roulette-game-no-api.js

var exports = module.exports = {};
var easytime = require('../util/easytime.js');
var Chance = require('chance');
var chance = new Chance();

exports.gameStates = {
    acceptingBets: 0,
    waitingToRoll: 1,
    rolling: 2
}

exports.gameColors = {
    red: 0,
    black: 1,
    green: 2
}

exports.invGameColors = ["red", "black", "green"];

exports.gameInstance = {
    forcedWinner: false, // Debug, remove this in a final game!
    gameState: exports.gameStates["acceptingBets"],
    timeStarted: Date.now(),
    timeUntilNext: easytime.sec(30),
    lastPoll: Date.now(),
    timeBetweenPolls: easytime.sec(1),
    currentBets: [],
    winner: undefined,
    updateGameTask: function () {
        if (exports.gameInstance.gameState === exports.gameStates["acceptingBets"]) {
            exports.gameInstance.timeUntilNext -= easytime.sec(1);
            if (exports.gameInstance.timeUntilNext <= 0) {
                exports.gameInstance.gameState = exports.gameStates["waitingToRoll"];
                exports.gameInstance.timeUntilNext = easytime.sec(3);
            }
            return exports.gameInstance.scheduleUpdateTask();
        }

        if (exports.gameInstance.gameState === exports.gameStates["waitingToRoll"]) {
            exports.gameInstance.timeUntilNext -= easytime.sec(1);
            if (exports.gameInstance.timeUntilNext <= 0) {
                exports.gameInstance.gameState = exports.gameStates["rolling"];
                exports.gameInstance.winner = exports.gameInstance.pickWinner(),
                    exports.gameInstance.timeUntilNext = easytime.sec(15);
            }
            return exports.gameInstance.scheduleUpdateTask();
        }

        if (exports.gameInstance.gameState === exports.gameStates["rolling"]) {
            exports.gameInstance.timeUntilNext -= easytime.sec(1);
            if (exports.gameInstance.timeUntilNext <= 0) {
                exports.gameInstance.timeUntilNext = easytime.sec(30);
                exports.gameInstance.timeStarted = Date.now();
                exports.gameInstance.currentBets = [];
                exports.gameInstance.winner = undefined;
                exports.gameInstance.gameState = exports.gameStates["acceptingBets"];
            }
            return exports.gameInstance.scheduleUpdateTask();
        }
    },
    scheduleUpdateTask: function () {
        exports.gameInstance.lastPoll = Date.now();
        return setTimeout(exports.gameInstance.updateGameTask, exports.gameInstance.timeBetweenPolls);
    },
    pickWinner: function () {
        // Debug, remove this in a final game!
        if (exports.gameInstance.forcedWinner)
            return exports.gameInstance.forcedWinner;
            
        return Math.floor(chance.random() * (4));
    }
};

exports.gameInstance.scheduleUpdateTask();

exports.api = function (request, callback) {
    if (request.getCurrentGame) {
        var prepared = {
            gameState: exports.gameInstance.gameState,
            timeStarted: exports.gameInstance.timeStarted,
            timeUntilNext: exports.gameInstance.timeUntilNext,
            lastPoll: exports.gameInstance.lastPoll,
            nextPoll: exports.gameInstance.lastPoll + exports.gameInstance.timeBetweenPolls,
            timeBetweenPolls: exports.gameInstance.timeBetweenPolls,
            currentBets: [],
        }
        return callback({ success: true, currentGame: prepared });
    }
    callback({ success: false });
}