/**
 * Renders the PWA icons (docs/07 §11) from the favicon design with headless Chrome.
 *   bun scripts/pwa-icons.ts   → apps/web/public/icons/*.png
 * "any" icons keep the favicon's rounded corners; maskable/apple icons are full-bleed
 * (the OS applies its own mask) with the board inside the 40% safe circle.
 */
import { chromium } from 'playwright-core';
import { mkdirSync, readFileSync } from 'node:fs';
import { join } from 'node:path';

const PUBLIC = join(import.meta.dir, '../apps/web/public');
const OUT = join(PUBLIC, 'icons');
mkdirSync(OUT, { recursive: true });

const rounded = readFileSync(join(PUBLIC, 'favicon.svg'), 'utf8');
// Same board as the favicon, shrunk to 80% so every stroke stays inside the safe circle.
const fullBleed = `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64"><rect width="64" height="64" fill="#E3B76B"/><g transform="translate(32 32) scale(0.8) translate(-32 -32)"><path d="M12 22h40M12 32h40M12 42h40M22 12v40M32 12v40M42 12v40" stroke="#7a5a22" stroke-width="2"/><circle cx="32" cy="32" r="8" fill="#1c1e21"/><circle cx="42" cy="22" r="8" fill="#fff" stroke="#1c1e21" stroke-width="2"/></g></svg>`;

const ICONS: [file: string, size: number, svg: string][] = [
  ['icon-192.png', 192, rounded],
  ['icon-512.png', 512, rounded],
  ['icon-maskable-512.png', 512, fullBleed],
  ['apple-touch-icon.png', 180, fullBleed],
];

const browser = await chromium.launch({ executablePath: process.env.CHROME ?? '/usr/bin/google-chrome', headless: true });
const page = await browser.newPage();
for (const [file, size, svg] of ICONS) {
  await page.setViewportSize({ width: size, height: size });
  await page.setContent(`<style>html,body{margin:0;background:transparent}svg{display:block;width:${size}px;height:${size}px}</style>${svg}`);
  await page.screenshot({ path: join(OUT, file), omitBackground: true });
  console.log(`✓ ${file}`);
}
await browser.close();