const {chromium}=require('playwright');
const fs=require('node:fs');
const assert=require('node:assert/strict');
(async()=>{
 const base=process.argv[2]||'http://127.0.0.1:4173';
 const out=`.cache/skills-${process.argv[3]||'candidate'}`;fs.mkdirSync(out,{recursive:true});
 const browser=await chromium.launch({executablePath:process.env.PLAYWRIGHT_CHROMIUM_EXECUTABLE,args:['--no-sandbox']}); const results=[];
 try {
 for(const topic of ['measurement','baseline','governance','quality','adoption','maintenance','stage01','stage02']) for(const width of [1440,1024,390,320]) {
  console.log(`Checking ${topic} at ${width}px`);
  const page=await browser.newPage({viewport:{width,height:900},colorScheme:'light'});const errors=[];page.on('pageerror',e=>errors.push(e.message));
  const route=topic==='stage01'?'stage-01-skills-adoption':topic==='stage02'?'stage-02-autonomous-agent':['measurement','baseline'].includes(topic)?topic:`skills-${topic}`;
  assert.equal((await page.goto(`${base}/eldorado-v1/documentation/strategy/${route}/`,{waitUntil:'networkidle'})).status(),200);
  const panel=page.locator('.archify-panel--skills');assert.equal(await panel.count(),1);
  const iframe=panel.locator(width>1100?'.story-desktop':'.story-mobile');await iframe.scrollIntoViewIfNeeded();
  const frame=await(await iframe.elementHandle()).contentFrame();await frame.locator('svg[role="img"]').waitFor();
  // Keep iframe controls below the fixed portal header. Frame-local click
  // actionability cannot detect an overlay in the parent document.
  const showControls=async()=>{
   await panel.locator('dialog iframe').waitFor({state:'detached'});
   await panel.evaluate(n=>{
    scrollTo({top:n.getBoundingClientRect().top+scrollY-100,behavior:'instant'});
    return new Promise(resolve=>requestAnimationFrame(()=>requestAnimationFrame(resolve)));
   });
  };
  const geometry=await frame.locator('svg[role="img"]').evaluate(svg=>{
   const nodes=[...svg.querySelectorAll('g[data-node-id]')];const issues=[];let min=Infinity;
   for(const n of nodes){const rect=n.querySelector('rect').getBBox();for(const t of n.querySelectorAll('text')){
    const b=t.getBBox();min=Math.min(min,parseFloat(getComputedStyle(t).fontSize)*t.getScreenCTM().a);
    if(b.x<rect.x||b.y<rect.y||b.x+b.width>rect.x+rect.width||b.y+b.height>rect.y+rect.height)issues.push(n.id+':'+t.textContent);
   }}
   return {nodes:nodes.length,min,issues,width:innerWidth,svgWidth:svg.getBoundingClientRect().width};
  });
  const source=JSON.parse(fs.readFileSync(`diagrams/strategy-${topic}.architecture.json`));
  assert.equal(geometry.nodes,source.components.length);assert.deepEqual(geometry.issues,[]);assert(geometry.min>=10,JSON.stringify(geometry));
  for(const theme of ['light','dark']){
   await showControls();
   if(await frame.locator('html').getAttribute('data-theme')!==theme)await frame.locator('#btn-theme').click();
   await page.waitForFunction(t=>document.documentElement.dataset.theme===t,theme).catch(error=>{throw new Error(`${topic}/${width}/${theme}: theme synchronization failed`,{cause:error});});
   await panel.scrollIntoViewIfNeeded();await page.screenshot({path:`${out}/${topic}-${width}-${theme}-inline.png`});
   const open=panel.getByRole('button',{name:/^Expand /});await open.click();const close=panel.getByRole('button',{name:'Close full-screen diagram',exact:true});await close.waitFor({state:'visible'});
   const expanded=await(await panel.locator('dialog iframe').elementHandle()).contentFrame();await expanded.locator('svg[role="img"]').waitFor();
   await expanded.waitForFunction(t=>document.documentElement.dataset.theme===t,theme);
   await panel.locator('dialog').evaluate(n=>n.scrollTop=0);
   assert((await expanded.url()).includes(width<=1100?`${topic}-mobile/`:`${topic}/`));
   await page.screenshot({path:`${out}/${topic}-${width}-${theme}-fullscreen.png`});
   if(width<=700){await page.setViewportSize({width,height:480});assert(await panel.locator('dialog').evaluate(n=>n.scrollHeight>n.clientHeight));await panel.locator('dialog').evaluate(n=>n.scrollTop=n.scrollHeight);await page.screenshot({path:`${out}/${topic}-${width}-${theme}-short-bottom.png`});await page.setViewportSize({width,height:900});}
   await close.focus();await page.keyboard.press('Escape');assert(await open.evaluate(n=>n===document.activeElement));
  }
  await showControls();
  await frame.locator('#btn-preset').click();await frame.locator('[data-preset-value="blueprint"]').click();
  await frame.locator('#btn-preset').click();await frame.locator('[data-preset-value="classic"]').click();
  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);
  await download.saveAs(`${out}/${topic}-${width}.svg`);assert(fs.readFileSync(`${out}/${topic}-${width}.svg`,'utf8').includes('eldorado-skills-typography'));
  assert(!await page.evaluate(()=>document.documentElement.scrollWidth>innerWidth));assert.deepEqual(errors,[]);
  results.push({topic,width,geometry,controls:true,export:true,themes:true,fullscreen:true});fs.writeFileSync(`${out}/results.json`,JSON.stringify(results,null,2));await page.close();
 }
 console.log(`PASS ${results.length} Skills story contexts: geometry, themes, controls, exports, fullscreen and short-phone scrolling`);
 }finally{await browser.close();}
})().catch(e=>{console.error(e);process.exitCode=1});