import type { Element } from 'hast';

import type { HastNode, HastNodeIndex, HastNodeParent } from '../types/hast.js';

export function gitBookScrapeCardGroup(
  node: HastNode,
  _: HastNodeIndex,
  parent: HastNodeParent
): Element | undefined {
  if (node.tagName !== 'Card') return undefined;
  if (!parent) return undefined;

  let cardCount = 0;
  for (const child of parent.children) {
    if (child.type === 'element' && child.tagName === 'Card') cardCount++;
  }

  if (cardCount === parent.children.length) {
    parent.type = 'element';
    (parent as Element).tagName = 'CardGroup';
  }

  return undefined;
}

export function readmeScrapeCardGroup(
  node: HastNode,
  _: HastNodeIndex,
  parent: HastNodeParent
): Element | undefined {
  if (node.tagName !== 'Card') return undefined;
  if (!parent) return undefined;

  let cardCount = 0;
  for (const child of parent.children) {
    if (child.type === 'element' && child.tagName === 'Card') cardCount++;
  }

  if (cardCount === parent.children.length) {
    parent.type = 'element';
    (parent as Element).tagName = 'CardGroup';
  }

  return undefined;
}

export function docusaurusScrapeCardGroup(
  node: HastNode,
  _: HastNodeIndex,
  parent: HastNodeParent
): Element | undefined {
  if (node.tagName !== 'Card') return undefined;
  if (!parent) return undefined;

  let cardCount = 0;
  for (const child of parent.children) {
    if (child.type === 'element' && child.tagName === 'Card') cardCount++;
  }

  if (cardCount === parent.children.length) {
    parent.type = 'element';
    (parent as Element).tagName = 'CardGroup';
  }

  return undefined;
}