import { afterEach, describe, expect, it } from 'vitest';
import { buildFakeRepos } from '../helpers/fake-repos.js';
import { makeAttribution, makeModule, makePersonne } from '../helpers/fixtures.js';
import {
  READ_ALL_TOKEN,
  WRITE_ALL_TOKEN,
  buildTestApp,
  installTestContainer,
  resetTestContainer,
} from '../helpers/test-app.js';

function postAttribuer(
  app: ReturnType<typeof buildTestApp>,
  body: Record<string, unknown>,
  token = WRITE_ALL_TOKEN,
) {
  return app.request('/api/v1/modules/200/attribuer', {
    method: 'POST',
    headers: {
      Authorization: `Bearer ${token}`,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify(body),
  });
}

describe('POST /api/v1/modules/:id/attribuer', () => {
  afterEach(resetTestContainer);

  it('happy path 201 + persistance via repo', async () => {
    const repos = buildFakeRepos({
      personnes: [makePersonne({ id: 1, roles: ['formateur'] })],
      modules: [makeModule(200, 100)],
    });
    const app = buildTestApp(installTestContainer({ repos }));

    const res = await postAttribuer(app, {
      personne_id: 1,
      heures: 10,
      date_debut: '2026-09-01T00:00:00Z',
    });
    expect(res.status).toBe(201);
    const body = (await res.json()) as { data: { attribution_id: number; statut: string } };
    expect(body.data.statut).toBe('planifie');
    expect(repos.attributions.lastCreated?.heuresAttribuees.toNumber()).toBe(10);
  });

  it('422 RG-01 si heures > capacite module', async () => {
    const repos = buildFakeRepos({
      personnes: [makePersonne({ id: 1, roles: ['formateur'] })],
      modules: [makeModule(200, 100)], // heuresPrevues = 30
      attributions: [makeAttribution({ id: 500, moduleId: 200, personneId: 99 })], // 10h deja
    });
    const app = buildTestApp(installTestContainer({ repos }));

    const res = await postAttribuer(app, { personne_id: 1, heures: 50 });
    expect(res.status).toBe(422);
    const body = (await res.json()) as { error: { code: string; details: { rule: string } } };
    expect(body.error.code).toBe('RG_VIOLATION');
    expect(body.error.details.rule).toBe('RG-01');
  });

  it('422 (validation) si role formateur manquant', async () => {
    const repos = buildFakeRepos({
      personnes: [makePersonne({ id: 1, roles: ['developpeur'] })],
      modules: [makeModule(200, 100)],
    });
    const app = buildTestApp(installTestContainer({ repos }));

    const res = await postAttribuer(app, { personne_id: 1, heures: 5 });
    expect(res.status).toBe(400);
    const body = (await res.json()) as { error: { code: string } };
    expect(body.error.code).toBe('VALIDATION_ERROR');
  });

  it('400 si body invalide (heures negatives)', async () => {
    const repos = buildFakeRepos({});
    const app = buildTestApp(installTestContainer({ repos }));
    const res = await postAttribuer(app, { personne_id: 1, heures: -3 });
    expect(res.status).toBe(400);
  });

  it('401 sans token', async () => {
    const repos = buildFakeRepos({});
    const app = buildTestApp(installTestContainer({ repos }));
    const res = await app.request('/api/v1/modules/200/attribuer', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ personne_id: 1, heures: 5 }),
    });
    expect(res.status).toBe(401);
  });

  it('403 avec mauvais scope', async () => {
    const repos = buildFakeRepos({});
    const app = buildTestApp(installTestContainer({ repos }));
    const res = await postAttribuer(app, { personne_id: 1, heures: 5 }, READ_ALL_TOKEN);
    expect(res.status).toBe(403);
  });
});