ActiveAdmin.register Post do
    menu false
  end

ActiveAdmin.register Report do
  config.sort_order = 'position_asc'
  config.paginate = false

  index do
    column :id
    column :name
    column :category do |report|
      report.report_category.full_name if report.report_category.present?
    end
    column :sample
    column :file
    default_actions
  end

  form :html => { :enctype => "multipart/form-data" } do |f|
    f.inputs "Details" do
      f.input :report_type, :as => :radio, :collection => [['CSV', 'csv'], ['Download', 'download']]
      f.input :name
      f.input :sample
      f.input :report_category
      f.input :file, :as => :file
      f.input :html_text
    end
    if f.object.file? && f.object.report_type == 'csv'
      f.inputs "Sorting" do
        f.input :sort_field, :as => :select, :collection => CSV.parse(open(f.object.file.url)).first
        f.input :sort_order, :as => :select, :collection => [['Ascending', 'asc'], ['Descending', 'desc']]
      end
    end
    f.buttons
  end

  collection_action :sort, :method => :post do
    params[:report].each_with_index do |id, index|
      Report.update_all(['position=?', index+1], ['id=?', id])
    end
    render :nothing => true
  end
end