import type { INestApplication } from '@nestjs/common';
import request from 'supertest';
import { createTestApp, employee } from './support/create-test-app.js';

describe('Permisos de menú (e2e)', () => {
  let app: INestApplication;
  let admin: { Authorization: string };
  let luis: { Authorization: string };

  const loginAs = async (username: string) => {
    const res = await request(app.getHttpServer()).post('/api/auth/login').send({ username, password: 'secreto' }).expect(200);
    return { Authorization: `Bearer ${res.body.token}` };
  };

  beforeEach(async () => {
    app = await createTestApp([employee('ana', 1), employee('luis', 2)], 'ana');
    admin = await loginAs('ana');
  });

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

  it('el administrador del .env obtiene "*" al arrancar', async () => {
    const res = await request(app.getHttpServer()).get('/api/user/menu').set(admin).expect(200);
    expect(res.body).toEqual({ allowedPaths: ['*'] });
  });

  it('un usuario sin permisos recibe menú vacío', async () => {
    luis = await loginAs('luis');
    const res = await request(app.getHttpServer()).get('/api/user/menu').set(luis).expect(200);
    expect(res.body.allowedPaths).toEqual([]);
  });

  it('el admin asigna permisos y el usuario los ve; un no-admin no puede administrar', async () => {
    await request(app.getHttpServer())
      .put('/api/permissions/luis')
      .set(admin)
      .send({ paths: ['/ventas/*', '/inventario/articulos', '/ventas/*'] })
      .expect(200)
      .expect({ webUser: 'luis', paths: ['/inventario/articulos', '/ventas/*'] });

    luis = await loginAs('luis');
    const menu = await request(app.getHttpServer()).get('/api/user/menu').set(luis).expect(200);
    expect(menu.body.allowedPaths).toEqual(['/inventario/articulos', '/ventas/*']);

    await request(app.getHttpServer()).get('/api/permissions').set(luis).expect(403);
    await request(app.getHttpServer()).put('/api/permissions/luis').set(luis).send({ paths: ['*'] }).expect(403);
  });

  it('PUT reemplaza, GET lista y DELETE elimina', async () => {
    await request(app.getHttpServer()).put('/api/permissions/luis').set(admin).send({ paths: ['/ventas/*'] }).expect(200);
    await request(app.getHttpServer()).put('/api/permissions/luis').set(admin).send({ paths: ['/compras/*'] }).expect(200);

    const list = await request(app.getHttpServer()).get('/api/permissions').set(admin).expect(200);
    expect(list.body).toEqual([
      { webUser: 'ana', paths: ['*'] },
      { webUser: 'luis', paths: ['/compras/*'] },
    ]);

    await request(app.getHttpServer()).delete('/api/permissions/luis').set(admin).expect(204);
    const one = await request(app.getHttpServer()).get('/api/permissions/luis').set(admin).expect(200);
    expect(one.body.paths).toEqual([]);
  });

  it('rechaza patrones inválidos', async () => {
    for (const bad of ['ventas', '/ventas/', '/ventas/*/x', '/a b', '**', '']) {
      await request(app.getHttpServer()).put('/api/permissions/luis').set(admin).send({ paths: [bad] }).expect(400);
    }
    await request(app.getHttpServer()).put('/api/permissions/luis').set(admin).send({}).expect(400);
  });

  it('no permite quitar el acceso total al último administrador', async () => {
    await request(app.getHttpServer()).put('/api/permissions/ana').set(admin).send({ paths: ['/ventas/*'] }).expect(409);
    await request(app.getHttpServer()).delete('/api/permissions/ana').set(admin).expect(409);

    // con un segundo administrador, ana sí puede dejar de serlo
    await request(app.getHttpServer()).put('/api/permissions/luis').set(admin).send({ paths: ['*'] }).expect(200);
    await request(app.getHttpServer()).put('/api/permissions/ana').set(admin).send({ paths: ['/ventas/*'] }).expect(200);
  });

  it('sin sesión no se accede al menú ni a la administración', async () => {
    await request(app.getHttpServer()).get('/api/user/menu').expect(401);
    await request(app.getHttpServer()).get('/api/permissions').expect(401);
  });
});