import { ValidationError } from "../ValidationError.js";
import { Mechanism } from "./Mechanism.js";

export class DomainMechanism extends Mechanism {
	separator = ":";

	constructor(key) {
		super(key);
	}

	validate(value) {
		// https://www.rfc-editor.org/rfc/rfc7208#section-7.1
		const valid = value
			.split(".")
			.every(segment => segment.match(/^([^%]|%_|%%|%-|%\{[slodiphcrtv]\d*r?[-.+,\/_=]*})+$/));

		if (!valid) throw new ValidationError(`Value for "${this.key}" is not a valid domain name`);

		return true;
	}
}