import Telegram from '../client/Telegram';
import SetupService from '../services/SetupService';
import { Api } from 'telegram';
import { getLogger, Logger } from 'log4js';
import { Button } from 'telegram/tl/custom/button';
import setupHelper from '../helpers/setupHelper';
import commands from '../constants/commands';
import { WorkMode } from '../types/definitions';
import OicqClient from '../client/OicqClient';
import { md5Hex } from '../utils/hashing';
import Instance from '../models/Instance';

export default class SetupController {
  private readonly setupService: SetupService;
  private readonly log: Logger;
  private isInProgress = false;
  private waitForFinishCallbacks: Array<(ret: { oicq: OicqClient }) => unknown> = [];
  // 创建的 UserBot
  private oicq: OicqClient;

  constructor(private readonly instance: Instance,
              private readonly tgBot: Telegram) {
    this.log = getLogger(`SetupController - ${instance.id}`);
    this.setupService = new SetupService(this.instance, tgBot);
    tgBot.addNewMessageEventHandler(this.handleMessage);
    tgBot.setCommands(commands.preSetupCommands, new Api.BotCommandScopeUsers());
  }

  private handleMessage = async (message: Api.Message) => {
    if (this.isInProgress || !message.isPrivate) {
      return false;
    }

    if (message.text === '/setup' || message.text === '/start setup') {
      this.isInProgress = true;
      await this.doSetup(Number(message.sender.id));
      await this.finishSetup();
      return true;
    }

    return false;
  };

  private async doSetup(ownerId: number) {
    // 设置 owner
    try {
      await this.setupService.claimOwner(ownerId);
    }
    catch (e) {
      this.log.error('Claim Owner 失败', e);
      this.isInProgress = false;
      throw e;
    }
    // 设置工作模式
    let workMode: WorkMode | '' = '';
    try {
      while (!workMode) {
        const workModeText = await this.setupService.waitForOwnerInput('欢迎使用 Q2TG v2\n' +
          '请选择工作模式，关于工作模式的区别请查看<a href="https://github.com/Clansty/Q2TG#%E5%85%B3%E4%BA%8E%E6%A8%A1%E5%BC%8F">这里</a>', [
          [Button.text('个人模式', true, true)],
          [Button.text('群组模式', true, true)],
        ]);
        workMode = setupHelper.convertTextToWorkMode(workModeText);
      }
      this.setupService.setWorkMode(workMode);
    }
    catch (e) {
      this.log.error('设置工作模式失败', e);
      this.isInProgress = false;
      throw e;
    }
    // 登录 oicq
    if (this.instance.qq) {
      await this.setupService.informOwner('正在登录已设置好的 QQ');
      this.oicq = await OicqClient.create({
        id: this.instance.qq.id,
        uin: Number(this.instance.qq.uin),
        password: this.instance.qq.password,
        platform: this.instance.qq.platform,
        signApi: this.instance.qq.signApi,
        signVer: this.instance.qq.signVer,
        onVerifyDevice: async (phone) => {
          return await this.setupService.waitForOwnerInput(`请输入手机 ${phone} 收到的验证码`);
        },
        onVerifySlider: async (url) => {
          return await this.setupService.waitForOwnerInput(`收到滑块验证码 <code>${url}</code>\n` +
            '请使用<a href="https://github.com/mzdluo123/TxCaptchaHelper/releases">此软件</a>验证并输入 Ticket',
          );
        },
      });
    }
    else
      try {
        let uin = NaN;
        while (isNaN(uin)) {
          uin = Number(await this.setupService.waitForOwnerInput('请输入要登录 QQ 号'));
        }
        const platformText = await this.setupService.waitForOwnerInput('请选择登录协议', [
          [Button.text('安卓手机', true, true)],
          [Button.text('安卓平板', true, true)],
          [Button.text('iPad', true, true)],
        ]);
        const platform = setupHelper.convertTextToPlatform(platformText);

        let signApi: string;

        if (!process.env.SIGN_API) {
          signApi = await this.setupService.waitForOwnerInput('请输入签名服务器地址', [
            [Button.text('不需要签名服务器', true, true)],
          ]);
          signApi = setupHelper.checkSignApiAddress(signApi);
        }

        let signVer: string;

        if (signApi && !process.env.SIGN_VER) {
          signVer = await this.setupService.waitForOwnerInput('请输入签名服务器版本,当前支持安卓(8.9.63、8.9.68、8.9.70)、Tim(3.5.1、3.5.2)', [
            [Button.text('8.9.63', true, true)],
            [Button.text('8.9.68', true, true)],
            [Button.text('8.9.70', true, true)],
            [Button.text('3.5.1', true, true)],
            [Button.text('3.5.2', true, true)],
          ]);
        }

        let password = await this.setupService.waitForOwnerInput('请输入密码', undefined, true);
        password = md5Hex(password);
        this.oicq = await this.setupService.createOicq(uin, password, platform, signApi, signVer);
        this.instance.qqBotId = this.oicq.id;
        await this.setupService.informOwner(`登录成功`);
      }
      catch (e) {
        this.log.error('登录 OICQ 失败', e);
        await this.setupService.informOwner(`登录失败\n${e.message}`);
        this.isInProgress = false;
        throw e;
      }
    // 登录 tg UserBot
    if (this.instance.userSessionId) {
      await this.setupService.informOwner('userSessionId 已经存在，跳过');
      this.tgUser = await Telegram.connect(this.instance.userSessionId);
    }
    else {
      await this.setupService.informOwner(`UserBot 创建被跳过`);
    }
//      try {
//        const phoneNumber = await this.setupService.waitForOwnerInput('创建 Telegram UserBot，请输入你的手机号码（需要带国家区号，例如：+86）');
//        await this.setupService.informOwner('正在登录，请稍候…');
//        this.tgUser = await this.setupService.createUserBot(phoneNumber);
//        this.instance.userSessionId = this.tgUser.sessionId;
//        await this.setupService.informOwner(`登录成功`);
//      }
//      catch (e) {
//        this.log.error('创建 UserBot 失败', e);
//        this.isInProgress = false;
//        throw e;
//      }
  }

  private async finishSetup() {
    this.tgBot.removeNewMessageEventHandler(this.handleMessage);
    this.isInProgress = false;
    await this.setupService.finishConfig();
    this.waitForFinishCallbacks.forEach(e => e({
      oicq: this.oicq,
    }));
  }

  public waitForFinish() {
    return new Promise<{ oicq: OicqClient }>(resolve => {
      this.waitForFinishCallbacks.push(resolve);
    });
  }
}