class Muck::TopicsController < ApplicationController
  unloadable
  
  before_filter :adjust_format_for_iphone
  before_filter :check_terms, :except => [:new]
  before_filter :build_tag_feeds, :only => [:show, :rss_discovery]
  
  def show
    respond_to do |format|
      format.html do
        @opml_path = topic_path(params[:id], :service_ids => params[:service_ids], :format => 'opml')
        render :template => 'topics/show'
      end
      format.opml { render :template => 'topics/show' }
      format.iphone { render :template => 'topics/show' }
    end
  end

  def rss_discovery
    render :template => 'aggregations/rss_discovery'
  end

  def photos
    @terms = CGI.unescape(params[:id])
    @page_title = @title = @terms.titleize
    @photo_feeds = Service.build_photo_feeds(@terms, current_user, params[:service_ids])
    @number_of_images = 36
    respond_to do |format|
      format.html do
        render :template => 'topics/photos'
      end
      format.iphone { render :template => 'topics/photos' }
    end
  end
  
  def videos
    @terms = CGI.unescape(params[:id])
    @page_title = @title = @terms.titleize
    @videos_feeds = Service.build_video_feeds(@terms, current_user, params[:service_ids])
    @number_of_videos = 36
    respond_to do |format|
      format.html do
        render :template => 'topics/videos'
      end
      format.iphone { render :template => 'topics/videos' }
    end
  end
  
  def new
    @page_title = I18n.t('muck.raker.new_topic_title')
    @service_categories = ServiceCategory.sorted.find(:all, :include => [:tag_services])
    respond_to do |format|
      format.html { render :template => 'topics/new' }
    end
  end

  def create
    @terms = CGI.escape(params[:terms])
    respond_to do |format|
      format.html { redirect_to topic_path(@terms, :service_ids => params[:service_ids]) }
      format.opml { redirect_to topic_path(@terms, :service_ids => params[:service_ids], :format => 'opml') }
    end
  end
  
  protected
    
    def check_terms
      if params[:id].blank? && params[:terms].blank?
        flash[:error] = I18n.t('muck.raker.no_terms_error')
        redirect_to new_topic_path
      end
    end
    
    def build_tag_feeds
      @terms = CGI.unescape(params[:id])
      @page_title = @title = @terms.titleize
    
      @photo_feeds = Service.build_photo_feeds(@terms, current_user, params[:service_ids])
      @video_feeds = Service.build_video_feeds(@terms, current_user, params[:service_ids])
      @bookmark_feeds = Service.build_bookmark_feeds(@terms, current_user, params[:service_ids])
      @music_feeds = Service.build_music_feeds(@terms, current_user, params[:service_ids])
      @general_feeds = Service.build_general_feeds(@terms, current_user, params[:service_ids])

      @discovered_feeds = GoogleFeedRequest.find_feeds(@terms)

      @feeds = @photo_feeds + @video_feeds + @bookmark_feeds + @music_feeds + @general_feeds + @discovered_feeds
    
      @number_of_items = 6
      @number_of_images = 12
      @number_of_videos = 6
    end
    
end