dyaskur / google-chat-poll

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 readonly userVotes: number[];

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

    super(state, timezone);

    this.voter = voter;

    this.userVotes = this.getUserVotes();

  }

  sectionInfo(): chatV1.Schema$GoogleAppsCardV1Section {

    const votedCount = this.userVotes.length;

    const voteLimit = this.state.voteLimit || this.state.choices.length;

    const voteRemaining = voteLimit - votedCount;

    let warningMessage = '';

    if (voteRemaining === 0) {

      warningMessage = 'Vote limit reached. Your vote will be overwritten.';

    }

    return {

      widgets: [

        {

          'decoratedText': {

            'text': `You have voted: ${votedCount} out of ${voteLimit} (remaining: ${voteRemaining})`,

            'wrapText': true,

            'bottomLabel': warningMessage,

          },

        },

      ],

    };

  }

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

    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,

      },

    };

  }

}