import sinon from 'sinon';

import RegisterState from 'app/services/authFlow/RegisterState';
import CompleteState from 'app/services/authFlow/CompleteState';
import ActivationState from 'app/services/authFlow/ActivationState';
import ResendActivationState from 'app/services/authFlow/ResendActivationState';

import { bootstrap, expectState, expectNavigate, expectRun } from './helpers';

describe('RegisterState', () => {
  let state;
  let context;
  let mock;

  beforeEach(() => {
    state = new RegisterState();

    const data = bootstrap();
    context = data.context;
    mock = data.mock;
  });

  afterEach(() => {
    mock.verify();
  });

  describe('#enter', () => {
    it('should navigate to /register', () => {
      context.getState.returns({
        user: { isGuest: true },
      });

      expectNavigate(mock, '/register');

      state.enter(context);
    });
  });

  describe('#resolve', () => {
    it('should register on resolve', () => {
      const payload = {};

      expectRun(mock, 'register', sinon.match.same(payload)).returns(
        new Promise(() => {}),
      );

      state.resolve(context, payload);
    });

    it('should transition to complete after register', () => {
      const payload = {};
      const promise = Promise.resolve();

      mock.expects('run').returns(promise);
      expectState(mock, CompleteState);

      state.resolve(context, payload);

      return promise;
    });

    it('should NOT transition to complete if register fails', () => {
      const promise = Promise.reject();

      mock.expects('run').returns(promise);
      mock.expects('setState').never();

      state.resolve(context);

      return promise.catch(mock.verify.bind(mock));
    });
  });

  describe('#reject', () => {
    it('should transition to activation', () => {
      expectState(mock, ActivationState);

      state.reject(context, {});
    });

    it('should transition to resend-activation', () => {
      expectState(mock, ResendActivationState);

      state.reject(context, { requestEmail: true });
    });
  });
});