mafalda-api/services/queues/RandomFreeQueue.js

const Queue = require('../Queue.js');

const crypto = require('crypto-js');
const cryptoSHA256= crypto.SHA256;

class RandomFreeQueue extends Queue {
	constructor(){
		super("RandomFreeQueue");
	}

	joinGame(playerOne, playerTwo, channel){
	    let playerOneCards = this.createRandomCards();
	    let playerTwoCards = this.createRandomCards();
	    let setup = this.createSetupArray(playerOne, playerTwo, playerOneCards, playerTwoCards);
	    let playerOneState = { cards: playerOneCards, channel };
        let playerTwoState = { cards: playerTwoCards, channel };
        return { playerOneState, playerTwoState, setup};
    }
    createSetupArray(playerOne, playerTwo, playerOneCards, playerTwoCards){
        let id = [
        	playerOne,
            playerTwo
        ];
	    let cards = [
	        playerOneCards.hashedCardsArray,
            playerTwoCards.hashedCardsArray
        ];

	    let setup = {id, cards};
	    return setup;
	}


    createRandomCards(){
		let playerCardsArray = [];
		let saltArray = [];
		let hashedCardsArray= [];
		for (let i =0; i<5; i++){
		    let playerCard = Math.floor((Math.random()*100 ) % 100 );
			let salt = crypto.lib.WordArray.random(128 / 8).toString();
            let hashedCard = cryptoSHA256(playerCard.toString() + salt);
		    playerCardsArray.push(playerCard);
			saltArray.push(salt);
            hashedCardsArray.push(hashedCard.toString());
		}
    	return {playerCardsArray, saltArray, hashedCardsArray};
    }
}

module.exports = RandomFreeQueue;