import { ChannelType, Message } from "discord.js";
import { client, handler, lavalinkManager } from "../index";
import { Config } from "../utils/Config";
import { Logger } from "../utils/Logger";
import { DB } from "../utils/Database";
import { getVoiceChannel } from "../utils/music/Channel";
import { channelJoin } from "../commands/join";

const cmdErr = (message: Message, commandName: string | undefined | null): void => {
  if (!commandName) return;
  if (message.channel.type !== ChannelType.GuildText) return;
  message.channel.send({ embeds: [ client.mkembed({
    description: `\` ${commandName} \` 이라는 명령어를 찾을 수 없습니다.`,
    footer: { text: `${Config.prefix}help를 입력해 명령어를 확인해주세요.` },
    color: "DarkRed",
  }) ] }).then(m => client.msgDelete(m, 1));
}

export const messageCreate = async (message: Message): Promise<void> => {
  if (message.author.bot || message.channel.type === ChannelType.DM) return;
  if (!message.content.startsWith(client.prefix)) {
    handleMessage(message).catch((err) => {
      Logger.error(`[messageCreate] handleMessage 처리 중 에러: ${String(err)}`);
    });
    return;
  }

  const content = message.content.slice(client.prefix.length).trim();
  const args = content.split(/ +/g);
  const commandName = args.shift()?.toLocaleLowerCase() || "";
  const command = handler.commands.get(commandName) || handler.commands.find((cmd) => cmd.aliases.includes(commandName));
  try {
    if (!command || !command.messageRun) {
      if (!commandName || commandName.replace(/\;| +/g,"").length === 0) return;
      cmdErr(message, commandName);
      return client.msgDelete(message, 0, true);
    }
    command.messageRun(message, args);
    client.msgDelete(message, 0, true);
  } catch(err: any) {
    if (Config.debug) Logger.error(err);
    cmdErr(message, commandName);
    return client.msgDelete(message, 0, true);
  }
}

async function handleMessage(message: Message): Promise<void> {
  if (!message.guild?.id) return;
  if (!message.member?.user?.id) return;
  if (message.channel.type !== ChannelType.GuildText) return;
  const gdb = DB.guild.get(message.guild.id);
  if (!gdb?.channel_id) return;
  if (gdb.channel_id !== message.channel.id) return;
  let player = lavalinkManager.getPlayer(message.guild.id);
  const voiceChannel = getVoiceChannel(message.member);
  if (!player) {
    if (!voiceChannel) {
      message.channel.send({ embeds: [ client.mkembed({
        author: {
          name: message.member.nickname ?? message.member.user.displayName,
          iconURL: message.member.displayAvatarURL({}) ?? undefined,
        },
        title: "음성채널을 찾을수 없습니다.",
        description: "음성채널에 들어가서 사용해주세요.",
        color: "DarkRed",
      }) ] }).then(m => client.msgDelete(m, 1));
      return client.msgDelete(message, 100, true);
    }
    player = (await channelJoin(message.guild, voiceChannel.id)).player;
  }
  if (!player) {
    message.channel.send({ embeds: [ client.mkembed({
      author: {
        name: message.member.nickname ?? message.member.user.displayName,
        iconURL: message.member.displayAvatarURL({}) ?? undefined,
      },
      title: "세션을 찾을수 없습니다.",
      description: "다시 시도해주세요.",
      color: "DarkRed",
    }) ] }).then(m => client.msgDelete(m, 1));
    return client.msgDelete(message, 100, true);
  }
  lavalinkManager.search(message.guild.id, message.content.trim(), message.member.user.id, player);
  return client.msgDelete(message, 100, true);
}