class WebResourcesController < ApplicationController
  require 'nokogiri'
  def index
    OrbitHelper.render_css_in_head(["web_resources_front"])
    links = WebLink.where(:title.ne => "").can_display.filter_by_categories.filter_by_tags
    web_link = links.collect do |link|
       statuses = link.statuses_with_classname.collect do |status|
        {
          "status" => status["name"],
          "status-class" => "status-#{status['classname']}"
        }
      end
    if link.link_open == "new_window"
      target = "_blank"
    elsif link.link_open == "local"
      target = "_self"
    end
    doc = Nokogiri::HTML(link.title.to_s)
    text = doc.css("body")[0].text rescue ""
    if text.blank? && doc.css("img").count != 0
      text = doc.css("img").map{|img| img.attr("alt") rescue ""}.select{|t| t.present?}.first
    end
    desc = link.image_description
    desc = (desc.blank? ? "web resource image" : desc)
    display_image = link.image.thumb.url.blank? ? ' hide' : ''
    {
      "title" => link.title,
      "title_text" => text,
      "img_src" => link.image.thumb.url || "/assets/announcement-default.jpg",
      "img_description" => desc,
      "display_image" => display_image,
      "context" => nl2br(link.context.to_s),
      "statuses" => statuses,
      "category" => link.category.title,
      "link_to_show" => link.url,
      "target" => target
    }
    end
    {
      "web_link" => web_link,
      "extras" => {
        "widget-title"=>t(:web_resource)
      },
      "total_pages" => links.total_pages
    }
  end

  def widget
    cats = OrbitHelper.widget_categories || []
    tags = OrbitHelper.widget_tags || []
    tags = ['all'] if tags.blank?
    links = WebLink.where(:title.ne => "").can_display.filter_by_categories(cats, false).filter_by_tags(tags)
    web_link = links.collect do |link|
       statuses = link.statuses_with_classname.collect do |status|
        {
          "status" => status["name"],
          "status-class" => "status-#{status['classname']}"
        }
      end
      if link.link_open == "new_window"
        target = "_blank"
      elsif link.link_open == "local"
        target = "_self"
      end
      doc = Nokogiri::HTML(link.title.to_s)
      text = doc.css("body")[0].text rescue ""
      if text.blank? && doc.css("img").count != 0
        text = doc.css("img").map{|img| img.attr("alt") rescue ""}.select{|t| t.present?}.first
      end
      desc = link.image_description
      desc = (desc.blank? ? "web resource image" : desc)
      display_image = link.image.thumb.url.blank? ? ' hide' : ''
      {
        "title" => link.title,
        "title_text" => text,
        "img_src" => link.image.thumb.url || "/assets/announcement-default.jpg",
        "img_description" => desc,
        "display_image" => display_image,
        "context" => nl2br(link.context.to_s),
        "statuses" => statuses,
        "link_to_show" => link.url,
        "target" => target
      }
    end
    {
      "web_link" => web_link,
      "extras" => {"widget-title"=>t(:web_resource),"more_url" => OrbitHelper.widget_more_url}
    }
  end
  
  def nl2br(val)
    val.gsub(/\r\n/, '<br />').html_safe
  end
end