const quantity = require("./native-quantity.cjs");

function rowParser(text) {
  const superscripts = new Set(
    [...text.matchAll(/<cs\b[^>]*\bnr=(\d+)[^>]*>/gi)]
      .filter((match) => (Number(match[0].match(/CharStyleON:(\d+)/)?.[1] || 0) & 16) !== 0)
      .map((match) => match[1]),
  );
  const tags = new Map();
  for (const match of text.matchAll(/<begin\b[^>]*\bTag=(\d+)[^>]*>/gi)) {
    if (quantity.entities(match[0]).match(/Name:["']([^"']+)["']/)) tags.set(match[1], match[0]);
  }
  return (div) => {
    const ids = new Set([...div.matchAll(/\bTag=(\d+)/gi)].map((match) => match[1]));
    const declarations = [...ids].map((id) => tags.get(id) || "").join("");
    const styles = [...new Set([...div.matchAll(/<c\s+nr=(\d+)\s*\/>/gi)].map((m) => m[1]))]
      .filter((id) => superscripts.has(id))
      .map((id) => `<cs nr=${id} CharStyleON:16/>`)
      .join("");
    return quantity.fromWpt("", "", styles + declarations + div, [], {}).rows;
  };
}

module.exports = { rowParser };