var Game = require("../js/game.js");

var queues = {
	runners: [],
	gods: []
}

var games = [];

function cleanQueue(queue) {
	queue.forEach(function(elem, i) {
		if (elem.stale)
			queue.splice(i, 1);
	});
}

function tryStartGame() {
	cleanQueue(queues.runners);
	cleanQueue(queues.gods);

	if (queues.runners.length === 0 || queues.gods.length === 0)
		return;

	var players = [queues.runners.shift(), queues.gods.shift()];

	var game = new Game(players);
	players.forEach(function(p) {
		p.data.game = game;
	});
	games.push(game);
}

module.exports = function(args, req, sock) {
	if (args[1] === "start") {
		sock.data = {
			req: req,
			type: args[2],
			game: null,
			stale: false
		}

		if (req.data.type === "runner") {
			queues.runners.push(sock);
		} else if (req.data.type === "god") {
			queues.gods.push(sock);
		} else {
			return req.fail();
		}

		sock.on("close", function() {
			sock.data.stale = true;
		});

		tryStartGame();

		return;
	} else {
		if (!sock.data.game)
			return req.error("Not in a game.");

		sock.data.game.message(args, req, sock);
	}
}