discord-ink.js

const { Client, RichEmbed } = require('discord.js');
const client = new Client();

const { Story } = require('inkjs');
const fs = require('fs');

const { Pool } = require('pg');
const pool = new Pool({
    user: 'me',
    host: 'localhost',
    database: 'api',
    password: 'password',
    port: 5432,
});

const inkFile = fs.readFileSync('./intercept.ink.json', 'UTF-8').replace(/^\uFEFF/, '');

function backupStoryState(uid, state) {
    const query = ['INSERT INTO user_progress (uid, state)',
                   'VALUES($1, $2)',
                   'ON CONFLICT (id) DO UPDATE',
                   'SET state = EXCLUDED.state'];

    return pool.connect().then(client => {
        return client.query({
            name: 'backup-story-state',
            text: query.join('\n'),
            values: [uid, state.jsonToken],
        });
    });
}

function recoverStoryState(uid, state) {
    return pool.connect().then(client => {
        return client.query({
            name: 'recover-story-state',
            text: 'SELECT state FROM user_progress WHERE uid = $1',
            values: [uid],
            rowMode: 'array',
        }).then(res => res.rows[0][0]);
    }).then(jsonToken => {
        const snapshot = state.Copy();
        snapshot.jsonToken = jsonToken;
        return snapshot;
    });
}

function recoverStoryState(uid, state) {
    return pool.connect().then(client => {
        return client.query({
            name: 'recover-story-state',
            text: 'SELECT state FROM user_progress WHERE uid = $1',
            values: [uid],
            rowMode: 'array',
        }).then(res => res.rows[0][0]);
    }).then(jsonToken => {
        state.jsonToken = jsonToken;
        return snapshot;
    });
}

function choicesToEmbed(choices) {
    const re = new RichEmbed().setTitle('Choices').setColor(0xFF0000);
    
    return choices.reduce((re, choice, idx) =>
        re.addField(idx.toString(), choice), re);
}

// create a new story
//const myStory = new Story(inkFile);

client.on('ready', () => {
  console.log(`Logged in as ${client.user.tag}!`);
});

client.on('message', msg => {
  if (msg.content === 'ping') {
    msg.reply('pong');
  }
});

client.login('token');