class SiteFeedAnnc
  include Mongoid::Document
  include Mongoid::Timestamps
  UseSourceUrl = SiteFeedSetting.first.use_source_url rescue false
  field :top_list,type: Array,default: []
  field :hot_list,type: Array,default: []
  field :all_contents_for_feed
  field :channel_key
  field :feed_id
  field :feed_name
  field :category_title
  field :hidden_annc,type: Array,default: []
  field :merge_with_category
  field :remote_site_url
  field :channel_title
  field :feeds_model
  field :feeds_model
  field :feeds_uid_field
  field :feeds_update_callback
  field :feeds_time_field, type: String, default: "postdate"
  field :feeds_finish_callback
  field :feeds_update_statuses_callback
  #I18n.available_locales.each do |locale|
  #  index({ "all_contents_for_feed.#{locale}.is_hidden"=> -1,
  #          "all_contents_for_feed.#{locale}.is_top"=> -1,
  #          "all_contents_for_feed.#{locale}.#{self.feeds_time_field}"=> -1}, { unique: false, background: true, name: "cache_#{locale}" })
  #end
  def get_annc(annc_uid)
    Array(self[:all_contents_for_feed][I18n.locale.to_s]).select{|v| v['id']==annc_uid}[0] rescue {}
  end
  before_save do
    unless @skip_callback
      if self.top_list_changed? || self.hot_list_changed? || self.hidden_annc_changed? || self.category_title_changed?
        self[:all_contents_for_feed] = self.cache_annc
      end
    end
  end
  def update_remote_site_url
    update_fields = ['source_url','source-site']
    tmp_url = self.remote_site_url
    self.all_contents_for_feed_will_change!
    locales = Site.first.in_use_locales rescue I18n.available_locales
    locales.each do |l|
      anns = self[:all_contents_for_feed][l.to_s]
      if anns
        (0...anns.count).each do |i|
          a = anns[i]
          update_fields.each do |f|
            a[f] = tmp_url
          end
          a['statuses'] = []
          if a[:is_top]
            a['statuses'] << {
              "status" => trans[locale]['top'],
              "status-class" => "status-top"
            }
          end
          if a[:is_hot]
            a['statuses'] << {
              "status" => trans[locale]['hot'],
              "status-class" => "status-hot"
            }
          end
          if !a["source-site-title"].blank?
            a['statuses'] << {
              "status" => "<a href=\"#{a["source_url"]}\" target=\"_blank\" class=\"feed-source\">#{a["source-site-title"]}</a>",
              "status-class" => "status-source"
            }
          end
        end
      end
    end
    self.save
  end
  def update_channel_title(update_url=false) #update_url=true will also fix remote_site_url in data
    update_fields = []
    if update_url
      update_fields = ['source_url','source-site']
    end
    tmp_url = self.remote_site_url
    self.all_contents_for_feed_will_change!
    locales = Site.first.in_use_locales rescue I18n.available_locales
    trans = {}
    locales.each do |locale|
      locale = locale.to_s
      trans[locale] = {}
      I18n.with_locale(locale) do
        trans[locale]['top'] = I18n.t(:top)
        trans[locale]['hot'] = I18n.t(:hot)
        trans[locale]['more_plus'] = I18n.t("feed.more")
      end
    end
    locales.each do |locale|
      source_site_title = (self[:channel_title][locale] rescue "")
      anns = self[:all_contents_for_feed][locale.to_s]
      if anns
        (0...anns.count).each do |i|
          a = anns[i]
          a["source-site-title"] = source_site_title
          update_fields.each do |f|
            a[f] = tmp_url
          end
          a['statuses'] = []
          if a[:is_top]
            a['statuses'] << {
              "status" => trans[locale]['top'],
              "status-class" => "status-top"
            }
          end
          if a[:is_hot]
            a['statuses'] << {
              "status" => trans[locale]['hot'],
              "status-class" => "status-hot"
            }
          end
          if !a["source-site-title"].blank?
            a['statuses'] << {
              "status" => "<a href=\"#{a["source_url"]}\" target=\"_blank\" class=\"feed-source\">#{a["source-site-title"]}</a>",
              "status-class" => "status-source"
            }
          end
        end
      end
    end
    self.save
  end
  def process_tmp(a, locale=nil, trans=nil, site_root_url=nil)
    cat = self[:category_title]
    locale = I18n.locale.to_s if locale.nil?
    if trans.nil?
      trans = {}
      locales.each do |locale|
        locale = locale.to_s
        trans[locale] = {}
        I18n.with_locale(locale) do
          trans[locale]['top'] = I18n.t(:top)
          trans[locale]['hot'] = I18n.t(:hot)
          trans[locale]['more_plus'] = I18n.t("feed.more")
        end
      end
    end
    if site_root_url.nil?
      site_root_url = Site.first.root_url rescue ""
    end
    tmp = a.deep_dup
    tmp[:is_hidden] = self.hidden_annc.include?(tmp['id'])
    if self.channel_key == "announcement"
      tmp['statuses'] = []
      if self[:top_list].count == 0 || self[:top_list].exclude?(tmp['id'])
        tmp[:is_top] = false
      else
        tmp[:is_top] = true
        tmp['statuses'] << {
          "status" => trans[locale]['top'],
          "status-class" => "status-top"
        }
      end
      if self[:hot_list].count == 0 || self[:top_list].exclude?(tmp['id'])
        tmp[:is_hot] = false
      else
        tmp[:is_hot] = true
        tmp['statuses'] << {
          "status" => trans[locale]['hot'],
          "status-class" => "status-hot"
        }
      end
      tmp["category"] = cat
      tmp["source_url"] = self.remote_site_url
      tmp["source-site"] = self.remote_site_url
      tmp["source-site-title"] = (self[:channel_title][locale] rescue "")
      tmp["params"] = tmp["params"].to_s + "_" + self.feed_id.to_s + "h"
      if !tmp["source-site-title"].blank?
        tmp['statuses'] << {
          "status" => "<a href=\"#{tmp["source-site"]}\" target=\"_blank\" class=\"feed-source\">#{tmp["source-site-title"]}</a>",
          "status-class" => "status-source"
        }
      end

      files = tmp["bulletin_files"].collect{|bf| { "file_url" => bf["url"], "file_title" => (bf["title_translations"][locale].blank? ? File.basename(bf["url"]) : bf["title_translations"][locale] rescue '') }} rescue []
      links = tmp["bulletin_links"].map{|link|  { "link_url" => link["url"], "link_title" => (link["title_translations"][locale].blank? ? link["url"] : link["title_translations"][locale]) } } rescue []
      tmp["bulletin_links"] = links
      tmp["bulletin_files"] = files
      tmp["title"] = tmp["title_translations"][locale]
      tmp["subtitle"] = tmp["subtitle_translations"][locale]
      if tmp["text_translations"].present?
        tmp["text_translations"].each do |l, text|
          doc = Nokogiri::HTML.fragment(text)
          doc.css('[src]').each do |src_el|
            src = (src_el.attributes["src"].value rescue "")
            if src.present? && src.match(/^\/[^\/]+/)
              src_el.attributes["src"].value = self.remote_site_url + src
            end
          end
          doc.css('[href]').each do |href_el|
            href = href_el.attribute('href').value rescue ""
            if href.present? && href.match(/^\/[^\/]+/)
              href.attributes["href"].value = self.remote_site_url + href
            end
          end
          tmp["text_translations"][l] = doc.to_html
        end
      end
      tmp["source-site-link"] = tmp["source-site"]
      tmp["source-site"] = "<a href=\"#{tmp["source-site"]}\" target=\"_blank\" class=\"feed-source\">#{tmp["source-site-title"]}</a>"
      tmp["link_to_show"] = !tmp["external_link"].blank? ? tmp["external_link"] : nil
      tmp["target"] = (site_root_url.blank? || tmp["link_to_show"].blank?) ? '_blank' : (tmp["link_to_show"].include?(site_root_url) ? '_self' : '_blank')
      tmp["img_src"] = tmp["image"]["thumb"] || "/assets/announcement-default.jpg"
      tmp["img_src"] = "/assets/announcement-default.jpg" if tmp["img_src"] == ""
      tmp["img_description"] = tmp["image_description_translations"][locale]
      tmp["more"] = trans[locale]['more_plus']
      tmp["view_count"] = ""
    else
      new_tmp = {}
      tmp.each do |key,value|
        key = key.to_s
        if key.include? "_translations"
          new_tmp[key] = value
          new_tmp[key.sub("_translations","")] = value[locale].to_s rescue ""
        elsif key.include?("date") || key.include?("Date")
          new_tmp[key] = DateTime.parse(value) rescue nil
        else
          if value.class == Hash
            new_tmp[key] = {}
            value.each do |sub_k,sub_v|
              if sub_k.include? "_translations"
                new_tmp[key][sub_k] = sub_v
                new_tmp[key][sub_k.sub("_translations","")] = sub_v[locale].to_s rescue ""
              else
                new_tmp[key][sub_k] = sub_v
              end
            end
          else
            new_tmp[key] = value
          end
        end
      end
      tmp = BSON::Document.new(new_tmp)
      tmp['statuses'] = []
      if self[:top_list].count == 0 || self[:top_list].exclude?(tmp['id'])
        tmp[:is_top] = false
      else
        tmp[:is_top] = true
        tmp['statuses'] << {
          "status" => trans[locale]['top'],
          "status-class" => "status-top"
        }
      end
      if self[:hot_list].count == 0 || self[:top_list].exclude?(tmp['id'])
        tmp[:is_hot] = false
      else
        tmp[:is_hot] = true
        tmp['statuses'] << {
          "status" => trans[locale]['hot'],
          "status-class" => "status-hot"
        }
      end
      tmp["category"] = cat
      tmp["source_url"] = self.remote_site_url
      tmp["source-site"] = self.remote_site_url
      tmp["source-site-title"] = (self[:channel_title][locale] rescue "")
      tmp["params"] = tmp["params"].to_s + "_" + self.feed_id.to_s + "h"
      tmp['statuses'] << {
        "status" => "<a href=\"#{tmp["source-site"]}\" target=\"_blank\" class=\"feed-source\">#{tmp["source-site-title"]}</a>",
        "status-class" => "status-source"
      }
      tmp["source-site-link"] = tmp["source-site"]
      tmp["source-site"] = "<a href=\"#{tmp["source-site"]}\" target=\"_blank\" class=\"feed-source\">#{tmp["source-site-title"]}</a>"
      tmp["target"] = "_self"
      tmp["more"] = trans[locale]['more_plus']
      tmp["view_count"] = ""
    end
    feeds_time_field = self.feeds_time_field
    feeds_time_field = 'postdate' if feeds_time_field.nil?
    time_field_value = tmp[feeds_time_field]
    tmp[feeds_time_field] = (time_field_value.blank? ? nil : time_field_value.to_time rescue time_field_value)
    tmp[feeds_time_field] = time_field_value if tmp[feeds_time_field].nil?
    return tmp
  end
  def cache_annc(force_refresh=false,locales=nil,trans=nil)
    feed = SiteFeed.find(self.feed_id)
    anns = feed.get_annc(force_refresh)
    cat = self[:category_title]
    feeds_time_field = self.feeds_time_field
    if locales.nil?
      locales = Site.first.in_use_locales rescue I18n.available_locales
    end
    if trans.nil?
      trans = {}
      locales.each do |locale|
        locale = locale.to_s
        trans[locale] = {}
        I18n.with_locale(locale) do
          trans[locale]['top'] = I18n.t(:top)
          trans[locale]['hot'] = I18n.t(:hot)
          trans[locale]['more_plus'] = I18n.t("feed.more")
        end
      end
    end
    cache_data = {}
    site_root_url = Site.first.root_url rescue ""
    locales.each do |locale|
      locale = locale.to_s
      data_for_locale = anns.collect do |a|
        tmp = process_tmp(a, locale, trans, site_root_url)
      end
      cache_data[locale.to_s] = data_for_locale
    end
    cache_data
  end

  def self.get_feed_cache(channel_key,merge_with_category=nil,site_source=nil,locale=I18n.locale.to_s,is_widget=false,max_len=nil)
    locale = I18n.locale.to_s
    max_len = ((max_len.to_i < 0 rescue true) ? 0 : max_len.to_i)
    if max_len > 0
      module_app = ModuleApp.where(:key=>channel_key).first
      feeds_time_field = module_app.feeds_time_field rescue nil
      if feeds_time_field.nil?
        feeds_time_field = 'postdate'
      end
      match_cond = {"channel_key"=>channel_key}
      if !merge_with_category.blank? && merge_with_category.exclude?('all')
        match_cond["merge_with_category"] = {"$in"=>merge_with_category}
      end
      if site_source
        match_cond["channel_title.#{locale}"] = site_source
      end
      pipeline = [
        {"$match"=>match_cond},
        {"$project"=>{"data"=>"$all_contents_for_feed.#{locale}"}},
        {"$unwind"=>"$data"},
        {"$sort"=>{"data.is_hidden"=>-1,"data.is_top"=>-1,"data.#{feeds_time_field}"=>-1}},
        {"$match"=>{"data.is_hidden"=>{"$ne"=>true},
                    "data.postdate"=>{"$lte"=>Time.now},
                    "data.title" => {"$gt"=>""}
                }
        }
      ]
      if max_len
        pipeline << {"$limit"=> max_len}
      end
      self.collection.aggregate(pipeline).collect do |data|
        tmp = data['data']
        if !(tmp['category'].is_a? String)
          tmp['category'] = tmp['category'][locale]
        end
        if @image_version != 'thumb' && !@image_version.nil?
          if @image_version == 'mobile'
            tmp["img_src"] = tmp["image"]["mobile"]
          else
            tmp["img_src"] = tmp["image"]["original"]
          end
          tmp["img_src"] = tmp["img_src"] || "/assets/announcement-default.jpg"
        end
        if tmp["link_to_show"].nil?
          if !is_widget
            tmp["link_to_show"] = UseSourceUrl && tmp["show_url"] ? URI.join("#{tmp["source_url"]}/#{locale}",URI.encode("#{tmp["show_url"]}")).to_s : OrbitHelper.url_to_show(tmp["params"]) rescue ''
          else
            tmp["link_to_show"] = UseSourceUrl && tmp["show_url"] ? URI.join("#{tmp["source_url"]}/#{locale}",URI.encode("#{tmp["show_url"]}")).to_s : OrbitHelper.widget_item_url(tmp["params"]) rescue ''
          end
        end
        tmp
      end
    else
      []
    end
  end

  def all_contents_for_feed(site_source=nil,locale=I18n.locale.to_s,is_widget=false)
    if !site_source.nil? && site_source != self[:channel_title][locale]
      return []
    end
    time_now = Time.now
    Array(self[:all_contents_for_feed][locale.to_s]).collect do |v|
      tmp = v
      next if tmp["is_hidden"]  || (!tmp["postdate"].nil? && tmp["postdate"]<Time.now) || tmp['title'].blank?
      tmp['category'] = tmp['category'][locale]
      if @image_version != 'thumb' && !@image_version.nil?
        if @image_version == 'mobile'
          tmp["img_src"] = tmp["image"]["mobile"]
        else
          tmp["img_src"] = tmp["image"]["original"]
        end
        tmp["img_src"] = tmp["img_src"] || "/assets/announcement-default.jpg"
      end
      if tmp["link_to_show"].nil?
        if !is_widget
          tmp["link_to_show"] = UseSourceUrl && tmp["show_url"] ? "#{tmp["source_url"]}/#{locale}#{tmp["show_url"]}" : OrbitHelper.url_to_show(tmp["params"]) rescue ''
        else
          tmp["link_to_show"] = UseSourceUrl && tmp["show_url"] ? "#{tmp["source_url"]}/#{locale}#{tmp["show_url"]}" : OrbitHelper.widget_item_url(tmp["params"]) rescue ''
        end
      end
      tmp
    end.compact
  end
  def channel_title(locale=I18n.locale)
    self[:channel_title][locale] rescue self[:channel_title]
  end
  def category
    Category.find(self.merge_with_category) rescue nil
  end
  def category_title
    self[:category_title][I18n.locale.to_s]
  end
end