class Cms::ApplicationController < ApplicationController
  include Cms::Authentication::Controller
  include Cms::ErrorHandling

  helper :all # include all helpers, all the time

  helper Cms::ApplicationHelper
  helper Cms::FormTagHelper
  include Cms::PathHelper
  helper Cms::PathHelper
  include Cms::PageHelper
  helper Cms::PageHelper
  helper Cms::MenuHelper
  
  protected
    def escape_javascript(javascript)
      (javascript || '').gsub('\\','\0\0').gsub('</','<\/').gsub(/\r\n|\n|\r/, "\\n").gsub(/["']/) { |m| "\\#{m}" }
    end
  
    def redirect_to_first(*urls)
      urls.each do |url|
        unless url.blank?
          return redirect_to(url)
        end
      end
    end
    
    def current_site
      @current_site ||= Site.find_by_domain(request.host)
    end
     
    def redirect_to_cms_site
      if perform_caching && !cms_site?
        redirect_to(url_with_cms_domain_prefix)
      end
    end 
  
    def append_to_query_string(url, *params)
      new_url = url["?"] ? url : "#{url}?"
      new_url << params.map{|k,v| "#{k.to_s}=#{CGI::escape(v.to_s)}"}.join("&")
    end
  
    def cms_access_required
      raise Cms::Errors::AccessDenied unless current_user.able_to?(:administrate, :edit_content, :publish_content)
    end
  
    def self.check_permissions(*perms)
      opts = Hash === perms.last ? perms.pop : {}
      before_filter(opts) do |controller|
        raise Cms::Errors::AccessDenied unless controller.send(:current_user).able_to?(*perms)
      end      
    end  
  
    def cms_domain_prefix
      "cms"
    end
  
    def cms_site?
      subdomains = request.subdomains
      subdomains.shift if subdomains.first == "www"
      subdomains.first == cms_domain_prefix
    end
  
    def url_with_cms_domain_prefix
      if cms_site?
        request.url
      elsif request.subdomains.first == "www"
        request.url.sub(/www\./, "#{cms_domain_prefix}.")
      else
        request.url.sub(/:\/\//, "://#{cms_domain_prefix}.")
      end
    end
  
    def url_without_cms_domain_prefix
      request.url.sub(/#{cms_domain_prefix}\./,'')
    end
  
end