import { decimalFromString } from '../../../common/decimal';
import { bondEvent, dividendEvent } from './upcoming-event.mapper';
jest.mock('../../../prisma/prisma.service', () => ({
  PrismaService: class {},
}));
const metadata = {
  figi: 'figi',
  instrumentUid: 'uid',
  ticker: 'TEST',
  displayName: 'Synthetic',
  isin: null,
  logoName: null,
};
describe('forecast financial projections', () => {
  it('preserves registry dates, source currency and exact signed fractional quantities', () => {
    expect(
      dividendEvent(metadata, decimalFromString('-2.5'), {
        recordDate: { seconds: String(Date.parse('2026-10-13Z') / 1000) },
        dividendNet: { currency: 'usd', units: '10', nano: 1 },
      }),
    ).toMatchObject({
      date: '2026-10-13',
      dateKind: 'registry',
      projectedAmount: { currency: 'USD', value: '-25.0000000025' },
    });
  });
  it('does not invent an amount for offers or missing currency', () => {
    expect(
      bondEvent(metadata, decimalFromString('3'), {
        type: 'offer',
        date: '2026-10-01',
      }).projectedAmount,
    ).toBeNull();
    expect(
      dividendEvent(metadata, decimalFromString('3'), {
        recordDate: { seconds: '1790812800' },
        dividendNet: { units: '10' },
      }).projectedAmount,
    ).toBeNull();
  });
  it('preserves redemption as a non-income event with its exact amount', () => {
    expect(
      bondEvent(metadata, decimalFromString('2.5'), {
        type: 'maturity',
        date: '2026-10-01',
        currency: 'rub',
        value: '500.000000001',
      }),
    ).toMatchObject({
      type: 'maturity',
      projectedAmount: { currency: 'RUB', value: '1250.0000000025' },
    });
  });
});