SysMO-DB/seek

class StudiedFactorsController < ApplicationController
  include Seek::FactorStudied
  include Seek::AnnotationCommon
  include Seek::AssetsCommon

  before_filter :login_required
  before_filter :find_data_file_auth
  before_filter :create_new_studied_factor, :only=>[:index]
  before_filter :no_comma_for_decimal, :only=>[:create, :update]

  include Seek::BreadCrumbs

  def index
    respond_to do |format|
      format.html
      format.xml {render :xml=>@data_file.studied_factors}
    end
  end

  def create
    @studied_factor=StudiedFactor.new(params[:studied_factor])
    @studied_factor.data_file=@data_file
    @studied_factor.data_file_version = params[:version]
    new_substances = params[:substance_autocompleter_unrecognized_items] || []
    known_substance_ids_and_types = params[:substance_autocompleter_selected_ids] || []
    substances = find_or_new_substances new_substances,known_substance_ids_and_types

    substances.each do |substance|
      @studied_factor.studied_factor_links.build(:substance => substance )
    end

    update_annotations(@studied_factor, 'description') if try_block{!params[:annotation][:value].blank?}

    render :update do |page|
      if @studied_factor.save
          page.insert_html :bottom,"condition_or_factor_rows",:partial=>"condition_or_factor_row",:object=>@studied_factor,:locals=>{:asset => 'data_file', :show_delete=>true}
          page.visual_effect :highlight,"condition_or_factor_rows"
          # clear the _add_factor form
          page.call "autocompleters['substance_autocompleter'].deleteAllTokens"
          page[:add_condition_or_factor_form].reset
          page[:substance_condition_factor].hide
          page[:growth_medium_or_buffer_description].hide
      else
          page.alert(@studied_factor.errors.full_messages)
      end
    end
  end

  def create_from_existing
    studied_factor_ids = []
    new_studied_factors = []
    #retrieve the selected FSes

    params.each do |key, value|
       if key.match('checkbox_')
         studied_factor_ids.push value.to_i
       end
    end
    #create the new FSes based on the selected FSes
    studied_factor_ids.each do |id|
      studied_factor = StudiedFactor.find(id)
      new_studied_factor = StudiedFactor.new(:measured_item_id => studied_factor.measured_item_id, :unit_id => studied_factor.unit_id, :start_value => studied_factor.start_value,
                                             :end_value => studied_factor.end_value, :standard_deviation => studied_factor.standard_deviation)
      new_studied_factor.data_file=@data_file
      new_studied_factor.data_file_version = params[:version]
      studied_factor.studied_factor_links.each do |sfl|
         new_studied_factor.studied_factor_links.build(:substance => sfl.substance)
      end
      params[:annotation] = {}
      params[:annotation][:value] = try_block{Annotation.for_annotatable(studied_factor.class.name, studied_factor.id).with_attribute_name('description').first.value.text}
      update_annotations(new_studied_factor, 'description', false) if try_block{!params[:annotation][:value].blank?}

      new_studied_factors.push new_studied_factor
    end

    render :update do |page|
      new_studied_factors.each do  |sf|
        if sf.save
          page.insert_html :bottom,"condition_or_factor_rows",:partial=>"studied_factors/condition_or_factor_row",:object=>sf,:locals=>{:asset => 'data_file', :show_delete=>true}
        else
          page.alert("can not create factor studied: item: #{try_block{sf.substances.collect{|s| s.title + '/'}}} #{sf.measured_item.title}, values: #{sf.start_value}-#{sf.end_value}#{sf.unit.title}, SD: #{sf.standard_deviation}")
        end
      end
      page.visual_effect :highlight,"condition_or_factor_rows"
    end
  end

  def destroy
    @studied_factor=StudiedFactor.find(params[:id])
    render :update do |page|
      if @studied_factor.destroy
         page.visual_effect :fade, "condition_or_factor_row_#{@studied_factor.id}"
         page.visual_effect :fade, "edit_condition_or_factor_#{@studied_factor.id}_form"
      else
        page.alert(@studied_factor.errors.full_messages)
      end
    end
  end

  def update
    @studied_factor = StudiedFactor.find(params[:id])

    new_substances = params["#{@studied_factor.id}_substance_autocompleter_unrecognized_items"] || []
    known_substance_ids_and_types = params["#{@studied_factor.id}_substance_autocompleter_selected_ids"] || []
    substances = find_or_new_substances new_substances,known_substance_ids_and_types

    #delete the old studied_factor_links
    @studied_factor.studied_factor_links.each do |sfl|
      sfl.destroy
    end

    #create the new studied_factor_links
    studied_factor_links = []
    substances.each do |substance|
      studied_factor_links.push StudiedFactorLink.new(:substance => substance)
    end
    @studied_factor.studied_factor_links = studied_factor_links

    update_annotations(@studied_factor, 'description') if try_block{!params[:annotation][:value].blank?}

    render :update do |page|
      if  @studied_factor.update_attributes(params[:studied_factor])
        page.visual_effect :fade,"edit_condition_or_factor_#{@studied_factor.id}_form"
        page.call "autocompleters['#{@studied_factor.id}_substance_autocompleter'].deleteAllTokens"
        page.replace "condition_or_factor_row_#{@studied_factor.id}", :partial => 'condition_or_factor_row', :object => @studied_factor, :locals=>{:asset => 'data_file', :show_delete=>true}
      else
        page.alert(@studied_factor.errors.full_messages)
      end
    end
  end

  private

  def find_data_file_auth
    begin
      data_file = DataFile.find(params[:data_file_id])
      if data_file.can_edit? current_user
        @data_file = data_file
        find_display_asset @data_file
      else
        respond_to do |format|
          flash[:error] = "You are not authorized to perform this action"
          format.html { redirect_to data_files_path }
        end
        return false
      end
    rescue ActiveRecord::RecordNotFound
      respond_to do |format|
        flash[:error] = "Couldn't find the Data file"
        format.html { redirect_to data_files_path }
      end
      return false
    end
  end

  def create_new_studied_factor
    @studied_factor=StudiedFactor.new(:data_file=>@data_file)
  end

end