import { Client, ClientEvents, ColorResolvable, EmbedBuilder, EmbedField, GatewayIntentBits, Message } from "discord.js";
import { Config } from "../utils/Config";
import { Logger } from "../utils/Logger";

export class BotClient extends Client {
  public prefix = Config.prefix;
  public color: ColorResolvable = Config.embedColor;
  public constructor() {
    super({
      intents: [
        GatewayIntentBits.Guilds,
        GatewayIntentBits.GuildMembers,
        GatewayIntentBits.GuildMessages,
        GatewayIntentBits.MessageContent,
        GatewayIntentBits.GuildVoiceStates,
      ],
    });
  }

  public async start() {
    this.login(Config.token);
  }
  
  /**
   * 이벤트 핸들러 등록
   * 
   * 지정한 이벤트가 발생했을때 해당 핸들러를 호출함
   * * 'func'의 내용은 기본적으로 'client.on'을 따름
   * * 'extra'를 입력할 경우 추가되어 같이 전달
   * 
   * @example
   *    client.onEvent('ready', (client, info) => {
   *      Logger.ready(client?.user.username, '봇이 준비되었습니다.', info) // 출력: OOO 봇이 준비되었습니다. 추가 정보
   *    }, ['추가 정보']);
   * 
   * @param event 이벤트명
   * @param func 이벤트 핸들러 함수
   * @param extra 추가로 전달할 목록
   */
  public readonly onEvent = (event: keyof ClientEvents, func: Function, ...extra: any[]) => this.on(event, (...args) => func(...args, ...extra));

  public mkembed(data: {
    title?: string;
    description?: string;
    url?: string;
    image?: string;
    thumbnail?: string;
    author?: { name: string, iconURL?: string, url?: string };
    addFields?: EmbedField[];
    timestamp?: number | Date | undefined | null;
    footer?: { text: string, iconURL?: string };
    color?: ColorResolvable;
  }): EmbedBuilder {
    if (!data.color) data.color = this.color;
    const embed = new EmbedBuilder();
    if (data.title) embed.setTitle(data.title);
    if (data.description) embed.setDescription(data.description);
    if (data.url) embed.setURL(data.url);
    if (data.image) embed.setImage(data.image);
    if (data.thumbnail) embed.setThumbnail(data.thumbnail);
    if (data.author) embed.setAuthor({ name: data.author.name, iconURL: data.author.iconURL, url: data.author.url });
    if (data.addFields) embed.addFields(data.addFields);
    if (data.timestamp) embed.setTimestamp(data.timestamp);
    if (data.footer) embed.setFooter({ text: data.footer.text, iconURL: data.footer.iconURL });
    if (data.color) embed.setColor(data.color);
    return embed;
  }

  public msgDelete(message: Message, time: number, customTime?: boolean): void {
    setTimeout(async () => {
      try {
        const msg = await message.fetch(true).catch(() => undefined);
        if (msg?.deletable) msg.delete().catch((err) => {
          Logger.warn(`[BotClient] 메세지 삭제 실패: ${String(err)}`);
        });
      } catch {}
    }, Math.max(100, time * (customTime ? 1 : 6000)));
  }
}