class Admin::ContactVersionsController < AdminController
  load_and_authorize_resource

  def index
    params[:q] ||= {}

    @q = ContactVersion.search(params[:q])
    @versions = @q.result.page(params[:page])
    search_params = params[:q].deep_dup

    whereS = "1=1"

    search_params.each do |key, value|
      next if value.empty?
      case key
        when 'event'
          whereS += " AND event = '#{value}'"
        else
          whereS += create_where_string(key, value)
      end
    end

    versions = ContactVersion.includes(:item).where(whereS).order(created_at: :desc, id: :desc)
    @q = versions.search(params[:q])
    @versions = @q.result.page(params[:page])
    @versions = @versions.per(params[:results_per_page]) if params[:results_per_page].to_i > 0

  end

  def show
    per_page = 7
    @version  = ContactVersion.find(params[:id])
    @versions = ContactVersion.where(item_id: @version.item_id).order(created_at: :desc, id: :desc)
    @versions_map = @versions.all.map(&:id)

    # what we do is calc amount of results until needed version
    # then we cacl which page it is
    if params[:page].blank?
      counter = @versions_map.index(@version.id) + 1
      page    = counter / per_page
      page   += 1 if (counter % per_page) != 0
      params[:page] = page
    end

    @versions = @versions.page(params[:page]).per(per_page)
  end

  def search
    render json: ContactVersion.search_by_query(params[:q])
  end

  def create_where_string(key, value)
    " AND object->>'#{key}' ~* '#{value}'"
  end

end