import { ApplicationCommandOptionType, ChannelType, ChatInputApplicationCommandData, ChatInputCommandInteraction, EmbedBuilder, Guild } from "discord.js";
import { client } from "../index";
import { Command } from "../types/Command";
import { clearAllMsg } from "../utils/music/Utils";
import { default_content, default_embed, default_image, getButtons } from "../utils/music/Config";
import { DB } from "../utils/Database";
import { Logger } from "../utils/Logger";

/** channel 명령어 */
export default class implements Command {
  /** 해당 명령어 설명 */
  name = "channel";
  visible = true;
  aliases: string[] = [];
  description: string = "채널 생성 또는 연결";
  metaData: ChatInputApplicationCommandData = {
    name: this.name,
    description: this.description,
    options: [
      {
        type: ApplicationCommandOptionType.Subcommand,
        name: "make",
        description: "채널 만들기",
      },
      {
        type: ApplicationCommandOptionType.Subcommand,
        name: "register",
        description: "기존 채팅채널 등록",
        options: [
          {
            type: ApplicationCommandOptionType.Channel,
            name: "channel",
            description: "등록할 채널 (선택)",
            channel_types: [ChannelType.GuildText],
          },
          {
            type: ApplicationCommandOptionType.String,
            name: "channel_id",
            description: "채널 ID 또는 #멘션 (선택)",
          },
        ]
      },
    ],
  };

  /** 실행되는 부분 */
  async slashRun(interaction: ChatInputCommandInteraction) {
    const cmd = interaction.options.getSubcommand();
    if (cmd === "make") {
      await interaction.editReply({ embeds: [ await this.channelCreate(interaction.guild) ] });
      return;
    }
    if (cmd === "register") {
      const channel = interaction.options.getChannel("channel");
      const channelId = interaction.options.getString("channel_id");
      await interaction.editReply({ embeds: [ await channelRegister(interaction.guild, channel?.id || channelId) ] });
      return;
    }
  }

  async channelCreate(guild: Guild | null): Promise<EmbedBuilder> {
    if (!guild) return client.mkembed({
      title: "guild를 가져올수 없습니다.",
      color: "DarkRed",
    });
    const channel = await guild.channels.create({
      name: "MUSIC채널",
      type: ChannelType.GuildText,
      topic: "채팅에 노래제목 또는 주소를 입력해 사용하세요.",
    }).catch(() => null);
    if (!channel) return client.mkembed({
      title: "채널 생성 오류",
      color: "DarkRed"
    });
    return channelRegister(guild, channel.id);
  }
}

export async function channelRegister(guild: Guild | null, channelId: string | null): Promise<EmbedBuilder> {
  if (!guild) return client.mkembed({
    title: "guild를 가져올수 없습니다.",
    color: "DarkRed",
  });
  if (!channelId) return client.mkembed({
    title: "채널 아이디 가져오기 오류",
    color: "DarkRed",
  });
  const channel = guild.channels.cache.get(channelId.replace(/\<|\#|\!|\>/g,"").trim());
  if (!channel?.id) return client.mkembed({
    title: `${channelId} 채널 가져오기 오류`,
    color: "DarkRed",
  });
  if (channel.type !== ChannelType.GuildText) return client.mkembed({
    title: `<#${channelId}> 채팅 채널이 아닙니다.`,
    color: "DarkRed",
  });
  await clearAllMsg(channel);
  const msg = await channel.send({
    content: default_content,
    embeds: [ default_embed(guild.id) ],
    components: [ getButtons() ],
    files: [ default_image ],
  }).catch((err) => {
    Logger.error(`[Channel] 메세지 생성 실패: ${String(err)}`);
    return null;
  });
  if (!msg) return client.mkembed({
    title: "메세지 생성 오류",
    color: "DarkRed"
  });
  if (!DB.guild.get(guild.id)) DB.guild.set({
    id: guild.id,
    name: guild.name,
    channel_id: "",
    msg_id: "",
    options: { recommend: false }
  });
  const gdb = DB.guild.get(guild.id);
  if (!gdb) return client.mkembed({
    title: "DB 생성 오류",
    color: "DarkRed",
  });
  if (!DB.guild.update({
    ...gdb,
    channel_id: channel.id,
    msg_id: msg.id,
  })) return client.mkembed({
    title: "DB 등록 오류",
    color: "DarkRed",
  });
  return client.mkembed({
    title: `채널(${channel.name}) 생성/등록 완료`,
    description: `채널: <#${channel.id}>`,
  });
}