"use strict";

require("./main.js");

var Single = module.exports;
var Servers = require("./servers.js");
var Greenlock = require("@root/greenlock");

Single.create = function(opts) {
	var greenlock = Greenlock.create(opts);
	greenlock.getAcmeHttp01ChallengeResponse = function(opts) {
		return greenlock.find({ servername: opts.servername }).then(function(sites) {
			if (!sites.length) {
				return null;
			}
			var site = sites[0];
			if (!site.challenges || !site.challenges["http-01"]) {
				return null;
			}

			var plugin;
			try {
				plugin = require(site.challenges["http-01"].module);
				plugin = plugin.create(site.challenges["http-01"]);
			} catch (e) {
				console.error("error getting acme http-01 plugin");
				console.error(e);
				return null;
			}

			return plugin.get(opts).then(function(result) {
				// TODO is this the right way?
				var ch = (result && result.challenge) || result || {};
				return {
					keyAuthorization: ch.keyAuthorization
				};
			});
		});
	};

	var servers = Servers.create(greenlock, opts);

	var single = {
		worker: function(fn) {
			fn(servers);
			return single;
		},
		master: function(/*fn*/) {
			// ignore
			//fn(master);
			return single;
		}
	};
	return single;
};