Pick a Number Command

commands/games-mp/pick-a-number.js

@@ -0,0 +1,87 @@
+const Command = require('../../structures/Command');
+const { verify } = require('../../util/Util');
+const nums = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
+
+module.exports = class PickANumberCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'pick-a-number',
+			aliases: ['pick-number', 'pick-a-number-between', 'pick-a-num', 'pick-num'],
+			group: 'games-mp',
+			memberName: 'pick-a-number',
+			description: 'Two players pick a number between 1 and 10. Whoever\'s closer wins.',
+			guildOnly: true,
+			args: [
+				{
+					key: 'opponent',
+					prompt: 'What user would you like to play against?',
+					type: 'user',
+					default: () => this.client.user
+				}
+			]
+		});
+	}
+
+	async run(msg, { opponent }) {
+		if (opponent.id === msg.author.id) return msg.reply('You may not play against yourself.');
+		const current = this.client.games.get(msg.channel.id);
+		if (current) return msg.reply(`Please wait until the current game of \`${current.name}\` is finished.`);
+		this.client.games.set(msg.channel.id, { name: this.name });
+		try {
+			const clientOpp = opponent.id === this.client.user.id;
+			if (!opponent.bot) {
+				await msg.say(`${opponent}, do you accept this challenge?`);
+				const verification = await verify(msg.channel, opponent);
+				if (!verification) {
+					this.client.games.delete(msg.channel.id);
+					return msg.say('Looks like they declined...');
+				}
+			}
+			await msg.say(`${msg.author}, pick a number from 1 to 10.`);
+			const userTurn = true;
+			let player1Pick;
+			const filter = res => {
+				if (res.author.id !== (userTurn ? msg.author.id : opponent.id)) return false;
+				const num = Number.parseInt(res.content);
+				if (!userTurn && num === player1Pick) return false;
+				return num && nums.includes(num);
+			}
+			const player1 = await msg.channel.awaitMessages(filter, {
+				max: 1,
+				time: 30000
+			});
+			if (!player1.size) {
+				this.client.games.delete(msg.channel.id);
+				return msg.say('I guess you didn\'t want to play after all...');
+			}
+			player1Pick = Number.parseInt(player1.first().content);
+			let player2Pick;
+			if (opponent.bot) {
+				const valid = nums.filter(num => num !== player1Pick);
+				player2Pick = valid[Math.floor(Math.random() * valid.length)];
+				await msg.say(`Okay, ${clientOpp ? 'I' : `${opponent}`} pick${clientOpp ? 's' : ''} ${player2Pick}!`);
+			} else {
+				userTurn = false;
+				await msg.say(`${opponent}, pick a number from 1 to 10, except ${player1Pick}.`);
+				const player2 = await msg.channel.awaitMessages(filter, {
+					max: 1,
+					time: 30000
+				});
+				if (!player2.size) {
+					this.client.games.delete(msg.channel.id);
+					return msg.say('I guess you didn\'t want to play after all...');
+				}
+				player2Pick = Number.parseInt(player2.first().content);
+			}
+			const num = Math.floor(Math.random() * 10) + 1;
+			const winNum = [player1Pick, player2Pick].sort((a, b) => Math.abs(num - a) - Math.abs(num - b))[0];
+			const winner = winNum === player1Pick ? msg.author : opponent;
+			const clientWin = clientOpp && this.client.user.id === winner.id;
+			this.client.games.delete(msg.channel.id);
+			return msg.say(`The number was **${num}**! ${clientWin ? 'I' : winner} win${clientWin ? '' : 's'}!`);
+		} catch (err) {
+			this.client.games.delete(msg.channel.id);
+			throw err;
+		}
+	}
+};