import { Command, CommandoMessage, CommandoClient } from 'discord.js-commando';
//@ts-ignore no types
import emoji from 'emoji-random'
import { formatDistance, formatRelative } from 'date-fns'
//@ts-ignore no types
import { stripIndents } from 'common-tags'

module.exports = class OldestMemberServer extends Command {
    constructor(client: CommandoClient) {
        super(client, {
            name: 'oldestmember',
            aliases: [
                'oldest-member',
                'oldestuser',
                'oldest-user',
                'oldest'
            ],
            group: 'server',
            memberName: 'oldestmember',
            description: 'Checks who the oldest member on the server is.',
            examples: ['uwu!oldestmember'],
            throttling: {
                usages: 5,
                duration: 30
            },
            userPermissions: ['SEND_MESSAGES', 'READ_MESSAGE_HISTORY'],
            clientPermissions: ['SEND_MESSAGES', 'READ_MESSAGE_HISTORY'],
            guildOnly: true
        });
    }
    run(msg: CommandoMessage) {
        const oldest = msg.guild.members
            .cache.sort((member1, member2) => {
                const timestamp1 = member1.user.createdTimestamp
                const timestamp2 = member2.user.createdTimestamp

                if (timestamp1 > timestamp2) {
                    return 1
                } else if (timestamp1 < timestamp2) {
                    return -1
                }
                return 0
            }).first()?.user;
            
        // TODO:
        //@ts-ignore no idea why
        const { createdAt } = oldest
        const age = formatDistance(createdAt, new Date())
        const date = formatRelative(createdAt, new Date())
        return msg.reply(stripIndents`${oldest?.tag} is the oldest member in this server.
        Their account is **${age}** old (created **${date}**).` + ' ' + emoji.random())
    }
};