/**
 * 判断是否是外部链接
 * @param {string} path 路径
 * @returns {boolean}
 */
export function isExternal(path) {
  return /^(https?:|mailto:|tel:)/.test(path);
}

/**
 * 格式化时间
 * @param {Date|string|number} time 时间
 * @param {string} format 格式
 * @returns {string}
 */
export function formatDate(time, format = "YYYY-MM-DD HH:mm:ss") {
  if (!time) {
    return "";
  }

  const date = new Date(time);

  const year = date.getFullYear();
  const month = date.getMonth() + 1;
  const day = date.getDate();
  const hour = date.getHours();
  const minute = date.getMinutes();
  const second = date.getSeconds();

  const formatMap = {
    YYYY: year.toString(),
    MM: month.toString().padStart(2, "0"),
    DD: day.toString().padStart(2, "0"),
    HH: hour.toString().padStart(2, "0"),
    mm: minute.toString().padStart(2, "0"),
    ss: second.toString().padStart(2, "0"),
  };

  return format.replace(/(YYYY|MM|DD|HH|mm|ss)/g, (match) => formatMap[match]);
}

/**
 * 深拷贝
 * @param {Object} obj 要拷贝的对象
 * @returns {Object}
 */
export function deepClone(obj) {
  if (obj === null || typeof obj !== "object") {
    return obj;
  }

  const result = Array.isArray(obj) ? [] : {};

  for (const key in obj) {
    if (Object.prototype.hasOwnProperty.call(obj, key)) {
      result[key] = deepClone(obj[key]);
    }
  }

  return result;
}