const {chromium} = require('playwright');
const assert = require('node:assert/strict');
const fs = require('node:fs');
(async () => {
  const base = process.argv[2] || 'http://127.0.0.1:4173';
  const output = `.cache/measurement-${process.argv[3] || 'local'}`;
  fs.mkdirSync(output, {recursive:true});
  const browser = await chromium.launch({headless:true, executablePath:process.env.PLAYWRIGHT_CHROMIUM_EXECUTABLE, args:['--no-sandbox']});
  const results = [];
  try {
    for (const width of [1440, 390, 320]) {
      const context = await browser.newContext({viewport:{width,height:1000}, colorScheme:'light'});
      const page = await context.newPage();
      const errors = [];
      page.on('pageerror', error => errors.push(error.message));
      const response = await page.goto(`${base}/eldorado-v1/documentation/strategy/measurement/`, {waitUntil:'networkidle'});
      assert.equal(response.status(), 200);
      assert.equal(await page.locator('h1').innerText(), 'Skills Measurement');
      assert((await page.title()).startsWith('Skills Measurement |'));
      assert.equal(await page.locator('.strategy-content details').count(), 0);
      assert.equal(await page.locator('.strategy-content h2').count(), 2);
      if (width < 700) await page.getByRole('button', {name:'Toggle navigation bar'}).click();
      const menu = page.locator('.theme-doc-sidebar-menu .menu__link').filter({visible:true});
      await menu.first().waitFor({state:'visible'});
      const metrics = JSON.parse(fs.readFileSync('research/ai-adoption/measurement-migration.json','utf8')).metrics;
      assert.deepEqual(await menu.allTextContents(), ['Target','Roadmap','Stage - 01 - Skills Adoption','Measurement',...metrics.map(m => m.title),'Collection and safeguards','Run the synthetic measurement example','Baseline','Governance','Quality','Adoption','Maintenance','Stage - 02 - Autonomous Agent']);
      if (width < 700) await page.getByRole('button', {name:'Close navigation bar'}).click();
      const panel = page.locator('.archify-panel--story');
      const iframe = panel.locator(width > 700 ? '.story-desktop' : '.story-mobile');
      await iframe.scrollIntoViewIfNeeded();
      const frame = await (await iframe.elementHandle()).contentFrame();
      await frame.locator('svg[role="img"]').waitFor();
      const geometry = await frame.locator('svg[role="img"]').evaluate(svg => {
        const nodes = [...svg.querySelectorAll('[data-node-id]')].map(n => n.getBoundingClientRect().toJSON());
        return {nodes, width:innerWidth, height:innerHeight, minLabel:Math.min(...[...svg.querySelectorAll('text[data-node-label]')].map(n => parseFloat(getComputedStyle(n).fontSize)*n.getScreenCTM().a))};
      });
      assert.equal(geometry.nodes.length, JSON.parse(fs.readFileSync('diagrams/strategy-measurement.architecture.json')).components.length);
      for (const n of geometry.nodes) assert(n.x >= 0 && n.y >= 0 && n.right <= geometry.width + 1 && n.bottom <= geometry.height + 1);
      assert(geometry.minLabel >= 10, `readable node labels: ${geometry.minLabel}`);
      await frame.locator('#btn-theme').click();
      await page.waitForFunction(() => document.documentElement.dataset.theme === 'dark');
      await frame.locator('#btn-theme').click();
      await page.waitForFunction(() => document.documentElement.dataset.theme === 'light');
      for (const preset of ['blueprint','classic']) {
        await frame.locator('#btn-preset').click();
        await frame.locator(`[data-preset-value="${preset}"]`).click();
        assert.equal(await frame.locator('html').getAttribute('data-preset'), preset);
      }
      await frame.locator('#btn-export').click();
      const [download] = await Promise.all([page.waitForEvent('download'), frame.locator('[data-format="svg"]').click()]);
      assert.equal(await download.failure(), null);
      const path = `${output}/${width}.svg`; await download.saveAs(path);
      const svg = fs.readFileSync(path, 'utf8');
      assert(svg.includes('Available choices') && svg.includes('No mandatory collection'));
      const opener = panel.getByRole('button', {name:/^Expand /});
      await opener.click();
      const close = panel.getByRole('button', {name:'Close full-screen diagram', exact:true});
      await close.waitFor({state:'visible'}); assert.equal(await close.innerText(), '×');
      await close.click(); assert(await opener.evaluate(n => n === document.activeElement));
      await opener.click(); await close.waitFor({state:'visible'}); await close.focus(); await page.keyboard.press('Escape');
      await page.waitForFunction(() => !document.querySelector('.archify-panel--story dialog').open);
      assert(await opener.evaluate(n => n === document.activeElement));
      assert(!await page.evaluate(() => document.documentElement.scrollWidth > innerWidth));
      await page.evaluate(() => scrollTo({top:0, behavior:'instant'}));
      await page.screenshot({path:`${output}/${width}-top.png`});
      await page.locator('.strategy-content h2').nth(1).scrollIntoViewIfNeeded();
      await page.screenshot({path:`${output}/${width}-pilot.png`});
      await page.screenshot({path:`${output}/${width}-full.png`, fullPage:true});
      const links = await page.locator('.strategy-content a[href*="/measurement/"]').evaluateAll(nodes => nodes.map(n => n.href));
      for (const href of [...new Set(links)]) {
        const navigation = await page.goto(href, {waitUntil:'networkidle'});
        if (navigation) assert.equal(navigation.status(), 200);
        assert.equal(page.url(), href);
        if (new URL(href).hash) await page.locator(new URL(href).hash).waitFor({state:'visible'});
      }
      assert.equal(new Set(links.map(h => new URL(h).pathname)).size, 18);
      assert(!await page.evaluate(() => document.documentElement.scrollWidth > innerWidth));
      assert.deepEqual(errors, []);
      results.push({width, geometry, links:links.length, title:true, sidebar:true, controls:true, export:true, reference:true});
      fs.writeFileSync(`${output}/results.json`, JSON.stringify(results,null,2));
      await context.close();
    }
    console.log(`PASS ${results.length} Skills Measurement viewports: title/sidebar, optional registry, diagram geometry/controls/export, all reference links and no page errors`);
  } finally {await browser.close();}
})().catch(error => {console.error(error); process.exitCode = 1;});