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| General Bots Copyright (c) pragmatismo.cloud. All rights reserved.          |
| Licensed under the AGPL-3.0.                                                |
|                                                                             |
| According to our dual licensing model, this program can be used either      |
| under the terms of the GNU Affero General Public License, version 3,        |
| or under a proprietary license.                                             |
|                                                                             |
| The texts of the GNU Affero General Public License with an additional       |
| permission and of our proprietary license can be found at and               |
| in the LICENSE file you have received along with this program.              |
|                                                                             |
| This program is distributed in the hope that it will be useful,             |
| but WITHOUT ANY WARRANTY, without even the implied warranty of              |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                |
| GNU Affero General Public License for more details.                         |
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| "General Bots" is a registered trademark of pragmatismo.cloud.              |
| The licensing of the program under the AGPLv3 does not imply a              |
| trademark license. Therefore any rights, title and interest in              |
| our trademarks remain entirely with us.                                     |
|                                                                             |
\*****************************************************************************/

/**
 * @fileoverview General Bots server core.
 */

'use strict';

import { GBDialogStep, GBLog, GBMinInstance, IGBCoreService, IGBPackage } from 'botlib';
import { GuaribasSchedule } from '../core.gbapp/models/GBModel.js';
import { Sequelize } from 'sequelize-typescript';
import Koa from 'koa';
import cors from '@koa/cors';
import { createKoaHttpMiddleware } from '@push-rpc/http';
import { GBServer } from '../../src/app.js';
import { SocketServer } from '@push-rpc/core';
import * as koaBody from 'koa-body';
import ratelimit from 'koa-ratelimit';

export function createKoaHttpServer(port: number, getRemoteId: (ctx: Koa.Context) => string, opts: {}): SocketServer {
  const { onError, onConnection, middleware } = createKoaHttpMiddleware(getRemoteId);

  const app = new Koa();

  // Apply the rate-limiting middleware
  app.use(
    ratelimit({
      driver: 'memory', // Use 'memory' for in-memory store
      duration: 60000, // 1 minute window
      errorMessage: 'Slow down your requests',
      id: ctx => ctx.ip, // Identify client by IP address
      headers: {
        remaining: 'X-RateLimit-Remaining',
        reset: 'X-RateLimit-Reset',
        total: 'X-RateLimit-Limit'
      },
      max: 100, // Limit each IP to 100 requests per window
      disableHeader: false
    })
  );

  app.use(cors({ origin: '*' }));
  app.use(koaBody.koaBody({ jsonLimit: '1024mb', textLimit: '1024mb', formLimit: '1024mb', multipart: true }));
  app.use(middleware);
  const server = app.listen(port);
  const SERVER_TIMEOUT = 60 * 60 * 24 * 1000; // Equals to client RPC set.
  server.timeout = SERVER_TIMEOUT;

  return {
    onError,
    onConnection,
    close(cb) {
      server.close(cb);
    }
  };
}

/**
 * Package for core.gbapp.
 */

export class GBBasicPackage implements IGBPackage {
  public sysPackages: IGBPackage[];
  public CurrentEngineName = 'guaribas-1.0.0';

  public async loadPackage(core: IGBCoreService, sequelize: Sequelize): Promise<void> {
    core.sequelize.addModels([GuaribasSchedule]);
  }

  public async getDialogs(min: GBMinInstance) {
    GBLog.verbose(`getDialogs called.`);
  }
  public async unloadPackage(core: IGBCoreService): Promise<void> {
    GBLog.verbose(`unloadPackage called.`);
  }
  public async unloadBot(min: GBMinInstance): Promise<void> {
    GBLog.verbose(`unloadBot called.`);
  }
  public async onNewSession(min: GBMinInstance, step: GBDialogStep): Promise<void> {
    GBLog.verbose(`onNewSession called.`);
  }
  public async onExchangeData(min: GBMinInstance, kind: string, data: any) {
    GBLog.verbose(`onExchangeData called.`);
  }
  public async loadBot(min: GBMinInstance): Promise<void> {
    const botId = min.botId;
    GBServer.globals.debuggers[botId] = {};
    GBServer.globals.debuggers[botId].state = 0;
    GBServer.globals.debuggers[botId].breaks = [];
    GBServer.globals.debuggers[botId].stateInfo = 'Stopped';
    GBServer.globals.debuggers[botId].childProcess = null;
    GBServer.globals.debuggers[botId].client = null;
    GBServer.globals.debuggers[botId].conversationId = null;
    GBServer.globals.debuggers[botId].watermarkMap = {};
  }
}