nowplaying.coffee

# Description:
#   Nowplaying queries music services to report what is playing at the moment (and recently)
#
# Dependencies:
#   "xml2js": "0.1.14"
#
# Configuration:
#   None
#
# Commands:
#   what's playing - Find out what's playing on Radio Paradise
#   hubot what's playing
#   what played before - Find out what played before the current track on Radio Paradise
#   hubot what played before

xml2js = require "xml2js"

nowPlaying = (msg) ->
  query = encodeURIComponent(msg.match[1])
  msg.http("http://radioparadise.com/xml/now.xml")
    .get() (err, res, body) ->
      if res.statusCode is 200 and !err?
        parser = new xml2js.Parser()
        parser.parseString body, (err, result) ->
          if result.playlist and (result = result.playlist).song?
            if result.song.length?
              song = result.song[0]
            else
              song = result.song
            msg.send "*#{song.title}* by _#{song.artist}_ is currently playing on Radio Paradise: #{song.coverart} What are people saying about this song? http://www.radioparadise.com/rp_2.php#name=Music&file=songinfo&song_id=#{song.songid}"

thenPlaying = (msg) ->
  query = encodeURIComponent(msg.match[1])
  msg.http("http://radioparadise.com/xml/now_4.xml")
    .get() (err, res, body) ->
      if res.statusCode is 200 and !err?
        parser = new xml2js.Parser()
        i = 0
        parser.parseString body, (err, result)->
          if result.playlist
            for song in result.playlist.song
              if i++>0
                msg.send "*#{song.title}* by _#{song.artist}_"


module.exports = (robot) ->
  robot.hear /^what.*(playing|on the radio|on radio)/i, (msg) ->
    nowPlaying(msg)

  robot.respond /what.*(playing|on the radio|on radio)/i, (msg) ->
    nowPlaying(msg)

  robot.hear /^what (played|was) before/i, (msg) ->
    thenPlaying(msg)

  robot.respond /what (played|was) before/i, (msg) ->
    thenPlaying(msg)