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
  attr_accessor :org_tag_ids
  def tags=(ids)
    self.org_tag_ids = self.tag_ids
    super(ids)
  end
  def []=(index,value)
    if index.to_s=='tags'
      self.org_tag_ids = self.tag_ids
    end
    super(index,value)
  end
  SubPart.class_eval { include EventNewsModel::Cache }
  Page.class_eval { include EventNewsModel::Cache }
  before_destroy do
    EventNewsCache.all.destroy
  end
  Week_day_trans = {:en=>["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],
                  :zh_tw=>["(日)","(一)","(二)","(三)","(四)","(五)","(六)"]}
  field :event_date_use_default_setting, type: Boolean, default: true
  field :including_day_of_the_week, type: Boolean, default: true
  field :including_time, type: Boolean, default: true
  field :hour_clock_24, type: Boolean, default: true
  field :is_edit, type: Boolean, default: false #use to check whether the preview record changed
  field :copy_id
  field :custom_carousel_image_width, type: String, default: ""
  field :image_display_class, type: String, default: "full-size-img" #3 choices: full-size-img , pull-left , pull-right
  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 :all_day,type: Boolean,default: false #old field
  field :calendar_type_id
  field :event_id
  field :place, type: String, localize: true
  field :title, as: :slug_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, default: ''
  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 :event_end_date , :type => DateTime
  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
  has_many :event_carousel_images, :autosave => true, :dependent => :destroy
  accepts_nested_attributes_for :event_news_files, :allow_destroy => true
  accepts_nested_attributes_for :event_news_links, :allow_destroy => true
  accepts_nested_attributes_for :event_carousel_images, :allow_destroy => true
  before_destroy :destroy_email

  scope :open_in_future, ->{where(:is_hidden.ne=>true,:is_preview.ne => true,:postdate.gt=>Time.now).order(postdate: :asc)}
  scope :can_display_and_sorted, ->{where(:is_hidden.ne=>true,:is_preview.ne => true).valid_time_range.order(event_date: :desc)}
  scope :can_display_and_sorted_according_today, ->{where(:is_hidden.ne=>true,:is_preview.ne => true).order(event_date: :asc).valid_time_range.where(:event_date.gte => Date.today.to_time)}
  scope :valid_time_range, ->{and_any_of([{"postdate"=>{"$lte"=> Time.now}, "deadline"=>{"$gte"=> Time.now}}, {"postdate"=>{"$lte"=> Time.now}, "deadline"=>nil}]).order((@manually_sort ? {is_top: :desc,sort_number: :asc,postdate: :desc,id: :desc} : {is_top: :desc,postdate: :desc,id: :desc}))}
  scope :is_approved, ->{where(:approved => true)}
  scope :is_approved_and_show, ->{where(:approved => true,:is_hidden.ne=>true,:is_preview.ne => true)}
  scope :filter_cats_and_tags, ->(cats,tags) {filter_by_widget_categories(cats,false).filter_by_tags(tags)}
  before_create :set_expire
  before_save :check_limit
  before_save do
    if @is_hidden_changed.nil? || @is_hidden_changed != true
      @is_hidden_changed = self.is_hidden_changed?
    end
    if self.is_top_changed? && !self.is_top
      self.sort_number = nil
    end
  end
  index({postdate: 1}, { unique: false, background: true })
  index({is_top: -1, postdate: -1, event_date: -1, _id: -1}, { unique: false, background: true })
  index({is_top: -1, event_date: 1, postdate: -1, _id: -1}, { unique: false, background: true })
  index({approved: -1, is_hidden: 1, is_preview: 1, is_top: -1, postdate: -1, event_date: -1, _id: -1, deadline: -1}, { unique: false, background: true })
  index({approved: -1, is_hidden: 1, is_preview: 1, is_top: -1, event_date: 1, postdate: -1, event_date: -1, _id: -1, deadline: -1}, { unique: false, background: true })
  if EventNewsSetting.pluck(:enable_manually_sort).first == true
    index({approved: -1, is_hidden: 1, is_preview: 1, is_top: -1, sort_number: 1, postdate: -1, event_date: -1, _id: -1, deadline: -1}, { unique: false, background: true })
    index({approved: -1, is_hidden: 1, is_preview: 1, is_top: -1, sort_number: 1, event_date: 1, postdate: -1, _id: -1, deadline: -1}, { unique: false, background: true })
  end
  field :sort_number, type: Integer
  def get_org_model
    if self.is_preview
      org_model = nil
      if self.copy_id
        org_model = self.class.find(self.copy_id) rescue nil
      else
        org_model = self.class.where(:title=>self.title,:is_preview.ne=>true).desc(:updated_at).first
      end
      org_model.nil? ? self : org_model
    else
      self
    end
  end
  def date_parse_format
    #all_day ? '%Y-%m-%d' : '%Y-%m-%d %H:%M'
    event_date_format
  end
  def get_weekday(w)
    trans = self.class::Week_day_trans
    if trans.keys.include?(I18n.locale)
      trans[I18n.locale][w]
    else
      trans[:en][w]
    end
  end
  def event_date_format
    @event_date_format ||= (self.event_date_use_default_setting ? EventNewsSetting.event_date_default_format : self.event_date_custom_format)
  end
  def event_date_custom_format
    datetime_format = "%Y-%m-%d"
    if self.including_day_of_the_week
      datetime_format += " %a"
    end
    if self.including_time
      if self.hour_clock_24
        datetime_format += " %H:%M"
      else
        datetime_format += " %I:%M %P"
      end
    end
    datetime_format
  end
  def custom_strftime(dt, datetime_format)
    if dt
      dt.strftime(datetime_format.sub("%a","%%a")).sub("%a",get_weekday(dt.wday))
    else
      ""
    end
  end
  def event_time_formated_for_frontend
    st,ed = self.event_time_formated.split("~")
    if st.nil?
      st = ""
    else
      st = "<span class=\"start_date\">#{st}</span>"
    end
    if ed.nil?
      st
    else
      ed = "<span class=\"start_date\">#{ed}</span>"
      "#{st} ~ #{ed}"
    end
  end
  def event_date_frontend
    s = self.event_date.in_time_zone(Time.zone.utc_offset / 3600) rescue nil
    if s.blank?
      ""
    else
      parse_format = self.date_parse_format
      custom_strftime(s, self.date_parse_format)
    end
  end
  def event_end_date_frontend
    e = self.event_end_date.in_time_zone(Time.zone.utc_offset / 3600) rescue nil
    if e.blank?
      ""
    else
      parse_format = self.date_parse_format
      custom_strftime(e, self.date_parse_format)
    end
  end
  def event_time_formated
    s = self.event_date.in_time_zone(Time.zone.utc_offset / 3600) rescue nil
    e = self.event_end_date.in_time_zone(Time.zone.utc_offset / 3600) rescue nil
    if s.blank? && e.blank?
      ""
    elsif e.blank?
      custom_strftime(s, self.date_parse_format)
    elsif s.blank?
      "~ " + custom_strftime(e, self.date_parse_format)
    else
      parse_format = self.date_parse_format
      if s.to_date == e.to_date
        parse_format_arr = parse_format.split(/(%d %a|%d) /)
        if parse_format_arr.count > 1
          parse_format_arr = parse_format_arr[0..-2].join(""), parse_format_arr[-1]
        end
        date_str = custom_strftime(s, parse_format_arr[0])
        s_time = s.strftime(parse_format_arr[1].to_s)
        e_time = e.strftime(parse_format_arr[1].to_s)
        if e_time.present?
          if s_time != e_time
            "#{date_str} #{s_time} ~ #{e_time}"
          else
            "#{date_str} #{s_time}"
          end
        else
          date_str
        end
      else
        custom_strftime(s, self.date_parse_format) + " ~ " + custom_strftime(e, self.date_parse_format)
      end
    end
  end
  def to_calendar_param
    self.to_param
  end
  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(:is_preview.ne=>true,: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 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
  def statuses
        statuses = []
        statuses << top_text if is_top?
        statuses << hot_text if is_hot?
        statuses << hidden_text if is_hidden?
        statuses
      end
  def statuses_with_classname
    statuses = []
    statuses << {"name" => top_text, "classname" => "top"} if is_top?
    statuses << {"name" => hot_text, "classname" => "hot"} if is_hot?
    statuses << {"name" => hidden_text, "classname" => "hidden"} if is_hidden?
    statuses
  end
  def status_for_table
    status = ""
    status << "<span class='label label-success'>#{top_text}</span> " if self.is_top
    status << "<span class='label label-important'>#{hot_text}</span> " if self.is_hot
    status << "<span class='label'>#{hidden_text}</span>"if self.is_hidden
    status.html_safe
  end
  def top_text
    I18n.t("announcement.status.top")
  end
  def hot_text
    I18n.t("announcement.status.hot")
  end
  def hidden_text
    I18n.t("announcement.status.hidden")
  end
  def carousel_image_width
    (self.custom_carousel_image_width.blank? ? AnnouncementSetting.last.carousel_image_width : self.custom_carousel_image_width)
  end

  def self.agenda_events(agenda_start, agenda_end,read_more_url)
    events = self.monthly_event(agenda_start, agenda_end).convert_front(read_more_url)
  end
  def self.monthly_event(start_date,end_date)
    self.any_of({:event_date.lte => start_date,:event_end_date.gte => start_date},{:event_date.gte => start_date,:event_end_date.lte => end_date},{:event_date.lte => end_date,:event_end_date.gte => end_date}).asc(:event_date)
  end
  def self.convert_front(read_more_url)
    self.all.collect do |re|
      {:id => re.id.to_s,
       :title=>re.title,
       :note=>re.subtitle || "",
       :allDay => false,
       :color => nil,
       :url_linked => (re.is_external_link ? re.external_link : "#{read_more_url}/#{re.to_param}" rescue ""),
       :start => re.event_date,
       :end => re.event_end_date}
    end
  end
end