feat(*): Add working add and leave queue commands

index.js

@@ -1,9 +1,107 @@
-const Discord = require("discord.js");
-const config = require("./config.json");
-
+const Discord = require('discord.js');
+const config = require('./config.json');
 const client = new Discord.Client();
 
+const queueTitle = '===== QUEUE =====';
+
+let playerQueue = [];
+
 client.login(config.token);
 client.once('ready', () =>{
 	console.log('denBot logged in successfully!');
 })
+
+/*
+  * Commands:
+  * q   - Join the queue
+  * lq  - Leave the queue
+*/
+
+function generateRandomCode() {
+  const num1 = Math.floor((Math.random() * 9999) + 1);
+  const num2 = Math.floor((Math.random() * 9999) + 1);
+
+  return `${num1}-${num2}`;
+}
+
+function checkQueue(message) {
+  if (playerQueue.length === config.maxqueuesize) {
+    // Queue is full
+    console.log('Queue is full');
+
+    // Post a message to say the queue is complete
+    message.channel.send(`The adventure is beginning - players should check their DMs\n${playerQueue.map((player, index) => `${index + 1} - ${player.username}`).join('\n')}`);
+
+    try {
+      // DM users
+      const randomCode = generateRandomCode();
+      playerQueue.forEach(player => {
+        client.users.cache.get(player.id).send(`Here is your link code ${randomCode} - @${playerQueue[0].username} is making the lobby, have fun!`);
+      });
+    } catch (error) {
+      console.log(error);
+      message.channel.send(`There was an error, please let an admin know!\n${error}`);
+    }
+
+    // Clear the queue
+    playerQueue = [];
+  }
+  else if (playerQueue.length === 0) {
+    message.channel.send('The queue is empty :(');
+  }
+  else {
+    // Show queue after adding
+    message.channel.send(`${queueTitle}\n${playerQueue.map((player, index) => `${index + 1} - ${player.username}`).join('\n')}`);
+  }
+}
+
+client.on('message', function (message) {
+  // Ignore messages from the bot and that don't begin with the prefix
+  if (message.author.bot) return;
+  if (!message.content.startsWith(config.prefix)) return;
+
+  const commandBody = message.content.slice(config.prefix.length);
+  const args = commandBody.split(' ');
+  const command = args.shift().toLowerCase();
+
+  // Add to queue
+  if (command === 'q' && !(playerQueue.includes(message.author))) {
+    // Delete the message with the bot command
+		message.delete();
+
+		console.log(`${message.author.username} joined the queue.`);
+		message.channel.send(`${message.author.username} joined the queue.`);
+
+		playerQueue.push(message.author);
+
+    checkQueue(message);
+	}
+	else if (command === 'q' && (playerQueue.includes(message.author))) {
+		// Delete the message with the bot command
+		message.delete();
+		message.channel.send(`${message.author.username} is too keen, you're already in the queue mate!`);
+  }
+
+  // Remove from queue
+	if(command === 'lq' && (playerQueue.includes(message.author))){
+		// Delete the message with the bot command
+		message.delete();
+
+		console.log(`${message.author.username} left the queue.`);
+		message.channel.send(`${message.author.username} left the queue.`);
+
+		for( var i = 0; i < playerQueue.length; i++){
+			if ( playerQueue[i] === message.author) {
+				playerQueue.splice(i, 1);
+				i--;
+			}
+		}
+
+		checkQueue(message);
+	}
+	else if (command === 'lq' && !(playerQueue.includes(message.author))) {
+		// Delete the message with the bot command
+		message.delete();
+		message.channel.send(`${message.author.username} you can't leave the queue before you've joined it!`);
+  }
+});