#!/usr/bin/env bash
set -euo pipefail

# Read-only eBay search through the user's local ego browser.
# The browser session must already be able to pass eBay's Akamai checks.
if [[ "$#" -eq 0 && -z "${EBAY_QUERY:-}" ]]; then
  printf 'Usage: %s <product query>\n' "$0" >&2
  exit 64
fi

query="${EBAY_QUERY:-$*}"
printf '%s' "$query" > /tmp/ego-ebay-query

ego-cli nodejs <<'EOF'
const fs = await import('node:fs/promises');
const query = await fs.readFile('/tmp/ego-ebay-query', 'utf8');
await useOrCreateTaskSpace('ebay find-a-product');
await openOrReuseTab('https://www.ebay.com/sch/i.html?_nkw=' + encodeURIComponent(query), { wait: true, timeout: 40 });
await wait(2);

const result = await js(`(() => {
  const body = document.body?.innerText || '';
  const title = document.title || '';
  const blocked = /Pardon Our Interruption|Access Denied|Are you 18 or older/i.test(
    title + ' ' + body.slice(0, 5000),
  );
  if (blocked) {
    return {
      success: false,
      method: 'browser',
      reason: /18 or older/i.test(title + body) ? 'age_gated' : 'akamai_block',
      detail: title || body.slice(0, 240),
    };
  }

  const text = (selector, root) => root.querySelector(selector)?.textContent?.trim() || null;
  const findText = (root, pattern) => [...root.querySelectorAll('span,div')]
    .filter((node) => node.children.length === 0)
    .map((node) => node.textContent?.trim())
    .filter((value) => value && pattern.test(value))
    .sort((a, b) => a.length - b.length)[0] || null;
  const rows = [...document.querySelectorAll('ul.srp-results > li.s-item, ul.srp-results > li.s-card')];
  const listings = rows
    .map((row) => {
      const href = row.querySelector('a.s-item__link, a.s-card__link')?.href || null;
      const canonical = href ? href.split('?')[0] : null;
      const itemId = canonical?.match(/\\/itm\\/(\\d+)/)?.[1] || null;
      const titleNode = row.querySelector('.s-item__title > span:not(.LIGHT_HIGHLIGHT), .s-card__title .su-styled-text, .s-card__title');
      const titleText = titleNode?.textContent?.trim().replace(/Opens in a new window or tab.*$/i, '') || null;
      const price = text('.s-item__price, .s-card__price', row);
      const range = price?.match(/(.+?)\\s+to\\s+(.+)/i);
      return {
        item_id: itemId,
        item_url: canonical,
        title: titleText,
        price,
        price_currency: price?.startsWith('£') ? 'GBP' : price?.startsWith('€') || price?.startsWith('EUR') ? 'EUR' : price?.startsWith('\\u0024') ? 'USD' : null,
        price_range: range ? { low: range[1].trim(), high: range[2].trim() } : null,
        buy_format: text('.s-item__purchase-options-with-icon', row) || findText(row, /Buy It Now|Best Offer|auction/i),
        condition: text('.SECONDARY_INFO, .s-card__subtitle', row),
        shipping: text('.s-item__shipping, .s-item__logisticsCost', row) || findText(row, /shipping|delivery/i),
        free_shipping: /free shipping|free delivery/i.test(findText(row, /free shipping|free delivery/i) || ''),
        location: text('.s-item__location', row) || findText(row, /Located in|from United/i),
        seller: text('.s-item__seller-info-text, .s-card__program-badge', row) || findText(row, /positive \\(.*\\)/i),
        bids: text('.s-item__bids', row),
        time_left: text('.s-item__time-left', row),
        sold_count: text('.s-item__hotness', row) || text('.s-item__quantitySold', row),
        thumbnail: row.querySelector('img.s-item__image-img, img.s-card__image')?.src
          || row.querySelector('img.s-item__image-img, img.s-card__image')?.dataset?.src
          || null,
      };
    })
    .filter((item) => item.item_url && item.item_id && item.title && item.title !== 'Shop on eBay');

  const totalText = document.querySelector('.srp-controls__count-heading')?.textContent?.trim() || '';
  const total = Number((totalText.match(/[\\d,]+/) || ['0'])[0].replace(/,/g, '')) || listings.length;
  return {
    success: true,
    method: 'browser',
    locale: location.hostname.replace(/^www\\./, ''),
    result_count: listings.length,
    total_available: total,
    listings,
  };
})()`);

cliLog(JSON.stringify({ query, ...result }, null, 2));
EOF