/**
 * One-shot peek script: log in, navigate to a specific URL, screenshot it.
 * Usage: PEEK_URL=... npx tsx tools/screenshots/peek.ts
 */
import { chromium, type Page } from 'playwright';
import { mkdir } from 'node:fs/promises';
import { resolve, dirname } from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = dirname(fileURLToPath(import.meta.url));
const OUT_DIR = resolve(__dirname, '../../src/assets/screenshots/whp');

function need(name: string): string {
  const v = process.env[name];
  if (!v) throw new Error(`missing env: ${name}`);
  return v;
}

const BASE = need('WHP_BASE');
const USER = need('WHP_USER');
const PASS = need('WHP_PASS');
const PEEK = need('PEEK_URL');
const ID = process.env.PEEK_ID ?? '_peek';

async function login(page: Page): Promise<void> {
  await page.goto(`${BASE}/login.php`, { waitUntil: 'domcontentloaded' });
  await page.fill('input[name="user"]', USER);
  await page.fill('input[name="password"]', PASS);
  await page.click('button[type="submit"]');
  await page.waitForLoadState('networkidle');
}

async function main(): Promise<void> {
  const browser = await chromium.launch({ headless: true });
  const ctx = await browser.newContext({ ignoreHTTPSErrors: true, viewport: { width: 1440, height: 900 } });
  const page = await ctx.newPage();
  try {
    await login(page);
    await page.goto(`${BASE}${PEEK}`);
    await page.waitForLoadState('networkidle');
    await mkdir(OUT_DIR, { recursive: true });
    const out = resolve(OUT_DIR, `${ID}.png`);
    await page.screenshot({ path: out, fullPage: true });
    console.log(`captured ${PEEK} -> ${out}`);
  } finally {
    await browser.close();
  }
}

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