xiao/commands/games-mp/bingo.js

const Command = require('../../framework/Command');
const { Collection } = require('@discordjs/collection');
const { stripIndents } = require('common-tags');
const { awaitPlayers, reactIfAble } = require('../../util/Util');
const nums = require('../../assets/json/bingo');
const { SUCCESS_EMOJI_ID } = process.env;
const rows = Object.keys(nums);
const callNums = Array.from({ length: 75 }, (v, i) => i + 1);

module.exports = class BingoCommand extends Command {
	constructor(client) {
		super(client, {
			name: 'bingo',
			group: 'games-mp',
			description: 'Play bingo with up to 99 other users.',
			guildOnly: true,
			game: true,
			args: [
				{
					key: 'playersCount',
					type: 'integer',
					min: 1,
					max: 100
				}
			]
		});
	}

	async run(msg, { playersCount }) {
		const awaitedPlayers = await awaitPlayers(msg, playersCount, 1, this.client.blacklist.user);
		if (!awaitedPlayers) return msg.say('Game could not be started...');
		const players = new Collection();
		for (const player of awaitedPlayers) {
			players.set(player, {
				board: this.generateBoard(),
				id: player,
				user: await this.client.users.fetch(player)
			});
		}
		let winner = null;
		const called = ['FR'];
		while (!winner) {
			const validNums = callNums.filter(num => !called.includes(num));
			if (!validNums.length) break;
			const picked = validNums[Math.floor(Math.random() * validNums.length)];
			called.push(picked);
			for (const player of players.values()) {
				try {
					await player.user.send(stripIndents`
						**${this.findRowValue(picked)} ${picked}** was called in ${msg.channel}.
						${this.generateBoardDisplay(player.board, called)}
					`);
				} catch {
					await msg.say(`${player.user}, I couldn't send your board! Turn on DMs!`);
				}
			}
			await msg.say(stripIndents`
				**${this.findRowValue(picked)} ${picked}**!

				Check your DMs for your board. If you have bingo, type \`bingo\`!
				If you wish to drop out, type \`leave game\`.
				_Next number will be called in 20 seconds. ${validNums.length - 1} numbers left._
			`);
			const filter = res => {
				if (!players.has(res.author.id)) return false;
				if (res.content.toLowerCase() === 'leave game') {
					players.delete(res.author.id);
					reactIfAble(res, res.author, SUCCESS_EMOJI_ID, '✅');
					if (!players.size) return true;
					return false;
				}
				if (res.content.toLowerCase() !== 'bingo') return false;
				if (!this.checkBingo(players.get(res.author.id).board, called)) {
					msg.say(`${res.author}, you don't have bingo, liar.`).catch(() => null);
					return false;
				}
				return true;
			};
			const bingo = await msg.channel.awaitMessages({ filter, max: 1, time: 20000 });
			if (!players.size) {
				winner = 0;
				break;
			}
			if (!bingo.size) continue;
			winner = bingo.first().author;
		}
		if (winner === 0) return msg.say('Everyone dropped out...');
		if (!winner) return msg.say('I called the entire board, but no one said bingo...');
		return msg.say(`Congrats, ${winner}!`);
	}

	generateBoard() {
		const result = [];
		for (const [rowID, values] of Object.entries(nums)) {
			const picked = [];
			for (let i = 0; i < 5; i++) {
				const valid = values.filter(value => !picked.includes(value));
				picked.push(valid[Math.floor(Math.random() * valid.length)]);
			}
			const sorted = picked.sort((a, b) => a - b);
			if (rowID === 'N') sorted[2] = 'FR';
			result.push(sorted);
		}
		return result;
	}

	generateBoardDisplay(board, called) {
		const mapped = board.map((values, i) => {
			const row = rows[i];
			const mapVal = values.map(value => {
				if (called.includes(value) || value === 'FR') return 'XX';
				return value.toString().padStart(2, '0');
			}).join(' | ');
			return `${row} | ${mapVal}`;
		}).join('\n--------------------------\n');
		return stripIndents`
			\`\`\`
			${mapped}
			\`\`\`
		`;
	}

	findRowValue(num) {
		if (nums.B.includes(num)) return 'B';
		if (nums.I.includes(num)) return 'I';
		if (nums.N.includes(num)) return 'N';
		if (nums.G.includes(num)) return 'G';
		if (nums.O.includes(num)) return 'O';
		return null;
	}

	checkLine(called, a, b, c, d, e) {
		return called.includes(a)
			&& called.includes(b)
			&& called.includes(c)
			&& called.includes(d)
			&& called.includes(e);
	}

	checkBingo(bd, ca) {
		for (let r = 0; r < rows.length; r++) {
			if (this.checkLine(ca, bd[r][0], bd[r][1], bd[r][2], bd[r][3], bd[r][4])) return true;
		}
		for (let c = 0; c < rows.length; c++) {
			if (this.checkLine(ca, bd[0][c], bd[1][c], bd[2][c], bd[3][c], bd[4][c])) return true;
		}
		if (this.checkLine(ca, bd[0][0], bd[1][1], bd[2][2], bd[3][3], bd[4][4])) return true;
		if (this.checkLine(ca, bd[4][0], bd[3][1], bd[2][2], bd[1][3], bd[0][4])) return true;
		return false;
	}
};