import { GlAlert, GlFormInput, GlToggle, GlLoadingIcon } from '@gitlab/ui';
import Vue from 'vue';
import VueApollo from 'vue-apollo';
import createMockApollo from 'helpers/mock_apollo_helper';
import { mountExtended, shallowMountExtended } from 'helpers/vue_test_utils_helper';
import waitForPromises from 'helpers/wait_for_promises';
import { createAlert } from '~/alert';
import InboundTokenAccess from '~/token_access/components/inbound_token_access.vue';
import inboundAddProjectCIJobTokenScopeMutation from '~/token_access/graphql/mutations/inbound_add_project_ci_job_token_scope.mutation.graphql';
import inboundRemoveProjectCIJobTokenScopeMutation from '~/token_access/graphql/mutations/inbound_remove_project_ci_job_token_scope.mutation.graphql';
import inboundUpdateCIJobTokenScopeMutation from '~/token_access/graphql/mutations/inbound_update_ci_job_token_scope.mutation.graphql';
import inboundGetCIJobTokenScopeQuery from '~/token_access/graphql/queries/inbound_get_ci_job_token_scope.query.graphql';
import inboundGetProjectsWithCIJobTokenScopeQuery from '~/token_access/graphql/queries/inbound_get_projects_with_ci_job_token_scope.query.graphql';
import {
  inboundJobTokenScopeEnabledResponse,
  inboundJobTokenScopeDisabledResponse,
  inboundProjectsWithScopeResponse,
  inboundAddProjectSuccessResponse,
  inboundRemoveProjectSuccess,
  inboundUpdateScopeSuccessResponse,
} from './mock_data';

const projectPath = 'root/my-repo';
const message = 'An error occurred';
const error = new Error(message);

Vue.use(VueApollo);

jest.mock('~/alert');

describe('TokenAccess component', () => {
  let wrapper;

  const inboundJobTokenScopeEnabledResponseHandler = jest
    .fn()
    .mockResolvedValue(inboundJobTokenScopeEnabledResponse);
  const inboundJobTokenScopeDisabledResponseHandler = jest
    .fn()
    .mockResolvedValue(inboundJobTokenScopeDisabledResponse);
  const inboundProjectsWithScopeResponseHandler = jest
    .fn()
    .mockResolvedValue(inboundProjectsWithScopeResponse);
  const inboundAddProjectSuccessResponseHandler = jest
    .fn()
    .mockResolvedValue(inboundAddProjectSuccessResponse);
  const inboundRemoveProjectSuccessHandler = jest
    .fn()
    .mockResolvedValue(inboundRemoveProjectSuccess);
  const inboundUpdateScopeSuccessResponseHandler = jest
    .fn()
    .mockResolvedValue(inboundUpdateScopeSuccessResponse);
  const failureHandler = jest.fn().mockRejectedValue(error);

  const findToggle = () => wrapper.findComponent(GlToggle);
  const findLoadingIcon = () => wrapper.findComponent(GlLoadingIcon);
  const findAddProjectBtn = () => wrapper.findByRole('button', { name: 'Add project' });
  const findCancelBtn = () => wrapper.findByRole('button', { name: 'Cancel' });
  const findProjectInput = () => wrapper.findComponent(GlFormInput);
  const findRemoveProjectBtn = () => wrapper.findByRole('button', { name: 'Remove access' });
  const findTokenDisabledAlert = () => wrapper.findComponent(GlAlert);

  const createMockApolloProvider = (requestHandlers) => {
    return createMockApollo(requestHandlers);
  };

  const createComponent = (requestHandlers, mountFn = shallowMountExtended) => {
    wrapper = mountFn(InboundTokenAccess, {
      provide: {
        fullPath: projectPath,
      },
      apolloProvider: createMockApolloProvider(requestHandlers),
      data() {
        return {
          targetProjectPath: 'root/test',
        };
      },
    });
  };

  describe('loading state', () => {
    it('shows loading state while waiting on query to resolve', async () => {
      createComponent([
        [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeEnabledResponseHandler],
        [inboundGetProjectsWithCIJobTokenScopeQuery, inboundProjectsWithScopeResponseHandler],
      ]);

      expect(findLoadingIcon().exists()).toBe(true);

      await waitForPromises();

      expect(findLoadingIcon().exists()).toBe(false);
    });
  });

  describe('fetching projects and scope', () => {
    it('fetches projects and scope correctly', () => {
      const expectedVariables = {
        fullPath: 'root/my-repo',
      };

      createComponent([
        [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeEnabledResponseHandler],
        [inboundGetProjectsWithCIJobTokenScopeQuery, inboundProjectsWithScopeResponseHandler],
      ]);

      expect(inboundJobTokenScopeEnabledResponseHandler).toHaveBeenCalledWith(expectedVariables);
      expect(inboundProjectsWithScopeResponseHandler).toHaveBeenCalledWith(expectedVariables);
    });

    it('handles fetch projects error correctly', async () => {
      createComponent([
        [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeEnabledResponseHandler],
        [inboundGetProjectsWithCIJobTokenScopeQuery, failureHandler],
      ]);

      await waitForPromises();

      expect(createAlert).toHaveBeenCalledWith({
        message: 'There was a problem fetching the projects',
      });
    });

    it('handles fetch scope error correctly', async () => {
      createComponent([
        [inboundGetCIJobTokenScopeQuery, failureHandler],
        [inboundGetProjectsWithCIJobTokenScopeQuery, inboundProjectsWithScopeResponseHandler],
      ]);

      await waitForPromises();

      expect(createAlert).toHaveBeenCalledWith({
        message: 'There was a problem fetching the job token scope value',
      });
    });
  });

  describe('toggle', () => {
    it('the toggle is on and the alert is hidden', async () => {
      createComponent([
        [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeEnabledResponseHandler],
        [inboundGetProjectsWithCIJobTokenScopeQuery, inboundProjectsWithScopeResponseHandler],
      ]);

      await waitForPromises();

      expect(findToggle().props('value')).toBe(true);
      expect(findTokenDisabledAlert().exists()).toBe(false);
    });

    it('the toggle is off and the alert is visible', async () => {
      createComponent([
        [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeDisabledResponseHandler],
        [inboundGetProjectsWithCIJobTokenScopeQuery, inboundProjectsWithScopeResponseHandler],
      ]);

      await waitForPromises();

      expect(findToggle().props('value')).toBe(false);
      expect(findTokenDisabledAlert().exists()).toBe(true);
    });

    describe('update ci job token scope', () => {
      it('calls inboundUpdateCIJobTokenScopeMutation mutation', async () => {
        createComponent(
          [
            [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeEnabledResponseHandler],
            [inboundUpdateCIJobTokenScopeMutation, inboundUpdateScopeSuccessResponseHandler],
          ],
          mountExtended,
        );

        await waitForPromises();

        expect(findToggle().props('value')).toBe(true);

        findToggle().vm.$emit('change', false);

        await waitForPromises();

        expect(findToggle().props('value')).toBe(false);
        expect(inboundUpdateScopeSuccessResponseHandler).toHaveBeenCalledWith({
          input: {
            fullPath: 'root/my-repo',
            inboundJobTokenScopeEnabled: false,
          },
        });
      });

      it('handles update scope error correctly', async () => {
        createComponent(
          [
            [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeDisabledResponseHandler],
            [inboundUpdateCIJobTokenScopeMutation, failureHandler],
          ],
          mountExtended,
        );

        await waitForPromises();

        expect(findToggle().props('value')).toBe(false);

        findToggle().vm.$emit('change', true);

        await waitForPromises();

        expect(findToggle().props('value')).toBe(false);
        expect(createAlert).toHaveBeenCalledWith({ message });
      });
    });
  });

  describe('add project', () => {
    it('calls add project mutation', async () => {
      createComponent(
        [
          [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeEnabledResponseHandler],
          [inboundGetProjectsWithCIJobTokenScopeQuery, inboundProjectsWithScopeResponseHandler],
          [inboundAddProjectCIJobTokenScopeMutation, inboundAddProjectSuccessResponseHandler],
        ],
        mountExtended,
      );

      await waitForPromises();

      findAddProjectBtn().trigger('click');

      expect(inboundAddProjectSuccessResponseHandler).toHaveBeenCalledWith({
        projectPath,
        targetProjectPath: 'root/test',
      });
    });

    it('add project handles error correctly', async () => {
      createComponent(
        [
          [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeEnabledResponseHandler],
          [inboundGetProjectsWithCIJobTokenScopeQuery, inboundProjectsWithScopeResponseHandler],
          [inboundAddProjectCIJobTokenScopeMutation, failureHandler],
        ],
        mountExtended,
      );

      await waitForPromises();

      findAddProjectBtn().trigger('click');

      await waitForPromises();

      expect(createAlert).toHaveBeenCalledWith({ message });
    });

    it('clicking cancel clears target path', async () => {
      createComponent(
        [
          [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeEnabledResponseHandler],
          [inboundGetProjectsWithCIJobTokenScopeQuery, inboundProjectsWithScopeResponseHandler],
        ],
        mountExtended,
      );

      await waitForPromises();

      expect(findProjectInput().element.value).toBe('root/test');

      await findCancelBtn().trigger('click');

      expect(findProjectInput().element.value).toBe('');
    });
  });

  describe('remove project', () => {
    it('calls remove project mutation', async () => {
      createComponent(
        [
          [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeEnabledResponseHandler],
          [inboundGetProjectsWithCIJobTokenScopeQuery, inboundProjectsWithScopeResponseHandler],
          [inboundRemoveProjectCIJobTokenScopeMutation, inboundRemoveProjectSuccessHandler],
        ],
        mountExtended,
      );

      await waitForPromises();

      findRemoveProjectBtn().trigger('click');

      expect(inboundRemoveProjectSuccessHandler).toHaveBeenCalledWith({
        projectPath,
        targetProjectPath: 'root/ci-project',
      });
    });

    it('remove project handles error correctly', async () => {
      createComponent(
        [
          [inboundGetCIJobTokenScopeQuery, inboundJobTokenScopeEnabledResponseHandler],
          [inboundGetProjectsWithCIJobTokenScopeQuery, inboundProjectsWithScopeResponseHandler],
          [inboundRemoveProjectCIJobTokenScopeMutation, failureHandler],
        ],
        mountExtended,
      );

      await waitForPromises();

      findRemoveProjectBtn().trigger('click');

      await waitForPromises();

      expect(createAlert).toHaveBeenCalledWith({ message });
    });
  });
});