import { v4 } from 'uuid';

interface SlugOptions {
  year: boolean;
  month: boolean;
  day: boolean;
  hour: boolean;
  minute: boolean;
  second: boolean;
  random: boolean;
  separator: string;
}

const defaultSlugOptions: SlugOptions = {
  year: true,
  month: true,
  day: true,
  hour: true,
  minute: true,
  second: false,
  random: false,
  separator: '',
};

export const generateUniqueSlug = (
  options: Partial<SlugOptions> = {},
): string => {
  const { year, month, day, hour, minute, second, random, separator } = {
    ...defaultSlugOptions,
    ...options,
  };

  const date = new Date();
  const parts = [
    year ? date.getFullYear() : '',
    month ? String(date.getMonth() + 1).padStart(2, '0') : '',
    day ? String(date.getDate()).padStart(2, '0') : '',
    hour ? String(date.getHours()).padStart(2, '0') : '',
    minute ? String(date.getMinutes()).padStart(2, '0') : '',
    second ? String(date.getSeconds()).padStart(2, '0') : '',
    random ? '-' + v4() : '',
  ].filter(Boolean);

  return parts.join(separator);
};