dyaskur / google-chat-poll

import PollCard from './PollCard';

import {LocaleTimezone, PollState, Voter} from '../helpers/interfaces';

import {chat_v1 as chatV1} from '@googleapis/chat';

import {progressBarText} from '../helpers/vote';

export default class PollDialogCard extends PollCard {

  private readonly voter: Voter;

  private userVotes: number[] | undefined;

  constructor(state: PollState, timezone: LocaleTimezone, voter: Voter) {

    super(state, timezone);

    this.voter = voter;

  }

  create() {

    this.buildHeader();

    this.buildSections();

    this.buildButtons();

    this.buildFooter();

    this.card.name = this.getSerializedState();

    return this.card;

  }

  getUserVotes(): number[] {

    if (this.state.votes === undefined) {

      return [];

    }

    const votes = [];

    const voter = this.voter;

    for (let i = 0; i < this.state.choices.length; i++) {

      if (this.state.votes[i] !== undefined && this.state.votes[i].findIndex((x) => x.uid === voter.uid) > -1) {

        votes.push(i);

      }

    }

    return votes;

  }

  choice(index: number, text: string, voteCount: number, totalVotes: number): chatV1.Schema$GoogleAppsCardV1Widget {

    this.userVotes = this.getUserVotes();

    const progressBar = progressBarText(voteCount, totalVotes);

    const voteSwitch: chatV1.Schema$GoogleAppsCardV1SwitchControl = {

      'controlType': 'SWITCH',

      'name': 'mySwitchControl',

      'value': 'myValue',

      'selected': this.userVotes.includes(index),

      'onChangeAction': {

        'function': 'switch_vote',

        'parameters': [

          {

            key: 'index',

            value: index.toString(10),

          },

        ],

      },

    };

    return {

      decoratedText: {

        'bottomLabel': `${progressBar} ${voteCount}`,

        'text': text,

        'switchControl': voteSwitch,

      },

    };

  }

}