// templates/*.dc.html 의 /*PRETENDARD*/ 토큰을 Pretendard woff2 data URI 로 치환해
// 작업 디렉터리 루트에 최종 .dc.html 아트보드를 생성한다.
import { readFileSync, writeFileSync, readdirSync } from 'node:fs';
import { join } from 'node:path';

const WEIGHTS = [
  ['Regular', 400],
  ['SemiBold', 600],
  ['Bold', 700],
];

const faces = WEIGHTS.map(([file, weight]) => {
  const b64 = readFileSync(join('fonts', `Pretendard-${file}.subset.woff2`)).toString('base64');
  return `@font-face{font-family:'Pretendard';font-style:normal;font-weight:${weight};font-display:swap;src:url(data:font/woff2;base64,${b64}) format('woff2');}`;
}).join('\n');

let count = 0;
for (const name of readdirSync('templates')) {
  if (!name.endsWith('.dc.html')) continue;
  const src = readFileSync(join('templates', name), 'utf8');
  if (!src.includes('/*PRETENDARD*/')) {
    console.error(`warn: ${name} 에 /*PRETENDARD*/ 토큰이 없습니다`);
  }
  writeFileSync(name, src.replace('/*PRETENDARD*/', faces), 'utf8');
  count += 1;
  console.log(`${name} — ${(readFileSync(name).length / 1024).toFixed(0)} KB`);
}
console.log(`${count} artboards built`);