class EventNews
  include Mongoid::Document
  include Mongoid::Timestamps

  include OrbitModel::Status
  include OrbitModel::Impression
  # encoding: utf-8
  include OrbitTag::Taggable
  include OrbitCategory::Categorizable
  include Slug
  require 'event_news_model/cache'
  include EventNewsModel::Cache
  SubPart.class_eval { include EventNewsModel::Cache }
  Page.class_eval { include EventNewsModel::Cache }
  before_destroy do
    EventNewsCache.all.destroy
  end
  field :add_to_calendar,type: Boolean,default: false
  field :calendar_start_date, :type => DateTime
  field :calendar_end_date, :type => DateTime
  field :calendar_all_day,type: Boolean,default: false
  field :calendar_type_id
  field :event_id

  field :title, type: String, localize: true
  field :speaker, type: String, localize: true
  field :host, type: String, localize: true
  field :subtitle, localize: true
  field :text, localize: true
  field :notes, localize: true
  field :create_user_id
  field :update_user_id
  field :public, :type => Boolean, :default => true
  field :event_date , :type => DateTime, :default => Time.now
  field :postdate , :type => DateTime, :default => Time.now
  field :deadline , :type => DateTime
  field :rss2_sn
  field :approved, :type => Boolean, :default => false
  field :is_preview, :type => Boolean, :default => false
  field :expirable_created_at, type: DateTime
  field :rejected, :type => Boolean, :default => false
  field :reapproval, :type => Boolean, :default => false
  field :rejection_reason
  field :is_external_link, :type => Boolean, :default => false
  field :external_link
  field :display_subtitle, :type => Boolean, :default => false
  field :display_img, :type => Boolean, :default => false

  field :email_id
  field :email_sent, :type => Boolean, :default => false
  field :email_sentdate , :type => DateTime
  field :email_member_ids
  field :other_mailaddress
  field :image_description, localize: true
  field :top_end_date, :type => DateTime

  mount_uploader :image, ImageUploader

  has_many :event_news_links, :autosave => true, :dependent => :destroy
  has_many :event_news_files, :autosave => true, :dependent => :destroy
  
  accepts_nested_attributes_for :event_news_files, :allow_destroy => true
  accepts_nested_attributes_for :event_news_links, :allow_destroy => true

  before_destroy :destroy_email

  scope :can_display_and_sorted, ->{where(:is_hidden=>false,:is_preview => false).any_of({:postdate.lte=>Time.now, :deadline.gte=>Time.now},{:postdate.lte=>Time.now, :deadline=>nil}).order(is_top: :desc,postdate: :desc,id: :desc)}
  scope :is_approved, ->{where(:approved => true)}

  before_create :set_expire
  before_save :check_limit
  
  def calendar_type
    CalendarType.where(:category_id.in => self.calendar_type_id)
  end
  def event
    if !self.event_id.nil?
      Event.where(:id => self.event_id).first
    else
      nil
    end
  end
  def check_limit
    check_status_limit(update_user)
  end
  def check_status_limit(user,check_only=false)
    role_ids = user.member_profile.roles.map(&:id) rescue []
    status_settings = (role_ids.collect do |role_id|
      EventNewsSetting.first.event_news_status_settings.select{|v| v.role_id.to_s == role_id.to_s}
    end.flatten rescue [])
    reach_limit = []
    if status_settings.count != 0
      reach_limit = status_settings.collect do |status_setting|
        status = status_setting.status
        if status_setting.top_limit.to_i <= self.class.where(:update_user_id.in => Role.find(status_setting.role_id).member_profiles.collect(&:user).flatten.uniq.map{|v| v.id},status => true).count
          if !check_only
            if self[status] && !self.class.where(id:self.id).first[status]
              self[status] = false
              nil
            end
          else
            status
          end
        else
          nil
        end
      end.compact
      reach_limit = reach_limit.group_by{|v| v}.collect do |k,v|
                      if v.count >= user.member_profile.roles.count
                        k
                      else
                        nil
                      end
                    end.compact
    end
    reach_limit
  end
  def slug_title
    doc = Nokogiri::HTML(self.title)
    title = doc.text.gsub('/','-')
  end
  def set_expire
    self.expirable_created_at = Time.now if self.is_preview
    return true
  end

  def update_user
    User.find(update_user_id) rescue nil
  end

  def update_user=(user)
    self.update_user_id = user.id
  end

  def email_members
    MemberProfile.find(self.email_member_ids) rescue []
  end

  def email_addresses
    addresses = self.email_members.collect{|member| member.email} rescue []
    addresses = addresses +[self.other_mailaddress] if !self.other_mailaddress.blank?
    addresses.flatten
  end

  def email
    mail = Email.find(self.email_id) rescue nil
  end

  def expired?
    (self.deadline < Time.now) rescue false
  end

  def destroy_email
    mail = Email.find(self.email_id) rescue nil
    mail.destroy if !mail.nil?
  end

  def self.remove_expired_status
    self.where(:is_top => true, :top_end_date.ne => nil, :top_end_date.lt => Time.now).each do |b|
      b.is_top = false
      b.top_end_date = nil
      b.save
    end
  end

  def display_subtitle?
    self.display_subtitle rescue false
  end

  def display_img?
    self.display_img rescue false
  end
end