function textOf(node) {
  return ((node && (node.innerText || node.textContent || '')) || '').replace(/\s+/g, ' ').trim();
}

function isVisible(el) {
  if (!el || !el.getBoundingClientRect) return false;
  const rect = el.getBoundingClientRect();
  const style = window.getComputedStyle(el);
  return rect.width > 0 && rect.height > 0 && style.display !== 'none' && style.visibility !== 'hidden';
}

function clickElement(el) {
  el.scrollIntoView({ block: 'center', inline: 'nearest' });
  if (el.focus) el.focus();
  for (const eventName of ['pointerdown', 'mousedown', 'pointerup', 'mouseup']) {
    el.dispatchEvent(new MouseEvent(eventName, { bubbles: true, cancelable: true, view: window }));
  }
  el.click();
}

function summarize(el) {
  return {
    tag: el.tagName,
    text: textOf(el).slice(0, 500),
    attrs: Array.from(el.attributes || []).reduce((acc, attr) => {
      acc[attr.name] = attr.value;
      return acc;
    }, {}),
    outerHTML: (el.outerHTML || '').slice(0, 1000),
  };
}

const view = document.querySelector('[data-testid="complete-drafts-view"]');
if (!view) return { ok: false, reason: 'complete drafts view not found' };

const selectedRows = Array.from(view.querySelectorAll('.ag-center-cols-container [role="row"]'))
  .filter((row) => isVisible(row) && (row.getAttribute('aria-selected') === 'true' || row.classList.contains('ag-row-selected')));
if (!selectedRows.length) return { ok: false, reason: 'no selected complete draft rows' };

const bulkDropdown = view.querySelector('#bulk-dropdown');
if (!bulkDropdown) {
  return {
    ok: false,
    reason: 'bulk dropdown not found',
    selectedCount: selectedRows.length,
  };
}

const toggle = bulkDropdown.shadowRoot && bulkDropdown.shadowRoot.querySelector('button[part="dropdown-button-toggle-button"], button');
clickElement(toggle || bulkDropdown);

function findBulkDeleteAction() {
  const all = [];
  const seen = new Set();
  function walk(root) {
    if (!root || seen.has(root)) return;
    seen.add(root);
    const walker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT);
    let node = walker.currentNode;
    while (node) {
      if (node.nodeType === Node.ELEMENT_NODE && node.tagName) all.push(node);
      if (node.shadowRoot) walk(node.shadowRoot);
      if ((node.tagName || '').toLowerCase() === 'slot' && node.assignedElements) {
        for (const assigned of node.assignedElements({ flatten: true })) walk(assigned);
      }
      node = walker.nextNode();
    }
  }
  walk(document);
  const exactAction = all.find((el) => {
    const action = String(el.getAttribute && el.getAttribute('data-action') || '');
    const text = textOf(el);
    return isVisible(el) && action === 'DELETE_DRAFTS' && /删除商品信息草稿/.test(text);
  });
  if (exactAction) return exactAction;

  return all.find((el) => {
    const text = textOf(el);
    const attrs = Array.from(el.attributes || []).map((attr) => `${attr.name}=${attr.value}`).join(' ');
    const haystack = `${text} ${attrs}`;
    if (!isVisible(el) || !/删除商品信息草稿/.test(haystack)) return false;
    if (/^(HTML|BODY|KAT-DATA-GRID)$/i.test(el.tagName || '') && text.length > 80) return false;
    if (/^DIV$/i.test(el.tagName || '') && text !== '删除商品信息草稿') return false;
    if ((el.tagName || '').toLowerCase() === 'kat-icon') return false;
    return /^(BUTTON|KAT-BUTTON|KAT-OPTION|KAT-DROPDOWN-OPTION|LI|A|SPAN|DIV)$/i.test(el.tagName || '');
  });
}

const deleteAction = findBulkDeleteAction();

if (!deleteAction) {
  const candidates = [];
  const seen = new Set();
  function walkCandidates(root) {
    if (!root || seen.has(root)) return;
    seen.add(root);
    const walker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT);
    let node = walker.currentNode;
    while (node) {
      if (node.nodeType === Node.ELEMENT_NODE && node.tagName && isVisible(node)) {
        const text = textOf(node);
        const attrs = Array.from(node.attributes || []).map((attr) => `${attr.name}=${attr.value}`).join(' ');
        if (/删除|草稿|选择组操作|menu|option/i.test(`${text} ${attrs}`)) candidates.push(summarize(node));
      }
      if (node.shadowRoot) walkCandidates(node.shadowRoot);
      node = walker.nextNode();
    }
  }
  walkCandidates(document);
  return {
    ok: false,
    reason: 'bulk delete draft action not found',
    menuOpened: true,
    selectedCount: selectedRows.length,
    bulkDropdown: summarize(bulkDropdown),
    candidates: candidates.slice(0, 50),
  };
}

clickElement(deleteAction);

return {
  ok: true,
  selectedCount: selectedRows.length,
  bulkDropdown: summarize(bulkDropdown),
  clicked: summarize(deleteAction),
  rows: selectedRows.slice(0, 10).map(summarize),
};