/*****************************************************************************\
|                                               ( )_  _                       |
|    _ _    _ __   _ _    __    ___ ___     _ _ | ,_)(_)  ___   ___     _     |
|   ( '_`\ ( '__)/'_` ) /'_ `\/' _ ` _ `\ /'_` )| |  | |/',__)/' _ `\ /'_`\   |
|   | (_) )| |  ( (_| |( (_) || ( ) ( ) |( (_| || |_ | |\__, \| ( ) |( (_) )  |
|   | ,__/'(_)  `\__,_)`\__  |(_) (_) (_)`\__,_)`\__)(_)(____/(_) (_)`\___/'  |
|   | |                ( )_) |                                                |
|   (_)                 \___/'                                                |
|                                                                             |
| General Bots Copyright (c) Pragmatismo.io. 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.                         |
|                                                                             |
| "General Bots" is a registered trademark of Pragmatismo.io.                 |
| 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.                                     |
|                                                                             |
\*****************************************************************************/

"use strict";

import { Length } from "sequelize-typescript";
import {
  CardAction,
  HeroCard,
  CardImage,
  BotAdapter,
  CardFactory,
  MessageFactory
} from "botbuilder";
import { IGBDialog } from "botlib";
import { GBMinInstance } from "botlib";
import { AzureText } from "pragmatismo-io-framework";
import { GuaribasSubject } from '../models';
import { KBService } from "../services/KBService";

const UrlJoin = require("url-join");
const WaitUntil = require("wait-until");

export class MenuDialog extends IGBDialog {

  static setup(bot: BotAdapter, min: GBMinInstance) {

    var service = new KBService();

    bot
    min.dialogs.add("/menu", [
      async (dc, args) => {
        var rootSubjectId = null;
        var botId = min.botId;

        // var msg = dc.message; TODO: message from Where in V4?
        // if (msg.attachments && msg.attachments.length > 0) {
        //   var attachment = msg.attachments[0];         
        // }


        if (args && args.data) {
          var subject = JSON.parse(args.data); // ?

          if (subject.to) {
            let dialog = subject.to.split(":")[1];
            dc.replace("/" + dialog);
            dc.end();
            return;
          }
          const user = min.userState.get(dc.context);
          user.subjects.push(subject);
          rootSubjectId = subject.subjectId;

          if (user.subjects.length > 0) {

            service.getFaqBySubjectArray(
              "menu",
              user.subjects,
              (data, err) => {
                min.conversationalService.sendEvent(dc, "play", {
                  playerType: "bullet",
                  data: data.slice(0, 6)
                });
              }
            );
          }
        } else {
          const user = min.userState.get(dc.context);
          user.subjects = [];

          WaitUntil()
            .interval(2000)
            .times(1)
            .condition(function (cb) {
              return false;
            })
            .done(function (result) {
              let messages = [
                "Aqui estão algumas categorias de assuntos...",
                "Selecionando o assunto você pode me ajudar a encontrar a resposta certa...",
                "Você pode selecionar algum dos assuntos abaixo e perguntar algo..."
              ];
              dc.context.sendActivity(messages[0]); // TODO: Handle rnd.
            });

          user.isAsking = false;
        }

        const msg = MessageFactory.text('Greetings from example message');
        var attachments = [];

        service.getSubjectItems(
          min.instance.instanceId,
          rootSubjectId,
          data => {
            
            msg.attachmentLayout='carousel';
            

            data.forEach(function (item: GuaribasSubject) {

              var subject = item;

              var card = CardFactory.heroCard(
                subject.title,
                CardFactory.images([UrlJoin(
                  "/kb",
                  min.instance.kb,
                  "subjects",
                  subject.internalId + ".png" // TODO: or fallback to subject.png
                )]),
                CardFactory.actions([
                  {
                    type: 'postBack',
                    title: 'Selecionar',
                    value: JSON.stringify({
                      title: subject.title,
                      subjectId: subject.subjectId,
                      to: subject.to
                    })
                  }]));

              attachments.push(card);

            });

            if (attachments.length == 0) {
              const user = min.userState.get(dc.context);
              if (user.subjects && user.subjects.length > 0) {
                dc.context.sendActivity(
                  `Vamos pesquisar sobre ${KBService.getFormattedSubjectItems(
                    user.subjects
                  )}?`
                );
              }

              dc.replace("/ask", {});
            } else {
              msg.attachments = attachments;
              dc.context.sendActivity(msg);
            }
          }
        );
        const user = min.userState.get(dc.context);
        user.isAsking = true;
      },
      async (dc, value) => {
        var text = value;
        if (AzureText.isIntentNo(text)) {
          dc.replace("/feedback");
        } else {
          dc.replace("/ask");
        }
      }
    ]);
  }
}