class AlbumsController < ApplicationController
  before_filter :check_public_access
  before_filter :require_role_admin, :only => [:untouched, :new, :create, :edit, :update, :destroy]
  
  def index
    if params[:tag_id]
      @albums = Album.find(:all, :conditions => [ "id IN ( SELECT DISTINCT photos.album_id FROM photos WHERE photos.id IN ( SELECT photo_id FROM photo_tags WHERE photo_tags.tag_id = :q) )", { :q => Tag.find( params[:tag_id] ).id } ], :order => 'title')
    elsif params[:q]
      #search = params[:q]
      #search = search.split("AND").map{|q|q.strip}
      #@albums = Album.find(:all, :select => 'DISTINCT albums.id, albums.title', :limit => 20, :conditions => {  :tags => {:title => search}}, :joins => 'LEFT OUTER JOIN photos ON albums.id = photos.album_id LEFT OUTER JOIN photo_tags ON photos.id = photo_tags.photo_id LEFT OUTER JOIN tags ON photo_tags.tag_id = tags.id', :order => "albums.title ASC" )
      #@albums = Album.find(:all, :select => 'DISTINCT album_id', :conditions => [ "title LIKE :q OR description LIKE :q OR id IN ( SELECT DISTINCT photos.album_id FROM photos WHERE photos.description LIKE :q OR photos.title LIKE :q OR photos.id IN ( SELECT photo_id FROM photo_tags LEFT OUTER JOIN tags ON photo_tags.tag_id = tags.id WHERE tags.title LIKE :q) )", { :q => '%' + params[:q] + '%' } ], :order => 'title')
      params[:q].split(" AND ").each {|q|
        qphotos = Photo.find(:all, :select => 'DISTINCT album_id', :conditions => [ "description LIKE :q OR title LIKE :q OR id IN ( SELECT photo_id FROM photo_tags LEFT OUTER JOIN tags ON photo_tags.tag_id = tags.id WHERE tags.title LIKE :q)", { :q => '%' + q + '%' } ])
        qalbums = Album.find(:all, :conditions => ['title LIKE :q OR description LIKE :q OR id IN (:ids)', { :ids => qphotos.map{|p|p.album_id}, :q => '%' + q + '%'  }], :order => 'title' )
        if @albums
          @albums = @albums & qalbums
        else
          @albums = qalbums
        end
      }
    else
      @albums = Album.find(:all, :order => 'title')
    end
    respond_to do |format|
      format.html
      format.json  { render :json => @albums }
      format.xml  { render :xml => @albums }
    end
  end

  def untouched
    @albums = Album.untouched()
    respond_to do |format|
      format.html
      format.json  { render :json => @albums }
      format.xml  { render :xml => @albums }
    end
  end
  
  def show
    @album = Album.find( params[:id])
    respond_to do |format|
      format.html
      format.json  { render :json => @album }
      format.xml  { render :xml => @album }
      format.pdf { render :pdf => @album.title }
    end
  end

  def new
    @album = Album.new
  end

  def create
    @album = Album.new(params[:album])

    if @album.save
      unless params[:collection_id].empty?
        @album.collections << Collection.find( params[:collection_id] )
      end
      flash[:notice] = "Album created!"
      redirect_to @album
    else
      render :action => :new
    end
  end

  def edit
    @album = Album.find( params[:id])
  end

  def update
    @album = Album.find( params[:id])
    if @album.update_attributes(params[:album])
      flash[:notice] = "Album updated!"
      redirect_to @album
    else
      render :action => :edit
    end
  end
  
  def destroy
    @album = Album.find( params[:id])
    if @album.destroy
      redirect_to albums_path
    else
      redirect_to @album
    end
  end
  
end