"use strict";

const fromEntries = require("fromentries");
const syncpipe = require("syncpipe");

const wrapError = require("@validatem/wrap-error");
const forbidden = require("@validatem/forbidden");
const allowExtraProperties = require("@validatem/allow-extra-properties");

const reservedProperties = require("../../reserved-properties");

let forbidSpecialProperty = wrapError("Reserved property name cannot be used", forbidden);

module.exports = syncpipe(reservedProperties, [
	(_) => _.filter((property) => property !== "constructor"),
	(_) => _.map((property) => {
		// NOTE: It is very important that `forbidSpecialProperty` below is wrapped in an array. Otherwise, for the `__proto__` property, it will actually treat the entire rules object as a validatem-special object due to its __proto__ being set directly to an object with the validatem-special marker... We're hacking around this by wrapping it in an array instead, which will not register as such. It's really a hack, though.
		return [ property, [ forbidSpecialProperty ] ];
	}),
	(_) => fromEntries(_),
	(_) => allowExtraProperties(_)
]);