"use strict";

const normalizeRules = require("@validatem/normalize-rules");
const matchValidationError = require("@validatem/match-validation-error");
const validationResult = require("@validatem/validation-result");

const composeRules = require("./compose-rules");

module.exports = function applyValidators(value, rules, context = {}) {
	let normalizedRules = normalizeRules(rules, { normalizeObjects: true });
	let validator = composeRules.compose(normalizedRules);

	// FIXME: Document this option!
	let finalContext = (process.env.VALIDATEM_NO_HEURISTICS === "1")
		? { ...context, __validatemNoHeuristics: true }
		: context;

	let { errors, newValue } = validator(value, finalContext);

	// NOTE: We mutate the error here, because Error objects are not safely cloneable
	for (let error of errors) {
		if (matchValidationError(error) && error.value == null) {
			error.value = value;
		}
	}

	return validationResult({
		errors: errors,
		newValue: (newValue !== undefined)
			? newValue
			: value
	});
};