class ColumnEntry
	include Mongoid::Document
	include Mongoid::Timestamps

	include Admin::UniversalTablesHelper
	include ActionView::Helpers::NumberHelper

	field :text, :localize => true
	field :content, :localize => true
	field :date, type: DateTime
	field :period_from, type: DateTime
	field :period_to, type: DateTime
	field :number, type: Integer

	mount_uploader :image, ImageUploader

	has_many :column_entry_files, :autosave => true, :dependent => :destroy
	accepts_nested_attributes_for :column_entry_files, :allow_destroy => true
	after_save :save_column_entry_files

	belongs_to :table_entry, index: true
	belongs_to :table_column, index: true

	I18n.available_locales.each do |locale|
		index({text: 1}, { collation: {locale: locale.to_s}, unique: false, background: true })
		index({content: 1}, { collation: {locale: locale.to_s}, unique: false, background: true })
	end


	def type
		self.table_column.type
	end

	def save_column_entry_files
		return if @skip_callback
		self.column_entry_files.each do |t|
			if t.should_destroy
				t.destroy
			end
		end
	end

	def have_data(locale)
		flag = nil
		case self.type
		when "text"
			flag = self.text_translations[locale].present?
		when "integer"
			flag = true
		when "editor"
			flag = self.content_translations[locale].present?
		when "date"
			flag = self.date.present?
		when "period"
			flag = self.period_from.present? || self.period_to.present?
		when "image"
			flag = self.image.present?
		when "file"
			flag = false
			self.column_entry_files.each do |entry_file|
                next unless entry_file.choose_lang_display(locale) && entry_file.file.present?
                flag = true
            end
        else
        	flag = true
		end
		flag
	end

	def get_frontend_text(column)
		text = ""
		case self.type
		when "text"
			text = self.text
		when "integer"
			text = self.number
		when "editor"
			text = self.content
		when "date"
			text = format_date(self.date, column.date_format)
		when "period"
			text = format_date(self.period_from, column.date_format) + " ~ " + format_date(self.period_to, column.date_format)
			text = "" if text.starts_with?(" ~")
		when "image"
			text = "<img src='#{self.image.thumb.url}' class='image-preview' />"
		when "file"
			locale = I18n.locale.to_s
			text = "<ul class=\"column_entry_files\">"
			self.column_entry_files.desc(:sort_number).each do |entry_file|
                next unless entry_file.choose_lang_display(locale)
                file_title = entry_file.get_file_title
                text += "<li class=\"column_entry_file\"><a class=\"column_entry_file_link\" href=\"#{entry_file.get_link}\" title=\"#{file_title}\" target=\"_blank\">#{file_title}</a><span class=\"file_size\">(#{number_to_human_size(entry_file.file.size)})</span><span class=\"view_count\"><i class=\"fa fa-eye\" title=\"#{I18n.t("universal_table.downloaded_times")}\"></i><span class=\"view-count\">#{entry_file.download_count}</span></span></li>"
            end
            text += "</ul>"
		end
		text
	end
end