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 summarizeRow(row) {
  return {
    rowId: row.getAttribute('row-id') || '',
    text: textOf(row).slice(0, 500),
    selected: row.getAttribute('aria-selected') === 'true' || row.classList.contains('ag-row-selected'),
  };
}

const payload = arguments[0] || {};
const view = document.querySelector('[data-testid="complete-drafts-view"]');
if (!view) return { ok: false, reason: 'complete drafts view not found' };

const rows = Array.from(view.querySelectorAll('.ag-center-cols-container [role="row"]'))
  .filter((row) => isVisible(row));
const rowCount = rows.length;
const selectedBefore = rows.filter((row) => row.getAttribute('aria-selected') === 'true' || row.classList.contains('ag-row-selected')).length;
const maxSelectCountRaw = Number(payload.maxSelectCount || 0);
const maxSelectCount = Number.isFinite(maxSelectCountRaw) && maxSelectCountRaw > 0 ? Math.floor(maxSelectCountRaw) : 0;

if (payload.probeOnly) {
  return {
    ok: true,
    probeOnly: true,
    rowCount,
    selectedCount: selectedBefore,
    rows: rows.slice(0, 10).map(summarizeRow),
  };
}

if (rowCount <= 0) {
  return { ok: false, reason: 'no complete draft rows', rowCount, selectedCount: selectedBefore };
}

const headerCheckbox = view.querySelector('.ag-header-select-all input[type="checkbox"]');
if (!headerCheckbox) {
  return { ok: false, reason: 'complete draft select-all checkbox not found', rowCount, selectedCount: selectedBefore };
}

if (maxSelectCount > 0 && maxSelectCount < rowCount) {
  if (headerCheckbox.checked) {
    clickElement(headerCheckbox);
  }
  for (const row of rows) {
    if (row.getAttribute('aria-selected') === 'true' || row.classList.contains('ag-row-selected')) {
      const checkbox = row.querySelector('input[type="checkbox"]');
      if (checkbox && checkbox.checked) clickElement(checkbox);
    }
  }
  for (const row of rows.slice(0, maxSelectCount)) {
    const checkbox = row.querySelector('input[type="checkbox"]');
    if (checkbox && !checkbox.checked) {
      clickElement(checkbox);
    } else if (!checkbox) {
      clickElement(row);
    }
  }
} else if (!headerCheckbox.checked || selectedBefore < rowCount) {
  clickElement(headerCheckbox);
}

let 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 <= 0) {
  const firstRowCheckbox = rows[0] && rows[0].querySelector('input[type="checkbox"]');
  if (firstRowCheckbox && !firstRowCheckbox.checked) {
    clickElement(firstRowCheckbox);
  }
}

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')));

return {
  ok: selectedRows.length > 0,
  rowCount,
  selectedCount: selectedRows.length,
  headerChecked: headerCheckbox.checked,
  rows: selectedRows.slice(0, 10).map(summarizeRow),
};