module GamificationPlugin::DashboardHelper

  def level_chart(target)

    content_tag(:div, :class => "level pie-chart", 'data-percent' => @target.gamification_plugin_level_percent) do
      content_tag :span, @target.level, :class => 'level-value'
    end
  end

  def score_point_class(point)
    point.num_points > 0 ? 'positive' : 'negative'
  end

  def score_point_category(point)
    HashWithIndifferentAccess.new(Merit::PointRules::AVAILABLE_RULES)[point.score.category][:description]
  end

  def ranking(target, from_date=nil, limit=10)
    # FIXME move these queries to profile model
    ranking = Profile.select('profiles.*, sum(num_points) as gamification_points, ROW_NUMBER() OVER(order by sum(num_points) DESC) as gamification_position').joins(:sash => {:scores => :score_points}).where(:type => target.class).order('sum(num_points) DESC').group('profiles.id')
    ranking = ranking.where("merit_score_points.created_at >= ?", from_date) if from_date.present?
    target_ranking = Profile.from("(#{ranking.to_sql}) profiles").where('profiles.id' => target.id).first
    ranking = ranking.limit(limit)

    render :partial => 'gamification/ranking', :locals => {:ranking => ranking, :target_ranking => target_ranking}
  end

end