/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
      time = parseInt(time)
    }
    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
    const value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
    return value.toString().padStart(2, '0')
  })
  return time_str
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = url.split('?')[1]
  if (!search) {
    return {}
  }
  return JSON.parse(
    '{"' +
    decodeURIComponent(search)
      .replace(/"/g, '\\"')
      .replace(/&/g, '","')
      .replace(/=/g, '":"')
      .replace(/\+/g, ' ') +
    '"}'
  )
}

export function deepClone(source, map = new WeakMap()) {
  // 处理基本类型和函数（直接返回）
  if (typeof source !== 'object' || source === null) {
    return source;
  }

  // 处理循环引用
  if (map.has(source)) {
    return map.get(source);
  }

  // 创建新容器
  const target = Array.isArray(source) ? [] : {};
  map.set(source, target);  // 记录克隆关系

  // 克隆普通键值
  for (const key in source) {
    if (Object.prototype.hasOwnProperty.call(source, key)) {
      target[key] = deepClone(source[key], map);
    }
  }

  // 克隆Symbol键值（ES6+）
  const symbolKeys = Object.getOwnPropertySymbols(source);
  for (const symKey of symbolKeys) {
    if (source.propertyIsEnumerable(symKey)) {
      target[symKey] = deepClone(source[symKey], map);
    }
  }

  return target;
}