import

#!/usr/bin/env node

const fs = require('fs');
const path = require('path');
const emojme = require('emojme');
const Slack = require('slack-node');

require('dotenv-safe').config()

const dir = 'emoji';
const subdomain = process.env.SLACK_SUBDOMAIN;
const token = process.env.SLACK_TOKEN;
const channel = process.env.SLACK_CHANNEL || '#general';

const slack = new Slack(token);

const isImage = f => new Set(['.png', '.jpg', '.jpeg', '.gif']).has(path.extname(f));

fs.readdir(dir, (err, files) => {
  emojme.add(subdomain, token, {
    bustCache: true,
    src: files.filter(isImage).map(file => path.join(dir, file)),
  }).then(results => {
    const uploaded = results[subdomain].emojiList;
    const errors = results[subdomain].errorList;

    const successful = uploaded.filter(file => {
      return !errors.find(errored => errored.name === file.name);
    });

    if (successful.length) {
      const text = successful.map(e => `:${e.name}: (${e.name})`).join(' ');

      slack.api('chat.postMessage', {
        text: `New Emoji: ${text}`,
        channel: channel
      }, (err, response) => {
        err && console.error(err);
      });
    }

    if (errors.length) {
      // This should cause the CI to fail
      process.exit(1);
    }
  });
});