// Copyright 2024 The Forgejo Authors. All rights reserved.
// SPDX-License-Identifier: GPL-3.0-or-later

// @watch start
// web_src/js/features/comp/**
// web_src/js/features/repo-**
// templates/repo/issue/view_content/*
// routers/web/repo/issue_content_history.go
// @watch end

import {expect} from '@playwright/test';
import {test, dynamic_id, login_user} from './utils_e2e.ts';
import {screenshot} from './shared/screenshots.ts';

test.use({user: 'user2'});

for (const run of [
  {title: 'JS off', js: true},
  {title: 'JS on', js: false},
]) {
  test.describe(`Create issue & comment`, () => {
    // playwright/valid-title says: [error] Title must be a string
    test(`${run.title}`, async ({browser}, workerInfo) => {
      test.skip(['Mobile Chrome'].includes(workerInfo.project.name), 'Mobile Chrome has trouble clicking Comment button with JS enabled');

      const issueTitle = dynamic_id();
      const issueContent = dynamic_id();
      const commentContent = dynamic_id();

      const context = await login_user(browser, workerInfo, 'user2', {javaScriptEnabled: run.js});
      const page = await context.newPage();

      let response = await page.goto('/user2/repo1/issues/new');
      expect(response?.status()).toBe(200);

      // Create a new issue
      await page.getByPlaceholder('Title').fill(issueTitle);
      await page.getByPlaceholder('Leave a comment').fill(issueContent);
      await page.getByRole('button', {name: 'Create issue'}).click();

      if (run.js) {
        await expect(page).toHaveURL(/\/user2\/repo1\/issues\/\d+$/);
      } else {
        // NoJS clients end up on a .../comments JSON file and browsers surround it with some HTML
        const redirectUrl = await JSON.parse(await page.locator('body').textContent())['redirect'];
        response = await page.goto(redirectUrl);
        expect(response?.status()).toBe(200);
      }

      // Leave a comment
      await page.locator('#comment-form').getByPlaceholder('Leave a comment').fill(commentContent);
      await page.locator('#comment-form button.primary').filter({hasText: 'Comment'}).click();

      if (!run.js) {
        const redirectUrl = await JSON.parse(await page.locator('body').textContent())['redirect'];
        response = await page.goto(redirectUrl);
        expect(response?.status()).toBe(200);
      }

      // Validate the page contents that actions above made a difference
      await expect(page.locator('h1')).toContainText(issueTitle);
      await expect(page.locator('.comment').filter({hasText: issueContent})).toHaveCount(1);
      await expect(page.locator('.comment').filter({hasText: commentContent})).toHaveCount(1);
    });
  });
}

test('Menu accessibility', async ({page}) => {
  await page.goto('/user2/repo1/issues/1');
  await expect(page.getByLabel('user2 reacted eyes. Remove eyes')).toBeVisible();
  await expect(page.getByLabel('reacted laugh. Remove laugh')).toBeVisible();
  await expect(page.locator('#issue-1').getByLabel('Comment menu')).toBeVisible();
  await expect(page.locator('#issue-1').getByRole('heading').getByLabel('Add reaction')).toBeVisible();
  page.getByLabel('reacted laugh. Remove').click();
  await expect(page.getByLabel('user1 reacted laugh. Add laugh')).toBeVisible();
  page.getByLabel('user1 reacted laugh.').click();
  await expect(page.getByLabel('user1, user2 reacted laugh. Remove laugh')).toBeVisible();
});

test.describe('Button text replaced by JS', () => {
  async function testPage(page, path, closeLabel) {
    await page.goto(path);

    const statusButton = page.locator('#status-button');
    const statusButtonIcon = page.locator('#status-button svg');
    const commentField = page.locator('#comment-form').getByPlaceholder('Leave a comment');
    const readyEditor = page.locator('#comment-form .tab[data-tab="markdown-writer-0"]');

    // Reset issue status before running the test
    if (await statusButton.getByText('Reopen').isVisible()) await statusButton.click();

    // Assert that normal Close button text is present
    await readyEditor.waitFor();
    await expect(statusButton.getByText(closeLabel)).toBeVisible();
    await expect(statusButtonIcon).toBeVisible();

    // Type in some text to make button text change
    await readyEditor.waitFor();
    await commentField.fill('Blah blah');
    await expect(statusButton.getByText('Close with comment')).toBeVisible();
    await expect(statusButtonIcon).toBeVisible();

    // Close issue/PR and assert that normal Reopen button text is present
    await statusButton.click();
    await readyEditor.waitFor();
    await expect(statusButton.getByText('Reopen')).toBeVisible();
    await expect(statusButtonIcon).toBeVisible();

    // Type in some text to make button text change
    await readyEditor.waitFor();
    await commentField.fill('Blah blah');
    await expect(statusButton.getByText('Reopen with comment')).toBeVisible();
    await expect(statusButtonIcon).toBeVisible();
  }

  test('Issue', async ({page}) => {
    await expect(async () => {
      await testPage(page, '/user2/repo2/issues/2', 'Close issue');
    }).toPass();
  });

  test('PR', async ({page}) => {
    await expect(async () => {
      await testPage(page, '/user2/repo1/pulls/5', 'Close pull request');
    }).toPass();
  });
});

test('Hyperlink paste behaviour', async ({page, isMobile}) => {
  test.skip(isMobile, 'Mobile clients seem to have very weird behaviour with this test, which I cannot confirm with real usage');
  await page.goto('/user2/repo1/issues/new');
  await page.locator('textarea').click();
  // same URL
  await page.locator('textarea').fill('https://codeberg.org/forgejo/forgejo#some-anchor');
  await page.locator('textarea').press('Shift+Home');
  await page.locator('textarea').press('ControlOrMeta+c');
  await page.locator('textarea').press('ControlOrMeta+v');
  await expect(page.locator('textarea')).toHaveValue('https://codeberg.org/forgejo/forgejo#some-anchor');
  // other text
  await page.locator('textarea').fill('Some other text');
  await page.locator('textarea').press('ControlOrMeta+a');
  await page.locator('textarea').press('ControlOrMeta+v');
  await expect(page.locator('textarea')).toHaveValue('[Some other text](https://codeberg.org/forgejo/forgejo#some-anchor)');
  // subset of URL
  await page.locator('textarea').fill('https://codeberg.org/forgejo/forgejo#some');
  await page.locator('textarea').press('ControlOrMeta+a');
  await page.locator('textarea').press('ControlOrMeta+v');
  await expect(page.locator('textarea')).toHaveValue('https://codeberg.org/forgejo/forgejo#some-anchor');
  // superset of URL
  await page.locator('textarea').fill('https://codeberg.org/forgejo/forgejo#some-anchor-on-the-page');
  await page.locator('textarea').press('ControlOrMeta+a');
  await page.locator('textarea').press('ControlOrMeta+v');
  await expect(page.locator('textarea')).toHaveValue('https://codeberg.org/forgejo/forgejo#some-anchor');
  // completely separate URL
  await page.locator('textarea').fill('http://example.com');
  await page.locator('textarea').press('ControlOrMeta+a');
  await page.locator('textarea').press('ControlOrMeta+v');
  await expect(page.locator('textarea')).toHaveValue('https://codeberg.org/forgejo/forgejo#some-anchor');
  await page.locator('textarea').fill('');
});

test('Always focus edit tab first on edit', async ({page}) => {
  const response = await page.goto('/user2/repo1/issues/1');
  expect(response?.status()).toBe(200);

  // Switch to preview tab and save
  await page.click('#issue-1 .comment-container .context-menu');
  await page.click('#issue-1 .comment-container .menu>.edit-content');
  await page.locator('#issue-1 .comment-container [data-tab-for=markdown-previewer]').click();
  await page.click('#issue-1 .comment-container .save');

  await page.waitForLoadState();

  // Edit again and assert that edit tab should be active (and not preview tab)
  await page.click('#issue-1 .comment-container .context-menu');
  await page.click('#issue-1 .comment-container .menu>.edit-content');
  const editTab = page.locator('#issue-1 .comment-container [data-tab-for=markdown-writer]');
  const previewTab = page.locator('#issue-1 .comment-container [data-tab-for=markdown-previewer]');

  await expect(editTab).toHaveClass(/active/);
  await expect(previewTab).not.toHaveClass(/active/);
  await screenshot(page, page.locator('.issue-content-left'));
});

test('Reset content of comment edit field on cancel', async ({page}) => {
  const response = await page.goto('/user2/repo1/issues/1');
  expect(response?.status()).toBe(200);

  const editorTextarea = page.locator('[id="_combo_markdown_editor_1"]');

  // Change the content of the edit field
  await page.click('#issue-1 .comment-container .context-menu');
  await page.click('#issue-1 .comment-container .menu>.edit-content');
  await expect(editorTextarea).toHaveValue('content for the first issue');
  await editorTextarea.fill('some random string');
  await expect(editorTextarea).toHaveValue('some random string');
  await page.click('#issue-1 .comment-container .edit .cancel');

  // Edit again and assert that the edit field should be reset to the initial content
  await page.click('#issue-1 .comment-container .context-menu');
  await page.click('#issue-1 .comment-container .menu>.edit-content');
  await expect(editorTextarea).toHaveValue('content for the first issue');
  await screenshot(page, page.locator('.issue-content-left'));
});

test('Quote reply', async ({page}, workerInfo) => {
  test.skip(workerInfo.project.name !== 'firefox', 'Uses Firefox specific selection quirks');
  const response = await page.goto('/user2/repo1/issues/1');
  expect(response?.status()).toBe(200);

  const editorTextarea = page.locator('textarea.markdown-text-editor');

  // Full quote.
  await page.click('#issuecomment-1001 .comment-container .context-menu');
  await page.click('#issuecomment-1001 .quote-reply');

  await expect(editorTextarea).toHaveValue('@user2 wrote in http://localhost:3003/user2/repo1/issues/1#issuecomment-1001:\n\n' +
                                           '> ## [](#lorem-ipsum)Lorem Ipsum\n' +
                                           '> \n' +
                                           '> I would like to say that **I am not appealed** that it took _so long_ for this `feature` to be [created](https://example.com) \\(e^{\\pi i} + 1 = 0\\)\n' +
                                           '> \n' +
                                           '> \\[e^{\\pi i} + 1 = 0\\]\n' +
                                           '> \n' +
                                           '> #1\n' +
                                           '> \n' +
                                           '> ```js\n' +
                                           "> console.log('evil')\n" +
                                           "> alert('evil')\n" +
                                           '> ```\n' +
                                           '> \n' +
                                           '> :+1: :100: [![hi there](/attachments/3f4f4016-877b-46b3-b79f-ad24519a9cf2)](/user2/repo1/attachments/3f4f4016-877b-46b3-b79f-ad24519a9cf2)\n' +
                                           '> <img alt="something something" width="500" height="500" src="/attachments/3f4f4016-877b-46b3-b79f-ad24519a9cf2">\n\n');

  await editorTextarea.fill('');

  // Partial quote.
  await page.click('#issuecomment-1001 .comment-container .context-menu');

  await page.evaluate(() => {
    const range = new Range();
    range.setStart(document.querySelector('#issuecomment-1001-content #user-content-lorem-ipsum').childNodes[1], 6);
    range.setEnd(document.querySelector('#issuecomment-1001-content p').childNodes[1].childNodes[0], 7);

    const selection = window.getSelection();

    // Add range to window selection
    selection.addRange(range);
  });

  await page.click('#issuecomment-1001 .quote-reply');

  await expect(editorTextarea).toHaveValue('@user2 wrote in http://localhost:3003/user2/repo1/issues/1#issuecomment-1001:\n\n' +
                                           '> ## Ipsum\n' +
                                           '> \n' +
                                           '> I would like to say that **I am no**\n\n');

  await editorTextarea.fill('');

  // Another partial quote.
  await page.click('#issuecomment-1001 .comment-container .context-menu');

  await page.evaluate(() => {
    const range = new Range();
    range.setStart(document.querySelector('#issuecomment-1001-content p').childNodes[1].childNodes[0], 7);
    range.setEnd(document.querySelector('#issuecomment-1001-content p').childNodes[7].childNodes[0], 3);

    const selection = window.getSelection();

    // Add range to window selection
    selection.addRange(range);
  });

  await page.click('#issuecomment-1001 .quote-reply');

  await expect(editorTextarea).toHaveValue('@user2 wrote in http://localhost:3003/user2/repo1/issues/1#issuecomment-1001:\n\n' +
                                           '> **t appealed** that it took _so long_ for this `feature` to be [cre](https://example.com)\n\n');

  await editorTextarea.fill('');
});

test('Pull quote reply', async ({page}, workerInfo) => {
  test.skip(workerInfo.project.name !== 'firefox', 'Uses Firefox specific selection quirks');
  const response = await page.goto('/user2/commitsonpr/pulls/1/files');
  expect(response?.status()).toBe(200);

  const editorTextarea = page.locator('form.comment-form textarea.markdown-text-editor');

  // Full quote with no reply handler being open.
  await page.click('.comment-code-cloud .context-menu');
  await page.click('.comment-code-cloud .quote-reply');

  await expect(editorTextarea).toHaveValue('@user2 wrote in http://localhost:3003/user2/commitsonpr/pulls/1/files#issuecomment-1002:\n\n' +
                                           '> ## [](#lorem-ipsum)Lorem Ipsum\n' +
                                           '> \n' +
                                           '> I would like to say that **I am not appealed** that it took _so long_ for this `feature` to be [created](https://example.com) \\(e^{\\pi i} + 1 = 0\\)\n' +
                                           '> \n' +
                                           '> \\[e^{\\pi i} + 1 = 0\\]\n' +
                                           '> \n' +
                                           '> #1\n' +
                                           '> \n' +
                                           '> ```js\n' +
                                           "> console.log('evil')\n" +
                                           "> alert('evil')\n" +
                                           '> ```\n' +
                                           '> \n' +
                                           '> :+1: :100: [![hi there](/attachments/3f4f4016-877b-46b3-b79f-ad24519a9cf2)](/user2/commitsonpr/attachments/3f4f4016-877b-46b3-b79f-ad24519a9cf2)\n' +
                                           '> <img alt="something something" width="500" height="500" src="/attachments/3f4f4016-877b-46b3-b79f-ad24519a9cf2">\n\n');

  await editorTextarea.fill('');
});

test('Emoji suggestions', async ({page}) => {
  const response = await page.goto('/user2/repo1/issues/1');
  expect(response?.status()).toBe(200);

  const textarea = page.locator('#comment-form textarea[name=content]');

  await textarea.focus();
  await textarea.pressSequentially(':');

  const suggestionList = page.locator('#comment-form .suggestions');
  await expect(suggestionList).toBeVisible();

  const expectedSuggestions = [
    {emoji: '👍', name: '+1'},
    {emoji: '👎', name: '-1'},
    {emoji: '💯', name: '100'},
    {emoji: '🔢', name: '1234'},
    {emoji: '🥇', name: '1st_place_medal'},
    {emoji: '🥈', name: '2nd_place_medal'},
  ];

  for (const {emoji, name} of expectedSuggestions) {
    const item = suggestionList.locator(`li:has-text("${name}")`);
    await expect(item).toContainText(`${emoji} ${name}`);
  }

  await textarea.pressSequentially('forge');
  await expect(suggestionList).toBeVisible();

  const item = suggestionList.locator(`li:has-text("forgejo")`);
  await expect(item.locator('img')).toHaveAttribute('src', '/assets/img/emoji/forgejo.png');
});

test.describe('Comment history', () => {
  let issueURL = '';

  test('Deleted items in comment history menu', async ({page}) => {
    const response = await page.goto('/user2/repo1/issues/new');
    expect(response?.status()).toBe(200);

    // Create a new issue.
    await page.getByPlaceholder('Title').fill('Just a title');
    await page.getByPlaceholder('Leave a comment').fill('Hi, have you considered using a rotating fish as logo?');
    await page.getByRole('button', {name: 'Create issue'}).click();
    await expect(page).toHaveURL(/\/user2\/repo1\/issues\/\d+$/);
    issueURL = page.url();

    page.on('dialog', (dialog) => dialog.accept());

    // Make a change.
    const editorTextarea = page.locator('[id="_combo_markdown_editor_1"]');
    await page.click('.comment-container .context-menu');
    await page.click('.comment-container .menu>.edit-content');
    await editorTextarea.fill(dynamic_id());
    await page.click('.comment-container .edit .save');

    // Reload the page so the edited bit is rendered.
    await page.reload();

    await page.getByText('• edited').click();
    await page.click('.content-history-menu .item:nth-child(1)');
    await page.getByText('Options').click();
    await page.getByText('Delete from history').click();

    await page.getByText('• edited').click();
    await expect(page.locator(".content-history-menu .item s span[data-history-is-deleted='1']")).toBeVisible();
  });

  test('Animation spinner', async ({page}) => {
    test.skip(issueURL === '', 'previous test failed');

    const response = await page.goto(issueURL);
    expect(response?.status()).toBe(200);

    // Intercept request to get content history list.
    let called = false;
    page.on('request', async (request) => {
      if (!request.url().includes('/content-history/list')) {
        return;
      }
      called = true;
      // Assert the dropdown has a animation spinner.
      await expect(page.getByText('• edited')).toHaveClass(/is-loading/);
    });

    // Open the menu.
    await page.getByText('• edited').click();
    // Wait until the menu is visible.
    await expect(page.locator('.content-history-menu .item:nth-child(1)')).toBeVisible();
    // Expect that there was a request by fomantic.
    expect(called).toBeTruthy();
    // Expect that there is no longer a animation spinner.
    await expect(page.getByText('• edited')).not.toHaveClass(/is-loading/);

    // Expect that there is no animation spinner after clicking inside the dropdown.
    await page.click('.content-history-menu .item:nth-child(2)');
    await expect(page.getByText('• edited')).not.toHaveClass(/is-loading/);
    await page.click('.content-history-detail-dialog .close');

    // Open the menu.
    await page.getByText('• edited').click();
    // Wait until the menu is visible.
    await expect(page.locator('.content-history-menu .item:nth-child(1)')).toBeVisible();
    // Close the menu.
    await page.getByText('• edited').click();
    // Expect that there is no animation spinner.
    await expect(page.getByText('• edited')).not.toHaveClass(/is-loading/);
  });
});
