import { ConstantField } from "../fields/ConstantField.js";
import { DomainField } from "../fields/DomainField.js";
import { DnsTool } from "./DnsTool.js";

export class SpfTool extends DnsTool {
	static allowWhitespaceAroundSeparator = false;

	static fields = [
		new ConstantField("v", "spf1")
			.required()
			.pos(0),

		new DomainField("include", ":")
			.multiple()
			.pos(1),

		new DomainField("a", ":")
			.multiple()
			.pos(1),

		new DomainField("mx", ":")
			.multiple()
			.pos(2),

		new DomainField("ptr", ":")
			.multiple()
			.pos(2),

		new DomainField("ipv4", ":")
			.multiple()
			.pos(2),

		new DomainField("ipv6", ":")
			.multiple()
			.pos(2),

		new DomainField("exists", ":")
			.multiple()
			.pos(2),

		new DomainField("redirect", "=")
			.pos(3),

		new DomainField("exp", "=")
			.pos(3),

		// TODO all
	];

	constructor(text) {
		super(text);
	}

	tokenize() {
		return this.text.split(/\s+/);
	}
}