class WritingConference
  include Mongoid::Document
  include Mongoid::Timestamps
  include Admin::PersonalConferencesHelper
  include OrbitModel::Status
  include OrbitTag::Taggable
  include MemberHelper
  include Slug

  field :paper_title, as: :slug_title, localize: true
  field :conference_title, localize: true
  field :authors, localize: true
  field :location, localize: true
  field :sponsor, localize: true
  
  field :year
  field :language
  field :period_start_date, :type => Date
  field :period_end_date, :type => Date
  field :keywords
  field :abstract
  field :publication_date, :type => Date
  field :url
  field :note
  field :create_user_id, :type => BSON::ObjectId
  field :update_user_id, :type => BSON::ObjectId
  field :isbn
  field :vol_no, type: String
  field :issue_no, type: String
  field :form_to_start, type: String
  field :form_to_end, type: String
  field :total_pages, type: String
  field :isi_number
  field :number_of_authors
  field :rss2_id

  belongs_to :member_profile

  has_and_belongs_to_many :conference_author_types
  has_and_belongs_to_many :conference_paper_types
  has_and_belongs_to_many :conference_paper_levels

  has_many :writing_conference_files, :autosave => true, :dependent => :destroy
  accepts_nested_attributes_for :writing_conference_files, :allow_destroy => true

  before_validation :add_http

  index({year: -1, publication_date: -1, period_start_date: -1, _id: -1}, { unique: false, background: false })
  scope :sort_year_date, ->{ order_by(:year => "desc", :publication_date => "desc", :period_start_date => "desc", :id => "desc") }
  scope :sort_for_frontend, ->{ where(:is_hidden=>false).order_by(:year => "desc", :publication_date => "desc", :period_start_date => "desc", :id => "desc") }

  def create_link
    title = []

    # title << self.member_profile.name if self.member_profile_id.present?
    title << self.authors if self.authors.present?

    title << self.paper_title if self.paper_title.present?
    title << self.conference_title if self.conference_title.present?
    paper_types = ( !self.conference_paper_types.blank? ? self.conference_paper_types.collect{|x| x.title}.join(', ') : "")
    paper_levels = ( !self.conference_paper_levels.blank? ? "(#{self.conference_paper_levels.collect{|x| x.title}.join(', ')})" : "")
    title << paper_types + paper_levels
    title << "vol. " + self.vol_no.strip if (self.vol_no.present? && self.vol_no != "0")
    title << self.issue_no if (self.issue_no.present? && self.issue_no != "0")
    title << "pp." + self.form_to_start.to_s+"-"+self.form_to_end.to_s if (self.form_to_start.present? && self.form_to_start != "0")
    if self.period_start_date.present? && self.period_end_date.present?
      title << self.duration
    elsif !self.publication_date.nil?
      title << (self.publication_date.strftime("%b. %Y") rescue nil)
    elsif self.year.present?
      title << self.year
    end
    if self.location.present?
      title << self.location
    end
    title = title.join(', ')
    title.sub(/^\\s*,/,'').gsub(/,(\s*,)+/,',').strip
  end
  def form_to
    if (self.form_to_start.present? && self.form_to_start != "0")
      self.form_to_start.to_s+"-"+self.form_to_end.to_s
    else
      ""
    end
  end
  def duration(date_format="%b. %d, %Y")
    period_start_date_present = self.period_start_date.present?
    period_end_date_present = self.period_end_date.present?
    date = ""
    if period_start_date_present && period_end_date_present
      if self.period_start_date == self.period_end_date
        date = self.period_start_date.strftime(date_format)
      else
        period_start_ym = [self.period_start_date.year, self.period_start_date.month]
        period_end_ym = [self.period_end_date.year, self.period_end_date.month]
        same_year = period_start_ym[0] == period_end_ym[0]
        same_month = period_start_ym[1] == period_end_ym[1]
        if same_year && same_month
          date = self.period_start_date.strftime(date_format.sub('%d', "%d-#{self.period_end_date.strftime('%d')}"))
        elsif same_year
          month_date_format = date_format.match(/(%b|%m|%d)[\-\/\. ]*(%b|%m|%d)/)[0] rescue ''
          date = self.period_start_date.strftime(date_format.sub(month_date_format, "#{month_date_format}-#{self.period_end_date.strftime(month_date_format)}"))
        else
          date = self.period_start_date.strftime(date_format) + ' ~ ' + self.period_end_date.strftime(date_format)
        end
      end
    elsif period_start_date_present || period_end_date_present
      if self.period_start_date
        date = self.period_start_date.strftime(date_format) + ' ~ ' + I18n.t('personal_conference.up_to_today')
      else
        date = self.period_end_date.strftime(date_format)
      end
    end
    date
  end
  

  def self.get_plugin_datas_to_member(datas)
    get_setting
    page = Page.where(:module => "personal_conference").first rescue nil
    if !page.nil? &&  page.custom_string_field == "table"
      if !page.custom_array_field.blank?
        fields_to_show = page.custom_array_field
      else
        fields_to_show = [
          "authors",
          "paper_title",
          "conference_title",
          "location",
          "paper_types",
          "paper_levels"
        ]
      end
    else
      fields_to_show = @setting.display_fields_in_member_page.clone
      fields_to_show << "paper_title"
    end
    fields_to_remove = []

    pd_title = []

    fields_to_show.each do |t|
      if (self.fields[t].type.to_s == "String" rescue false)
        fields_to_remove << t if (datas.where(t.to_sym.ne => nil).or(t.to_sym.ne => "").count == 0 rescue false)
      else
        t2 = t
        case t
        when "form_to"
          t2 = "form_to_start"
        when "author_type"
          t2 = "conference_author_types"
        when "period"
          t2 = "period_start_date"
        end
        fields_to_remove << t if (datas.where(t2.to_sym.ne => nil).count == 0 rescue false)
      end
      pd_title <<  {
          "plugin_data_title" => I18n.t("personal_conference.#{t}")
        } if !fields_to_remove.include?(t)
    end

    fields_to_show = fields_to_show - fields_to_remove
    date_format = (I18n.locale == :zh_tw ? '%Y/%m/%d' : '%b. %d, %Y')
    plugin_datas = datas.sort_for_frontend.collect do |p|
      
      pd_data = []
      fields_to_show.collect do |t|
        if !page.nil? && page.custom_string_field == "table"
          case t
          when "paper_title"
            link = OrbitHelper.url_to_plugin_show(p.to_param,'personal_conference')
            link = (link == "#" ? p.paper_title : "<a href='#{link}' title=\"#{p.paper_title}\" target='_blank'>#{p.paper_title}</a>")
            pd_data << { "data_title" =>  link}
          when "paper_types"
            pd_data << {"data_title" => ( !p.conference_paper_types.blank? ? p.conference_paper_types.collect{|x| x.title}.join(', ') : "")}
          when "paper_levels"
            pd_data << {"data_title" => ( !p.conference_paper_levels.blank? ? p.conference_paper_levels.collect{|x| x.title}.join(', ') : "")}
          when "author_type"
            pd_data << {"data_title" => (p.conference_author_types.collect{|cat| cat.title}.join(", ") rescue "")}
          when "period"
            pd_data << {"data_title" => p.duration(date_format)}
          when "url"
            pd_data << { "data_title" => "<a href='#{p.url}' title=\"#{p.url}\" target='_blank'>#{p.url}</a>" }
          when "publication_date"
            pd_data << { "data_title" => (p.publication_date.strftime(@setting.publication_date_format) rescue "") }
          else
            pd_data << { "data_title" => p.send(t) }
          end
        else
          if t == "paper_title"
            link = OrbitHelper.url_to_plugin_show(p.to_param,'personal_conference')
            link = (link == "#" ? p.create_link : "<a href='#{link}' title=\"#{p.create_link}\" target='_blank'>#{p.create_link}</a>")
            pd_data << { "data_title" => link }
          elsif t == "publication_date"
            pd_data << { "data_title" => (p.publication_date.strftime(@setting.publication_date_format) rescue "") }
          else
            pd_data << { "data_title" => p.send(t) }
          end
        end
      end

      {
        "pd_datas" => pd_data
      }

   end
    return [pd_title,plugin_datas]
  end

  def get_plugin_data(fields_to_show)
    plugin_datas = []
    fields_to_show.each do |field|
      plugin_data = self.get_plugin_field_data(field) rescue nil
      next if plugin_data.blank? or plugin_data['value'].blank?
      plugin_datas << plugin_data
    end
    plugin_datas
  end

  def get_plugin_field_data(field)
    case field
    when "paper_level"
      value = self.conference_paper_levels.collect{|level| level.title}.join(',') rescue ""
    when "author_type"
      value = self.conference_author_types.collect{|type| type.title}.join(',') rescue ""
    when "paper_type"
      value = self.conference_paper_types.collect{|type| type.title}.join(',') rescue ""
    when "author_name"
      value = []
      ([I18n.locale]+(Site.first.in_use_locales-[I18n.locale])).each do |locale|
        if self.member_profile.first_name_translations[locale] || self.member_profile.last_name_translations[locale]
         value << "#{self.member_profile.first_name_translations[locale]} #{self.member_profile.last_name_translations[locale]}"
        end
      end
      value = value.join(" / ")
    when "period"
      value = self.duration((I18n.locale == :zh_tw ? '%Y/%m/%d' : '%b. %d, %Y'))
    when "publication_date"
      get_setting
      value = self.publication_date.strftime(@setting.publication_date_format) rescue ""
    when "abstract"
       value = nl2br(self.abstract)
    when "language"
       value = I18n.t(self.language, :default=> self.language) if !self.language.nil? rescue ""
    when "file"
      files = []
      self.writing_conference_files.each do |conference_files|  
        url = conference_files.file.url
        title = ((conference_files.title.blank? ? File.basename(conference_files.file.path) : conference_files.title) rescue "")
        files << (url.nil? ? "" : "<li><a href='#{url}' target='_blank'>#{title}</a></li>")
      end
      value = files.join("")
    when "url"
      value = self.url.to_s.blank? ? "" : "<a href='#{self.url}'>#{self.url}</a>"
    when "authors"
      value = get_authors_show(self) rescue ""
    else
      value = self.send(field) rescue ""
    end

    value = (value =~ /\A#{URI::regexp(['http', 'https'])}\z/) ? "<a href='#{value}' target='blank'>#{value}</a>" : value
    
    {
      "key"=>field,
      "title_class"=>"conference-#{field.gsub('_','-')}-field",
      "value_class"=>"conference-#{field.gsub('_','-')}-value",
      "title"=>I18n.t('personal_conference.'+field),
      "value"=>value
    }
  end
  def get_setting
    @setting ||= WritingConferenceSetting.first 
  end
  def self.get_setting
    @setting = WritingConferenceSetting.first
  end
  protected

  def add_http
    unless self.url.blank? || self.url[/^http:\/\//] || self.url[/^https:\/\//]
      self.url = 'http://' + self.url
    end
  end

end