process.env.DATABASE_PATH = ':memory:';
process.env.THEMES_DIR = './themes';
process.env.FRONTEND_DIST = './frontend/dist';

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';

describe('Authenticated shell preconditions smoke', () => {
  let app: INestApplication;
  const ADMIN_USER = 'admin';
  const ADMIN_PASS = 'Sup3rSecret!Pass';
  const NEW_PASS = 'N3wSecret!Pass-Y';

  beforeAll(async () => {
    const moduleRef = await Test.createTestingModule({ imports: [AppModule] }).compile();
    app = moduleRef.createNestApplication();
    app.use(cookieParser());
    app.use(express.json({ limit: '1mb' }));
    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_USER, password: ADMIN_PASS })
      .expect(201);
  });

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

  it('login + /me returns the projected user (id, username, role, rank, points)', async () => {
    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 login = await agent
      .post('/api/v1/auth/login')
      .set('X-CSRF-Token', csrf.value)
      .send({ username: ADMIN_USER, password: ADMIN_PASS });
    expect(login.status).toBeGreaterThanOrEqual(200);
    expect(login.status).toBeLessThan(300);
    const token = login.body.accessToken as string;
    expect(typeof token).toBe('string');

    const me = await agent
      .get('/api/v1/auth/me')
      .set('Authorization', `Bearer ${token}`)
      .expect(200);
    expect(me.body.username).toBe(ADMIN_USER);
    expect(me.body.role).toBe('admin');
    expect(typeof me.body.id).toBe('string');
    expect(typeof me.body.points).toBe('number');
    expect(me.body).toHaveProperty('rank');
  });

  it('change-password happy path returns 204 and the new password authenticates', async () => {
    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 login = await agent
      .post('/api/v1/auth/login')
      .set('X-CSRF-Token', csrf.value)
      .send({ username: ADMIN_USER, password: ADMIN_PASS });
    expect(login.status).toBeGreaterThanOrEqual(200);
    expect(login.status).toBeLessThan(300);
    const token = login.body.accessToken as string;

    await agent
      .post('/api/v1/auth/change-password')
      .set('Authorization', `Bearer ${token}`)
      .set('X-CSRF-Token', csrf.value)
      .send({
        oldPassword: ADMIN_PASS,
        newPassword: NEW_PASS,
        confirmNewPassword: NEW_PASS,
      })
      .expect(204);

    const relogin = await agent
      .post('/api/v1/auth/login')
      .set('X-CSRF-Token', csrf.value)
      .send({ username: ADMIN_USER, password: NEW_PASS });
    expect(relogin.status).toBeGreaterThanOrEqual(200);
    expect(relogin.status).toBeLessThan(300);
    expect(relogin.body.accessToken).toBeDefined();
  });
});