () => {
  let app: INestApplication;
  let adminAgent: any;
  let adminToken: string;
  let playerAgent: any;
  let playerToken: string;

  beforeAll(async () => {
    const moduleRef = await Test.createTestingModule({ imports: [AppModule] }).compile();
    app = moduleRef.createNestApplication();
    app.use(cookieParser());
    app.use(express.json({ limit: '10mb' }));
    const csrfMw = new CsrfMiddleware(app.get(ConfigService));
    app.use((req: any, res: any, next: any) => csrfMw.use(req, res, next));
    app.useGlobalPipes(new ValidationPipe({ whitelist: true, forbidNonWhitelisted: false, transform: true }));
    const httpAdapterHost = app.get(HttpAdapterHost);
    app.useGlobalFilters(new GlobalExceptionFilter(httpAdapterHost));
    await app.init();
    await initDb(app);

    await request(app.getHttpServer())
      .post('/api/v1/auth/register-first-admin')
      .send({ username: 'admin', password: 'Sup3rSecret!Pass' })
      .expect(201);

    adminAgent = request.agent(app.getHttpServer());
    await adminAgent.get('/api/v1/auth/csrf');
    const csrfAdmin = (adminAgent.jar.getCookies(CookieAccessInfo.All) as any).find((c: any) => c.name === 'csrf');
    const adminLogin = await adminAgent
      .post('/api/v1/auth/login')
      .set('X-CSRF-Token', csrfAdmin.value)
      .send({ username: 'admin', password: 'Sup3rSecret!Pass' })
      .expect(201);
    adminToken = adminLogin.body.accessToken;
    (adminAgent as any).accessToken = adminToken;

    await adminAgent
      .post('/api/v1/admin/users')
      .set('Authorization', `Bearer ${adminToken}`)
      .set('X-CSRF-Token', csrfAdmin.value)
      .send({ username: 'player1', password: 'Sup3rSecret!Pass', role: 'player' })
      .expect(201);

    const playerLogin = await adminAgent
      .post('/api/v1/auth/login')
      .set('X-CSRF-Token', csrfAdmin.value)
      .send({ username: 'player1', password: 'Sup3rSecret!Pass' })
      .expect(201);
    playerToken = playerLogin.body.accessToken;

    playerAgent = request.agent(app.getHttpServer());
    await playerAgent.get('/api/v1/auth/csrf');
    const csrfPlayer = (playerAgent.jar.getCookies(CookieAccessInfo.All) as any).find((c: any) => c.name === 'csrf');
    await playerAgent
      .post('/api/v1/auth/login')
      .set('X-CSRF-Token', csrfPlayer.value)
      .send({ username: 'player1', password: 'Sup3rSecret!Pass' })
      .expect(201);
    (playerAgent as any).accessToken = playerToken;
  });

  afterAll(async () => {
    await app.close();
  });

  it('GET /admin/system/backup without token returns 401', async () => {
    await request(app.getHttpServer()).get('/api/v1/admin/system/backup').expect(401);
  });

  it('GET /admin/system/backup with player JWT returns 403', async () => {
    await request(app.getHttpServer())
      .get('/api/v1/admin/system/backup')
      .set('Authorization', `Bearer ${playerToken}`)
      .expect(403);
  });

  it('GET /admin/system/backup with admin JWT returns 200 application/json', async () => {
    const res = await request(app.getHttpServer())
      .get('/api/v1/admin/system/backup')
      .set('Authorization', `Bearer ${adminToken}`)
      .expect(200);
    expect(res.headers['content-type']).toMatch(/application\/json/);
    expect(typeof res.text).toBe('string');
    const parsed = JSON.parse(res.text);
    expect(parsed.format).toBe('hipctf-system-backup');
    expect(parsed.tables).toBeDefined();
    expect(Array.isArray(parsed.uploads)).toBe(true);
  });
});