let request = require('request');
let config = require('config');
let hasPerms = require('../helpers.js').hasPerms;
let inPrivate = require('../helpers.js').inPrivate;
let ChannelID = config.get('gitrelease').channel;

exports.commands = [
  'releasenotes' // command that is in this file, every command needs it own export as shown below
];

exports.releasenotes = {
  usage: '<desktop/android>',
  description: 'gets current release notes from GitHub, for either Desktop or Android',
  process: function(bot, msg, suffix) {
    let releaseType = suffix.toLowerCase();
    let releaseTypePost = null;

    if (releaseType === 'android post' || releaseType === 'desktop post') {
      releaseTypePost = releaseType.charAt(0).toUpperCase() + releaseType.slice(1, 7);
      console.log('Post message detected ' + releaseTypePost);
    }
    let releaseTypeName = releaseType.charAt(0).toUpperCase() + releaseType.slice(1);
    if (releaseType !== 'android' && releaseType !== 'desktop' && releaseType !== 'android post' && releaseType !== 'desktop post') {
      msg.reply('Please specify which release notes to display: "desktop" or "android".');
      return;
    }
    const headers = {
      'Content-Type': 'application/json',
      'User-Agent': 'Super Agent/0.0.1'
    };
    // Configure the request
    let options;
    if (releaseTypePost !== null) {
      options = {
        url: 'https://api.github.com/repos/lbryio/lbry-' + releaseTypePost + '/releases/latest',
        method: 'GET',
        headers: headers
      };
    } else {
      console.log('Release being sent: ' + releaseTypeName);
      options = {
        url: 'https://api.github.com/repos/lbryio/lbry-' + releaseTypeName + '/releases/latest',
        method: 'GET',
        headers: headers
      };
    }
    // Start the request
    let message;
    request(options, function(error, response, body) {
      let json = JSON.parse(body);
      let releasemessage = json.body;
      //console.log(releasemessage);
      let releasename = json.name || json.tag_name;
      let releasedate = json.published_at;
      let releaseurl = json.html_url;
      if (releasemessage.length < 2000) {
        message = {
          embed: {
            title: '*Download ' + releasename + ' here!*',
            description: releasemessage.replace('###', ''),
            url: releaseurl,
            color: 7976557,
            timestamp: releasedate,
            author: {
              name: 'LBRY ' + releaseType + ' release notes for ' + releasename,
              icon_url: 'https://spee.ch/b/Github-PNG-Image.png'
            },
            footer: {
              icon_url: 'https://spee.ch/2/pinkylbryheart.png',
              text: 'LBRY ' + releaseType + ' updated '
            }
          }
        };
        if (inPrivate(msg)) {
          msg.channel.send(message);
          return;
        }
        if ((hasPerms(msg) && suffix === 'android post') || (hasPerms(msg) && suffix === 'desktop post')) {
          bot.channels
            .fetch(ChannelID)
            .then(channel => channel.send(message))
            .catch(console.error);
        } else {
          let authorMention = msg.author.toString();
          msg.channel.send(`${authorMention}, Release notes sent via DM`);
          msg.author.send(message);
        }
      } else {
        message = releasemessage
          .trim()
          .split('###')
          .filter(function(n) {
            return n !== '';
          });
        let embedmessages = [];
        for (let i = 0; i < message.length; i++) {
          if (message[i]) {
            embedmessages.push({
              embed: {
                description: message[i],
                url: releaseurl,
                color: 7976557,
                timestamp: releasedate,
                author: {
                  name: 'LBRY ' + releaseTypeName + ' release notes for ' + releasename,
                  icon_url: 'https://spee.ch/b/Github-PNG-Image.png'
                },
                footer: {
                  icon_url: 'https://spee.ch/2/pinkylbryheart.png',
                  text: 'LBRY ' + releaseTypeName + ' updated '
                }
              }
            });
            if (i === 0) embedmessages[i].embed.title = '*Download ' + releasename + ' here!*';
          }
        }
        if (inPrivate(msg)) {
          for (let i = 0; i < embedmessages.length; i++) {
            msg.channel.send(embedmessages[i]);
          }
          return;
        }
        if ((hasPerms(msg) && suffix === 'android post') || 'desktop post') {
          for (let i = 0; i < embedmessages.length; i++) {
            bot.channels.get(ChannelID).send(embedmessages[i]);
          }
        } else {
          msg.channel.send(msg.author + ' Release notes sent via DM');
          for (let i = 0; i < embedmessages.length; i++) {
            msg.author.send(embedmessages[i]);
          }
        }
      }
    });
  }
};