Blacklist - servers

let blacklists = require ('./blacklists.json')

function saveB() {
    fs.writeFileSync ('./blacklists.json', JSON.stringify (blacklists, null, 4), (err) => {
        if (err) throw err;
    })
}

let settings = {
	"owners": ["owner id"]
}

client.on ('message', async (message) => {
    if (!message.guild || message.author.bot) return undefined;
    let Command = message.content.split(' ')[0].toLowerCase();
    let args = message.content.split(' ');

    if (Command == prefix + 'blacklist') {
        if (!settings.owners.includes (message.author.id)) return null;
        if (!args[1] || !args[2] || !args[3]) return message.reply ('Ex: '+Command+' add/remove <serverid> <reason>');
        if (!['add', 'remove'].includes (args[1].toLowerCase())) return message.channel.send ('**Invalid args 🙄.**');
        let truefalse = args[1].toLowerCase() == 'add' ? true : false;
        let nahah = truefalse ? 'blacklisted' : 'unblacklisted';
        if (truefalse && Client.guilds.get (args[2])) {
            let guild = Client.guilds.get (args[2]);
            guild.owner.send (`**Your server \`${guild.name}\` has been blacklisted for \`${args.slice(3).join(' ')}\`**`).catch (err => undefined).then(() => guild.leave());

        };
        if (!blacklists[args[2]]) {
            blacklists[args[2]] = {
                "status": truefalse,
                "reason": args.slice(3).join(' ').split('`').join('')
            };
            saveB();
            message.channel.send (`**Succesfully ${nahah} ${Client.guilds.get (args[2]) ? Client.guilds.get (args[2]).name+'.**' : 'the server.**'}`);
        } else {
            blacklists[args[2]] = {
                "status": truefalse,
                "reason": args.slice(3).join(' ').split('`').join('')
            };
            saveB();
            message.channel.send (`**Succesfully ${nahah} ${Client.guilds.get (args[2]) ? Client.guilds.get (args[2]).name+'.**' : 'the server.**'}`);
        }
    };
    if (Command == prefix+'leave') {
        if (!settings.owners.includes (message.author.id)) return null;
        if (!args [1]) return message.channel.send('**Ex: ' + Command+ ' <server name / server id>**');
        let guild = Client.guilds.get (args[1]) || Client.guilds.find (Guild => (Guild.name == args.slice(1).join(' ')) || (Guild.name.startsWith (args.slice(1).join(' '))))
        if (!guild) return message.channel.send (`**No guild found with id/name \`${args.slice(1).join(' ')}\`**`)
        this.emojis = {
            yes: '✅',
            no: '❌'
        };
        message.channel.send (`**Are You sure you want me left this server:\nName: ${guild.name}\nMembers Count: ${guild.memberCount}\nOwnerShip: ${guild.owner} (ID: ${guild.ownerID})**`).then (async (msg) => {
            await msg.react (this.emojis.yes);
            await msg.react (this.emojis.no);
            let filter = (reaction, user) => {
                return user.id == message.author.id;
            }
            let collector = await msg.createReactionCollector (filter, {time: 1000 * 15});
            collector.on ('collect', async (r) => {
                collector.stop();msg.delete().catch (err => undefined);
                switch (r.emoji.name) {
                    case this.emojis.yes:
                        message.channel.send ('**Successfully left the server.**').then (() => guild.leave()).catch (err => guild.leave());
                        break;
                    case this.emojis.no:
                        message.channel.send ('**Successfully cancelled.**');
                        break;
                }
            }).on ('end', () => {
                msg.delete();
                message.reply ('**Time out.**');
            })
        })
    }
});
client.on ('guildCreate', Guild => {
    if (blacklists [Guild.id] && blacklists[Guild.id].status == true){
        Guild.owner.send (`**You can't add me to \`${Guild.name}\` server this server is blacklisted for \`${blacklists[Guild.id].reason}\`**`).catch (err => undefined).then (() => Guild.leave());
    }
});

//By 3Mo_Steve | Toxic Codes