function cleanText(value) {
  return String(value || '')
    .replace(/\s+/g, ' ')
    .replace(/\u200b/g, '')
    .trim();
}

function bodyText() {
  const body = document.body;
  return cleanText(body && (body.innerText || body.textContent || ''));
}

function isLoginBlocked(url, text) {
  return /\/signin\b|\/signup\b/.test(url) ||
    /登录|注册|验证码|安全验证|验证后继续|请先登录/.test(text);
}

function hasEditorSignals() {
  return !!document.querySelector(
    "textarea[placeholder*='标题'], input[placeholder*='标题'], div[contenteditable='true'][role='textbox']"
  );
}

function isVisible(node) {
  if (!node) {
    return false;
  }
  const rect = typeof node.getBoundingClientRect === 'function' ? node.getBoundingClientRect() : null;
  return !rect || rect.width > 0 || rect.height > 0;
}

function isWriteEntryText(text) {
  return !!text && (text.includes('写文章') || text.includes('发文章'));
}

function extractHref(node) {
  if (!node) {
    return '';
  }
  if (typeof node.href === 'string' && node.href) {
    return node.href;
  }
  if (typeof node.getAttribute === 'function') {
    return node.getAttribute('href') || '';
  }
  return '';
}

function findClickableAncestor(node) {
  let current = node;
  while (current) {
    const tagName = String(current.tagName || '').toUpperCase();
    const role = typeof current.getAttribute === 'function' ? cleanText(current.getAttribute('role')) : '';
    const tabindex = typeof current.getAttribute === 'function' ? current.getAttribute('tabindex') : null;
    const href = extractHref(current);
    if (
      tagName === 'A' ||
      tagName === 'BUTTON' ||
      role === 'button' ||
      href ||
      (tabindex !== null && tabindex !== '')
    ) {
      return current;
    }
    current = current.parentElement || null;
  }
  return null;
}

function findWriteEntry() {
  const directCandidates = Array.from(
    document.querySelectorAll("a[href], button, [role='button']")
  );
  const directMatch = directCandidates.find((node) => {
    const text = cleanText(node.textContent);
    if (!isWriteEntryText(text)) {
      return false;
    }
    return isVisible(node);
  });
  if (directMatch) {
    return directMatch;
  }

  const textNodes = Array.from(
    document.querySelectorAll("div, span, [tabindex]")
  );
  for (const node of textNodes) {
    if (!isVisible(node)) {
      continue;
    }
    const text = cleanText(node.textContent);
    if (!isWriteEntryText(text)) {
      continue;
    }
    const clickableAncestor = findClickableAncestor(node);
    if (clickableAncestor && isVisible(clickableAncestor)) {
      return clickableAncestor;
    }
  }

  return null;
}

const currentUrl = location.href;
const text = bodyText();

if (isLoginBlocked(currentUrl, text)) {
  return {
    status: 'login_required',
    current_url: currentUrl,
  };
}

if (hasEditorSignals()) {
  return {
    status: 'editor_ready',
    current_url: currentUrl,
  };
}

const writeEntry = findWriteEntry();
if (writeEntry) {
  writeEntry.click();
  const href = extractHref(writeEntry);
  return {
    status: 'creator_entry_clicked',
    current_url: currentUrl,
    next_url: href || undefined,
  };
}

return {
  status: 'creator_home',
  current_url: currentUrl,
  desired_target: String(args.desired_target || 'creator_home'),
};