"use strict"; require("dotenv").config();



//  P A C K A G E S

const async = require("async");
const html = require("choo-async/html");
const local = require("app-root-path").require;
const octokit = require("@octokit/rest")();
const redis = require("redis");

//  V A R I A B L E S

if (typeof process.env.GITHUB_OAUTH_TOKEN !== "undefined") {
  octokit.authenticate({
    type: "oauth",
    token: process.env.GITHUB_OAUTH_TOKEN
  });
}

const logSlackError = local("/helpers/slack");
let redisClient;

// process.env.NODE_ENV === "development" ? "" : redisClient = redis.createClient(process.env.REDISCLOUD_URL);
redisClient = redis.createClient(process.env.REDISCLOUD_URL);



//  P R O G R A M

const githubFeed = () => async (state, emit) => { // eslint-disable-line
  /* process.env.NODE_ENV === "development" ? "" : */ redisClient.zrevrange("events", 0, 9, (err, reply) => {
    if (err) return;
    const events = [];

    reply.forEach(item => events.push(JSON.parse(item)));
    console.log(events);
    return events;
    // res.json(events); // respond with JSON
  });

  /*
  return html`
    <article class="page" itemtype="http://schema.org/BlogPosting">
      <header class="page__header">
        <div class="page__header-wrap">
          <div class="inner-wrap">
            <h1 class="page__header__title" itemprop="name headline">Resources</h1>
          </div>
        </div>
      </header>

      <section class="page__content" itemprop="articleBody">
        <div class="inner-wrap">
          <h2>Whitepaper</h2>
          <h4>LBRY: A Decentralized Digital Content Marketplace</h4>
          <p>Some info here about the whitepaper and <a href="/whitepaper.html">a link</a>.</p>

          <h2>API Specification</h2>
          <h4>All of our APIs, in one place</h4>

          <h3>chainquery</h3>
          <ul>
            <li><a href="https://github.com/lbryio/chainquery">Codebase</a></li>
            <li><a href="">OpenAPI signature</a></li>
          </ul>

          <h3>lbry</h3>
          <ul>
            <li><a href="https://lbry.io/api">Codebase</a></li>
            <li><a href="/resources/lbry.html">OpenAPI signature</a></li>
          </ul>

          <h3>lbrycrd</h3>
          <ul>
            <li><a href="https://github.com/lbryio/lbrycrd">Codebase</a></li>
            <li><a href="/resources/lbrycrd.html">OpenAPI signature</a></li>
          </ul>

          <h3>Lighthouse</h3>
          <ul>
            <li><a href="https://lbryio.github.io/lighthouse">Codebase</a></li>
            <li><a href="">OpenAPI signature</a></li>
          </ul>

          <h2>The Front Desk</h2>
          <h4>Latest news and musings from the LBRY team</h4>

          <ul class="blog-posts">
            <li class="blog-post">
              <a class="blog-post__title" href="https://lbry.io/news/we-are-hiring-our-boss">We're Hiring Our Boss</a>
              <div class="blog-post__meta">
                <span class="blog-post__meta__date">2018/05/11</span>
                <span class="blog-post__meta__author">Samuel Bryan</span>
              </div>
            </li>

            <li class="blog-post">
              <a class="blog-post__title" href="https://lbry.io/news/lbry-development-community-update-apr-2018">Development and Community Update April 2018</a>
              <div class="blog-post__meta">
                <span class="blog-post__meta__date">2018/05/04</span>
                <span class="blog-post__meta__author">Samuel Bryan</span>
              </div>
            </li>

            <li class="blog-post">
              <a class="blog-post__title" href="https://lbry.io/news/imineblocks">Hey, mine your own business!</a>
              <div class="blog-post__meta">
                <span class="blog-post__meta__date">2018/04/05</span>
                <span class="blog-post__meta__author">Reilly Smith</span>
              </div>
            </li>

            <li class="blog-post">
              <a class="blog-post__title" href="https://lbry.io/news/lbry-development-community-update-mar-2018">Development and Community Update March 2018</a>
              <div class="blog-post__meta">
                <span class="blog-post__meta__date">2018/04/03</span>
                <span class="blog-post__meta__author">Tom Zarebczan</span>
              </div>
            </li>

            <li class="blog-post">
              <a class="blog-post__title" href="https://lbry.io/news/if-you-still-havent-found-what-youre-searching-for">If you still haven't found what you're searching for...</a>
              <div class="blog-post__meta">
                <span class="blog-post__meta__date">2018/03/22</span>
                <span class="blog-post__meta__author">Brinck Slattery</span>
              </div>
            </li>
          </ul>
        </div>
      </section>
    </article>

    <script>
      // TODO: make this happen in components/layout
      document.getElementsByTagName("body")[0].classList.add("resources"); // documentation
    </script>
  `;
  */
};

function updateGithubFeed() {
  octokit.activity.getEventsForOrg({
    org: "lbryio",
    per_page: 20,
    page: 1
  }).then(({ data }) => {
    async.eachSeries(data, (item, callback) => {
      const eventString = JSON.stringify(item);

      redisClient.zrank("events", eventString, (err, reply) => {
        if (reply === null) redisClient.zadd("events", item.id, eventString, callback);
        else callback();
      });
    }, () => {
      // Keep the latest 50 events
      redisClient.zremrangebyrank("events", 0, -51);
    });
  }).catch(err => {
    logSlackError("ERROR: Unable to update Github feed:\n", "```" + JSON.stringify(err) + "```");
  });
}



//  E X P O R T

module.exports = exports = githubFeed;