const waitlistChannel = '1206386586107772979'
const selectedUserIds = [];

const { SlashCommandBuilder, EmbedBuilder, ButtonBuilder, ButtonStyle, ActionRowBuilder, PermissionFlagsBits } = require('discord.js')

module.exports = {
    data: new SlashCommandBuilder()
        .setName('host-event')
        .setDescription('host tierlist event!')
        .setDefaultMemberPermissions(PermissionFlagsBits.ManageGuild),
    userPermissions: [PermissionFlagsBits.ManageGuild],
    botPermissions: [],

    run: async(client, interaction) => {
        const fetch = await interaction.member.guild.channels.cache.get(waitlistChannel).messages.fetch({ limit: 1})
        const lastMessage = fetch.first()

        interaction.member.guild.channels.cache.get(waitlistChannel).messages.fetch(lastMessage.id).then(msg => {
            msg.delete()
        });

        const listEmbed = new EmbedBuilder()
        .setTitle('Some one is currently hosting an event!')
        .setColor('Red')
        .setDescription('No one currently in waitlist!')

        const filter = (i) =>(i.customId === "joinn") && i.user.id === interaction.user.id;

        const joinButton = new ButtonBuilder()
        .setCustomId('joinn')
        .setLabel('Join the waitlist')
        .setStyle(ButtonStyle.Primary)

        const row = new ActionRowBuilder()
        .addComponents(joinButton)

        const collector = interaction.channel.createMessageCollector({ filter: filter, time: 60_000 });

        collector.on('collect', async(i) => {
            if(i.customId==='joinn') {
                const fetch = await interaction.member.guild.channels.cache.get(waitlistChannel).messages.fetch({ limit: 1})
                const lastMessage = fetch.first()
                selectedUserIds.push(interaction.user.id)
                listEmbed.setDescription(generateUserList(interaction.guild))
        
                interaction.member.guild.channels.cache.get(waitlistChannel).messages.fetch(lastMessage.id).then(msg => {
                    msg.edit({ embeds: [listEmbed], components: [row]})
                });

                i.reply({content: 'Complete!', ephemeral: true})
            }
        });

        client.channels.cache.get(waitlistChannel).send({ embeds: [listEmbed], components: [row]})

    }
}

function generateUserList(guild) {
    let userList = '';
    let num = 1
    selectedUserIds.forEach(userId => {
        const user = guild.members.cache.get(userId);
        if (user) {
            userList += `**${num}. ${user}**\n`;
            num + 1
        }
    });
    return userList || 'No users found';
}