/**
 * 是 Object 或 Array
 * @param {*} value 任意值
 * @returns {boolean}
 */
export function isObject(value: any): boolean {
  return value && (typeof value === "object");
}

/**
 * 是 number
 * @param {*} num 任意值
 * @returns {boolean}
 */
export function isNumber(num: any) {
  return typeof num === "number" && !isNaN(num)
}

export function compareVersion(version1, version2) {
  const arr1 = version1.split('.')
  const arr2 = version2.split('.')
  const length1 = arr1.length
  const length2 = arr2.length
  const minlength = Math.min(length1, length2)
  let i = 0
  for (i; i < minlength; i++) {
    let a = parseInt(arr1[i])
    let b = parseInt(arr2[i])
    if (a > b) {
      return 1
    } else if (a < b) {
      return -1
    }
  }
  if (length1 > length2) {
    for (let j = i; j < length1; j++) {
      if (parseInt(arr1[j]) != 0) {
        return 1
      }
    }
    return 0
  } else if (length1 < length2) {
    for (let j = i; j < length2; j++) {
      if (parseInt(arr2[j]) != 0) {
        return -1
      }
    }
    return 0
  }
  return 0
}

export function uuid(len=5, radix=8) {
  const chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('');
  const uuid = [];
  radix = radix || chars.length;

  if (len) {
    // Compact form
    for (let i = 0; i < len; i++) uuid[i] = chars[0 | Math.random() * radix];
  } else {
    // rfc4122, version 4 form
    let r;

    // rfc4122 requires these characters
    uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
    uuid[14] = '4';

    // Fill in random data.  At i==19 set the high bits of clock sequence as
    // per rfc4122, sec. 4.1.5
    for (let i = 0; i < 36; i++) {
      if (!uuid[i]) {
        r = 0 | Math.random() * 16;
        uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
      }
    }
  }

  return uuid.join('');
}