index.js

const Discord = require('discord.js');
require('dotenv').config();
const client = new Discord.Client();

const token = process.env.BOT_TOKEN;

let players = [];

let extraRoles = {blue: [], red: [], grey: []};
let numRoles = 0;

let timeout = false;
let timer = 3;
let seconds = 0;
let int = null;

let ingame = false;

function shuffle(array) {
    for (let i = array.length - 1; i > 0; i--) {
        let j = Math.floor(Math.random() * (i + 1));
        [array[i], array[j]] = [array[j], array[i]];
    }
}

function printPlayers(){
    return players.map(player => ' - <@' + player.id + '>\n').join('')
}

function printRoles(){
    let roles = '';
    roles += 'Blue:\n' + extraRoles.blue.map(role => ' - ' + role + '\n').join('');
    roles += 'Red:\n' + extraRoles.red.map(role => ' - ' + role + '\n').join('');
    roles += 'Grey:\n' + extraRoles.grey.map(role => ' - ' + role + '\n').join('');
    return roles;
}

function sendRoles() {
    //send roles to players

    let characters = Array.from(players);
    shuffle(characters);

    characters.pop().send('You are the President! You are on the blue team. Don\'t get placed in the same room as the bomber!');
    characters.pop().send('You are the Bomber! You are on the red team. KILL THE PRESIDENT!');

    if(characters.length % 2 != 0) {
        characters.pop().send('You are the Gambler! At the end of the 3 rounds, try to guess which team won!');
    }

    Object.keys(extraRoles).forEach(color => {
        extraRoles[color].forEach(role => {
            characters.pop().send(`You are on the ${color} team! You have the role of ${role}.`);
        })
    })

    color = true;
    if(characters !== undefined){
        characters.forEach(character => {
            character.send(`You are on the ${color ? 'blue' : 'red'} team! You have no special role.`);
            color = !color;
        })
    }
}

client.on('ready', () => {
    console.log('Bot is online!');
})

client.on('message', (msg)=>{
    if(msg.content === '!help'){
        msg.channel.send('Hello degenerates! I am a Discord bot that can help faciliate the game of 2 Rooms and Boom. Here are a list of my commands: \n' + 
            '!join      - join the Queue for the game\n' +
            '!leave     - leave the Queue for the game\n' +
            '!queue     - check who is in the Queue\n' +
            '!refresh   - refreshes the Queue\n' +
            '!startgame - starts the game. Only works when there are 6 players!\n' +
            '!timer     - there are 3 timers. Starts the countdown for the current timer\n' +
            '!endgame   - ends the current game. Restarts the timers.' 
        );
    }

    if(msg.content === '!sendnudes'){
        msg.reply('B-..Ba-...Baa-...Baaka! Hentai! Don\'t do me dirty like that senpai!');
    }

    //commands for if the game hasn't started yet
    if(!ingame){
        if(msg.content === '!join'){
            let index = players.indexOf(msg.author);

            //comment this out to test
            if(index == -1){
                players.push(msg.author);
            }
            msg.channel.send('Players in Queue are: \n' + printPlayers());
        }

        else if(msg.content === '!leave'){
            let index = players.indexOf(msg.author);
            if(index > -1){
                players.splice(index, 1);
            }
            msg.channel.send('Players in Queue are: \n' + printPlayers());
        }

        if(msg.content === '!queue'){
            msg.channel.send('Players in Queue are: \n' + printPlayers());
        }

        if(msg.content.includes('!addrole')){
            let info = msg.content.split(" ");
            let color = info[1];
            let role = info[2];

            if (color === 'blue') {
                extraRoles.blue.push(role);
                numRoles++;
            } else if (color === 'red') {
                extraRoles.red.push(role);
                numRoles++;
            } else if (color === 'grey') {
                extraRoles.grey.push(role);
                numRoles++;
            } else if (color === 'both') {
                extraRoles.blue.push(role);
                extraRoles.red.push(role);
                numRoles += 2;
            } else {
                msg.channel.send(`Color not recognized`);
            }

            msg.channel.send('Roles in game are: \n' + printRoles());

        }

        if(msg.content === '!roles'){
            msg.channel.send('Roles in game are: \n' + printRoles());
        }

        if(msg.content === '!clearroles'){
            extraRoles = {red: [], blue: [], grey: []};
            numRoles = 0;
            msg.channel.send('Roles reset.');
        }

        if(msg.content === '!refresh'){
            players.length = 0;
            msg.channel.send('Queue reset.');
        }

        if(msg.content === '!startgame'){

            if(players.length < 6){
                msg.channel.send('Not enough players in Queue to start the game!');
            } else if (numRoles > players.length - 2) {
                msg.channel.send('More roles than player in Queue. Please remove roles or add more players!');
            } else {
                msg.channel.send('Starting the game!');
                msg.channel.send('Prepare to play, and check your DMs for your roles! The people playing are: \n' + printPlayers());
    
                timer = 3;
                ingame = true;

                sendRoles();
            }

        }
    }

    else {
        if(msg.content === '!timer'){
            if(timeout) {
                msg.channel.send('A timer is in session: ' + seconds+'s left on the timer.');
            }
            else {
                if(timer > 0){
                    timeout = true;

                    seconds = timer * 60;

                    msg.channel.send('Starting a timer for ' + timer + ' minutes.')

                    int = setInterval(function() {
                        seconds = seconds - 1;

                        console.log('Time left: '+seconds+'s');

                        if(seconds == 60){
                            msg.channel.send('1 minute remaining');
                        }
                        if(seconds == 30){
                            msg.channel.send('30 seconds remaining');
                        }
                        if(seconds == 10){
                            msg.channel.send('10 seconds remaining');
                        }
                        if(seconds == 0){
                            msg.channel.send('TIME IS UP!');
                            timeout = false;
                            clearInterval(int);
                            int = null;
                        }
                    }, 1000);
                    
                                        
                    timer = timer - 1;
                }
            }
        }

        if(msg.content === '!endgame'){
            msg.channel.send('Ending the game. Timers and roles restarted.');
            if(int != null){
                clearInterval(int);
            }
            timeout = false;
            timer = 3;
            ingame = false;
        }
    }

}) 

client.login(token)