/**
 * Render PDF files in /tmp/rjbulk-pdfs to PNGs for visual review.
 * Usage: node scripts/render-pdfs.mjs
 */
import puppeteer from "puppeteer-core";
import { readdirSync } from "fs";
import { join } from "path";

const CHROME = "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome";
const PDF_DIR = "/tmp/rjbulk-pdfs";
const OUT_DIR = "/tmp/rjbulk-pdf-images";

async function main() {
  const browser = await puppeteer.launch({
    executablePath: CHROME,
    headless: "new",
    args: ["--no-sandbox", "--disable-gpu"],
  });

  const files = readdirSync(PDF_DIR).filter((f) => f.endsWith(".pdf"));
  for (const f of files) {
    const page = await browser.newPage();
    await page.setViewport({ width: 900, height: 1200 });
    await page.goto(`file://${PDF_DIR}/${f}`, { waitUntil: "networkidle2", timeout: 30000 });
    await new Promise((r) => setTimeout(r, 500));
    const name = f.replace(".pdf", ".png");
    await page.screenshot({ path: join(OUT_DIR, name), fullPage: true });
    console.log(`  ✓ ${name}`);
    await page.close();
  }
  await browser.close();
}

main().catch((e) => {
  console.error(e);
  process.exit(1);
});