index.js

const { MessageEmbed } = require("discord.js");

const defEmojiList = [
	"\u0031\u20E3",
	"\u0032\u20E3",
	"\u0033\u20E3",
	"\u0034\u20E3",
	"\u0035\u20E3",
	"\u0036\u20E3",
	"\u0037\u20E3",
	"\u0038\u20E3",
	"\u0039\u20E3",
	"\uD83D\uDD1F",
];

const voteEmbed = async (
	message,
	title,
	options,
	timeout = 30,
	lang = "es",
	emojiList = defEmojiList.slice(),
	forceEndPollEmoji = "\u2705"
) => {
	if (!lang || lang === "es") {
		if (!message && !message.channel)
			return message.reply("no puedo acceder a este canal.");
		if (!title) return message.reply("especifica el título de la encuesta.");
		if (!options) {
			options = ["Sí", "No"];
		}
		if (options.length < 2)
			return message.reply("por favor, proporciona más de dos opciones.");
		if (options.length > emojiList.length)
			return message.reply(
				`por favor, no excedas de ${emojiList.length} opciones.`
			);

		let text = `✥ Para votar, reacciona usando el emoji correspondiente.\n✥ ${timeout > 0
				? "La encuesta terminará en **" + timeout + "** segundos."
				: "La encuesta **finalizará manualmente** según el creador de la encuesta lo decida."
			}\n✥ El creador de esta encuesta puede finalizar **forzadamente** reaccionando al emoji ${forceEndPollEmoji}\n\n`;
		const emojiInfo = {};
		for (const option of options) {
			const emoji = emojiList.splice(0, 1);
			emojiInfo[emoji] = { option: option, votes: 0 };
			text += `${emoji} : \`${option}\`\n\n`;
		}
		const usedEmojis = Object.keys(emojiInfo);
		usedEmojis.push(forceEndPollEmoji);

		const poll = await message.channel.send(
			embedBuilder(title, message.author)
				.setDescription(text)
				.setColor("7c4e55")
				.setThumbnail(message.guild.iconURL())
		);
		for (const emoji of usedEmojis) await poll.react(emoji);

		const reactionCollector = poll.createReactionCollector(
			(reaction, user) =>
				usedEmojis.includes(reaction.emoji.name) && !user.bot,
			timeout === 0 ? {} : { time: timeout * 1000 }
		);
		const voterInfo = new Map();
		reactionCollector.on("collect", (reaction, user) => {
			if (usedEmojis.includes(reaction.emoji.name)) {
				if (
					reaction.emoji.name === forceEndPollEmoji &&
					message.author.id === user.id
				)
					return reactionCollector.stop();
				if (
					reaction.emoji.name === forceEndPollEmoji &&
					message.author.id !== user.id
				)
					return;
				emojiInfo[reaction.emoji.name].votes = reaction.count - 1;
			}
		});
		// reactionCollector.on("dispose", (reaction, user) => {
		// 	if (usedEmojis.includes(reaction.emoji.name)) {
		// 		emojiInfo[reaction.emoji.name].votes -= 1;
		// 	}
		// });
		reactionCollector.on("end", () => {
			text = "*¡La encuesta ha terminado!*\n✥ Los resultados son:\n\n";
			for (const emoji in emojiInfo)
				text += `• \`${emojiInfo[emoji].option}\` - \`${emojiInfo[emoji].votes} votos\`\n\n`;
			poll.delete();
			message.channel.send(
				embedBuilder(title, message.author).setDescription(text)
			);
		});
	} else if(lang === "en"){
		if (!message && !message.channel)
			return message.reply("I can't access this channel.");
		if (!title) return message.reply("specifies the title of the survey.");
		if (!options) {
			options = ["Yes", "No"];
		}
		if (options.length < 2)
			return message.reply("please provide more than two options.");
		if (options.length > emojiList.length)
			return message.reply(
				`please do not exceed ${emojiList.length}`
			);

		let text = `✥ To vote, react using the corresponding emoji.\n✥ ${timeout > 0
				? "The survey will end in **" + timeout + "** seconds."
				: "The survey will **manually end** as decided by the survey creator."
			}\n✥ The creator of this survey can **forcefully** terminate by reacting to the emoji ${forceEndPollEmoji}\n\n`;
		const emojiInfo = {};
		for (const option of options) {
			const emoji = emojiList.splice(0, 1);
			emojiInfo[emoji] = { option: option, votes: 0 };
			text += `${emoji} : \`${option}\`\n\n`;
		}
		const usedEmojis = Object.keys(emojiInfo);
		usedEmojis.push(forceEndPollEmoji);

		const poll = await message.channel.send(
			embedBuilder(title, message.author)
				.setDescription(text)
				.setColor("7c4e55")
				.setThumbnail(message.guild.iconURL())
		);
		for (const emoji of usedEmojis) await poll.react(emoji);

		const reactionCollector = poll.createReactionCollector(
			(reaction, user) =>
				usedEmojis.includes(reaction.emoji.name) && !user.bot,
			timeout === 0 ? {} : { time: timeout * 1000 }
		);
		const voterInfo = new Map();
		reactionCollector.on("collect", (reaction, user) => {
			if (usedEmojis.includes(reaction.emoji.name)) {
				if (
					reaction.emoji.name === forceEndPollEmoji &&
					message.author.id === user.id
				)
					return reactionCollector.stop();
				if (
					reaction.emoji.name === forceEndPollEmoji &&
					message.author.id !== user.id
				)
					return;
				emojiInfo[reaction.emoji.name].votes = reaction.count - 1;
			}
		});
		// reactionCollector.on("dispose", (reaction, user) => {
		// 	if (usedEmojis.includes(reaction.emoji.name)) {
		// 		emojiInfo[reaction.emoji.name].votes -= 1;
		// 	}
		// });
		reactionCollector.on("end", () => {
			text = "*The survey is over!*\n✥ The results are:\n\n";
			for (const emoji in emojiInfo)
				text += `• \`${emojiInfo[emoji].option}\` - \`${emojiInfo[emoji].votes} votes\`\n\n`;
			poll.delete();
			message.channel.send(
				embedBuilder(title, message.author).setDescription(text)
			);
		});
	}

};

const embedBuilder = (title, author) => {
	return new MessageEmbed()
		.setTitle(`Poll - ${title}`)
		.setFooter(
			`Survey created by ${author.tag}`,
			author.displayAvatarURL()
		);
};

module.exports = voteEmbed;