/**
 * Copyright 2017 Google Inc. All rights reserved.
 * Modifications copyright (c) Microsoft Corporation.
 *
 * 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 { contextTest as it, expect } from './config/browserTest';

function getPermission(page, name) {
  return page.evaluate(name => navigator.permissions.query({name}).then(result => result.state), name);
}

it.describe('permissions', () => {
  it.skip(({ browserName }) => browserName === 'webkit', 'Permissions API is not implemented in WebKit (see https://developer.mozilla.org/en-US/docs/Web/API/Permissions_API)');

  it('should be prompt by default', async ({page, server}) => {
    await page.goto(server.EMPTY_PAGE);
    expect(await getPermission(page, 'geolocation')).toBe('prompt');
  });

  it('should deny permission when not listed', async ({page, context, server}) => {
    await page.goto(server.EMPTY_PAGE);
    await context.grantPermissions([], { origin: server.EMPTY_PAGE });
    expect(await getPermission(page, 'geolocation')).toBe('denied');
  });

  it('should fail when bad permission is given', async ({page, context, server}) => {
    await page.goto(server.EMPTY_PAGE);
    let error: Error;
    await context.grantPermissions(['foo'], { origin: server.EMPTY_PAGE }).catch(e => error = e);
    expect(error.message).toContain('Unknown permission: foo');
  });

  it('should grant geolocation permission when origin is listed', async ({page, context, server}) => {
    await page.goto(server.EMPTY_PAGE);
    await context.grantPermissions(['geolocation'], { origin: server.EMPTY_PAGE });
    expect(await getPermission(page, 'geolocation')).toBe('granted');
  });

  it('should prompt for geolocation permission when origin is not listed', async ({page, context, server}) => {
    await page.goto(server.EMPTY_PAGE);
    await context.grantPermissions(['geolocation'], { origin: server.EMPTY_PAGE });
    await page.goto(server.EMPTY_PAGE.replace('localhost', '127.0.0.1'));
    expect(await getPermission(page, 'geolocation')).toBe('prompt');
  });

  it('should grant notifications permission when listed', async ({page, context, server}) => {
    await page.goto(server.EMPTY_PAGE);
    await context.grantPermissions(['notifications'], { origin: server.EMPTY_PAGE });
    expect(await getPermission(page, 'notifications')).toBe('granted');
  });

  it('should accumulate when adding', async ({page, context, server}) => {
    await page.goto(server.EMPTY_PAGE);
    await context.grantPermissions(['geolocation']);
    await context.grantPermissions(['notifications']);
    expect(await getPermission(page, 'geolocation')).toBe('granted');
    expect(await getPermission(page, 'notifications')).toBe('granted');
  });

  it('should clear permissions', async ({page, context, server}) => {
    await page.goto(server.EMPTY_PAGE);
    await context.grantPermissions(['geolocation']);
    await context.clearPermissions();
    await context.grantPermissions(['notifications']);
    expect(await getPermission(page, 'geolocation')).not.toBe('granted');
    expect(await getPermission(page, 'notifications')).toBe('granted');
  });

  it('should grant permission when listed for all domains', async ({page, context, server}) => {
    await page.goto(server.EMPTY_PAGE);
    await context.grantPermissions(['geolocation']);
    expect(await getPermission(page, 'geolocation')).toBe('granted');
  });

  it('should grant permission when creating context', async ({server, browser}) => {
    const context = await browser.newContext({ permissions: ['geolocation'] });
    const page = await context.newPage();
    await page.goto(server.EMPTY_PAGE);
    expect(await getPermission(page, 'geolocation')).toBe('granted');
    await context.close();
  });

  it('should reset permissions', async ({page, context, server}) => {
    await page.goto(server.EMPTY_PAGE);
    await context.grantPermissions(['geolocation'], { origin: server.EMPTY_PAGE });
    expect(await getPermission(page, 'geolocation')).toBe('granted');
    await context.clearPermissions();
    expect(await getPermission(page, 'geolocation')).toBe('prompt');
  });

  it('should trigger permission onchange', async ({page, context, server, browserName, headless}) => {
    it.fail(browserName === 'webkit');
    it.fail(browserName === 'chromium' && !headless);

    await page.goto(server.EMPTY_PAGE);
    await page.evaluate(() => {
      window['events'] = [];
      return navigator.permissions.query({name: 'geolocation'}).then(function(result) {
        window['events'].push(result.state);
        result.onchange = function() {
          window['events'].push(result.state);
        };
      });
    });
    expect(await page.evaluate(() => window['events'])).toEqual(['prompt']);
    await context.grantPermissions([], { origin: server.EMPTY_PAGE });
    expect(await page.evaluate(() => window['events'])).toEqual(['prompt', 'denied']);
    await context.grantPermissions(['geolocation'], { origin: server.EMPTY_PAGE });
    expect(await page.evaluate(() => window['events'])).toEqual(['prompt', 'denied', 'granted']);
    await context.clearPermissions();
    expect(await page.evaluate(() => window['events'])).toEqual(['prompt', 'denied', 'granted', 'prompt']);
  });

  it('should isolate permissions between browser contexts', async ({server, browser}) => {
    const context = await browser.newContext();
    const page = await context.newPage();
    await page.goto(server.EMPTY_PAGE);
    const otherContext = await browser.newContext();
    const otherPage = await otherContext.newPage();
    await otherPage.goto(server.EMPTY_PAGE);
    expect(await getPermission(page, 'geolocation')).toBe('prompt');
    expect(await getPermission(otherPage, 'geolocation')).toBe('prompt');

    await context.grantPermissions([], { origin: server.EMPTY_PAGE });
    await otherContext.grantPermissions(['geolocation'], { origin: server.EMPTY_PAGE });
    expect(await getPermission(page, 'geolocation')).toBe('denied');
    expect(await getPermission(otherPage, 'geolocation')).toBe('granted');

    await context.clearPermissions();
    expect(await getPermission(page, 'geolocation')).toBe('prompt');
    expect(await getPermission(otherPage, 'geolocation')).toBe('granted');
    await otherContext.close();
    await context.close();
  });

  it('should support clipboard read', async ({page, context, server, browserName, headless}) => {
    it.fail(browserName === 'webkit');
    it.fail(browserName === 'firefox', 'No such permissions (requires flag) in Firefox');
    it.fixme(browserName === 'chromium' && !headless);

    await page.goto(server.EMPTY_PAGE);
    expect(await getPermission(page, 'clipboard-read')).toBe('prompt');
    let error;
    await page.evaluate(() => navigator.clipboard.readText()).catch(e => error = e);
    expect(error.toString()).toContain('denied');
    await context.grantPermissions(['clipboard-read']);
    expect(await getPermission(page, 'clipboard-read')).toBe('granted');
    await page.evaluate(() => navigator.clipboard.readText());
  });
});