import '../utils/dismiss-local-backup';

describe('Editorial Workflow', () => {
  const workflowStatus = { draft: 'Drafts', review: 'In Review', ready: 'Ready' };
  const editorStatus = { draft: 'Draft', review: 'In review', ready: 'Ready' };
  const entry1 = { title: 'first title', body: 'first body' };
  const entry2 = { title: 'second title', body: 'second body' };
  const entry3 = { title: 'third title', body: 'third body' };
  const setting1 = { limit: 10, author: 'John Doe' };
  const setting2 = { name: 'Andrew Wommack', description: 'A Gospel Teacher' };
  const notifications = {
    saved: 'Entry saved',
    published: 'Entry published',
    updated: 'Entry status updated',
    deletedUnpublished: 'Unpublished changes deleted',
    error: {
      missingField: "Oops, you've missed a required field. Please complete before saving.",
    },
    validation: {
      range: {
        fieldLabel: 'Number of posts on frontpage',
        message: 'Number of posts on frontpage must be between 1 and 10.',
      },
    },
  };

  describe('Test Backend', () => {
    function login() {
      cy.viewport(1200, 1200);
      cy.visit('/');
      cy.contains('button', 'Login').click();
    }

    function createPost({ title, body }) {
      cy.contains('a', 'New Post').click();
      cy.get('input')
        .first()
        .type(title);
      cy.get('[data-slate-editor]')
        .click()
        .type(body);
      cy.get('input')
        .first()
        .click();
      cy.contains('button', 'Save').click();
      assertNotification(notifications.saved);
    }

    function validateObjectFields({ limit, author }) {
      cy.get('a[href^="#/collections/settings"]').click();
      cy.get('a[href^="#/collections/settings/entries/general"]').click();
      cy.get('input[type=number]').type(limit);
      cy.contains('button', 'Save').click();
      assertNotification(notifications.error.missingField);
      cy.contains('label', 'Default Author').click();
      cy.focused().type(author);
      cy.contains('button', 'Save').click();
      assertNotification(notifications.saved);
    }

    function validateNestedObjectFields({ limit, author }) {
      cy.get('a[href^="#/collections/settings"]').click();
      cy.get('a[href^="#/collections/settings/entries/general"]').click();
      cy.contains('label', 'Default Author').click();
      cy.focused().type(author);
      cy.contains('button', 'Save').click();
      assertNotification(notifications.error.missingField);
      cy.get('input[type=number]').type(limit + 1);
      cy.contains('button', 'Save').click();
      assertFieldValidationError(notifications.validation.range);
      cy.get('input[type=number]')
        .clear()
        .type(-1);
      cy.contains('button', 'Save').click();
      assertFieldValidationError(notifications.validation.range);
      cy.get('input[type=number]')
        .clear()
        .type(limit);
      cy.contains('button', 'Save').click();
      assertNotification(notifications.saved);
    }

    function validateListFields({ name, description }) {
      cy.get('a[href^="#/collections/settings"]').click();
      cy.get('a[href^="#/collections/settings/entries/authors"]').click();
      cy.contains('button', 'Add').click();
      cy.contains('button', 'Save').click();
      assertNotification(notifications.error.missingField);
      cy.get('input')
        .eq(2)
        .type(name);
      cy.get('[data-slate-editor]')
        .eq(2)
        .type(description);
      cy.contains('button', 'Save').click();
    }

    function exitEditor() {
      cy.contains('a[href^="#/collections/"]', 'Writing in').click();
    }

    function deleteEntryInEditor() {
      cy.contains('button', 'Delete').click();
      assertNotification(notifications.deletedUnpublished);
    }

    function assertEntryDeleted(entry) {
      if (Array.isArray(entry)) {
        const titles = entry.map(e => e.title);
        cy.get('a h2').each((el, idx) => {
          expect(titles).not.to.include(el.text());
        });
      } else {
        cy.get('a h2').each((el, idx) => {
          expect(entry.title).not.to.equal(el.text());
        });
      }
    }

    function createAndDeletePost(entry) {
      createPost(entry);
      deleteEntryInEditor();
    }

    function createPostAndExit(entry) {
      createPost(entry);
      exitEditor();
    }

    function createPublishedPost(entry) {
      createPost(entry);
      updateWorkflowStatusInEditor(editorStatus.ready);
      publishInEditor();
    }

    function createPublishedPostAndExit(entry) {
      createPublishedPost(entry);
      exitEditor();
    }

    function validateObjectFieldsAndExit(setting) {
      validateObjectFields(setting);
      exitEditor();
    }

    function validateNestedObjectFieldsAndExit(setting) {
      validateNestedObjectFields(setting);
      exitEditor();
    }

    function validateListFieldsAndExit(setting) {
      validateListFields(setting);
      exitEditor();
    }

    function goToWorkflow() {
      cy.contains('a', 'Workflow').click();
    }

    function goToCollections() {
      cy.contains('a', 'Content').click();
    }

    function updateWorkflowStatus({ title }, fromColumnHeading, toColumnHeading) {
      cy.contains('h2', fromColumnHeading)
        .parent()
        .contains('a', title)
        .trigger('dragstart', {
          dataTransfer: {},
          force: true,
        });
      cy.contains('h2', toColumnHeading)
        .parent()
        .trigger('drop', {
          dataTransfer: {},
          force: true,
        });
      assertNotification(notifications.updated);
    }

    function assertWorkflowStatus({ title }, status) {
      cy.contains('h2', status)
        .parent()
        .contains('a', title);
    }

    function updateWorkflowStatusInEditor(newStatus) {
      cy.contains('[role="button"]', 'Set status').as('setStatusButton');
      cy.get('@setStatusButton')
        .parent()
        .within(() => {
          cy.get('@setStatusButton').click();
          cy.contains('[role="menuitem"] span', newStatus).click();
        });
      assertNotification(notifications.updated);
    }

    function assertWorkflowStatusInEditor(status) {
      cy.contains('[role="button"]', 'Set status').as('setStatusButton');
      cy.get('@setStatusButton')
        .parent()
        .within(() => {
          cy.get('@setStatusButton').click();
          cy.contains('[role="menuitem"] span', status)
            .parent()
            .within(() => {
              cy.get('svg');
            });
          cy.get('@setStatusButton').click();
        });
    }

    function publishWorkflowEntry({ title }) {
      cy.contains('h2', workflowStatus.ready)
        .parent()
        .within(() => {
          cy.contains('a', title)
            .parent()
            .within(() => {
              cy.contains('button', 'Publish new entry').click({ force: true });
            });
        });
      assertNotification(notifications.published);
    }

    function assertPublishedEntry(entry) {
      if (Array.isArray(entry)) {
        const entries = entry.reverse();
        cy.get('a h2').then(els => {
          cy.wrap(els.slice(0, entries.length)).each((el, idx) => {
            cy.wrap(el).contains(entries[idx].title);
          });
        });
      } else {
        cy.get('a h2')
          .first()
          .contains(entry.title);
      }
    }

    function assertNotification(message) {
      if (Array.isArray(message)) {
        const messages = message.reverse();
        cy.get('.notif__container div')
          .should('have.length.of', messages.length)
          .each((el, idx) => {
            cy.wrap(el)
              .contains(messages[idx])
              .invoke('hide');
          });
      } else {
        cy.get('.notif__container').within(() => {
          cy.contains(message).invoke('hide');
        });
      }
    }

    function assertFieldValidationError({ message, fieldLabel }) {
      cy.contains('label', fieldLabel)
        .siblings('ul[class*=ControlErrorsList]')
        .contains(message);
    }

    function assertOnCollectionsPage() {
      cy.url().should('contain', '/#/collections/posts');
      cy.contains('h2', 'Collections');
    }

    it('successfully loads', () => {
      login();
    });

    it('can create an entry', () => {
      login();
      createPostAndExit(entry1);
    });

    it('can validate object fields', () => {
      login();
      validateObjectFieldsAndExit(setting1);
    });

    it('can validate fields nested in an object field', () => {
      login();
      validateNestedObjectFieldsAndExit(setting1);
    });

    it('can validate list fields', () => {
      login();
      validateListFieldsAndExit(setting2);
    });

    it('can publish an editorial workflow entry', () => {
      login();
      createPostAndExit(entry1);
      goToWorkflow();
      updateWorkflowStatus(entry1, workflowStatus.draft, workflowStatus.ready);
      publishWorkflowEntry(entry1);
    });

    it('can change workflow status', () => {
      login();
      createPostAndExit(entry1);
      goToWorkflow();
      updateWorkflowStatus(entry1, workflowStatus.draft, workflowStatus.review);
      updateWorkflowStatus(entry1, workflowStatus.review, workflowStatus.ready);
      updateWorkflowStatus(entry1, workflowStatus.ready, workflowStatus.review);
      updateWorkflowStatus(entry1, workflowStatus.review, workflowStatus.draft);
      updateWorkflowStatus(entry1, workflowStatus.draft, workflowStatus.ready);
    });

    it('can change status on and publish multiple entries', () => {
      login();
      createPostAndExit(entry1);
      createPostAndExit(entry2);
      createPostAndExit(entry3);
      goToWorkflow();
      updateWorkflowStatus(entry3, workflowStatus.draft, workflowStatus.ready);
      updateWorkflowStatus(entry2, workflowStatus.draft, workflowStatus.ready);
      updateWorkflowStatus(entry1, workflowStatus.draft, workflowStatus.ready);
      publishWorkflowEntry(entry3);
      publishWorkflowEntry(entry2);
      publishWorkflowEntry(entry1);
      goToCollections();
      assertPublishedEntry([entry3, entry2, entry1]);
    });

    it('can delete an entry', () => {
      login();
      createPost(entry1);
      deleteEntryInEditor();
      assertOnCollectionsPage();
      assertEntryDeleted(entry1);
    });

    it('can update workflow status from within the editor', () => {
      login();
      createPost(entry1);
      assertWorkflowStatusInEditor(editorStatus.draft);
      updateWorkflowStatusInEditor(editorStatus.review);
      assertWorkflowStatusInEditor(editorStatus.review);
      updateWorkflowStatusInEditor(editorStatus.ready);
      assertWorkflowStatusInEditor(editorStatus.ready);
      exitEditor();
      goToWorkflow();
      assertWorkflowStatus(entry1, workflowStatus.ready);
    });
  });
});