'use strict';

const { app, BrowserWindow } = require('electron');

const targetUrl = process.env.WEBAVP_SMOKE_WEB_URL || 'http://127.0.0.1:5152/';
let failed = false;

app.commandLine.appendSwitch('disable-gpu');

app.whenReady().then(async () => {
  const win = new BrowserWindow({ show: false, webPreferences: { contextIsolation: true, nodeIntegration: false, sandbox: true } });
  win.webContents.on('console-message', (_event, level, message) => {
    if (level >= 2) {
      failed = true;
      console.error(`[WebAVP] Browser console error: ${message}`);
    }
  });
  try {
    await win.loadURL(targetUrl);
    const result = await win.webContents.executeJavaScript(`(async () => {
      const deadline = Date.now() + 12000;
      while (!document.getElementById('releaseStatus')?.textContent && Date.now() < deadline) {
        await new Promise(resolve => setTimeout(resolve, 100));
      }
      async function importCameraCount(count) {
        const input = document.getElementById('fileInput');
        const transfer = new DataTransfer();
        for (let index = 1; index <= count; index += 1) {
          transfer.items.add(new File(['x'], 'Camera' + index + '.mp4', { type: 'video/mp4' }));
        }
        Object.defineProperty(input, 'files', { value: transfer.files, configurable: true });
        input.dispatchEvent(new Event('change', { bubbles: true }));
        const importDeadline = Date.now() + 5000;
        while (document.querySelectorAll('.cam-cell').length < count && Date.now() < importDeadline) {
          await new Promise(resolve => setTimeout(resolve, 50));
        }
        return [...document.querySelectorAll('.cam-cell')]
          .filter(cell => getComputedStyle(cell).display !== 'none').length;
      }

      document.querySelector('[data-layout="2x2"]').click();
      const fixedVisible = await importCameraCount(5);
      document.getElementById('newSessionBtn').click();
      document.querySelector('[data-layout="auto"]').click();
      const autoVisible = await importCameraCount(17);

      return ({
      title: document.title,
      hasUtils: !!window.WebAVPUtils,
      autoGrid16: window.WebAVPUtils?.getAutoGrid(16),
      releaseText: document.getElementById('releaseAction')?.textContent.trim(),
      releaseFallback: document.getElementById('releaseAction')?.href,
      releaseStatus: document.getElementById('releaseStatus')?.textContent,
      hasFourByFour: !!document.querySelector('[data-layout="4x4"]'),
      hasDewarp: /dewarp|fisheye/i.test(document.documentElement.textContent),
      fixedVisible,
      autoVisible
      });
    })()`);
    const passed = result.title === 'Alta Video Player'
      && result.hasUtils
      && result.autoGrid16?.cols === 4
      && result.autoGrid16?.rows === 4
      && result.releaseText === 'Download Desktop App'
      && result.releaseFallback.startsWith('https://git.pejicorp.com/peji/WebAVP/releases')
      && result.releaseStatus.length > 0
      && result.hasFourByFour
      && !result.hasDewarp
      && result.fixedVisible === 4
      && result.autoVisible === 16
      && !failed;
    if (!passed) throw new Error(`Browser assertions failed: ${JSON.stringify(result)}`);
    console.log(`[WebAVP] Browser smoke passed at ${targetUrl}`);
    app.exit(0);
  } catch (err) {
    console.error(`[WebAVP] Browser smoke failed: ${err.message}`);
    app.exit(1);
  }
});