import * as assert from 'assert';
import * as path from 'path';

import { Request, Response } from 'express'
import TestServer from './lib/TestServer';
import eventually from './eventually';
import { Builder, Lanthan } from 'lanthan';
import { WebDriver } from 'selenium-webdriver';
import Page from './lib/Page';

describe("completion on buffer/bdelete/bdeletes", () => {
  const server = new TestServer().handle('/*', (req: Request, res: Response) => {
    res.send(`
      <!DOCTYPE html>
      <html lang="en">
        <head>
          <title>title_${req.path.slice(1)}</title>
        </head>
      </html>`);
  });
  let lanthan: Lanthan;
  let webdriver: WebDriver;
  let browser: any;
  let page: Page;

  before(async() => {
    lanthan = await Builder
      .forBrowser('firefox')
      .spyAddon(path.join(__dirname, '..'))
      .build();
    webdriver = lanthan.getWebDriver();
    browser = lanthan.getWebExtBrowser();

    await server.start();
  });

  after(async() => {
    await server.stop();
    if (lanthan) {
      await lanthan.quit();
    }
  });

  beforeEach(async() => {
    const tabs = await browser.tabs.query({});
    for (const tab of tabs.slice(1)) {
      await browser.tabs.remove(tab.id);
    }

    await browser.tabs.update(tabs[0].id, { url: server.url('/site1'), pinned: true });
    await browser.tabs.create({ url:server.url('/site2'), pinned: true });
    for (let i = 3; i <= 5; ++i) {
      await browser.tabs.create({ url: server.url('/site' + i) });
    }

    await eventually(async() => {
      const handles = await webdriver.getAllWindowHandles();
      assert.strictEqual(handles.length, 5);
      await webdriver.switchTo().window(handles[2]);
    });

    page = await Page.currentContext(webdriver);
  });

  it('should all tabs by "buffer" command with empty params', async() => {
    const console = await page.showConsole();
    await console.inputKeys('buffer ');

    await eventually(async() => {
      const items = await console.getCompletions();
      assert.strictEqual(items.length, 6);
      assert.deepStrictEqual(items[0], { type: 'title', text: 'Buffers' });
      assert.ok(items[1].text.startsWith('1:'));
      assert.ok(items[2].text.startsWith('2:'));
      assert.ok(items[3].text.startsWith('3:'));
      assert.ok(items[4].text.startsWith('4:'));
      assert.ok(items[5].text.startsWith('5:'));

      assert.ok(items[3].text.includes('%'));
      assert.ok(items[5].text.includes('#'));
    });
  });

  it('should filter items with URLs by keywords on "buffer" command', async() => {
    const console = await page.showConsole();
    await console.inputKeys('buffer title_site2');

    await eventually(async() => {
      const items = await console.getCompletions();
      assert.deepStrictEqual(items[0], { type: 'title', text: 'Buffers' });
      assert.ok(items[1].text.startsWith('2:'));
      assert.ok(items[1].text.includes('title_site2'));
      assert.ok(items[1].text.includes(server.url('/site2')));
    });
  });

  it('should filter items with titles by keywords on "buffer" command', async() => {
    const console = await page.showConsole();
    await console.inputKeys('buffer /site2');

    await eventually(async() => {
      const items = await console.getCompletions();
      assert.deepStrictEqual(items[0], { type: 'title', text: 'Buffers' });
      assert.ok(items[1].text.startsWith('2:'));
    });
  });

  it('should show one item by number on "buffer" command', async() => {
    const console = await page.showConsole();
    await console.inputKeys('buffer 2');

    await eventually(async() => {
      const items = await console.getCompletions();
      assert.strictEqual(items.length, 2);
      assert.deepStrictEqual(items[0], { type: 'title', text: 'Buffers' });
      assert.ok(items[1].text.startsWith('2:'));
    });
  });

  it('should show unpinned tabs "bdelete" command', async() => {
    const console = await page.showConsole();
    await console.inputKeys('bdelete site');

    await eventually(async() => {
      const items = await console.getCompletions();
      assert.strictEqual(items.length, 4);
      assert.ok(items[1].text.includes('site3'));
      assert.ok(items[2].text.includes('site4'));
      assert.ok(items[3].text.includes('site5'));
    });
  });

  it('should show unpinned tabs "bdeletes" command', async() => {
    const console = await page.showConsole();
    await console.inputKeys('bdeletes site');

    await eventually(async() => {
      const items = await console.getCompletions();
      assert.strictEqual(items.length, 4);
      assert.ok(items[1].text.includes('site3'));
      assert.ok(items[2].text.includes('site4'));
      assert.ok(items[3].text.includes('site5'));
    });
  });

  it('should show both pinned and unpinned tabs "bdelete!" command', async() => {
    const console = await page.showConsole();
    await console.inputKeys('bdelete! site');

    await eventually(async() => {
      const items = await console.getCompletions();
      assert.strictEqual(items.length, 6);
      assert.ok(items[1].text.includes('site1'));
      assert.ok(items[2].text.includes('site2'));
      assert.ok(items[3].text.includes('site3'));
      assert.ok(items[4].text.includes('site4'));
      assert.ok(items[5].text.includes('site5'));
    });
  });

  it('should show both pinned and unpinned tabs "bdeletes!" command', async() => {
    const console = await page.showConsole();
    await console.inputKeys('bdeletes! site');

    await eventually(async() => {
      const items = await console.getCompletions();
      assert.strictEqual(items.length, 6);
      assert.ok(items[1].text.includes('site1'));
      assert.ok(items[2].text.includes('site2'));
      assert.ok(items[3].text.includes('site3'));
      assert.ok(items[4].text.includes('site4'));
      assert.ok(items[5].text.includes('site5'));
    });
  });
});