GalaxyBotSpawnWarner/commands/utilities/boss_warner_cmd.js

const { SlashCommandBuilder, EmbedBuilder } = require('discord.js');

module.exports = {
    data: new SlashCommandBuilder()
        .setName('bosswarner')
        .setDescription('Checks how long until the next boss spawn.')
        .addNumberOption(option =>
            option
                .setName('roundlength')
                .setDescription('Current round length. Get this by using /roundlength in-game.')
                .setRequired(true))
        .addBooleanOption(option =>
            option
                .setName('alert')
                .setDescription('Whether or not you want to be alerted three minutes before the boss spawns.')
                .setRequired(true)),
    async execute(interaction) {
        const boss_dict = {
            'Punisher': 28.3,
            'X-0': 60,
            'Decimator': 60,
            'Galleon': 70,
            'Kodiak': 120,
        };
        const roundlength = interaction.options.getNumber('roundlength');
        if (interaction.options.getNumber('roundlength') < 0) {
            interaction.reply('Round length cannot be negative.');
            return;
        }
        if (interaction.options.getBoolean('alert') === true) {
            interaction.reply('Alerts are not yet implemented.');
            return;
        }
        if (interaction.options.getBoolean('alert') === false) {
            const spawnTimes = {};
            const embed = new EmbedBuilder()
                .setTitle('Boss Warner')
                .setDescription('Time until next boss spawn:');
            for (const boss in boss_dict) {
                const timeUntilSpawn = boss_dict[boss] - (roundlength % boss_dict[boss]);
                spawnTimes[boss] = Math.round(timeUntilSpawn);
                const futureDate = new Date();
                futureDate.setMinutes(futureDate.getMinutes() + timeUntilSpawn);
                const futureTimestamp = Math.floor(futureDate.getTime() / 1000);
                embed.addFields({ name: boss, value: `<t:${futureTimestamp}:t> | <t:${futureTimestamp}:R>` });
            }

            interaction.reply({ embeds: [embed] });
        }
    },
};