import { customAlphabet } from 'nanoid';
import { createId } from '@paralleldrive/cuid2';

export const letter = 'abcdefghijklmnopqrstuvwxyz';
export const number = '0123456789';
const alphanumeric = `${letter}${number}`;
export const alphanumericWithDash = `${alphanumeric}-`;

export const cuid2 = createId;
/**
 * 创建一个随机的字母字符串
 */
export const uuid = customAlphabet(letter);

/** 
 * 创建一个随机的 id，包含字母和数字
 */
export const nanoid = customAlphabet(alphanumeric, 16);

/**
 * 创建一个随机的 id，包含字母、数字和短横线
 */
export const nanoidWithDash = customAlphabet(alphanumericWithDash, 16);

/**
 * 创建一个随机的 id，以字母开头的字符串
 * @param number
 * @returns
 */
export const randomId = (number: number) => {
  const _letter = uuid(1);
  return `${_letter}${nanoid(number)}`;
};

/**
 * 创建一个随机的字母字符串
 * @param number 
 * @param opts 
 * @returns 
 */
export const randomLetter = (number: number = 8, opts?: { before?: string; after?: string }) => {
  const { before = '', after = '' } = opts || {};
  return `${before}${uuid(number)}${after}`;
};