import { appConfig } from '../../entities/AppConfig.fixture';
import { AgentAuthClient } from '../../clients/AgentAuthClient';
import { AgentState } from '../../state/AgentState';
import { AgentLoginController } from './AgentLogin';
import { Mock, It, IMock, Times } from 'typemoq';
import { expect } from 'chai';

describe('Agent login controller', () => {
  let agentAuthClient: IMock<AgentAuthClient>;
  let agentState: AgentState;
  let controller: AgentLoginController;

  beforeEach(() => {
    agentAuthClient = Mock.ofType<AgentAuthClient>();
    agentState = { username: null };
    controller = new AgentLoginController(agentAuthClient.object, agentState);
  });

  it('should login the agent using the provided details', () => {
    const loginResponse = Promise.resolve({ data: { username: 'john' } });
    agentAuthClient.setup(x => x.login('john', 'password')).returns(() => loginResponse).verifiable();
    controller.username = 'john';
    controller.password = 'password';
    controller.login();
    agentAuthClient.verifyAll();
    return loginResponse.then(_ => expect(agentState.username).to.equal("john"));
  });

  it('should propagate the error if login failed', () => {
    const loginResponse = Promise.reject<{}>({ data: { message: "Invalid details" } });
    agentAuthClient.setup(x => x.login('john', 'password')).returns(() => loginResponse).verifiable();
    controller.username = 'john';
    controller.password = 'password';
    controller.login();
    agentAuthClient.verifyAll();
    return loginResponse.catch(_ =>
      expect(agentState.username).to.be.null &&
      expect(controller.error.message).to.equal("Invalid details")
    );
  })

  it('should not attempt a login if the form is incomplete', () => {
    controller.login();
    agentAuthClient.verify(x => x.login(It.isAnyString(), It.isAnyString()), Times.never());
  });
});