import { GlToggle } from '@gitlab/ui';
import { shallowMount, mount } from '@vue/test-utils';
import projectFeatureSetting from '~/pages/projects/shared/permissions/components/project_feature_setting.vue';
import settingsPanel from '~/pages/projects/shared/permissions/components/settings_panel.vue';
import {
  featureAccessLevel,
  visibilityLevelDescriptions,
  visibilityOptions,
} from '~/pages/projects/shared/permissions/constants';

const defaultProps = {
  currentSettings: {
    visibilityLevel: 10,
    requestAccessEnabled: true,
    issuesAccessLevel: 20,
    repositoryAccessLevel: 20,
    forkingAccessLevel: 20,
    mergeRequestsAccessLevel: 20,
    buildsAccessLevel: 20,
    wikiAccessLevel: 20,
    snippetsAccessLevel: 20,
    operationsAccessLevel: 20,
    pagesAccessLevel: 10,
    analyticsAccessLevel: 20,
    containerRegistryEnabled: true,
    lfsEnabled: true,
    emailsDisabled: false,
    packagesEnabled: true,
    showDefaultAwardEmojis: true,
    allowEditingCommitMessages: false,
  },
  canDisableEmails: true,
  canChangeVisibilityLevel: true,
  allowedVisibilityOptions: [0, 10, 20],
  visibilityHelpPath: '/help/public_access/public_access',
  registryAvailable: false,
  registryHelpPath: '/help/user/packages/container_registry/index',
  lfsAvailable: true,
  lfsHelpPath: '/help/topics/git/lfs/index',
  lfsObjectsExist: false,
  lfsObjectsRemovalHelpPath: `/help/topics/git/lfs/index#removing-objects-from-lfs`,
  pagesAvailable: true,
  pagesAccessControlEnabled: false,
  pagesAccessControlForced: false,
  pagesHelpPath: '/help/user/project/pages/introduction#gitlab-pages-access-control',
  packagesAvailable: false,
  packagesHelpPath: '/help/user/packages/index',
};

describe('Settings Panel', () => {
  let wrapper;

  const mountComponent = (
    { currentSettings = {}, glFeatures = {}, ...customProps } = {},
    mountFn = shallowMount,
  ) => {
    const propsData = {
      ...defaultProps,
      ...customProps,
      currentSettings: { ...defaultProps.currentSettings, ...currentSettings },
    };

    return mountFn(settingsPanel, {
      propsData,
      provide: {
        glFeatures,
      },
    });
  };

  const findLFSSettingsRow = () => wrapper.find({ ref: 'git-lfs-settings' });
  const findLFSSettingsMessage = () => findLFSSettingsRow().find('p');
  const findLFSFeatureToggle = () => findLFSSettingsRow().find(GlToggle);
  const findRepositoryFeatureProjectRow = () => wrapper.find({ ref: 'repository-settings' });
  const findRepositoryFeatureSetting = () =>
    findRepositoryFeatureProjectRow().find(projectFeatureSetting);
  const findProjectVisibilitySettings = () => wrapper.find({ ref: 'project-visibility-settings' });
  const findAnalyticsRow = () => wrapper.find({ ref: 'analytics-settings' });
  const findProjectVisibilityLevelInput = () => wrapper.find('[name="project[visibility_level]"]');
  const findRequestAccessEnabledInput = () =>
    wrapper.find('[name="project[request_access_enabled]"]');
  const findMergeRequestsAccessLevelInput = () =>
    wrapper.find('[name="project[project_feature_attributes][merge_requests_access_level]"]');
  const findForkingAccessLevelInput = () =>
    wrapper.find('[name="project[project_feature_attributes][forking_access_level]"]');
  const findBuildsAccessLevelInput = () =>
    wrapper.find('[name="project[project_feature_attributes][builds_access_level]"]');
  const findContainerRegistrySettings = () => wrapper.find({ ref: 'container-registry-settings' });
  const findContainerRegistryEnabledInput = () =>
    wrapper.find('[name="project[container_registry_enabled]"]');
  const findPackageSettings = () => wrapper.find({ ref: 'package-settings' });
  const findPackagesEnabledInput = () => wrapper.find('[name="project[packages_enabled]"]');
  const findPagesSettings = () => wrapper.find({ ref: 'pages-settings' });
  const findEmailSettings = () => wrapper.find({ ref: 'email-settings' });
  const findShowDefaultAwardEmojis = () =>
    wrapper.find('input[name="project[project_setting_attributes][show_default_award_emojis]"]');
  const findMetricsVisibilitySettings = () => wrapper.find({ ref: 'metrics-visibility-settings' });
  const findAllowEditingCommitMessages = () =>
    wrapper.find({ ref: 'allow-editing-commit-messages' }).exists();
  const findOperationsSettings = () => wrapper.find({ ref: 'operations-settings' });

  afterEach(() => {
    wrapper.destroy();
    wrapper = null;
  });

  describe('Project Visibility', () => {
    it('should set the project visibility help path', () => {
      wrapper = mountComponent();

      expect(findProjectVisibilitySettings().props('helpPath')).toBe(
        defaultProps.visibilityHelpPath,
      );
    });

    it('should not disable the visibility level dropdown', () => {
      wrapper = mountComponent({ canChangeVisibilityLevel: true });

      expect(findProjectVisibilityLevelInput().attributes('disabled')).toBeUndefined();
    });

    it('should disable the visibility level dropdown', () => {
      wrapper = mountComponent({ canChangeVisibilityLevel: false });

      expect(findProjectVisibilityLevelInput().attributes('disabled')).toBe('disabled');
    });

    it.each`
      option                        | allowedOptions                                                                       | disabled
      ${visibilityOptions.PRIVATE}  | ${[visibilityOptions.PRIVATE, visibilityOptions.INTERNAL, visibilityOptions.PUBLIC]} | ${false}
      ${visibilityOptions.PRIVATE}  | ${[visibilityOptions.INTERNAL, visibilityOptions.PUBLIC]}                            | ${true}
      ${visibilityOptions.INTERNAL} | ${[visibilityOptions.PRIVATE, visibilityOptions.INTERNAL, visibilityOptions.PUBLIC]} | ${false}
      ${visibilityOptions.INTERNAL} | ${[visibilityOptions.PRIVATE, visibilityOptions.PUBLIC]}                             | ${true}
      ${visibilityOptions.PUBLIC}   | ${[visibilityOptions.PRIVATE, visibilityOptions.INTERNAL, visibilityOptions.PUBLIC]} | ${false}
      ${visibilityOptions.PUBLIC}   | ${[visibilityOptions.PRIVATE, visibilityOptions.INTERNAL]}                           | ${true}
    `(
      'sets disabled to $disabled for the visibility option $option when given $allowedOptions',
      ({ option, allowedOptions, disabled }) => {
        wrapper = mountComponent({ allowedVisibilityOptions: allowedOptions });

        const attributeValue = findProjectVisibilityLevelInput()
          .find(`option[value="${option}"]`)
          .attributes('disabled');

        const expected = disabled ? 'disabled' : undefined;

        expect(attributeValue).toBe(expected);
      },
    );

    it('should set the visibility level description based upon the selected visibility level', () => {
      wrapper = mountComponent();

      findProjectVisibilityLevelInput().setValue(visibilityOptions.INTERNAL);

      expect(findProjectVisibilitySettings().text()).toContain(
        visibilityLevelDescriptions[visibilityOptions.INTERNAL],
      );
    });

    it('should show the request access checkbox if the visibility level is not private', () => {
      wrapper = mountComponent({
        currentSettings: { visibilityLevel: visibilityOptions.INTERNAL },
      });

      expect(findRequestAccessEnabledInput().exists()).toBe(true);
    });

    it('should not show the request access checkbox if the visibility level is private', () => {
      wrapper = mountComponent({ currentSettings: { visibilityLevel: visibilityOptions.PRIVATE } });

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

  describe('Repository', () => {
    it('should set the repository help text when the visibility level is set to private', () => {
      wrapper = mountComponent({ currentSettings: { visibilityLevel: visibilityOptions.PRIVATE } });

      expect(findRepositoryFeatureProjectRow().props('helpText')).toBe(
        'View and edit files in this project.',
      );
    });

    it('should set the repository help text with a read access warning when the visibility level is set to non-private', () => {
      wrapper = mountComponent({ currentSettings: { visibilityLevel: visibilityOptions.PUBLIC } });

      expect(findRepositoryFeatureProjectRow().props('helpText')).toBe(
        'View and edit files in this project. Non-project members will only have read access.',
      );
    });
  });

  describe('Merge requests', () => {
    it('should enable the merge requests access level input when the repository is enabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.EVERYONE },
      });

      expect(findMergeRequestsAccessLevelInput().props('disabledInput')).toBe(false);
    });

    it('should disable the merge requests access level input when the repository is disabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.NOT_ENABLED },
      });

      expect(findMergeRequestsAccessLevelInput().props('disabledInput')).toBe(true);
    });
  });

  describe('Forks', () => {
    it('should enable the forking access level input when the repository is enabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.EVERYONE },
      });

      expect(findForkingAccessLevelInput().props('disabledInput')).toBe(false);
    });

    it('should disable the forking access level input when the repository is disabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.NOT_ENABLED },
      });

      expect(findForkingAccessLevelInput().props('disabledInput')).toBe(true);
    });
  });

  describe('Pipelines', () => {
    it('should enable the builds access level input when the repository is enabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.EVERYONE },
      });

      expect(findBuildsAccessLevelInput().props('disabledInput')).toBe(false);
    });

    it('should disable the builds access level input when the repository is disabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.NOT_ENABLED },
      });

      expect(findBuildsAccessLevelInput().props('disabledInput')).toBe(true);
    });
  });

  describe('Container registry', () => {
    it('should show the container registry settings if the registry is available', () => {
      wrapper = mountComponent({ registryAvailable: true });

      expect(findContainerRegistrySettings().exists()).toBe(true);
    });

    it('should hide the container registry settings if the registry is not available', () => {
      wrapper = mountComponent({ registryAvailable: false });

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

    it('should set the container registry settings help path', () => {
      wrapper = mountComponent({ registryAvailable: true });

      expect(findContainerRegistrySettings().props('helpPath')).toBe(defaultProps.registryHelpPath);
    });

    it('should show the container registry public note if the visibility level is public and the registry is available', () => {
      wrapper = mountComponent({
        currentSettings: { visibilityLevel: visibilityOptions.PUBLIC },
        registryAvailable: true,
      });

      expect(findContainerRegistrySettings().text()).toContain(
        'Note: the container registry is always visible when a project is public',
      );
    });

    it('should hide the container registry public note if the visibility level is private and the registry is available', () => {
      wrapper = mountComponent({
        currentSettings: { visibilityLevel: visibilityOptions.PRIVATE },
        registryAvailable: true,
      });

      expect(findContainerRegistrySettings().text()).not.toContain(
        'Note: the container registry is always visible when a project is public',
      );
    });

    it('should enable the container registry input when the repository is enabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.EVERYONE },
        registryAvailable: true,
      });

      expect(findContainerRegistryEnabledInput().props('disabled')).toBe(false);
    });

    it('should disable the container registry input when the repository is disabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.NOT_ENABLED },
        registryAvailable: true,
      });

      expect(findContainerRegistryEnabledInput().props('disabled')).toBe(true);
    });
  });

  describe('Git Large File Storage', () => {
    it('should show the LFS settings if LFS is available', () => {
      wrapper = mountComponent({ lfsAvailable: true });

      expect(findLFSSettingsRow().exists()).toBe(true);
    });

    it('should hide the LFS settings if LFS is not available', () => {
      wrapper = mountComponent({ lfsAvailable: false });

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

    it('should set the LFS settings help path', () => {
      wrapper = mountComponent();
      expect(findLFSSettingsRow().props('helpPath')).toBe(defaultProps.lfsHelpPath);
    });

    it('should enable the LFS input when the repository is enabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.EVERYONE },
        lfsAvailable: true,
      });

      expect(findLFSFeatureToggle().props('disabled')).toBe(false);
    });

    it('should disable the LFS input when the repository is disabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.NOT_ENABLED },
        lfsAvailable: true,
      });

      expect(findLFSFeatureToggle().props('disabled')).toBe(true);
    });

    it('should not change lfsEnabled when disabling the repository', async () => {
      // mount over shallowMount, because we are aiming to test rendered state of toggle
      wrapper = mountComponent({ currentSettings: { lfsEnabled: true } }, mount);

      const repositoryFeatureToggleButton = findRepositoryFeatureSetting().find('button');
      const lfsFeatureToggleButton = findLFSFeatureToggle().find('button');
      const isToggleButtonChecked = (toggleButton) => toggleButton.classes('is-checked');

      // assert the initial state
      expect(isToggleButtonChecked(lfsFeatureToggleButton)).toBe(true);
      expect(isToggleButtonChecked(repositoryFeatureToggleButton)).toBe(true);

      await repositoryFeatureToggleButton.trigger('click');

      expect(isToggleButtonChecked(repositoryFeatureToggleButton)).toBe(false);
      // LFS toggle should still be checked
      expect(isToggleButtonChecked(lfsFeatureToggleButton)).toBe(true);
    });

    describe.each`
      lfsObjectsExist | lfsEnabled | isShown
      ${true}         | ${true}    | ${false}
      ${true}         | ${false}   | ${true}
      ${false}        | ${true}    | ${false}
      ${false}        | ${false}   | ${false}
    `(
      'with (lfsObjectsExist = $lfsObjectsExist, lfsEnabled = $lfsEnabled)',
      ({ lfsObjectsExist, lfsEnabled, isShown }) => {
        beforeEach(() => {
          wrapper = mountComponent({ lfsObjectsExist, currentSettings: { lfsEnabled } }, mount);
        });

        if (isShown) {
          it('shows warning message', () => {
            const message = findLFSSettingsMessage();
            const link = message.find('a');

            expect(message.text()).toContain(
              'LFS objects from this repository are available to forks.',
            );
            expect(link.text()).toBe('How do I remove them?');
            expect(link.attributes('href')).toBe(
              '/help/topics/git/lfs/index#removing-objects-from-lfs',
            );
          });
        } else {
          it('does not show warning message', () => {
            expect(findLFSSettingsMessage().exists()).toBe(false);
          });
        }
      },
    );
  });

  describe('Packages', () => {
    it('should show the packages settings if packages are available', () => {
      wrapper = mountComponent({ packagesAvailable: true });

      expect(findPackageSettings().exists()).toBe(true);
    });

    it('should hide the packages settings if packages are not available', () => {
      wrapper = mountComponent({ packagesAvailable: false });

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

    it('should set the package settings help path', () => {
      wrapper = mountComponent({ packagesAvailable: true });

      expect(findPackageSettings().props('helpPath')).toBe(defaultProps.packagesHelpPath);
    });

    it('should enable the packages input when the repository is enabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.EVERYONE },
        packagesAvailable: true,
      });

      expect(findPackagesEnabledInput().props('disabled')).toBe(false);
    });

    it('should disable the packages input when the repository is disabled', () => {
      wrapper = mountComponent({
        currentSettings: { repositoryAccessLevel: featureAccessLevel.NOT_ENABLED },
        packagesAvailable: true,
      });

      expect(findPackagesEnabledInput().props('disabled')).toBe(true);
    });
  });

  describe('Pages', () => {
    it.each`
      pagesAvailable | pagesAccessControlEnabled | visibility
      ${true}        | ${true}                   | ${'show'}
      ${true}        | ${false}                  | ${'hide'}
      ${false}       | ${true}                   | ${'hide'}
      ${false}       | ${false}                  | ${'hide'}
    `(
      'should $visibility the page settings if pagesAvailable is $pagesAvailable and pagesAccessControlEnabled is $pagesAccessControlEnabled',
      ({ pagesAvailable, pagesAccessControlEnabled, visibility }) => {
        wrapper = mountComponent({ pagesAvailable, pagesAccessControlEnabled });

        expect(findPagesSettings().exists()).toBe(visibility === 'show');
      },
    );

    it('should set the pages settings help path', () => {
      wrapper = mountComponent({ pagesAvailable: true, pagesAccessControlEnabled: true });

      expect(findPagesSettings().props('helpPath')).toBe(defaultProps.pagesHelpPath);
    });
  });

  describe('Email notifications', () => {
    it('should show the disable email notifications input if emails an be disabled', () => {
      wrapper = mountComponent({ canDisableEmails: true });

      expect(findEmailSettings().exists()).toBe(true);
    });

    it('should hide the disable email notifications input if emails cannot be disabled', () => {
      wrapper = mountComponent({ canDisableEmails: false });

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

  describe('Default award emojis', () => {
    it('should show the "Show default award emojis" input', () => {
      wrapper = mountComponent();

      expect(findShowDefaultAwardEmojis().exists()).toBe(true);
    });
  });

  describe('Metrics dashboard', () => {
    it('should show the metrics dashboard access toggle', () => {
      wrapper = mountComponent();

      expect(findMetricsVisibilitySettings().exists()).toBe(true);
    });

    it('should contain help text', () => {
      wrapper = mountComponent();

      expect(findMetricsVisibilitySettings().props('helpText')).toBe(
        "Visualize the project's performance metrics.",
      );
    });

    it.each`
      scenario                                                                          | selectedOption                                | selectedOptionLabel
      ${{ currentSettings: { visibilityLevel: visibilityOptions.PRIVATE } }}            | ${String(featureAccessLevel.PROJECT_MEMBERS)} | ${'Only Project Members'}
      ${{ currentSettings: { operationsAccessLevel: featureAccessLevel.NOT_ENABLED } }} | ${String(featureAccessLevel.NOT_ENABLED)}     | ${'Enable feature to choose access level'}
    `(
      'should disable the metrics visibility dropdown when #scenario',
      ({ scenario, selectedOption, selectedOptionLabel }) => {
        wrapper = mountComponent(scenario, mount);

        const select = findMetricsVisibilitySettings().find('select');
        const option = select.find('option');

        expect(select.attributes('disabled')).toBe('disabled');
        expect(select.element.value).toBe(selectedOption);
        expect(option.attributes('value')).toBe(selectedOption);
        expect(option.text()).toBe(selectedOptionLabel);
      },
    );
  });

  describe('Settings panel with feature flags', () => {
    describe('Allow edit of commit message', () => {
      it('should show the allow editing of commit messages checkbox', () => {
        wrapper = mountComponent({
          glFeatures: { allowEditingCommitMessages: true },
        });

        expect(findAllowEditingCommitMessages()).toBe(true);
      });
    });
  });

  describe('Analytics', () => {
    it('should show the analytics toggle', () => {
      wrapper = mountComponent();

      expect(findAnalyticsRow().exists()).toBe(true);
    });
  });

  describe('Operations', () => {
    it('should show the operations toggle', () => {
      wrapper = mountComponent();

      expect(findOperationsSettings().exists()).toBe(true);
    });
  });
});