"use strict";

const errors = require("../errors");
const getValueType = require("../util/get-value-type");

module.exports = function createStringValidatorFunction(options = {}, name = "<unknown>") {
	let hasMatchCondition = (options.matches != null);
	let matchCondition = options.matches;

	return function validateString(value) {
		if (typeof value !== "string") {
			return new errors.ValidationError(`Expected a string, got ${getValueType(value)} instead`);
			// return new errors.ValidationError(`Specified value for property '${name}' is not a string`, {
			// 	value: value,
			// 	property: name
			// });
		} else if (hasMatchCondition && !matchCondition.test(value)) {
			/* TODO: Improve regex display */
			return new errors.ValidationError(`Value for property '${name}' failed \`matches\` condition`, {
				value: value,
				property: name,
				condition: matchCondition
			});
		} else {
			return true;
		}
	};
};