class TrackController < ApplicationController
  require 'net/http'
  require 'uri'
  
  @@token_salt = '8FW*W#dWOH*FHW4j:Q@RQ{Qo[qF;fw0`0w4fkl'
  
  def listen
    pp track = Track.where(:id => params[:id].to_i).first
    
    data = Vkontakte.get(track.artist_name, track.name, (track.length / 1000).round)
    # data = Vkontakte.get(1, 1, 1)
    url = URI.parse(data['url'])
    token = Digest::SHA256.hexdigest(params[:id] << @@token_salt)
    nginx_url = '/proxy-stream/' << token << '/' << data['remixsid'] << '/' << '5' << '/' << url.host << url.path

    headers['Content-Type'] = 'audio/mpeg'
    headers['X-Accel-Redirect'] = nginx_url
    render :nothing => true
  end
end