import BaseService from '../../base';
import TelegramBot = require('node-telegram-bot-api');
import TgGroupType from './tggrouptype';

/**
 * tg机器人 api 服务 只有一个进程可以用
 */
const botListMap = new Map<number, TelegramBot>();
export default class TgbotApiService extends BaseService {
  /**
   * 机器人进程初始化
   */
  async initTgbot() {
    await this.initTgBotList();
    return true;
  }

  /**
   * 进程通讯
   * @param cmd
   * @param data
   */
  async handleReq(cmd:string, data:any) {
    switch (cmd) {
      case 'addTgBot':
        await this.addTgBot(data);
        break;
      case 'removeTgBot':
        await this.removeTgBot(data);
        break;
      case 'sendMessage':
        await this.sendMessage(data);
        break;
      default:
        break;
    }
    return true;
  }

  /**
   * 初始化机器人监听
   */
  async initTgBotList() {
    const list = await this.getRepo().admin.tg.TgBot.find({ status: 1 });
    list.forEach(tgbot => {
      this.addTgBot(tgbot.botId, tgbot);
    });
  }

  /**
   * 添加机器人监听
   * @param botId
   * @param botInfo
   */
  async addTgBot(botId:number, botInfo:any = null) {
    if (botListMap.has(botId)) {
      return false;
    }
    if (botInfo == null) {
      botInfo = await this.getRepo().admin.tg.TgBot.findOne({ botId });
    }
    if (botInfo == null || botInfo.status === 0) return false;
    const bot = new TelegramBot(botInfo.token, { polling: true });
    botListMap.set(botId, bot);
    bot.on('message', msg => {
      this.onReciveMessage(botId, msg);
    });
    return true;
  }

  /**
   * 移除机器人监听
   * @param botId
   */
  async removeTgBot(botId:number) {
    if (!botListMap.has(botId)) {
      return false;
    }
    const bot = botListMap.get(botId);
    await bot.stopPolling();
    botListMap.delete(botId);
    return true;
  }

  /**
   * 解析msg
   * @param botId
   * @param msg
   */
  // {"message_id":83,"from":{"id":5034446407,"is_bot":false,"first_name":"xdh","username":"hdx234","language_code":"zh-hans"},"chat":{"id":-4870165498,"title":"z & xdh","type":"group","all_members_are_administrators":true,"accepted_gift_types":{"unlimited_gifts":false,"limited_gifts":false,"unique_gifts":false,"premium_subscription":false}},"date":1752997603,"text":"123452"}
  // {"message_id":85,"from":{"id":5034446407,"is_bot":false,"first_name":"xdh","username":"hdx234","language_code":"zh-hans"},"chat":{"id":5034446407,"first_name":"xdh","username":"hdx234","type":"private"},"date":1753021095,"text":"11111"}
  parseMessage(msg:any) {
    if (msg == null) return null;
    const { message_id, from, chat, date, text } = msg;
    return {
      messageId: message_id,
      chatId: chat?.id,
      chatType: chat?.type,
      chatTitle: chat?.title,
      chatName: chat?.first_name,
      chatUsername: chat?.username,
      fromUserId: from?.id,
      fromName: from?.first_name,
      fromUsername: from?.username,
      isBot: from && from.is_bot ? 1 : 0,
      sentTime: date,
      text,
    };
  }
  async recordMessage(botId:number, message:any) {
    try {
      const data = Object.assign({}, message, { botId });
      await this.getRepo().admin.tg.TgMessage.save(data);
    } catch (error) {
      console.error(error);
    }
  }
  async recordSendMessage(groupId:any, botId:any, text:any) {
    try {
      await this.getRepo().admin.tg.TgBotSendLog.save({ groupId, botId, text });
    } catch (error) {
      console.error(error);
    }
  }
  /**
   * 监听消息处理
   * @param botId
   * @param msg
   */
  async onReciveMessage(botId:number, msg:any) {
    const message = this.parseMessage(msg);
    const group = await this.getRepo().admin.tg.TgGroup.findOne({ groupId: message?.chatId });
    const groupType = group ? group.type : TgGroupType.LISTEN_ONLY;
    // 是否记录
    if (groupType === TgGroupType.LISTEN_ONLY || groupType === TgGroupType.BOTH) {
      await this.recordMessage(botId, message);
      await this.service.admin.tg.tgmsghandler.handleMessage(group, message);
    }
  }
  async sendMessage(message:any[]) {
    if (message == null) return false;
    try {
      for (const value of message) {
        const { groupId, botId, text } = value;
        if (botListMap.has(botId)) {
          const bot = botListMap.get(botId);
          bot.sendMessage(groupId, text);
          await this.recordSendMessage(groupId, botId, text);
        }
      }
    } catch (error) {
      console.error(error);
      return false;
    }
    return true;
  }
}