botwars - JavaScript client

package.json

{
  "name": "botarena-bot-js",
  "version": "1.0.0",
  "description": "",
  "main": "app.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "Rui Gonçalves",
  "dependencies": {
    "request": "^2.64.0",
    "ws": "^0.8.0"
  }
}

play.js

var request = require("request");

var WebSocket = require('ws');

module.exports = function(host, gameHref, player, getMove) {
  var playerName = 'Player ' + player;

  var gamesUri = 'http://' + host + '/api/' + gameHref + '/games';

  var registerUri = function(gameId) {
    return 'http://' + host + '/api/' + gameHref + '/games/' + gameId + '/register?player=' + player;
  };

  var streamUri = function(gameId, playerToken) {
    return 'ws://' + host + '/api/' + gameHref + '/games/' + gameId + '/stream?playerToken=' + playerToken;
  };

  function enterGame(gameId, next) {
    request.post(registerUri(gameId), function(err, res, body) {
      if(err) { console.log('Could not register in the game'); return; }

      var playerToken = JSON.parse(body).playerToken;
      var ws = new WebSocket(streamUri(gameId, playerToken));

      ws.on('open', function() {
        console.log('[' + playerName + '] Connected to game ' + gameId + ' (with token ' + playerToken + ')');
      });

      ws.on('message', function(data) {
        var evt = JSON.parse(data);

        switch(evt.eventType) {
          case 'requestMove':
            ws.send(JSON.stringify(getMove(evt.state)));
            break;
          default:
            // 'move' and 'state' events can be handled here
            break;
        }
      });

      ws.on('close', function() {
        console.log('[' + playerName + '] Finished');
        next();
      });
    });
  }

  function findGame() {
    request.get(gamesUri, function(err, res, body) {
      if(err) { console.log('Could not retrieve the list of current games'); return; }

      var games = JSON.parse(body);
      for(var i = 0; i < games.length; i++) {
        if(games[i].status == 'not_started') {
          enterGame(games[i].gameId, findGame);
          return;
        }
      }
      setTimeout(findGame, 2000);
    });
  }

  findGame();
};

sueca.js

var play = require("./play");

var host = 'localhost:3000';
var gameType = 'sueca';

function randElem(arr) {
  return arr[Math.floor(Math.random() * arr.length)];
}

var getDumbMove = function(state) {
  var trickSuitCards = state.hand.filter(function(c) { return c.suit == state.trickSuit; });
  if(trickSuitCards.length > 0) {
    return randElem(trickSuitCards);
  }
  return randElem(state.hand);
};

play(host, gameType, 1, getDumbMove);
play(host, gameType, 2, getDumbMove);
play(host, gameType, 3, getDumbMove);
play(host, gameType, 4, getDumbMove);