import {test,expect} from '@playwright/test';
import jsQR from 'jsqr';
import {PNG} from 'pngjs';
import fs from 'node:fs';
const url='https://huggingface.co/datasets/evalstate/mcp-clients';
test('themes scan, export and validate; responsive layout',async({page})=>{
 await page.setViewportSize({width:1440,height:1150});
 await page.goto('http://localhost:5173');
 await expect(page.locator('#qr svg')).toBeVisible();
 for(const theme of ['phosphor','amber','ice']){
  await page.locator(`[data-theme=${theme}]`).click();
  await page.screenshot({path:`previews/${theme}.png`,fullPage:true});
  const downloadPromise=page.waitForEvent('download');await page.locator('#png').click();
  const download=await downloadPromise;await download.saveAs(`previews/qr-${theme}.png`);
  const png=PNG.sync.read(fs.readFileSync(`previews/qr-${theme}.png`));
  const decoded=jsQR(new Uint8ClampedArray(png.data),png.width,png.height);
  expect(decoded?.data).toBe(url);
 }
 const svgDownload=page.waitForEvent('download');await page.locator('#svg').click();await (await svgDownload).saveAs('previews/qr-ice.svg');
 await page.locator('#url').fill('javascript:alert(1)');await expect(page.locator('#png')).toBeDisabled();await expect(page.locator('#qr svg')).toHaveCount(0);
 await page.locator('#url').fill(url);await page.locator('#logo').uncheck();await expect(page.locator('#qr image')).toHaveCount(0);
 await page.locator('#logo').check();await page.locator('[data-theme=phosphor]').click();
 await page.setViewportSize({width:390,height:844});await page.screenshot({path:'previews/mobile.png',fullPage:true});
 expect(await page.evaluate(()=>document.documentElement.scrollWidth<=innerWidth)).toBe(true);
});
test('logo sizes and optional custom header exports scan',async({page})=>{
 await page.goto('http://localhost:5173');await expect(page.locator('#qr svg')).toBeVisible();
 await page.locator('#header-text').fill('MY DATASET <HF> & FRIENDS');
 await expect(page.locator('#header-preview')).toHaveText('MY DATASET <HF> & FRIENDS');
 for(const theme of ['phosphor','amber','ice']){
  await page.locator(`[data-theme=${theme}]`).click();
  for(const size of [12,17,22,26]){
   await page.locator('#logo-size').fill(String(size));
   await expect(page.locator('#size-value')).toHaveText(`${size}%`);
   const pending=page.waitForEvent('download');await page.locator('#png').click();const file=await (await pending).path();
   const png=PNG.sync.read(fs.readFileSync(file));expect(png.height).toBe(1136);expect(jsQR(new Uint8ClampedArray(png.data),png.width,png.height)?.data).toBe(url);
  }
 }
 const pending=page.waitForEvent('download');await page.locator('#svg').click();const text=fs.readFileSync(await (await pending).path(),'utf8');expect(text).toContain('MY DATASET &lt;HF&gt; &amp; FRIENDS');expect(text).not.toContain('SCAN TO CONNECT');
 await page.locator('#include-header').uncheck();await expect(page.locator('.card-top')).toBeHidden();await expect(page.locator('#header-text')).toBeDisabled();
 const bare=page.waitForEvent('download');await page.locator('#png').click();const png=PNG.sync.read(fs.readFileSync(await (await bare).path()));expect(png.height).toBe(1024);expect(jsQR(new Uint8ClampedArray(png.data),png.width,png.height)?.data).toBe(url);
 await page.locator('#logo').uncheck();await expect(page.locator('#logo-size')).toBeDisabled();
});