"use strict";

const { validateValue } = require("@validatem/core");
const ValidationError = require("@validatem/error");
const isString = require("@validatem/is-string");
const required = require("@validatem/required");
const dynamic = require("./");

let formRules = dynamic((formData) => {
	return {
		username: [ required, isString ],
		password: [ required, isString ],
		// NOTE: Below, we are generating a rule that references the *actual* form data that was passed into `validateValue`.
		passwordAgain: [ required, (value) => {
			// We specify a custom validation function here, but we could have also called eg. @validatem/one-of with some of the values from the input data.
			if (value !== formData.password) {
				throw new ValidationError(`Passwords must match`);
			}
		} ]
	};
});

let formA = {
	username: "foo",
	password: "bar",
	passwordAgain: "bar"
};

console.log(validateValue(formA, [ formRules ])); // { username: 'foo', password: 'bar', passwordAgain: 'bar' }

let formB = {
	username: "foo",
	password: "bar",
	passwordAgain: "not bar"
};

console.log(validateValue(formB, [ formRules ])); /*
	AggregrateValidationError: One or more validation errors occurred:
	 - At passwordAgain: Passwords must match
*/