// Copyleft (C) Kamila Szewczyk, 2020.
// All wrongs reserved.

import Discord from'discord.js'
import fs from'fs'
import cbor from'cbor'
const client=new Discord.Client()
let data:Map<string, number>=new Map(cbor.decode(fs.readFileSync('db.json')))
data[Symbol.iterator]=function*(){yield*[...this.entries()].sort((a,b)=>b[1]-a[1]);}
const possesive=(nick:string)=>nick.endsWith("s")?nick+"'":nick+"'s"
const get_def=(key:string)=>data.has(key)?data.get(key)!:0
const extract_ping=(msg:Discord.Message)=>msg.mentions.members?.filter(x=>x.user.id!=client.user?.id).first()
const id2name=(id:string)=>(client.users.cache.get(id)?.tag)||id
const command=(msg:Discord.Message)=>{
    const ping=extract_ping(msg)
    if(ping!==undefined){msg.channel.send(possesive(ping.user.username)+" h score: "+get_def(ping.user.id));return;}
    if(msg.content.endsWith("top")){msg.channel.send([...data].slice(0,10).map(k=>((k,v)=>`**${k}**: ${v} h`)(id2name(k[0]),k[1])).join('\n'));}
}
client.on('message',msg=>(!msg.author.bot&&(msg.guild==null||(msg.mentions.members!=null&&client.user!=null&&msg.mentions.members.filter(x=>x.user.id==client.user?.id).size>=1)))&&command(msg))
client.on('message',msg=>msg.content.match(/^[hHħhℏ]+$/)!=null&&data.set(msg.author.id,get_def(msg.author.id)+1))
client.login(JSON.parse(fs.readFileSync('bot.json').toString()).token)
setInterval(async()=>fs.writeFile('db.json',cbor.encode(Array.from(data.entries())),x=>x),10000)