import { getVoiceConnections } from "@discordjs/voice";
import { Client, Intents, Message } from "discord.js";
import { config } from "dotenv";
import { readdirSync } from "fs";
import { emouty } from "./utils/emotes";
import { Komand, ListenerFunkce, Modul } from "./utils/types";
import { formatCas } from "./utils/utils.js";

const ints = Intents.FLAGS;
const client = new Client({ intents: [ints.GUILDS, ints.GUILD_VOICE_STATES, ints.GUILD_PRESENCES, ints.GUILD_MESSAGES] });
config();

const prefix = process.env.PREFIX || "more";
const modulFolder = `${__dirname}/modules/`;
const eventy: Record<string, ListenerFunkce[]> = { on_message: [] };
const komandy: Record<string, Komand> = {};
const aliasy: Record<string, string> = {};
let spink = false;
const kuldan_log: Record<string, Record<string, number>> = {};

const runEvent = (name: string, args: any[]) => {
  eventy[name].forEach(listener => {
    listener(...args);
  });
};

readdirSync(modulFolder).forEach(soubor => {
  if (!soubor.endsWith(".js")) return;
  const modul: Modul = require(`${modulFolder}${soubor}`);
  console.log(`Načet sem: ${modulFolder}${soubor}`);
  modul.client = client;
  Object.keys(modul).forEach(name => {
    if (name.startsWith("on_")) {
      if (!eventy[name]) {
        eventy[name] = [];
        if (name !== "on_message") client.on(name.slice(3), (...args) => runEvent(name, args));
      }
      eventy[name].push(modul[name]);
    } else if (name === "more_komandy") {
      Object.keys(modul[name]).forEach(cmdName => {
        const value = modul[name][cmdName];
        if (typeof value !== "object") {
          komandy[cmdName] = { run: value };
        } else {
          komandy[cmdName] = { run: value.run, cd: value.cd };
          value.als?.forEach(al => aliasy[al] = cmdName);
        }
      });
    }
  });
});

const spim = (mes: Message) => {
  const cont = mes.content.toLocaleLowerCase();
  if (cont === `${prefix} zapni se`) {
    if (spink) {
      spink = false;
      mes.client.user?.setStatus("online");
      mes.channel.send("dobré ráno magoří");
    }
    else mes.channel.send("tak jsi kokot?");
  } else if (!spink) {
    if (cont === `${prefix} vypni se`) {
      mes.react(emouty.purfieRIP);
      getVoiceConnections().forEach(con => con.disconnect());
      mes.client.user?.setStatus("invisible");
      spink = true;
    }
    else return false;
  }
  return true;
};

const maKuldan = (id: string, komand: string, kuldan_komandu: number) => {
  if (!kuldan_log[komand]) kuldan_log[komand] = {};

  const cas_ted = Date.now() / 1000;
  const rozdil = cas_ted - kuldan_log[komand][id];
  if (rozdil < kuldan_komandu) return kuldan_komandu - rozdil;

  kuldan_log[komand][id] = cas_ted;
  return 0;
};

client.on("messageCreate", mes => {
  if (process.env.IGNORE_MESS || spim(mes)) return;

  runEvent("on_message", [mes]);
  const [mes_prefix, komand, ...args] = mes.content.split(" ");
  if (mes_prefix.toLowerCase() !== prefix) return;
  if (!komand) return void mes.channel.send("coe voe");

  const celArgs = args.join(" ");
  const cmdName = aliasy[komand] ?? komand;
  const cmd = komandy[cmdName];
  if (!cmd) return void mes.channel.send("co to znamena ti gadzovko");

  if (cmd.cd) {
    const zbyva = Math.round(maKuldan(mes.author.id, cmdName, cmd.cd));
    if (zbyva) return void mes.channel.send(`si kkt vole maz kuldan jeste ${formatCas(zbyva)}`);
  }

  const akce = cmd.run;
  if (typeof akce === "string") return void mes.channel.send(akce);
  const result = akce(celArgs, mes);
  if (result && !(result instanceof Promise)) mes.channel.send(result);
});

client.login(process.env.TOKEN);