class ComponentsController < ApplicationController
  skip_before_filter :verify_authenticity_token
  before_action :check_admin

  layout "ka_application"

  def index
  end

  def create
    Component.create(name: params[:name])
    redirect_to :back
  end

  def edit
    @component = Component.find(params[:id])
  end

  def update
    component = Component.find(params[:id])
    component.update(name: params[:name])
    redirect_to components_path
  end

  def destroy

    if !TopicComponent.where(component_id: params[:id]).empty?
    @top = TopicComponent.where(component_id: params[:id])
    @top.find_each do |t|
        t.destroy
    end
    end

    #TopicComponent.where("component_id = ?",params[:id]).destroy
    Component.find(params[:id]).destroy
    redirect_to :back
  end

  def attach
    mas = []
    $out = []
    mas.push(params[:topic_id].to_i)
    limit = params[:rad].to_i
    f = params[:flag].to_i
    count = 0
    if (f == 0)
        while count < limit
        for i in 0..mas.length - 1
            KaTopic.where("id = ? OR parent_id = ?", mas[i], mas[i]).find_each do |top|
                if !TopicRelation.where(ka_topic_id: top.id, related_topic_id: top.parent_id, rel_type: params[:rel]).empty? || !TopicRelation.where(ka_topic_id: top.parent_id, related_topic_id: top.id, rel_type: params[:rel]).empty?
                    mas.push(top.id)
                    mas.push(top.parent_id)
                    mas.uniq
                end
                end
        end
        count = count + 1
        end

        mas = mas.uniq
        for i in 0..mas.length
            if TopicComponent.where(ka_topic_id: mas[i], component_id: params[:component_id]).empty? && !params[:component_id].nil?
              TopicComponent.create(ka_topic_id: mas[i], component_id: params[:component_id])
            end
        end
    else
        while count < limit
        for i in 0..mas.length - 1
            TopicRelation.where("(ka_topic_id = ? OR related_topic_id = ?) AND rel_type = ?", mas[i], mas[i], params[:rel]).find_each do |top|
                mas.push(top.ka_topic_id)
                mas.push(top.related_topic_id)
                mas.uniq
                end
        end
        count = count + 1
        end

        mas = mas.uniq
        for i in 0..mas.length
            if TopicComponent.where(ka_topic_id: mas[i], component_id: params[:component_id]).empty? && !params[:component_id].nil?
              TopicComponent.create(ka_topic_id: mas[i], component_id: params[:component_id])
            end
        end
    end

    for i in 0..mas.length - 1
    topic = KaTopic.find(mas[i])
    component = Component.find(params[:component_id])
    $out.push({topic: topic.text, related_component: component.name, t_id: topic.id, c_id: component.id})
    end
    @r_id = params[:topic_id].to_i
    render :show_all_relations
 #   redirect_to :back
  end

  def  show_all_relations

  end

  def detach_list
    #Внимание: используется delete_all (т.к. у модели нет первичных ключей)
    TopicComponent.delete_all(ka_topic_id: params[:t_id], component_id: params[:c_id])
    $out.delete({t_id: :t_id, c_id: :c_id})
    render :show_all_relations
  end

  def detach
    #Внимание: используется delete_all (т.к. у модели нет первичных ключей)
    TopicComponent.delete_all(ka_topic_id: params[:t_id], component_id: params[:c_id])
    redirect_to :back
  end
end