const { _electron: electron } = require('playwright');
const {
  createE2eEnvironment,
  getElectronLaunchOptions,
  verifyE2eIsolation,
  installOfflineFixtures,
  cleanupE2eEnvironment
} = require('./e2e-test-environment');

async function run() {
  const environment = createE2eEnvironment('template-guide');
  let app = null;
  try {
    app = await electron.launch(getElectronLaunchOptions(environment));
    const win = await app.firstWindow();
    const isolation = await verifyE2eIsolation(app, win, environment);
    const fixtures = await installOfflineFixtures(app);
    const issues = [];
    const failures = [];

    win.on('pageerror', (err) => {
      issues.push(`pageerror: ${String(err)}`);
    });

    win.on('console', (msg) => {
      if (msg.type() === 'error') {
        issues.push(`console.error: ${msg.text()}`);
      }
    });

    const fail = (message) => failures.push(message);
    let settingsPreview = '';
    let variableRows = 0;
    let clipPreviewBefore = '';
    let clipPreviewAfter = '';

    await win.waitForTimeout(2500);

    await win.evaluate(() => {
      window.showTab('settings');
    });
    await win.waitForTimeout(200);

    await win.click('#settingsTemplateGuideBtn');
    await win.waitForTimeout(180);

    const guideVisibleFromSettings = await win.evaluate(() => {
      return document.getElementById('templateGuideModal')?.classList.contains('show') || false;
    });

    if (!guideVisibleFromSettings) {
      fail('Template guide did not open from settings');
    }

    await win.fill('#templateGuideInput', '{title}_{part_padded}_{date_custom="yyyy-MM-dd"}.mp4');
    await win.waitForTimeout(160);

    settingsPreview = await win.locator('#templateGuideOutput').innerText();
    if (!settingsPreview.includes('.mp4')) {
      fail('Settings template preview missing .mp4 output');
    }
    if (settingsPreview.includes('{title}') || settingsPreview.includes('{part_padded}') || settingsPreview.includes('{date_custom=')) {
      fail('Settings template preview did not replace placeholders');
    }

    variableRows = await win.locator('#templateGuideBody tr').count();
    if (variableRows < 12) {
      fail(`Template variable table too short (${variableRows})`);
    }

    await win.click('#templateGuideUseParts');
    await win.waitForTimeout(150);
    const partsContext = await win.locator('#templateGuideContext').innerText();
    if (!/part|teil/i.test(partsContext)) {
      fail('Template guide parts context text missing');
    }

    await win.click('#templateGuideCloseBtn');
    await win.waitForTimeout(100);

    await win.evaluate(() => {
      window.showTab('vods');
      window.openClipDialog(
        'https://www.twitch.tv/videos/999999999999999',
        'Offline fixture VOD',
        '2026-02-01T00:00:00Z',
        'offline_fixture',
        '1h0m0s'
      );
    });
    await win.waitForTimeout(260);

    await win.locator('input[name="filenameFormat"][value="template"]').check();
    await win.waitForTimeout(140);

    await win.click('#clipTemplateGuideBtn');
    await win.waitForTimeout(140);

    const clipContext = await win.locator('#templateGuideContext').innerText();
    if (!/clip/i.test(clipContext)) {
      fail('Template guide clip context text missing');
    }

    await win.fill('#templateGuideInput', '{trim_start}_{part}.mp4');
    await win.waitForTimeout(120);
    clipPreviewBefore = await win.locator('#templateGuideOutput').innerText();

    await win.fill('#clipStartTime', '00:00:10');
    await win.evaluate(() => {
      window.updateFromInput('start');
    });
    await win.waitForTimeout(240);

    clipPreviewAfter = await win.locator('#templateGuideOutput').innerText();
    if (clipPreviewAfter === clipPreviewBefore) {
      fail('Clip template guide preview did not react to clip start time changes');
    }

    await win.click('#templateGuideCloseBtn');
    await win.evaluate(() => {
      window.closeClipDialog();
    });

    const summary = {
      isolation,
      fixtures,
      failures,
      issues,
      checks: {
        settingsPreview,
        variableRows,
        clipPreviewBefore,
        clipPreviewAfter
      }
    };

    console.log(JSON.stringify(summary, null, 2));

    return failures.length > 0 || issues.length > 0 ? 1 : 0;
  } finally {
    if (app) {
      await app.close().catch(() => undefined);
    }
    cleanupE2eEnvironment(environment);
  }
}

run()
  .then((exitCode) => {
    process.exitCode = exitCode;
  })
  .catch((err) => {
    console.error(err);
    process.exitCode = 1;
  });