class Object

# File lib/pagelime_rails.rb, line 11
def cms_api_signature(req)
  secret = ENV['PAGELIME_ACCOUNT_SECRET']
  signature = Base64.encode64("#{OpenSSL::HMAC.digest('sha1',secret,req)}")
  return signature
end

# File lib/pagelime_rails.rb, line 92
def cms_process_html_block(page_path=nil, html="",fragment=true)


    unless pagelime_environment_configured?
      puts "PAGELIME CMS PLUGIN: Environment variables not configured"
      return html
    end
  
    # use nokogiri to replace contents
    doc = fragment ? Nokogiri::HTML::DocumentFragment.parse(html) : Nokogiri::HTML::Document.parse(html) 
    editable_regions = doc.css(".cms-editable")
    shared_regions = doc.css(".cms-shared")
    
    region_client_ids = Array.new
      
    editable_regions.each do |div| 
    region_client_ids.push div["id"]
    end
    
    cms_process_html_block_regions(editable_regions, fetch_cms_xml(page_path,region_client_ids))
    cms_process_html_block_regions(shared_regions,fetch_cms_shared_xml())
      
    return doc.to_html
    
end

# File lib/pagelime_rails.rb, line 64
def cms_process_html_block_regions(editable_regions, xml_content)

    editable_regions.each do |div| 
    
    # Grab client ID
    client_id = div["id"]
    
    puts "PAGELIME CMS PLUGIN: parsing xml"
    soap = Nokogiri::XML::Document.parse(xml_content)
    puts "PAGELIME CMS PLUGIN: looking for region: #{client_id}"
    xpathNodes = soap.css("EditableRegion[@ElementID=\"#{client_id}\"]")
    puts "regions found: #{xpathNodes.count}"
    if (xpathNodes.count > 0)
      new_content = xpathNodes[0].css("Html")[0].content()
      
      puts "PAGELIME CMS PLUGIN: NEW CONTENT:"
      puts new_content
      
      if (new_content)
        # div.content = "Replaced content"
        div.replace new_content
      end
    end
    
    end

end

# File lib/pagelime_rails.rb, line 17
def fetch_cms_shared_xml
  xml_content = Rails.cache.fetch("cms:shared", :expires_in => 1.year) do
    puts "PAGELIME CMS PLUGIN: NO SHARED CACHE... loading xml"
    # set input values
    key = ENV['PAGELIME_ACCOUNT_KEY']
    
    # get the url that we need to post to
    http = Net::HTTP::new('s3.amazonaws.com',80)
    
    # send the request
    response = http.get("/cms_assets/heroku/#{key}/shared-regions.xml")
    
    # puts "PAGELIME CMS PLUGIN: response XML: #{response.body}"
    
    xml_content = response.body
    
    xml_content
  end
  
  return xml_content
  
end

# File lib/pagelime_rails.rb, line 40
def fetch_cms_xml(page_path, element_ids)

  page_key = Base64.encode64(page_path)
  xml_content = Rails.cache.fetch("cms:#{page_key}", :expires_in => 1.year) do
    puts "PAGELIME CMS PLUGIN: NO '#{page_path}' CACHE... loading xml"
    # set input values
    key = ENV['PAGELIME_ACCOUNT_KEY']
    
    # get the url that we need to post to
    http = Net::HTTP::new('s3.amazonaws.com',80)
    
    response = http.get("/cms_assets/heroku/#{key}/pages#{page_path}.xml")
    
    # puts "PAGELIME CMS PLUGIN: response XML: #{response.body}"
    
    xml_content = response.body
    
    xml_content
  end
  
  return xml_content
  
end

# File lib/pagelime_rails.rb, line 143
def initialize_pagelime_plugin
  
  puts "PAGELIME CMS PLUGIN: initializing"
  
  # add dependencies to load paths
  %w{ models controllers helpers }.each do |dir|
    path = File.join(File.dirname(__FILE__), 'app', dir)
    $LOAD_PATH << path
    
    if Rails::VERSION::MAJOR == 2
      ActiveSupport::Dependencies.load_paths << path
      ActiveSupport::Dependencies.load_once_paths.delete(path)
    elsif Rails::VERSION::MAJOR == 3
      ActiveSupport::Dependencies.autoload_paths << path
      ActiveSupport::Dependencies.autoload_once_paths.delete(path)
    end
  end
  
  # wire controller extensions
  ActionController::Base.extend PagelimeControllerExtensions
  
  # wire helper
  require "app/helpers/pagelime_helper" 
  ActionView::Base.send :include, PagelimeHelper
  
end

# File lib/pagelime_rails.rb, line 5
def pagelime_environment_configured?
  ENV['PAGELIME_ACCOUNT_KEY'] != nil &&
  ENV['PAGELIME_ACCOUNT_SECRET'] != nil &&
  ENV['PAGELIME_HEROKU_API_VERSION']
end