config.js

const JsonDB = require('node-json-db');
const db = new JsonDB('database.json',true,true); //to be moved to mysql/sqlite (have fun future self)

const settings = [
    {
        name:"prefix",
        config_value:"prefix",
        help:"Can be any characters except (to be filled in), maximum of 5 characters.\nYou may disable prefix, you will have to @mention bot",
        boolean:false,
        exec: (msg,args,config) => {
            //args[1] IS filled:
            if(args[1].length > 5) return msg.channel.send("Value must be less than 5 characters")
            return msg.channel.send("Prefix set to " + args[1] + " from " + config.prefix);
        }
    }
];

exports.run = (client,msg,args) => {
    if(!client.permCheck(msg.member,msg.guild) > 0) {
        return msg.channel.send("You don't have permission for this!");
    }
    if(!args[0] || args[0].toLowerCase() === "help") {
        if(!args[1]) return msg.channel.send("This is a help command. No args sent");
        for(var i=0;i<settings.length;i++) {
            if(settings[i].name === args[1].toLowerCase()) {
               
                return msg.channel.send({embed:{title:`Help for ${settings[i].name}`,description:`${settings[i].help}`}});
                break;
            }
        }
        return msg.channel.send("The setting ``" + args[0] + "`` doesn't exist, or no help exists");
    }
    const server_config = db.getData(`/servers/${msg.guild.id}`)
    for(var i=0;i<settings.length;i++) {
        if(settings[i].name === args[0].toLowerCase()) {
            if(!args[1]) return msg.channel.send({embed:{title:`Value for ${settings[i].name}`,description:`${server_config[settings[i].config_value]}`}});
            return settings[i].exec(msg,args,server_config);
        }
    }
    return msg.channel.send("The setting ``" + args[0] + "`` doesn't exist.");
};

exports.config = {
	enabled: true,
	permLevel: 0
};

exports.help = {
	name: "config",
	aliases:[],
	description: "Configure the bot for your server",
	usage:"config <help/blah>"
};