// Tady bude muzika, vole

import { AudioPlayerStatus, VoiceConnectionStatus } from "@discordjs/voice";
import { Client } from "discord.js";
import { search, soundcloud, stream, validate, video_basic_info } from "play-dl";
import { emouty } from "../utils/emotes";
import { Modul } from "../utils/types";
import { adminLog, log } from "../utils/utils";
import { getConn, novejJoin, novejPlay, Priority, stopPlayer } from "../utils/voice";

const guildy = new Map<string, { kju: { name: string; url: string; }[]; loop: boolean; }>();

async function playNext(guildId: string, seek?: number) {
  try {
    const guilda = guildy.get(guildId)!;
    const kju = guilda.kju;
    const item = kju[0];

    const src = await stream(item.url, { seek });
    novejPlay(guildId, { src: src.stream, volume: 1, type: src.type }, Priority.Music)
      .then(state => {
        if (state.status != AudioPlayerStatus.Idle) return;

        if (!guilda.loop) kju.shift();

        if (kju.length)
          return playNext(guildId);
      })
      .catch(e => {
        log("chyba v muziki", e);
      });
  } catch (e) {
    if (e instanceof Error && e.message.startsWith("Seeking beyond limit"))
      return stopPlayer(guildId, Priority.Music);

    log(e);
    const client: Client = module.exports.client;
    adminLog(client, "error v hani muziky");
  }
}

const exp: Modul = {
  more_komandy: {
    zahraj: {
      DMUnsafe: true,
      run: async (mes, txt) => {
        const kanel = mes.member?.voice.channelId;
        if (!kanel) return "nejsi ve vojsu ty kkt";

        const guildId = mes.guildId!;
        const ajtem = { name: "", url: "" };
        const druh = await validate(txt);
        if (druh && druh != "search") {
          if (druh != "yt_video" && druh != "so_track") return "tuto neumim zahrat";
          ajtem.url = txt;
          if (druh == "yt_video") {
            try {
              const video = await video_basic_info(txt);
              ajtem.name = video.video_details.title!;
            } catch (e) {
              return "sorka bracho ael tuto je ajdzreztrigtnuti";
            }
            if (typeof ajtem.name == "undefined") {
              const client: Client = module.exports.client;
              adminLog(client, "video nemá název");
            }
            mes.channel.send(`zahraju \`${ajtem.name}\``);
          } else {
            const sound = await soundcloud(txt);
            ajtem.name = sound.name;
            mes.channel.send(`zahraju \`${ajtem.name}\``);
          }
        } else {
          const msg = mes.channel.send("hledam");
          const hledani = await search(txt, { limit: 1 });
          if (!hledani[0]) return "nic sem nenašel";
          ajtem.url = hledani[0].url;
          ajtem.name = hledani[0].title!;
          msg.then(m => void m.edit(`zahraju \`${ajtem.name}\``));
        }

        if (!guildy.has(guildId)) {
          guildy.set(guildId, { kju: [], loop: false });
        }
        const kju = guildy.get(guildId)!.kju;
        kju.push(ajtem);

        if (kju.length != 1) return;

        await novejJoin(mes.guild!, kanel);
        getConn(guildId)?.once(VoiceConnectionStatus.Destroyed, () => {
          kju.length = 0;
        });
        playNext(guildId);
      }
    },

    queue: {
      als: ["q", "kju"],
      DMUnsafe: true,
      run: mes => {
        const kju = guildy.get(mes.guildId!)?.kju;
        if (!kju?.length) return "nehraje nic";

        return `tuto je kurentni repertoar:\n${kju.reduce((acc, cur, i) => {
          const jmeno = `${cur.name} (<${cur.url}>)`;
          return `${acc}\n${i ? `${i}. ${jmeno}` : `-- *${jmeno}* --`}`;
        }, "")}`;
      }
    },

    skip: {
      DMUnsafe: true,
      run: mes => {
        const kju = guildy.get(mes.guildId!)?.kju;
        if (!kju?.length) return "nehraje nic";

        stopPlayer(mes.guildId!, Priority.Music);
        mes.react(emouty.d3k);
      }
    },

    remove: {
      DMUnsafe: true,
      als: ["odebrat"],
      run: (mes, arg) => {
        const numero = Number(arg);
        if (isNaN(numero)) return "cokundo?";

        const kju = guildy.get(mes.guildId!)?.kju;
        if (!kju?.length) return "nehraje nic";

        if (kju.length <= numero) return "tolik toho nehrae";

        kju.splice(numero, 1);
        mes.react(emouty.d3k);
      }
    },

    seek: {
      DMUnsafe: true,
      run: (mes, arg) => {
        const numero = Number(arg);
        if (isNaN(numero)) return "huh?";

        const kju = guildy.get(mes.guildId!)?.kju;
        if (!kju?.length) return "nehraje nic";

        playNext(mes.guildId!, numero);
        mes.react(emouty.d3k);
      }
    },

    loop: {
      DMUnsafe: true,
      run: mes => {
        if (!guildy.has(mes.guildId!)) {
          guildy.set(mes.guildId!, { kju: [], loop: false });
        }

        const guilda = guildy.get(mes.guildId!)!;

        guilda.loop = !guilda.loop;

        return `lup je ${guilda.loop ? "zapnutej" : "ukoncen"}`;
      }
    }
  }
};

module.exports = exp;