require "uri"
require "net/http"
module OrbitBackendHelper
  def self.included(base)
    ActionView::Helpers::FormBuilder.send(:include,OrbitFormHelper)
  end

  def group_impression_by_day(field,day_limit,start_day=Date.today,format = 'day')
    limit_ele = Impression.desc(:id).where({ created_at: { "$lt" => start_day-(day_limit-2).days }}).first || Impression.first
    key_op = [['year','$year'],['month', '$month'], ['day', '$dayOfMonth']]
    key_op = key_op.take(1 + key_op.find_index { |key, op| format == key })
    project_date_fields = Hash[*key_op.collect { |key, op| [key, {op => "$#{field}"}] }.flatten]
    group_id_fields = Hash[*key_op.collect { |key, op| [key, "$#{key}"] }.flatten]
    pipeline = [
        {"$match"=> {"_id" => {"$gte" => (limit_ele['_id'] rescue '')}}},
        {"$project" => {field => 1}.merge(project_date_fields)},
        {"$group" => {"_id" => group_id_fields,"count" => {"$sum" => 1}}},
        {"$sort" => {"_id"=>-1}}
    ]
    tmp = Impression.collection.aggregate(pipeline)
    if tmp.count < day_limit
      tmp1 = tmp
      tmp = (0...day_limit).collect do |i|
              d = start_day - i.days
              d_year = d.year
              d_month = d.month
              d_day = d.day
              count = tmp1.select do |v|
                        n_date = v['_id']
                        n_date['year']==d_year && n_date['month']==d_month && n_date['day']==d_day
                      end[0]['count'] rescue 0
              {'_id'=>{'year'=>d_year,'month'=>d_month,'day'=>d_day},'count'=>count}
            end
    end
    tmp
  end
  def thead(field,center=false,enable_sort=true)
    sort = field.to_s.include?('.') ? field.to_s.split('.')[1] : field.to_s
    active = params[:sort].eql? sort
    order = active ? (["asc", "desc"]-[params[:order]]).first : "asc"
    arrow = (order.eql? "desc") ? "<b class='icons-arrow-up-3'></b>" : "<b class='icons-arrow-down-4'></b>"
    klass = field.eql?(:title) ? "span5" : "span2"

    th_data = (sort=="preview" || !enable_sort) ? t(field.to_sym) : "<a href='?sort=#{sort}&order=#{order}'>#{t(field.to_sym)} #{active ? arrow : ""}</a>"

    "<th class='#{klass} #{active ? "active" : ""}' style='#{center ? "text-align:center" : ""}'>#{th_data}</th>".html_safe
  end


  def add_attribute(partial, f, attribute)
    new_object = f.object.send(attribute).build rescue nil
    fields = f.fields_for(attribute, new_object, :child_index => "new_#{attribute}") do |f|
      render :partial => partial, :object => new_object, :locals => {:f => f}
    end
  end

  def is_filter_active?(field, value)
    params[:filters][field].include?(value.to_s) ? "active" : "" rescue ""
  end


  def select_category(f, module_app)
    @user_authorized_categories = module_app.categories.enabled.authorized(current_user) if @user_authorized_categories.nil?
    render :partial => '/admin/categories/select_form', :locals => {:f=> f, :module_app=>module_app, :categories=> @user_authorized_categories }
  end

  def copy_to_all_language_button(language_tab, language_area)
    render :partial => '/shared/copy_to_all_language_button', :locals => {:language_area => language_area, :language_tab => language_tab}
  end

  def select_tags(f, module_app)
    render :partial => '/admin/tags/tag_form', :locals => {:f=> f, :module_app=>module_app, :tags=>module_app.tags }
  end
  
  def render_filter(fields, search_dom_id=nil, quick_new=false)
    render :partial => "shared/filter", :locals =>{:fields => fields, :search_dom_id=>search_dom_id, :quick_new=>quick_new}
  end

  def display_visitors(options={})
    Impression.where(options).count
  end

  def display_visitors_today
    if (defined? @result_of_thirty_day).nil?
      display_visitors(created_at: {'$gte' => Time.now.beginning_of_day})
    else
      @result_of_thirty_day[0]['count']
    end
  end

  def display_visitors_this_week
    if (defined? @result_of_thirty_day).nil?
      display_visitors(created_at: {'$gte' => Time.now.beginning_of_week})
    else
      @result_of_thirty_day[0..((Time.now-Time.now.beginning_of_week)/86400).floor].map{|v| v['count']}.reduce{|v,x| v+x}
    end
  end

  def display_visitors_this_month
    if (defined? @result_of_thirty_day).nil?
      visitors_this_month = Rails.cache.fetch("visitors_this_month", expires_in: 1.day) do
        display_visitors(created_at: {'$gte' => Time.now.beginning_of_month})
      end
      visitors_this_month
    else
      @result_of_thirty_day[0..((Time.now-Time.now.beginning_of_month)/86400).floor].map{|v| v['count']}.reduce{|v,x| v+x}
    end
  end

  def display_visitors_this_year
    visitors_this_year = Rails.cache.fetch("visitors_this_year", expires_in: 1.day) do
      display_visitors(created_at: {'$gte' => Time.now.beginning_of_year})
    end
    visitors_this_year
  end

  def get_month_traffic
    #site = Site.first
    #if site.month_traffic_cache.blank? or (site.month_traffic_cache['updated_at'] < (Time.now-1.day) rescue true)
      #site.month_traffic_cache = {}
      #site.month_traffic_cache['result'] = []
      @result_of_thirty_day = group_impression_by_day(:created_at,30)
      trafic_result = @result_of_thirty_day.map do |v|
                        date = v['_id'].values
                        [Date.new(date[0],date[1],date[2]).to_time,v['count']]
                      end
      #site.month_traffic_cache['result'] = trafic_result
      #site.month_traffic_cache['updated_at'] = Time.now
      #site.save
    #end
    
    #[:name=> t(:visitors_count),:data=>site.month_traffic_cache['result']]
    [:name=> t(:visitors_count),:data=>trafic_result]
  end

  def can_edit_or_delete?(obj)
    create_user = obj.create_user_id.to_s rescue nil
    if @user_authenticated_categories.first == "all"
      return true
    elsif obj.class == Page && current_user.is_manager?(ModuleApp.where(:key=>'page_content').first)
      return true
    elsif @current_user_is_sub_manager && !create_user.nil?
        create_user == current_user.id.to_s 
    else
      @user_authenticated_categories.include?obj.category_id rescue (current_user.is_manager?(@module_app) rescue false)
    end
  end

  def user_authenticated_categories
    @user_authenticated_categories
  end

  def is_user_sub_manager?
    @current_user_is_sub_manager
  end

  def has_access? #@user_has_privileges comes from orbit_member_controller.. used just in members
    @user_has_privileges
  end

  def check_store_permissions #checks with the store if it has proper access and rights to access store
    store_permission = {}
    store_token = current_site.store_token rescue nil
    if !store_token.nil?
      params_to_send = {'store_token' => current_site.store_token}
      uri = URI.parse(OrbitStore::URL)
      http = Net::HTTP.new(uri.host,uri.port)
      http.read_timeout = 25 #seconds
      request = Net::HTTP::Get.new("/site/permissions")
      request.body = params_to_send.to_query
      http.open_timeout = 1 #set read_timeout to 1 second to avoid web die caused by no response
      http.ssl_timeout = 1
      begin
       response = http.request(request)
      rescue
        response = ActionDispatch::Response.new
        response.body = {'success'=>true}.to_json
      end
      if response.nil?
        data = {}
        data["message"] = "Could not connect to the store."
        data["error"] = "CONNECTION_REFUSED"
        data["success"] = false 
      else
        data = JSON.parse(response.body) rescue nil
      end
      if data.nil?
        data = {}
        data["message"] = "Could not connect to the store."
        data["error"] = "JSON_ERROR"
        data["success"] = false 
      end
      if !data["success"]
        case data["error"]
        when "INVALID_SITE_TOKEN"
          current_site.store_token = nil
          current_site.save
        end
        store_permission["permission_granted"] = false
        store_permission["error"] = data["error"]
        store_permission["message"] = data["message"]
      else
        store_permission["permission_granted"] = true
      end
    else
      store_permission["permission_granted"] = false
      store_permission["error"] = "SITE_NOT_REGISTERED"
      store_permission["message"] = "Site not registered."
    end
    store_permission
  end

  def render_401
    render "errors/401"
  end

  def render_403
    render "errors/403"
  end

  def need_access_right
    render_401 if !has_access?
  end

  def get_referer_url
    referer_path = Rails.application.routes.recognize_path(request.referer)
    if referer_path[:controller]!="pages" or (referer_path[:controller]==params[:controller] and referer_path[:action]!="index")
      referer_url = '/'+params[:controller]
    else
      referer_url = request.referer
    end
    referer_url
  end
  
end