import type {ElectronApplication, JSHandle} from 'playwright';
import {_electron as electron} from 'playwright';
import {afterAll, beforeAll, expect, test} from 'vitest';
import {createHash} from 'crypto';
import type {BrowserWindow} from 'electron';

let electronApp: ElectronApplication;

beforeAll(async () => {
  electronApp = await electron.launch({args: ['.']});
});

afterAll(async () => {
  await electronApp.close();
});

test('Main window state', async () => {
  const page = await electronApp.firstWindow();
  const window: JSHandle<BrowserWindow> = await electronApp.browserWindow(page);
  const windowState = await window.evaluate(
    (mainWindow): Promise<{isVisible: boolean; isDevToolsOpened: boolean; isCrashed: boolean}> => {
      const getState = () => ({
        isVisible: mainWindow.isVisible(),
        isDevToolsOpened: mainWindow.webContents.isDevToolsOpened(),
        isCrashed: mainWindow.webContents.isCrashed(),
      });

      return new Promise(resolve => {
        /**
         * The main window is created hidden, and is shown only when it is ready.
         * See {@link ../packages/main/src/mainWindow.ts} function
         */
        if (mainWindow.isVisible()) {
          resolve(getState());
        } else mainWindow.once('ready-to-show', () => resolve(getState()));
      });
    },
  );

  expect(windowState.isCrashed, 'The app has crashed').toBeFalsy();
  expect(windowState.isVisible, 'The main window was not visible').toBeTruthy();
  expect(windowState.isDevToolsOpened, 'The DevTools panel was open').toBeFalsy();
});

test('Main window web content', async () => {
  const page = await electronApp.firstWindow();
  const element = await page.$('#app', {strict: true});
  expect(element, 'Was unable to find the root element').toBeDefined();
  expect((await element.innerHTML()).trim(), 'Window content was empty').not.equal('');
});

test('Preload versions', async () => {
  const page = await electronApp.firstWindow();
  const versionsElement = page.locator('#process-versions');
  expect(await versionsElement.count(), 'expect find one element #process-versions').toStrictEqual(
    1,
  );

  /**
   * In this test we check only text value and don't care about formatting. That's why here we remove any space symbols
   */
  const renderedVersions = (await versionsElement.innerText()).replace(/\s/g, '');
  const expectedVersions = await electronApp.evaluate(() => process.versions);

  for (const expectedVersionsKey in expectedVersions) {
    expect(renderedVersions).include(
      `${expectedVersionsKey}:v${expectedVersions[expectedVersionsKey]}`,
    );
  }
});

test('Preload nodeCrypto', async () => {
  const page = await electronApp.firstWindow();

  // Test hashing a random string
  const testString = Math.random().toString(36).slice(2, 7);

  const rawInput = page.locator('input#reactive-hash-raw-value');
  expect(
    await rawInput.count(),
    'expect find one element input#reactive-hash-raw-value',
  ).toStrictEqual(1);

  const hashedInput = page.locator('input#reactive-hash-hashed-value');
  expect(
    await hashedInput.count(),
    'expect find one element input#reactive-hash-hashed-value',
  ).toStrictEqual(1);

  await rawInput.fill(testString);
  const renderedHash = await hashedInput.inputValue();
  const expectedHash = createHash('sha256').update(testString).digest('hex');
  expect(renderedHash).toEqual(expectedHash);
});