class Admin::PagesController < Admin::BaseController
  include Beef::Pages::HelperMethods
  helper_method :get_template_names

  def index
    if params[:page_id].nil?
      @pages = Page.top
    else
      @parent = Page.find(params[:page_id])
      @pages = @parent.children
    end

    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @pages }
    end
  end

  def show
    @page = Page.find(params[:id])

    respond_to do |format|
      format.html # show.html.erb
      format.xml  { render :xml => @page }
    end
  end

  def new

    if params[:page_id].nil?
      flash[:notice] = 'Unspecified parent page.'
      redirect_to(admin_pages_url)
    else
      @page = Page.new( :parent_id => params[:page_id] )
      render :action => 'show'
    end
  end

  def edit
    @page = Page.find(params[:id])
  end

  def create
    @page = Page.new(params[:page])
    @page.updated_by = @page.created_by = current_user

    respond_to do |format|
      if @page.save
        flash[:notice] = 'Page was successfully created.'
        format.html {
          if @page.parent.nil?
            redirect_to(admin_pages_url)
          else
            redirect_to(admin_page_pages_url(@page.parent))
          end
        }
        format.xml  { render :xml => @page, :status => :created, :location => @page }
      else
        format.html { render :action => "show" }
        format.xml  { render :xml => @page.errors, :status => :unprocessable_entity }
      end
    end
  end

  def update
    @page = Page.find(params[:id])
    @page.updated_by = current_user

    respond_to do |format|
      if @page.update_attributes(params[:page])
        flash[:notice] = 'Page was successfully updated.'
        format.html {
          if @page.parent.nil?
            redirect_to(admin_pages_url)
          else
            redirect_to(admin_page_pages_url(@page.parent))
          end
        }
        format.xml  { head :ok }
      else
        format.html { render :action => "show" }
        format.xml  { render :xml => @page.errors, :status => :unprocessable_entity }
      end
    end
  end

  def destroy
    @page = Page.find(params[:id])
    if @page.lock_level >0
      flash[:notice] = 'This Page is locked.'
      redirect_to(:back)
    else
      @page.destroy

      respond_to do |format|
        format.html {
            flash[:notice] = 'Page was successfully deleted.'
            if params[:page].nil?
              redirect_to(admin_pages_url)
            else
              redirect_to(admin_page_pages_url(@page.parent))
            end
        }
        format.xml  { head :ok }
      end
    end
  end

  def preview
    preview_params = params[:page]
    page = Page.find_by_id(params[:id])
    preview_params.reverse_merge!(page.attributes) if page
    session[:page_preview] = preview_params
  end

  def move_up
    Page.find(params[:id]).move_higher
    redirect_to :back
  end

  def move_down
    Page.find(params[:id]).move_lower
    redirect_to :back
  end

end