module EventNewsHelper
  def set_image_version_for_widget
    subpart = OrbitHelper.get_current_widget
    @image_version = 'thumb'
    if subpart.methods.include? 'select_options'.to_sym
      ModuleApp.all.select{|tmp| tmp.key.to_s=='event_news'}.each do |modile_app|
        @show_options = modile_app.show_options rescue nil
      end
      subpart.select_options.each do |select_option|
        if !(@show_options.nil?) && select_option.field_name == @show_options.keys.first.to_s
          value = YAML.load(select_option.value)
          tmp = value[:en]
          I18n.with_locale(:en) do
            if tmp == t('event_news.small_size')
              @image_version = 'thumb'
            elsif tmp == t('event_news.medium_size')
              @image_version = 'mobile'
            elsif tmp == t('event_news.orignal_size')
              @image_version = 'orignal'
            end
          end
        end
      end
    end
  end
  def date_transform(variable)
    if variable.class != DateTime
      return (DateTime.parse(variable) rescue DateTime.new)
    else
      return variable
    end
  end
  def data_to_human_type(a)
    statuses = a.statuses_with_classname.collect do |status|
      {
        "status" => status["name"],
        "status-class" => "status-#{status['classname']}"
      }
    end
    files = a.event_news_files.map{|file|  { "file_url" =>  file.file.url, "file_title" => (file.title.blank? ? File.basename(file.file.path) : file.title rescue '') } if file.enabled_for?(locale) } rescue []
    files.delete(nil)
    links = a.event_news_links.map{|link|  { "link_url" => link.url, "link_title" => (link.title.blank? ? link.url : link.title) } } rescue []
    author = User.find(a.create_user_id).member_profile.name rescue ""
    desc = a.image_description
    desc = (desc.nil? || desc == "" ? "event_news image" : desc)
    link_to_show = (a.is_external_link? ? a.external_link : OrbitHelper.widget_item_url(a.to_param)) rescue ""
    target = a.is_external_link ? "_blank" : "_self"
    if @image_version == 'thumb'
      image_url = a.image.thumb.url
    elsif @image_version == 'mobile'
      image_url = a.image.mobile.url
    else
      image_url = a.image.url
    end
    {
      "event_news_links" => links,
      "event_news_files" => files,
      "title" => a.title,
      "speaker" => a.speaker,
      "host" => a.host,
      "notes" => a.notes,
      "source-site" => "",
      "source-site-title" => "",
      "source-site-link" => "",
      "subtitle" => a.subtitle,
      "statuses" => statuses,
      "category" => (a.category.title rescue ""),
      "postdate" => a.event_date,
      "event_date" => a.event_date,
      "author" => author,
      "link_to_show" => link_to_show,
      "target" => target,
      "img_src" => image_url || "/assets/announcement-default.jpg",
      "img_description" => desc
    }
  end
  def get_feed_annc(type,site_source,locale)
    ma_key = 'event_news'
    if type == "index"
      categories = Array(OrbitHelper.page_categories)
    elsif type == "widget"
      categories = Array(OrbitHelper.widget_categories)
    else
      categories = []
    end
    if categories.include?("all")
      feeds = SiteFeedAnnc.where(:channel_key => ma_key)
    else
      feeds = SiteFeedAnnc.where(:channel_key => ma_key, :merge_with_category.in => categories)
    end
    if feeds.count > 0
      temp_ids = []
      data = feeds.collect do |feed|
        feed.all_contents_for_feed(site_source,locale,type=='widget')
      end.flatten.compact
    else
      data = []
    end
    data
  end
  def get_feed_event_news(type,site_source=nil)
    locale = OrbitHelper.get_site_locale.to_s
    if !(defined? SiteFeedAnnc).nil?
      fans = get_feed_annc(type,site_source,locale)
    else
      feed_anns = OrbitHelper.get_feed_for_module(type)
      fans = []
      feed_anns.each do |fa|
        next if !site_source.nil? && site_source != fa["source-site-title"]
        status = {
          "status" => "<a href='#{fa["source-site"]}' target='_blank' class='feed-source'>#{fa["source-site-title"]}</a>",
          "status-class" => "status-source"
        }

        files = fa["event_news_files"].collect{|bf| { "file_url" => bf["url"], "file_title" => (fa["title_translations"][locale].blank? ? File.basename(fa["url"]) : fa["title_translations"][locale] rescue '') }} rescue []
        links = fa["event_news_links"].map{|link|  { "link_url" => link["url"], "link_title" => (link["title_translations"][locale].blank? ? link["url"] : link["title_translations"][locale]) } } rescue []

        x = {
          "event_news_links" => links,
          "event_news_files" => files,
          "title" => fa["title_translations"][locale],
          "speaker" => (fa["speaker_translations"][locale].to_s rescue ""),
          "host" => (fa["host_translations"][locale].to_s rescue ""),
          "notes" => (fa["notes_translations"][locale].to_s rescue ""),
          "subtitle" => fa["subtitle_translations"][locale],
          "statuses" => [status],
          "category" => fa["category"],
          "postdate" => (DateTime.parse(fa["event_date"]) rescue DateTime.now),
          "event_date" => (DateTime.parse(fa["event_date"]) rescue DateTime.now),
          "author" => fa["author"],
          "source-site" => "<a href='#{fa["source-site"]}' target='_blank' class='feed-source'>#{fa["source-site-title"]}</a>",
          "source-site-title" => fa["source-site-title"],
          "source-site-link" => fa["source-site"],
          "link_to_show" => OrbitHelper.url_to_show(fa["params"]),
          "target" => "_self",
          "img_src" => fa["image"]["thumb"] || "/assets/event_news-default.jpg",
          "img_description" => fa["image_description_translations"][locale],
          "more" => t(:more_plus),
          "view_count" => ""
        }
        if (!x["title"].empty? rescue false)
          fans << x
        end
      end
    end
    fans
  end
  def filter_by_keywords(sorted,keywords,stime,etime)
    kflag = keywords.blank?
    sflag = stime.blank?
    eflag = etime.blank?
    stime = stime.to_s.split('/')
    stime = Time.zone.local(*stime) rescue nil
    etime = etime.to_s.split('/')
    etime = Time.zone.local(*etime) rescue nil
    if !kflag || !sflag || !eflag
      sorted.select{|anns|
        if kflag
          flag = true
        else
          if anns["source-site"].present?
            title = Nokogiri::HTML(anns["title"].to_s).text
          else
            title = Nokogiri::HTML(anns.title.to_s).text
          end
          flag = title.include?(keywords.to_s)
        end
        if sflag && !eflag
          flag = flag && (anns.event_date<=etime)
        elsif !sflag && eflag
          flag = flag && (anns.event_date>=stime)
        elsif !sflag && !eflag
          flag = flag && (anns.event_date>=stime) && (anns.event_date<=etime)
        end
        flag
      }
    else
      sorted
    end
  end
  def get_sorted_event_news(data_count=nil)
    params = OrbitHelper.params
    locale = OrbitHelper.get_site_locale.to_s
    page_number = OrbitHelper.page_number.to_i
    page_number = 1 if page_number == 0
    page_data_count = data_count || OrbitHelper.page_data_count.to_i
    feeds_anns = []
    page = Page.where(url:params['url']).first
    if @type == "show_widget"
      tags = @tags
      categories = @categories
    else
      tags = page.tags
      categories = params['category']=='all' ? (page.categories || []) : ([Category.find(params['category'])] rescue (page.categories || []))
    end
    if !params["source"].present?
      if @type == "show_widget"
        if params[:uids].blank?
          event_news = EventNews.where(:title.nin => ["",nil],:is_preview.in=>[false,nil])
                          .can_display_and_sorted.is_approved
                            .filter_by_categories(categories,false).filter_by_tags(tags).to_a
        else
          member_prfile = MemberProfile.any_in(:uid=>params[:uids])
          user_ids = member_prfile.map{|m| m.user.id rescue nil}.select{|id| !id.nil?}
          event_news = EventNews.where(:title.nin => ["",nil],:is_preview.in=>[false,nil],:create_user_id.in=>user_ids)
                          .can_display_and_sorted.is_approved
                            .filter_by_categories(categories,false).filter_by_tags(tags).to_a
        end
      else
        event_news = EventNews.where(:title.nin => ["",nil],:is_preview.in=>[false,nil])
                          .can_display_and_sorted.is_approved
                            .filter_by_categories(categories,false).filter_by_tags(tags).to_a
      end
      if !(defined? SiteFeed).nil?
        if @type != "show_widget"
          feeds_anns = get_feed_event_news("index")
        else
          feeds_anns = []
        end
      end
    else
      event_news = []
      if @type != "show_widget"
        feeds_anns = get_feed_event_news("index",params["source"])
      else
        feeds_anns = []
      end
    end
    if !feeds_anns.blank?
      if event_news.count != 0
        top_anns = event_news.select{|v| v.is_top} + feeds_anns.select{|v| v['is_top']}
        rest_all_anns = feeds_anns.select{|v| v['is_top'] != true} + event_news.select{|v| !v.is_top}
        rest_anns = rest_all_anns.sort{|v1,v2|  date_transform(v2["event_date"]) <=> date_transform(v1["event_date"])}
        all_sorted = top_anns.sort{|v1,v2|  date_transform(v2["event_date"]) <=> date_transform(v1["event_date"])} + rest_anns
      else
        all_sorted = feeds_anns.select{|v| v['is_top']}.sort{|v1,v2| date_transform(v2["event_date"]) <=> date_transform(v1["event_date"])} + feeds_anns.select{|v| v['is_top'] != true}.sort{|v1,v2| (DateTime.parse(v2["event_date"].to_s) rescue DateTime.new)<=>(DateTime.parse(v1["event_date"].to_s) rescue DateTime.new)}
      end
      all_filter = filter_by_keywords(all_sorted,params[:keywords],params[:stime],params[:etime])
    else
      all_filter = filter_by_keywords(event_news,params[:keywords],params[:stime],params[:etime])
    end
    if page_data_count != 0
      sorted = all_filter[(page_number-1)*page_data_count...page_number*page_data_count]
    else
      sorted = all_filter
    end
    annc_count = all_filter.count
    total_pages = page_data_count == 0 ? 1 : (annc_count.to_f / page_data_count).ceil
    [sorted,total_pages]
  end
  def render_view_for_event_news(overridehtml=nil)
    @key = Site.first.template
    def render_link_to_edit(html, url_to_edit)
      if html.scan("{{link_to_edit}}").length == 0
        html = url_to_edit.blank? ? html : html + "<p class='admin-edit text-right'><a class='btn btn-primary' href='#{url_to_edit}'><i class='icon-edit'></i> #{t(:edit)}</a></p>"
      else
        html = url_to_edit.blank? ? html.gsub("{{link_to_edit}}","") : html.gsub("{{link_to_edit}}","<p class='admin-edit text-right'><a class='btn btn-primary' href='#{url_to_edit}'><i class='icon-edit'></i> #{t(:edit)}</a></p>")
      end
      return html
    end

    def parsing_repeats_again(elements,d,level)
      newhtml = []
      oldhtml = []
      elements.each do |el|
        html_to_render = ""
        data_name = el.attr("data-list")
        wrap_elements = el.css("*[data-list][data-level='#{level}']")
        if d[data_name]
          d[data_name].each_with_index do |item,i|
            element = el.inner_html
            if wrap_elements.count > 0
              htmls = parsing_repeats_again(wrap_elements,d[data_name][i], level + 1)
              htmls[0].each_with_index do |html,i|
                element = element.gsub(html,htmls[1][i])      
              end
            end
            item.each do |key,value|
              if !value.kind_of?(Array)
                value = value.nil? ? "" : value
                element = element.gsub("{{#{key}}}",value.to_s.html_safe)
                element = element.gsub("%7B%7B#{key}%7D%7D",value.to_s.html_safe)
                element = render_link_to_edit(element, value) if key.eql?("url_to_edit")
              end
            end
            html_to_render = html_to_render + element
          end
          temp = el.to_s
          oldhtml << temp
          temp = temp.gsub(el.inner_html, html_to_render)
          newhtml << temp
        end
      end
      [oldhtml,newhtml]
    end


    if @target_action == "index"
      filename = overridehtml.nil? ? params[:layout_type] : overridehtml
      f = File.join(Rails.root, 'app', 'templates', "#{@key}", 'modules', 'event_news', "#{filename}.html.erb")
      if !File.exists?f
        f = File.join(Rails.root, 'app', 'templates', "#{@key}", 'modules', 'event_news', "index.html.erb")
        if !File.exists?f
          return "<div class='well'>Maybe the administrator has changed the theme, please select the index page design again from the page settings.</div>".html_safe
        end
      end
      file =  File.open(f)
      doc = Nokogiri::HTML(file, nil, "UTF-8")
      file.close
      controller = EventNewsController.new
      begin 
        data = @data# rescue nil
      rescue Exception => e  
       write_debug_file(e,'event_news',@target_action) if Site::DEBUG
      end 
      if !data.nil?
        wrap_elements = doc.css("*[data-list][data-level='0']")
        htmls = parsing_repeats_again(wrap_elements,data,1)
        html = doc.to_s
        htmls[0].each_with_index do |h,i|
          html = html.gsub(h,htmls[1][i])
        end
        extras = data["extras"] || {}
        extras["page-title"] = Page.find_by(:page_id => params[:page_id]).name rescue "" if !extras["page-title"]
        extras.each do |key,value|
          value = value.nil? ? "" : value
          html = html.gsub("{{#{key}}}",value.to_s.html_safe)
          html = html.gsub("%7B%7B#{key}%7D%7D",value.to_s.html_safe)
        end
        total_pages = data['total_pages'].to_i rescue 1
        if total_pages > 1
          html = html.gsub("{{pagination_goes_here}}",create_pagination(total_pages))
        else
          html = html.gsub("{{pagination_goes_here}}","");
        end
        html.html_safe
      else
        return "<div class='well'>No content to show.</div>".html_safe
      end
    else
      filename = overridehtml.nil? ? @target_action : overridehtml
      f = File.join(Rails.root, 'app', 'templates', "#{@key}", 'modules', 'event_news', "#{filename}.html.erb")
      if File.exists?f
        file =  File.open(f)
        doc = Nokogiri::HTML(file, nil, "UTF-8")
        file.close
        controller = EventNewsController.new
        begin 
          data = @data# rescue nil
        rescue Exception => e  
          write_debug_file(e,'event_news',@target_action) if Site::DEBUG
        end 
        if data.nil?
          return "<div class='well'> No content to show. </div>".html_safe
        end

        if data.blank? || data.empty?
          file =  File.open("#{Rails.root}/app/views/errors/404.html")
          doc = Nokogiri::HTML(file, nil, "UTF-8")
          file.close
          doc.to_html.html_safe
        else
          unless data['impressionist'].blank?
            Thread.new do
              impression = data['impressionist'].impressions.create
              impression.user_id = request.session['user_id']
              impression.controller_name = 'event_news'
              impression.action_name = @target_action
              impression.ip_address = request.remote_ip
              impression.session_hash = request.session.id
              impression.request_hash = @impressionist_hash
              impression.referrer = request.referrer
              impression.save
            end
            data['impressionist'].inc(view_count: 1)
            data["data"]["view_count"] = data["impressionist"].view_count if data["data"].present?
          end
          wrap_elements = doc.css("*[data-list][data-level='0']")
          if wrap_elements.count == 0
            wrap_element_html = doc.to_s
            el = wrap_element_html
            data.each do |key,value|
                next if key.eql? 'impressionist'
              value = value.nil? ? "" : value
              el = el.gsub("{{#{key}}}",value.to_s.html_safe)
              el = el.gsub("%7B%7B#{key}%7D%7D",value.to_s.html_safe)
            end
            el.html_safe
          else
            keys = data.keys
            not_array_key = nil
            data.keys.each do |key|
              not_array_key = key if data["#{key}"].kind_of?(Hash)
            end
            htmls = parsing_repeats_again(wrap_elements,data,1)
            html = doc.to_s
            htmls[0].each_with_index do |h,i|
              html = html.gsub(h,htmls[1][i])
            end
            extras = data["#{not_array_key}"] || {}
            extras.each do |key,value|
              next if key.eql? 'impressionist'
              value = value.nil? ? "" : value
              html = html.gsub("{{#{key}}}",value.to_s)
              html = html.gsub("%7B%7B#{key}%7D%7D",value.to_s)
            end
            html = render_link_to_edit(html, data["url_to_edit"]) if !data["url_to_edit"].nil?
            total_pages = data['total_pages'].to_i rescue 1
            if @show_page == "false"
              html = html.gsub("{{pagination_goes_here}}","")
            else
              if total_pages > 1
                html = html.gsub("{{pagination_goes_here}}",create_pagination(total_pages))
              else
                html = html.gsub("{{pagination_goes_here}}","")
              end
            end
            html = Nokogiri::HTML.parse(html)
            html.css('.i-event_news__page-title').remove
            dates = html.css("*[date-format]")
            if !dates.blank?
              dates.each do |d|
                begin
                  format = d.attributes["date-format"].value
                  date = DateTime.parse(d.inner_text)
                  d.inner_html = d.inner_html.gsub(d.inner_text.strip, " " + date.strftime(format))
                rescue
                  next
                end
              end
            end
            html.css("body").to_html.html_safe
          end
        end
      else
        return "<div class='well'>There is a problem with the design. We will try to fix it as soon as possible. Sorry for the inconvenience!! :(</div>".html_safe
      end
    end
  end
  def get_layouts(module_app)
    layout_types = []
    @key = Site.first.template
    f = File.join("#{Rails.root}/app/templates/#{@key}/modules/#{module_app}/info.json")
    if File.exists?f
      info = File.read(f)
      hash = JSON.parse(info) rescue {}
      frontends = hash["frontend"] || []
      frontends.each do |frontend|
        frontend["thumbnail"] = "/assets/#{module_app}/thumbs/#{frontend["thumbnail"]}"
        layout_types <<  frontend
      end
    end
    if layout_types.empty?
      Dir.glob("#{Rails.root}/app/templates/#{@key}/modules/#{module_app}/*").each do |w|
        next if File.ftype(w).eql?("directory")
        w = File.basename(w, ".*") 
        w = File.basename(w, ".*") 
        if w[0,1] != "_" && w[0,1] != "s" && w != "info"
          layout_types << w
        end
      end
    end
    layout_types
  end
end