import dictionnary from "../dataset/slug.json"
import { randomInt } from "."

export interface SlugOptions {
	min?: number
	max?: number
	exactly?: number
}

export default function slug(opts?: SlugOptions): string {
	function exec(): string {
		const w = randomWord(dictionnary)
		if (!opts) return w

		if (
			(opts.exactly && w.length != opts.exactly) ||
			(opts.min && w.length < opts.min) ||
			(opts.max && w.length > opts.max)
		)
			return exec()

		return w
	}
	return exec()
}

function randomWord(dictionnary: ReadonlyArray<string>): string {
	const word = dictionnary[randomInt(0, dictionnary.length - 1)]
	if (!word) throw new Error("Error while generating a slug.")
	return word
}