'use strict';

const fs = require('fs');
const http = require('http');
const path = require('path');

const env = require('../../modules/environment');

describe('browser/index.html', function desc() {
  this.timeout(30000);

  const config = {
    version: 1,
    teams: [{
      name: 'example',
      url: env.mattermostURL,
    }, {
      name: 'github',
      url: 'https://github.com/',
    }],
  };

  const serverPort = 8181;

  before(() => {
    function serverCallback(req, res) {
      res.writeHead(200, {
        'Content-Type': 'text/html',
      });
      res.end(fs.readFileSync(path.resolve(env.sourceRootDir, 'test/modules/test.html'), 'utf-8'));
    }
    this.server = http.createServer(serverCallback).listen(serverPort, '127.0.0.1');
  });

  beforeEach(() => {
    fs.writeFileSync(env.configFilePath, JSON.stringify(config));
    this.app = env.getSpectronApp();
    return this.app.start();
  });

  afterEach(() => {
    if (this.app && this.app.isRunning()) {
      return this.app.stop();
    }
    return true;
  });

  after((done) => {
    this.server.close(done);
  });

  it('should NOT show tabs when there is one team', () => {
    fs.writeFileSync(env.configFilePath, JSON.stringify({
      url: env.mattermostURL,
    }));
    return this.app.restart().then(() => {
      return this.app.client.waitUntilWindowLoaded().
        isExisting('#tabBar').then((existing) => {
          existing.should.be.false;
        });
    });
  });

  it('should set src of webview from config file', () => {
    return this.app.client.waitUntilWindowLoaded().
      getAttribute('#mattermostView0', 'src').then((src) => {
        src.should.equal(config.teams[0].url);
      }).
      getAttribute('#mattermostView1', 'src').then((src) => {
        src.should.equal(config.teams[1].url);
      }).
      isExisting('#mattermostView2').then((existing) => {
        existing.should.be.false;
      });
  });

  it('should set name of tab from config file', () => {
    return this.app.client.waitUntilWindowLoaded().
      getText('#teamTabItem0').then((text) => {
        text.should.equal(config.teams[0].name);
      }).
      getText('#teamTabItem1').then((text) => {
        text.should.equal(config.teams[1].name);
      });
  });

  it('should show only the selected team', () => {
    return this.app.client.waitUntilWindowLoaded().
      waitForVisible('#mattermostView0', 2000).
      waitForVisible('#mattermostView1', 2000, true).
      click('#teamTabItem1').
      waitForVisible('#mattermostView1', 2000).
      waitForVisible('#mattermostView0', 2000, true);
  });

  it('should show error when using incorrect URL', () => {
    this.timeout(30000);
    fs.writeFileSync(env.configFilePath, JSON.stringify({
      version: 1,
      teams: [{
        name: 'error_1',
        url: 'http://false',
      }],
    }));
    return this.app.restart().then(() => {
      return this.app.client.waitUntilWindowLoaded().
        waitForVisible('#mattermostView0-fail', 20000);
    });
  });

  it('should set window title by using webview\'s one', () => {
    fs.writeFileSync(env.configFilePath, JSON.stringify({
      version: 1,
      teams: [{
        name: 'title_test',
        url: `http://localhost:${serverPort}`,
      }],
    }));
    return this.app.restart().then(() => {
      return this.app.client.waitUntilWindowLoaded().pause(2000);
    }).then(() => {
      return this.app.browserWindow.getTitle();
    }).then((title) => {
      title.should.equal('Mattermost Desktop testing html');
    });
  });

  // Skip because it's very unstable in CI
  it.skip('should update window title when the activated tab\'s title is updated', () => {
    fs.writeFileSync(env.configFilePath, JSON.stringify({
      version: 1,
      teams: [{
        name: 'title_test_0',
        url: `http://localhost:${serverPort}`,
      }, {
        name: 'title_test_1',
        url: `http://localhost:${serverPort}`,
      }],
    }));
    return this.app.restart().then(() => {
      return this.app.client.waitUntilWindowLoaded().pause(500);
    }).then(() => {
      // Note: Indices of webview are correct.
      // Somehow they are swapped.
      return this.app.client.
        windowByIndex(2).
        execute(() => {
          document.title = 'Title 0';
        }).
        windowByIndex(0).
        pause(500).
        browserWindow.getTitle().then((title) => {
          title.should.equal('Title 0');
        }).
        windowByIndex(1).
        execute(() => {
          document.title = 'Title 1';
        }).
        windowByIndex(0).
        pause(500).
        browserWindow.getTitle().then((title) => {
          title.should.equal('Title 0');
        });
    });
  });

  // Skip because it's very unstable in CI
  it.skip('should update window title when a tab is selected', () => {
    fs.writeFileSync(env.configFilePath, JSON.stringify({
      version: 1,
      teams: [{
        name: 'title_test_0',
        url: `http://localhost:${serverPort}`,
      }, {
        name: 'title_test_1',
        url: `http://localhost:${serverPort}`,
      }],
    }));
    return this.app.restart().then(() => {
      // Note: Indices of webview are correct.
      // Somehow they are swapped.
      return this.app.client.
        waitUntilWindowLoaded().
        pause(500).
        windowByIndex(2).
        execute(() => {
          document.title = 'Title 0';
        }).
        windowByIndex(1).
        execute(() => {
          document.title = 'Title 1';
        }).
        windowByIndex(0).
        pause(500).
        browserWindow.getTitle().then((title) => {
          title.should.equal('Title 0');
        }).
        click('#teamTabItem1').
        pause(500).
        browserWindow.getTitle().then((title) => {
          title.should.equal('Title 1');
        });
    });
  });

  it('should open the new server prompt after clicking the add button', () => {
    // See settings_test for specs that cover the actual prompt
    return this.app.client.waitUntilWindowLoaded().
      click('#addServerButton').
      pause(500).
      isExisting('#newServerModal').then((existing) => {
        existing.should.be.true;
      });
  });
});