import * as path from "path";
import * as assert from "assert";

import TestServer from "./lib/TestServer";
import eventually from "./eventually";
import { Builder, Lanthan } from "lanthan";
import { WebDriver, Key } from "selenium-webdriver";
import Page from "./lib/Page";

describe("tab test", () => {
  const server = new TestServer().receiveContent("/*", "ok");
  let lanthan: Lanthan;
  let webdriver: WebDriver;
  let browser: any;
  let win: any;
  let tabs: any[];

  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 () => {
    win = await browser.windows.create({ url: server.url("/#0") });
    for (let i = 1; i < 5; ++i) {
      await browser.tabs.create({
        url: server.url("/#" + i),
        windowId: win.id,
      });
      await webdriver.navigate().to(server.url("/#" + i));
    }
    tabs = await browser.tabs.query({ windowId: win.id });
    tabs.sort((t1: any, t2: any) => t1.index - t2.index);
  });

  afterEach(async () => {
    await browser.windows.remove(win.id);
  });

  it("deletes tab and selects right by d", async () => {
    await browser.tabs.update(tabs[3].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("d");

    await eventually(async () => {
      const current = await browser.tabs.query({ windowId: win.id });
      assert.strictEqual(current.length, tabs.length - 1);
      assert.strictEqual(current[3].active, true);
      assert.strictEqual(current[3].id, tabs[4].id);
    });
  });

  it("deletes tab and selects left by D", async () => {
    await browser.tabs.update(tabs[3].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys(Key.SHIFT, "D");

    await eventually(async () => {
      const current = await browser.tabs.query({ windowId: win.id });
      assert.strictEqual(current.length, tabs.length - 1);
      assert.strictEqual(current[2].active, true);
      assert.strictEqual(current[2].id, tabs[2].id);
    });
  });

  it("deletes all tabs to the right by x$", async () => {
    await browser.tabs.update(tabs[1].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("x", "$");

    await eventually(async () => {
      const current = await browser.tabs.query({ windowId: win.id });
      assert.strictEqual(current.length, 2);
    });
  });

  it("duplicates tab by zd", async () => {
    await browser.tabs.update(tabs[0].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("z", "d");

    await eventually(async () => {
      const current = await browser.tabs.query({ windowId: win.id });
      current.sort((t1: any, t2: any) => t1.index - t2.index);
      assert.strictEqual(current.length, tabs.length + 1);
      assert.strictEqual(current[0].url, current[1].url);
    });
  });

  it("makes pinned by zp", async () => {
    await browser.tabs.update(tabs[0].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("z", "p");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current[0].pinned, true);
  });

  it("switches to reader view", async () => {
    await browser.tabs.update(tabs[0].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("g", "r");

    // Unable to switch to reader view, but an error message occurs
    const console = await page.getConsole();
    const errorMessage = await console.getErrorMessage();
    assert.strictEqual(
      errorMessage,
      "The specified tab cannot be placed into reader mode."
    );
  });

  it("selects previous tab by K", async () => {
    await browser.tabs.update(tabs[2].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys(Key.SHIFT, "K");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current[1].active, true);
  });

  it("selects previous tab by K rotatory", async () => {
    await browser.tabs.update(tabs[0].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys(Key.SHIFT, "K");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current[current.length - 1].active, true);
  });

  it("selects next tab by J", async () => {
    await browser.tabs.update(tabs[2].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys(Key.SHIFT, "J");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current[3].active, true);
  });

  it("selects previous tab by J rotatory", async () => {
    await browser.tabs.update(tabs[tabs.length - 1].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys(Key.SHIFT, "J");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current[0].active, true);
  });

  it("selects first tab by g0", async () => {
    await browser.tabs.update(tabs[2].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("g", "0");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current[0].active, true);
  });

  it("selects last tab by g$", async () => {
    await browser.tabs.update(tabs[2].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("g", "$");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current[current.length - 1].active, true);
  });

  it("selects last selected tab by <C-6>", async () => {
    await browser.tabs.update(tabs[1].id, { active: true });
    await browser.tabs.update(tabs[4].id, { active: true });

    const page = await Page.currentContext(webdriver);
    await page.sendKeys(Key.CONTROL, "6");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current[1].active, true);
  });

  // browser.sessions.getRecentlyClosed() sometime throws "An unexpected error occurred"
  // This might be a bug in Firefox.
  it.skip("reopen tab by u", async () => {
    await browser.tabs.remove(tabs[1].id);
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("u");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current.length, tabs.length);
  });

  it("does not delete pinned tab by d", async () => {
    await browser.tabs.update(tabs[0].id, { active: true, pinned: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("d");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current.length, tabs.length);
  });

  it("deletes pinned tab by !d", async () => {
    await browser.tabs.update(tabs[0].id, { active: true, pinned: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("!", "d");

    const current = await browser.tabs.query({ windowId: win.id });
    assert.strictEqual(current.length, tabs.length - 1);
  });

  it("opens view-source by gf", async () => {
    await browser.tabs.update(tabs[0].id, { active: true });
    const page = await Page.currentContext(webdriver);
    await page.sendKeys("g", "f");

    await eventually(async () => {
      const current = await browser.tabs.query({ windowId: win.id });
      assert.strictEqual(current.length, tabs.length + 1);
      assert.strictEqual(
        current[current.length - 1].url,
        `view-source:${server.url("/#0")}`
      );
    });
  });
});