Updates

commands/games/math.js

@@ -0,0 +1,59 @@
+const { Command } = require('discord.js-commando');
+const { stripIndents } = require('common-tags');
+const { list } = require('../../util/Util');
+const difficulties = ['easy', 'medium', 'hard', 'extreme', 'impossible'];
+const operations = ['+', '-', '*'];
+const maxValues = {
+	easy: 10,
+	medium: 100,
+	hard: 500,
+	extreme: 1000,
+	impossible: 1000000
+};
+
+module.exports = class MathGameCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'math-game',
+			aliases: ['math-quiz', 'math-test'],
+			group: 'games',
+			memberName: 'math',
+			description: 'See how fast you can answer a math problem in a given time limit.',
+			args: [
+				{
+					key: 'difficulty',
+					prompt: `What should the difficulty of the game be? Either ${list(difficulties, 'or')}.`,
+					type: 'string',
+					validate: difficulty => {
+						if (difficulties.includes(difficulty.toLowerCase())) return true;
+						return `Invalid difficulty, please enter either ${list(difficulties, 'or')}.`;
+					},
+					parse: difficulty => difficulty.toLowerCase()
+				}
+			]
+		});
+	}
+
+	async run(msg, { difficulty }) {
+		const value1 = Math.floor(Math.random() * maxValues[difficulty]) + 1;
+		const value2 = Math.floor(Math.random() * maxValues[difficulty]) + 1;
+		const operation = operations[Math.floor(Math.random() * operations.length)];
+		let answer;
+		switch (operation) {
+			case '+': answer = value1 + value2; break;
+			case '-': answer = value1 - value2; break;
+			case '*': answer = value1 * value2; break;
+		}
+		await msg.say(stripIndents`
+			**You have 10 seconds to answer this question.**
+			${value1} ${operation} ${value2}
+		`);
+		const msgs = await msg.channel.awaitMessages(res => res.author.id === msg.author.id, {
+			max: 1,
+			time: 10000
+		});
+		if (!msgs.size) return msg.say(`Sorry, time is up! It was ${answer}.`);
+		if (msgs.first().content !== answer.toString()) return msg.say(`Nope, sorry, it's ${answer}.`);
+		return msg.say('Nice job! 10/10! You deserve some cake!');
+	}
+};