import { Test, TestingModule } from '@nestjs/testing';
import { ConfigModule } from '@nestjs/config';
import { CandlesService } from './candles.service';
import { MoexClientService } from '../moex-client/moex-client.service';
import { CacheService } from '../cache/cache.service';
import configuration from '../../config/configuration';
import { CandleInterval } from './dto/candles-query.dto';

describe('CandlesService', () => {
  let service: CandlesService;

  beforeEach(async () => {
    const module: TestingModule = await Test.createTestingModule({
      imports: [ConfigModule.forRoot({ load: [configuration] })],
      providers: [
        CandlesService,
        MoexClientService,
        {
          provide: 'CACHE_MANAGER',
          useValue: {
            get: () => undefined,
            set: () => Promise.resolve(),
            del: () => Promise.resolve(),
          },
        },
        CacheService,
      ],
    }).compile();

    service = module.get<CandlesService>(CandlesService);
  });

  it('should be defined', () => {
    expect(service).toBeDefined();
  });

  it('should return daily candles for SBER', async () => {
    const result = await service.getCandles(
      'shares',
      'SBER',
      CandleInterval.DAY,
      '2026-05-01',
      '2026-06-01',
    );
    expect(result.data.length).toBeGreaterThan(0);
    expect(result.data[0].open).toBeDefined();
  }, 15000);
});