xiao/commands/games/hangman.js

const Command = require('../../structures/Command');
const snekfetch = require('snekfetch');
const { stripIndents } = require('common-tags');
const { WORDNIK_KEY } = process.env;

module.exports = class HangmanCommand extends Command {
    constructor(client) {
        super(client, {
            name: 'hangman',
            group: 'games',
            memberName: 'hangman',
            description: 'Play a game of hangman.',
            guildOnly: true
        });

        this.playing = new Set();
    }

    async run(msg) {
        if (this.playing.has(msg.guild.id)) return msg.say('Only one game may be occurring per server.');
        this.playing.add(msg.guild.id);
        try {
            const { body } = await snekfetch
                .get('http://api.wordnik.com:80/v4/words.json/randomWord')
                .query({
                    hasDictionaryDef: true,
                    minCorpusCount: 0,
                    maxCorpusCount: -1,
                    minDictionaryCount: 1,
                    maxDictionaryCount: -1,
                    minLength: -1,
                    maxLength: -1,
                    api_key: WORDNIK_KEY
                });
            const word = body.word.toLowerCase().replace(/[ ]/g, '-');
            let points = 0;
            const confirmation = [];
            const incorrect = [];
            const display = '_'.repeat(word.length).split('');
            while (word.length !== confirmation.length && points < 7) {
                await msg.code(null, stripIndents`
                    ___________
                    |     |
                    |     ${points > 0 ? 'O' : ''}
                    |    ${points > 2 ? '—' : ' '}${points > 1 ? '|' : ''}${points > 3 ? '—' : ''}
                    |    ${points > 4 ? '/' : ''} ${points > 5 ? '\\' : ''}
                    ===========
                    The word is: ${display.join(' ')}. Which letter do you choose?
                `);
                const guess = await msg.channel.awaitMessages((res) => res.author.id === msg.author.id, {
                    max: 1,
                    time: 30000
                });
                if (!guess.size) {
                    await msg.say('Time!');
                    break;
                }
                const choice = guess.first().content.toLowerCase();
                if (confirmation.includes(choice) || incorrect.includes(choice)) {
                    await msg.say('You have already picked that letter!');
                } else if (word.includes(choice)) {
                    await msg.say('Nice job!');
                    for (let i = 0; i < word.length; i++) {
                        if (word[i] === choice) {
                            confirmation.push(word[i]);
                            display[i] = word[i];
                        }
                    }
                } else {
                    await msg.say('Nope!');
                    incorrect.push(choice);
                    points++;
                }
            }
            this.playing.delete(msg.guild.id);
            if (word.length === confirmation.length) return msg.say(`You won, it was ${word}!`);
            else return msg.say(`Too bad... It was ${word}...`);
        } catch (err) {
            this.playing.delete(msg.guild.id);
            return msg.say(`Oh no, an Error occurred! Try again later! \`${err.name}: ${err.message}\``);
        }
    }
};