Add saved search editor component

This introduces a new form for the saved search component.

We currently are not rendering this shoelace dialog. That will happen in
a future PR along with some playwright tests.

This dialog handles the creation, updating and deletion of the saved search.

Author: jcscottiii

frontend/src/static/img/shoelace/assets/icons/exclamation-octagon.svg

@@ -0,0 +1,333 @@
+/**
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {expect, fixture, html, oneEvent, waitUntil} from '@open-wc/testing';
+import sinon from 'sinon';
+import {WebstatusSavedSearchEditor} from '../webstatus-saved-search-editor.js';
+import '../webstatus-saved-search-editor.js';
+import {APIClient} from '../../api/client.js';
+import {UserSavedSearch} from '../../utils/constants.js';
+import {SlAlert, SlDialog, SlInput, SlTextarea} from '@shoelace-style/shoelace';
+import {Toast} from '../../utils/toast.js';
+import {WebstatusTypeahead} from '../webstatus-typeahead.js';
+import {taskUpdateComplete} from './test-helpers.js';
+import {User} from '../../contexts/firebase-user-context.js';
+import {InternalServerError} from '../../api/errors.js';
+import {TaskStatus} from '@lit/task';
+describe('webstatus-saved-search-editor', () => {
+  let el: WebstatusSavedSearchEditor;
+  let apiClientStub: sinon.SinonStubbedInstance<APIClient>;
+  let toastStub: sinon.SinonStub;
+
+  const newSearchQuery = 'new-query';
+  const existingSearch: UserSavedSearch = {
+    id: 'existing123',
+    name: 'Existing Search',
+    query: 'existing-query',
+    description: 'Existing Description',
+    updated_at: '2024-01-01T00:00:00Z',
+    created_at: '2024-01-01T00:00:00Z',
+    permissions: {role: 'saved_search_owner'},
+  };
+
+  const mockUser: User = {
+    getIdToken: sinon.stub().resolves('mock-token'),
+  } as unknown as User;
+
+  async function setupComponent(
+    operation: 'save' | 'edit' | 'delete',
+    savedSearch?: UserSavedSearch,
+    overviewPageQueryInput?: WebstatusTypeahead,
+  ): Promise<WebstatusSavedSearchEditor> {
+    apiClientStub = sinon.createStubInstance(APIClient);
+    toastStub = sinon.stub(Toast.prototype, 'toast');
+
+    const component = await fixture<WebstatusSavedSearchEditor>(html`
+      <webstatus-saved-search-editor
+        .user=${mockUser}
+        .apiClient=${apiClientStub}
+      ></webstatus-saved-search-editor>
+    `);
+    // Manually open the dialog after fixture creation
+    await component.open(operation, savedSearch, overviewPageQueryInput);
+    await component.updateComplete;
+    return component;
+  }
+
+  afterEach(() => {
+    sinon.restore();
+  });
+
+  describe('Rendering', () => {
+    it('renders correctly for a new search (save operation)', async () => {
+      const mockTypeahead = {value: newSearchQuery} as WebstatusTypeahead;
+      el = await setupComponent('save', undefined, mockTypeahead);
+      await expect(el).shadowDom.to.be.accessible();
+
+      const dialog = el.shadowRoot?.querySelector<SlDialog>('sl-dialog');
+      expect(dialog?.label).to.equal('Save New Search');
+
+      const nameInput = el.shadowRoot?.querySelector<SlInput>('#name');
+      const descriptionInput =
+        el.shadowRoot?.querySelector<SlTextarea>('#description');
+      const queryInput = el.shadowRoot?.querySelector<WebstatusTypeahead>(
+        'webstatus-typeahead',
+      );
+      expect(nameInput?.value).to.equal('');
+      expect(descriptionInput?.value).to.equal('');
+      expect(queryInput?.value).to.equal(newSearchQuery);
+    });
+
+    it('renders correctly for an existing search (edit operation)', async () => {
+      el = await setupComponent('edit', existingSearch);
+      await expect(el).shadowDom.to.be.accessible();
+
+      const dialog = el.shadowRoot?.querySelector<SlDialog>('sl-dialog');
+      expect(dialog?.label).to.equal('Edit Saved Search');
+
+      const nameInput = el.shadowRoot?.querySelector<SlInput>('#name');
+      const descriptionInput =
+        el.shadowRoot?.querySelector<SlTextarea>('#description');
+      const queryInput = el.shadowRoot?.querySelector<WebstatusTypeahead>(
+        'webstatus-typeahead',
+      );
+      expect(nameInput?.value).to.equal(existingSearch.name);
+      expect(descriptionInput?.value).to.equal(existingSearch.description);
+      expect(queryInput?.value).to.equal(existingSearch.query);
+    });
+
+    it('renders correctly for delete operation', async () => {
+      el = await setupComponent('delete', existingSearch);
+      await expect(el).shadowDom.to.be.accessible();
+
+      const dialog = el.shadowRoot?.querySelector<SlDialog>('sl-dialog');
+      expect(dialog?.label).to.equal('Delete Saved Search');
+      expect(dialog?.textContent).to.contain('Are you sure');
+    });
+  });
+
+  describe('Form Submission (Save)', () => {
+    it('calls createSavedSearch for a new search and dispatches "save" event', async () => {
+      const mockTypeahead = {value: newSearchQuery} as WebstatusTypeahead;
+      el = await setupComponent('save', undefined, mockTypeahead);
+      const savedSearchData = {
+        ...existingSearch,
+        id: 'new123',
+        name: 'New Search',
+        description: 'New Desc',
+        query: newSearchQuery,
+        created_at: '2024-01-01T00:00:00Z',
+        updated_at: '2024-01-01T00:00:00Z',
+      };
+      apiClientStub.createSavedSearch.resolves(savedSearchData);
+
+      // Simulate user input
+      const nameInput = el.shadowRoot?.querySelector<SlInput>('#name');
+      const descriptionInput =
+        el.shadowRoot?.querySelector<SlTextarea>('#description');
+      const queryInput = el.shadowRoot?.querySelector<WebstatusTypeahead>(
+        'webstatus-typeahead',
+      );
+      nameInput!.value = 'New Search';
+      descriptionInput!.value = 'New Desc';
+      // Should already be set by open()
+      queryInput!.value = newSearchQuery;
+      await el.updateComplete;
+
+      const form =
+        el.shadowRoot?.querySelector<HTMLFormElement>('#editor-form');
+      const saveEventPromise = oneEvent(el, 'saved-search-saved');
+
+      form?.requestSubmit();
+
+      const saveEvent = await saveEventPromise;
+
+      expect(apiClientStub.createSavedSearch).to.have.been.calledOnceWith(
+        'mock-token',
+        {
+          name: 'New Search',
+          description: 'New Desc',
+          query: newSearchQuery,
+        },
+      );
+      expect(saveEvent.detail).to.deep.equal(savedSearchData);
+      // Toast is handled internally by the component on success/error
+      expect(toastStub).to.not.have.been.called;
+      expect(el.isOpen()).to.be.false;
+    });
+
+    it('calls updateSavedSearch for an existing search and dispatches "save" event', async () => {
+      el = await setupComponent('edit', existingSearch);
+      const updatedSearchData = {
+        ...existingSearch,
+        name: 'Updated Name',
+        query: 'updated-query',
+        created_at: '2024-01-01T00:00:00Z',
+        updated_at: '2025-01-01T00:00:00Z',
+      };
+      apiClientStub.updateSavedSearch.resolves(updatedSearchData);
+
+      // Simulate user input
+      const nameInput = el.shadowRoot?.querySelector<SlInput>('#name');
+      const queryInput = el.shadowRoot?.querySelector<WebstatusTypeahead>(
+        'webstatus-typeahead',
+      );
+      nameInput!.value = 'Updated Name';
+      queryInput!.value = 'updated-query';
+      await el.updateComplete;
+
+      const form =
+        el.shadowRoot?.querySelector<HTMLFormElement>('#editor-form');
+      const editEventPromise = oneEvent(el, 'saved-search-edited');
+
+      form?.requestSubmit();
+
+      const editEvent = await editEventPromise;
+
+      expect(apiClientStub.updateSavedSearch).to.have.been.calledOnceWith(
+        {
+          id: existingSearch.id,
+          name: 'Updated Name',
+          description: undefined, // Description didn't change
+          query: 'updated-query',
+        },
+        'mock-token',
+      );
+      expect(editEvent.detail).to.deep.equal(updatedSearchData);
+      expect(toastStub).to.not.have.been.called;
+      expect(el.isOpen()).to.be.false;
+    });
+
+    it('shows an error toast if saving fails', async () => {
+      el = await setupComponent('save', undefined, {
+        value: newSearchQuery,
+      } as WebstatusTypeahead);
+      const error = new InternalServerError('Save failed');
+      apiClientStub.createSavedSearch.rejects(error);
+
+      const nameInput = el.shadowRoot?.querySelector<SlInput>('#name');
+      nameInput!.value = 'Fail Search';
+      await el.updateComplete;
+
+      const form =
+        el.shadowRoot?.querySelector<HTMLFormElement>('#editor-form');
+      form?.requestSubmit();
+
+      // Wait for the task to complete (or fail)
+      await waitUntil(() => el['_currentTask']?.status === TaskStatus.ERROR);
+      await taskUpdateComplete();
+
+      expect(apiClientStub.createSavedSearch).to.have.been.calledOnce;
+      expect(toastStub).to.have.been.calledWith(
+        'Save failed',
+        'danger',
+        'exclamation-triangle',
+      );
+      // Dialog should remain open on error
+      expect(el.isOpen()).to.be.true;
+    });
+
+    it('shows alert and prevents submission if name is empty', async () => {
+      el = await setupComponent('save', undefined, {
+        value: newSearchQuery,
+      } as WebstatusTypeahead);
+      const form =
+        el.shadowRoot?.querySelector<HTMLFormElement>('#editor-form');
+      const alert = el.shadowRoot?.querySelector<SlAlert>(
+        'sl-alert#editor-alert',
+      );
+      const nameInput = el.shadowRoot?.querySelector<SlInput>('#name');
+
+      // Ensure name is empty
+      nameInput!.value = '';
+      await el.updateComplete;
+
+      form?.requestSubmit();
+      await el.updateComplete;
+
+      expect(apiClientStub.createSavedSearch).to.not.have.been.called;
+      expect(alert?.open).to.be.true;
+      // Dialog should remain open
+      expect(el.isOpen()).to.be.true;
+    });
+  });
+
+  describe('Delete Functionality', () => {
+    beforeEach(async () => {
+      el = await setupComponent('delete', existingSearch);
+    });
+
+    it('calls removeSavedSearchByID and dispatches "saved-search-deleted" event on confirmation', async () => {
+      apiClientStub.removeSavedSearchByID.resolves();
+      const form =
+        el.shadowRoot?.querySelector<HTMLFormElement>('#editor-form');
+      const deleteEventPromise = oneEvent(el, 'saved-search-deleted');
+
+      // Submit the delete confirmation form
+      form?.requestSubmit();
+
+      const deleteEvent = await deleteEventPromise;
+
+      expect(apiClientStub.removeSavedSearchByID).to.have.been.calledOnceWith(
+        existingSearch.id,
+        'mock-token',
+      );
+      expect(deleteEvent.detail).to.equal(existingSearch.id);
+      expect(toastStub).to.not.have.been.called;
+      expect(el.isOpen()).to.be.false;
+    });
+
+    it('shows an error toast if deletion fails', async () => {
+      const error = new InternalServerError('Delete failed');
+      apiClientStub.removeSavedSearchByID.rejects(error);
+      const form =
+        el.shadowRoot?.querySelector<HTMLFormElement>('#editor-form');
+
+      // Submit the delete confirmation form
+      form?.requestSubmit();
+
+      // Wait for the task to complete (or fail)
+      await waitUntil(() => el['_currentTask']?.status === TaskStatus.ERROR);
+      await taskUpdateComplete();
+
+      expect(apiClientStub.removeSavedSearchByID).to.have.been.calledOnce;
+      expect(toastStub).to.have.been.calledWith(
+        'Delete failed',
+        'danger',
+        'exclamation-triangle',
+      );
+      // Dialog should remain open on error
+      expect(el.isOpen()).to.be.true;
+    });
+  });
+
+  describe('Cancel Button', () => {
+    it('dispatches "saved-search-cancelled" event when cancel button is clicked', async () => {
+      el = await setupComponent('edit', existingSearch);
+      const cancelButton = el.shadowRoot?.querySelector<HTMLButtonElement>(
+        'sl-button[variant="default"]',
+      ); // Assuming cancel is the default button
+      const cancelEventPromise = oneEvent(el, 'saved-search-cancelled');
+
+      cancelButton?.click();
+
+      // Just ensure the event is fired
+      await cancelEventPromise;
+      // No specific detail expected for cancel event
+      expect(el.isOpen()).to.be.false;
+    });
+  });
+});