class UserController < ApplicationController
  
  def auth
    return unless authorized?
    
    @res = {:status => 'hello', :newbie => false}
    user = User.find_by_vkid(params[:mid])
    if user.nil?
      user = User.new
      user.vkid = params[:mid]
      user.lang = 'ru'
      user.save
      @res[:newbie] = true
    end
    session = Session.find_or_create_by_user_id(user.id)
    session.key = Digest::SHA256.hexdigest(rand(99999999).to_s + user.id.to_s + rand(99999999).to_s)
    session.save
    
    @res[:user] = {
      :id => user.id,
      :name => user.name,
      :email => user.email,
      :vkid => user.vkid,
      :lang => user.lang,
      :lastfm_username => user.lastfm_username
    }
    unless user.lastfm_username
      @res[:lastfm_login_url] = 'http://www.last.fm/api/auth?api_key='+ LastFmController.api_key +
        '&cb=http://'+ request.host << '/lastfm/connect/?sid='+ user.session.key
    end
    
    render :json => @res
  end
  
  def settings
    return unless authorized?
    @user = User.find_by_vkid(params[:mid])
    render :partial => 'settings'
  end
  
  def update
    return unless authorized?
    @res = {}
    
    user = User.find_by_vkid(params[:mid])
    unless params[:username].nil? or params[:email].nil?
      user.name = params[:username]
      user.email = params[:email]
      user.lang = params[:lang] if ['ru', 'en'].include? params[:lang]
      user.save
    end
    @res[:user] = {
      :id => user.id,
      :name => user.name,
      :email => user.email,
      :vkid => user.vkid,
      :lang => user.lang,
      :lastfm_username => user.lastfm_username
    }
    unless user.lastfm_username
      @res[:lastfm_login_url] = 'http://www.last.fm/api/auth?api_key='+ LastFmController.api_key +
        '&cb=http://'+ request.host << '/lastfm/connect/?sid='+ user.session.key
    end
    
    render :json => @res
  end
  
  def fav
    return unless authorized?
    @res = {status: 'fail'}
    
    fav = Favorite.new
    if not params[:artist].nil?
      artist = Artist.find(params[:artist]);
      unless artist.nil?
        fav.artist_id = artist.id
        res[:status] = 'added'
      end
    elsif not params[:album].nil?
      album = Album.find(params[:album]);
      unless album.nil?
        fav.album_id = album.id
        res[:status] = 'added'
      end
    elsif not params[:track].nil?
      track = Track.find(params[:track]);
      unless track.nil?
        fav.track_id = track.id
        res[:status] = 'added'
      end
    end
    
    render :json => @res
  end
  
end