// The Lucia project.
// Copyright 2023-2026 DSP, inc.  All rights reserved.
// Authors:
//   chiayin.kuo@dsp.im (chiayin), 2023/1/31
//   imacat.yang@dsp.im (imacat), 2023/9/23
//   cindy.chang@dsp.im (Cindy Chang), 2024/5/30
/** @module sortNumEngZhtw Sorting for mixed numeric/text data. */

/**
 * Sorts an array of mixed numeric and text values in place.
 *
 * Numbers come first (ascending), followed by text sorted by
 * Traditional Chinese locale (zh-Hant-TW).
 *
 * @param {Array<string|number>} data - The array to sort.
 * @returns {Array<string|number>} The sorted array (same reference).
 */
export function sortNumEngZhtw(data) {
  return data.sort((a, b) => {
    const isANumber = !isNaN(parseFloat(a)) && isFinite(a);
    const isBNumber = !isNaN(parseFloat(b)) && isFinite(b);

    if (isANumber && isBNumber) return parseFloat(a) - parseFloat(b);

    if (isANumber) return -1;
    if (isBNumber) return 1;

    return a.localeCompare(b, "zh-Hant-TW", { sensitivity: "accent" });
  });
}

/**
 * Comparator function for sorting mixed numeric and text values.
 *
 * Suitable for use as an Array.sort() callback. Numbers sort before
 * text, and text is sorted by Traditional Chinese locale.
 *
 * @param {string|number} a - First value to compare.
 * @param {string|number} b - Second value to compare.
 * @returns {number} Negative if a < b, positive if a > b, zero if equal.
 */
export function sortNumEngZhtwForFilter(a, b) {
  const isANumber = !isNaN(parseFloat(a)) && isFinite(a);
  const isBNumber = !isNaN(parseFloat(b)) && isFinite(b);

  if (isANumber && isBNumber) return parseFloat(a) - parseFloat(b);

  if (isANumber) return -1;
  if (isBNumber) return 1;

  return a.localeCompare(b, "zh-Hant-TW", { sensitivity: "accent" });
}