module OrbitBackendHelper

  def self.included(base)
    ActionView::Helpers::FormBuilder.send(:include, Orbit::FormBuilder)
  end

  def thead(field)
    active = params[:sort].eql? field.to_s
    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 class='#{klass} #{active ? "active" : ""}'><a href='?sort=#{field}&order=#{order}''>#{t(field.to_sym)} #{active ? arrow : ""}</a></th>".html_safe
  end

  def datetime_picker(object_name, method, options = {})
    options[:icon_time] ||= 'icons-clock'
    options[:icon_date] ||= 'icons-calendar'
    options[:icon_clear] ||= 'icons-cross-3'
    options[:input_class] ||= 'input-large'
    options[:value] ||= options[:object].send(method) if options[:object] && options[:object][method]
    case options[:picker_type]
    when 'date'
      content_tag :div, :id => options[:id], :class => options[:class] do
        date_picker(object_name, method, options)
      end
    when 'time'
      content_tag :div, :id => options[:id], :class => options[:class] do
        time_picker(object_name, method, options)
      end
    when 'separated'
      options[:label] ||= I18n.t('datetime_picker.separated.label')
      content_tag :div, :id => options[:id], :class => "separated_picker #{options[:class]}" do
        concat label_tag options[:label] unless options[:no_label]
        concat hidden_field(object_name, method, :value => options[:value])
        concat separated_picker(object_name, method, options)
      end
    else
      content_tag :div, :id => options[:id], :class => options[:class] do
        default_picker(object_name, method, options)
      end
    end
  end

  def default_picker(object_name, method, options)
    custom = {}
    custom[:format] = options[:format] || 'yyyy/MM/dd hh:mm'
    custom[:value] = format_value(options[:value], custom[:format]) if options[:value]
    custom[:picker_class] = 'default_picker'
    custom[:label] = options[:label] || I18n.t('datetime_picker.default.label')
    custom[:placeholder] = options[:placeholder] || I18n.t('datetime_picker.default.placeholder')
    picker(object_name, method, options.merge(custom))
  end

  def picker(object_name, method, options)
    content_tag :div, :class => "#{options[:picker_class]} input-append", :style => "#{(options[:picker_class].eql?('time_picker') && options[:value].blank? && options[:separated]) ? 'pointer-events:none' : nil}" do
      concat label_tag options[:label] unless options[:no_label]
      concat text_field object_name, method, :placeholder => options[:placeholder], :class => options[:input_class], 'data-format' => options[:format], :value => options[:value]
      concat (content_tag :span, :class => 'add-on clearDate' do
                content_tag :i, nil, :class => options[:icon_clear]
              end)
      concat (content_tag :span, :class => 'add-on iconbtn' do
                content_tag :i, nil, 'data-time-icon' => options[:icon_time], 'data-date-icon' => options[:icon_date]
              end)
    end
  end

  def format_value(value, format = 'yyyy-MM-dd hh:mm')
    value.strftime(format.gsub('yyyy', '%Y').gsub('MM', '%m').gsub('dd', '%d').gsub('hh', '%H').gsub('mm', '%M')) rescue ""
  end

  def add_attribute(partial, f, attribute)
    new_object = f.object.send(attribute).build
    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)
    render :partial => '/admin/categories/select_form', :locals => {:f=> f, :module_app=>module_app, :categories=>module_app.categories.enabled }
  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)
    render :partial => "shared/filter", :locals =>{:fields => fields}
  end

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

  def display_visitors_today
    display_visitors(created_at: {'$gte' => Time.now.beginning_of_day, '$lte' => Time.now})
  end

  def display_visitors_this_week
    display_visitors(created_at: {'$gte' => Time.now-7.days, '$lte' => Time.now})
  end

  def display_visitors_this_month
    display_visitors(created_at: {'$gte' => Time.now-30.days, '$lte' => Time.now})
  end

  def display_visitors_this_year
    display_visitors(created_at: {'$gte' => Time.now-365.days, '$lte' => Time.now})
  end

  def get_month_traffic
    result = []
    (0..30).each do |i|
      visits = Impression.where( created_at: {
        '$gte' => Time.now.beginning_of_day-i.days, 
        '$lte' => Time.now.end_of_day-i.days}
        ).distinct(:request_hash).count
      result.push([ Time.now.beginning_of_day-i.days, visits])
    end

    [:name=> t(:visitors_count),:data=>result]
  end
  
end

module Orbit::FormBuilder
  def datetime_picker(method, options = {})
    @template.datetime_picker(@object_name, method, objectify_options(options))
  end
end