import { Test, TestingModule } from '@nestjs/testing';
import { INestApplication } from '@nestjs/common';
import request from 'supertest';
import { App } from 'supertest/types';
import { AppModule } from './../src/app.module';
import { HiboutikService } from './../src/services/hiboutik/hiboutik.service';
import { PrismaService } from './../prisma/prisma.service';

// Boots the real AppModule wiring, without database nor Hiboutik calls
describe('AppController (e2e)', () => {
  let app: INestApplication<App>;
  const hiboutikService = { startSync: jest.fn() };
  // Rate limiting counters (ThrottlerDatabaseStorage): the database answers "not blocked" unless a test says otherwise
  const notBlocked = { totalHits: 1, timeToExpire: 60, isBlocked: false, timeToBlockExpire: 0 };
  const prisma = { $queryRaw: jest.fn(), throttlerRecord: { deleteMany: jest.fn().mockResolvedValue({ count: 0 }) } };

  beforeEach(async () => {
    hiboutikService.startSync.mockReset();
    prisma.$queryRaw.mockReset().mockResolvedValue([notBlocked]);
    const moduleFixture: TestingModule = await Test.createTestingModule({
      imports: [AppModule],
    })
      .overrideProvider(PrismaService)
      .useValue(prisma)
      .overrideProvider(HiboutikService)
      .useValue(hiboutikService)
      .compile();

    app = moduleFixture.createNestApplication();
    await app.init();
  });

  it('POST /sync starts a synchronization (202)', () => {
    hiboutikService.startSync.mockResolvedValue(true);
    return request(app.getHttpServer()).post('/sync').expect(202).expect({ message: 'Hiboutik synchronization started' });
  });

  it('POST /sync answers 409 when a synchronization is already running', () => {
    hiboutikService.startSync.mockResolvedValue(false);
    return request(app.getHttpServer()).post('/sync').expect(409);
  });

  it('POST /sync answers 429 when the shared rate limiting counter is blocked', async () => {
    prisma.$queryRaw.mockResolvedValue([{ totalHits: 6, timeToExpire: 30, isBlocked: true, timeToBlockExpire: 30 }]);

    await request(app.getHttpServer()).post('/sync').expect(429).expect('Retry-After', '30');
    expect(hiboutikService.startSync).not.toHaveBeenCalled();
  });

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