giveaway.js

const { RichEmbed } = require("discord.js");
const { stripIndents } = require("common-tags");

module.exports = {
  name: "giveaway",
  category: "fun",
  description: "Makes a new giveaway for an alloted time.",
  usage:
    "n.giveaway <time> [form of time] [quantity] [amount of winners possible] [gift]",
  run: async (client, message, args) => {
    if (message.deletable) message.delete();
    const errorEmbed = new RichEmbed();
    const successEmbed = new RichEmbed();
    let time = args[0];
    let formTime = args[1];
    let quantity = args[2];
    let amountWinners = args[3];
    let gift = args.splice(4, args.length).join(" ");
    let eventsRole = message.guild.roles.find("id", "665705887196774450");
    const giveawayChannel = message.guild.channels.find(
      channel => channel.id === `665714033982308377`
    );
    if (!message.member.roles.has(eventsRole.id)) {
      return message.channel
        .send(
          errorEmbed
            .setColor("#FFE9CE")
            .setDescription(
              `❌ **You do not have permission to use this command!**`
            )
        )
        .then(m => m.delete(5000));
    }
    if (!time) {
      return message.channel
        .send(
          errorEmbed
            .setColor("#FFE9CE")
            .setDescription(`❌ **You must specify a time for the giveaway!**`)
        )
        .then(m => m.delete(5000));
    }
    if (!formTime) {
      return message.channel
        .send(
          errorEmbed
            .setColor("#FFE9CE")
            .setDescription(
              `❌ **You must specify a form of time for the giveaway!**`
            )
        )
        .then(m => m.delete(5000));
    }
    if (!quantity) {
      return message.channel
        .send(
          errorEmbed
            .setColor("#FFE9CE")
            .setDescription(
              `❌ **You must specify how much you are giving away!**`
            )
        )
        .then(m => m.delete(5000));
    }
    if (!amountWinners) {
      return message.channel
        .send(
          errorEmbed
            .setColor("#FFE9CE")
            .setDescription(
              `❌ **You must specify how many winners you want for the giveaway!**`
            )
        )
        .then(m => m.delete(5000));
    }
    if (!gift) {
      return message.channel
        .send(
          errorEmbed
            .setColor("#FFE9CE")
            .setDescription(`❌ **You must specify what you are giving away!**`)
        )
        .then(m => m.delete(5000));
    }
    if (formTime === "second") {
      let newTime = Date.now() + parseInt(time) * 1000;
    } else if (formTime === "minute") {
      let newTime = Date.now() + parseInt(time) * 1000 * 60;
    } else if (formTime === "hour") {
      let newTime = Date.now() + parseInt(time) * 1000 * 60 * 60;
    } else if (formTime === "day") {
      let newTime = Date.now() + parseInt(time) * 1000 * 60 * 60 * 24;
    } else {
      return message.channel
        .send(
          errorEmbed
            .setColor("#FFE9CE")
            .setDescription(
              `❌ **You must specify a valid form of time for the giveaway!**`
            )
        )
        .then(m => m.delete(5000));
    }
    message.channel.send(
      successEmbed
        .setColor("#FFE9CE")
        .setTimestamp()
        .setDescription(`✅ **Successfully created giveaway!**`)
    );
    const giveawayEmbed = new RichEmbed()
      .setTitle(`Giveaway`)
      .setColor("#FFE9CE")
      .setTimestamp()
      .setFooter(`You must react to enter!`)
      .addField(
        `**${gift}** (x${quantity})`,
        stripIndents`**Host:** ${message.author}
        **Time of Giveaway:** ${time} ${formTime}(s)`
      );
    let azukiFiesty = await client.emojis.find(
      emoji => emoji.name === "azukifiesty"
    );
    var sendGiveaway = await giveawayChannel.send(giveawayEmbed);
    sendGiveaway.react(azukiFiesty);
    if (Date.now() > time) {
      var random = 0;
      var winners = [];
      var inList = false;
      var participants = sendGiveaway.reactions
        .get(azukiFiesty.id)
        .users.fetch();
      for (var i = 0; i < participants.length; i++) {
        if (participants[i].id == client.user.id) {
          participants.splice(i, 1);
          continue;
        }
      }
      if (participants.length == 0) {
        const noWinnersEmbed = new RichEmbed()
          .setTitle("No Winners")
          .setTimestamp()
          .setColor("#FFE9CE")
          .setDescription(
            `**There were no participants, so no one won the giveaway.** ˃̣̣̥⌓˂̣̣̥`
          );
        return giveawayChannel.send(noWinnersEmbed);
      }
      if (participants.length < amountWinners) {
        const noWinnersEmbed = new RichEmbed()
          .setTitle("No Winners")
          .setTimestamp()
          .setColor("#FFE9CE")
          .setDescription(
            `**There were not enough participants, so no one won the giveaway.** ˃̣̣̥⌓˂̣̣̥`
          );
        return giveawayChannel.send(noWinnersEmbed);
      }
      for (var i = 0; i < amountWinners; i++) {
        inList = false;
        random = Math.floor(Math.random() * participants.length);
        for (var y = 0; y < winners.length; y++) {
          if (winners[y] == participants[random]) {
            i--;
            inList = true;
            break;
          }
        }
        if (!inList) {
          winners.push(participants[random]);
        }
        if (Date.now() > time) {
          const logEmbed = new RichEmbed()
            .setColor("#FFE9CE")
            .setTimestamp()
            .setFooter(
              `To claim your prize, you must DM the host of this giveaway!`
            )
            .setTitle("Winner")
            .setDescription(`**Congratulations! You have won ${gift}!**`);
          giveawayChannel.send(winners, logEmbed);
        }
      }
    }
  }
};