'use strict';

//var request;

var defaults = {};

module.exports.create = function(config) {
	var memdb = config.cache || {};

	return {
		init: function(opts) {
			//request = opts.request;
			return null;
		},

		set: function(data) {
			// console.log('Add Key Auth URL', data);

			var ch = data.challenge;
			var key = ch.identifier.value + '#' + ch.token;
			memdb[key] = ch.keyAuthorization;

			return null;
		},

		get: function(data) {
			// console.log('List Key Auth URL', data);

			var ch = data.challenge;
			var key = ch.identifier.value + '#' + ch.token;

      if (memdb[key]) {
        return { keyAuthorization: memdb[key] };
      }

			return null;
		},

		remove: function(data) {
			// console.log('Remove Key Auth URL', data);

			var ch = data.challenge;
			var key = ch.identifier.value + '#' + ch.token;

			delete memdb[key];
			return null;
		}
	};
};