require_dependency 'application_controller'
require 'radiant-clipped-extension'
require 'uuidtools'

class ClippedExtension < Radiant::Extension
  version RadiantClippedExtension::VERSION
  description RadiantClippedExtension::DESCRIPTION
  url RadiantClippedExtension::URL

  extension_config do |config|
    config.gem "uuidtools", :version => "~> 2.1.2"
    config.gem 'paperclip', :version => "~> 2.3.11"
    config.gem 'acts_as_list', :version => "~> 0.1.2"
  end
  
  migrate_from 'Paperclipped', 20100327111216
  
  def activate
    require 'paperclip/geometry_transformation'
    if Asset.table_exists?
      Page.send :include, PageAssetAssociations                                          # defines page-asset associations. likely to be generalised soon.
      Radiant::AdminUI.send :include, ClippedAdminUI unless defined? admin.asset         # defines shards for extension of the asset-admin interface
      Admin::PagesController.send :helper, Admin::AssetsHelper                           # currently only provides a description of asset sizes
      Page.send :include, AssetTags                                                      # radius tags for selecting sets of assets and presenting each one
      UserActionObserver.instance.send :add_observer!, Asset                             # the usual creator- and updater-stamping
    
      AssetType.new :image, :icon => 'image', :default_radius_tag => 'image', :processors => [:thumbnail], :styles => {:icon => ['42x42#', :png], :thumbnail => ['100x100#', :png]}, :extensions => %w[jpg jpeg png gif], :mime_types => %w[image/png image/x-png image/jpeg image/pjpeg image/jpg image/gif]
      AssetType.new :video, :icon => 'video', :processors => [:frame_grab], :styles => {:native => ['', :jpg], :icon => ['42x42#', :png], :thumbnail => ['100x100#', :png]}, :mime_types => %w[application/x-mp4 video/mpeg video/quicktime video/x-la-asf video/x-ms-asf video/x-msvideo video/x-sgi-movie video/x-flv flv-application/octet-stream video/3gpp video/3gpp2 video/3gpp-tt video/BMPEG video/BT656 video/CelB video/DV video/H261 video/H263 video/H263-1998 video/H263-2000 video/H264 video/JPEG video/MJ2 video/MP1S video/MP2P video/MP2T video/mp4 video/MP4V-ES video/MPV video/mpeg4 video/mpeg4-generic video/nv video/parityfec video/pointer video/raw video/rtx video/ogg video/webm]
      AssetType.new :audio, :icon => 'audio', :mime_types => %w[audio/mpeg audio/mpg audio/ogg application/ogg audio/x-ms-wma audio/vnd.rn-realaudio audio/x-wav]
      AssetType.new :font, :icon => 'font', :extensions => %w[ttf otf eot woff]
      AssetType.new :flash, :icon => 'flash', :default_radius_tag => 'flash', :extensions => %w{swf}, :mime_types => %w[application/x-shockwave-flash]
      AssetType.new :pdf, :icon => 'pdf', :processors => [:thumbnail], :extensions => %w{pdf}, :mime_types => %w[application/pdf application/x-pdf], :styles => {:icon => ['42x42#', :png], :thumbnail => ['100x100#', :png]}
      AssetType.new :document, :icon => 'document', :mime_types => %w[application/msword application/rtf application/vnd.ms-excel application/vnd.ms-powerpoint application/vnd.ms-project application/vnd.ms-works text/plain text/html]
      AssetType.new :other, :icon => 'unknown'
    
      admin.asset ||= Radiant::AdminUI.load_default_asset_regions                        # loads the shards defined in AssetsAdminUI
      admin.page.edit.add :form, 'assets', :after => :edit_page_parts                    # adds the asset-attachment picker to the page edit view
      admin.page.edit.add :main, 'asset_popups', :after => :edit_popups                  # adds the asset-attachment picker to the page edit view
      admin.page.edit.asset_popups.concat %w{upload_asset attach_asset}
      admin.configuration.show.add :config, 'admin/configuration/show', :after => 'defaults'
      admin.configuration.edit.add :form,   'admin/configuration/edit', :after => 'edit_defaults'
    
      if Radiant::Config.table_exists? && Radiant::config["paperclip.command_path"]    # This is needed for testing if you are using mod_rails
        Paperclip.options[:command_path] = Radiant::config["paperclip.command_path"]
      end
    
      tab "Assets", :after => "Content" do
        add_item "All", "/admin/assets/"
      end
    
      if RAILS_ENV == 'development'
        update_sass_each_request
        update_javascript_each_request
      end
    end
  end
  
  def deactivate
    
  end
  
  private
  
    def update_sass_each_request
      ApplicationController.class_eval do
        prepend_before_filter :update_assets_sass
        def update_assets_sass
          radiant_assets_sass = "#{RAILS_ROOT}/public/stylesheets/sass/admin/assets.sass"
          extension_assets_sass = "#{ClippedExtension.root}/public/stylesheets/sass/admin/assets.sass"
          FileUtils.mkpath File.dirname(radiant_assets_sass)
          if (not File.exists?(radiant_assets_sass)) or (File.mtime(extension_assets_sass) > File.mtime(radiant_assets_sass))
            FileUtils.cp extension_assets_sass, radiant_assets_sass
          end
        end
      end
    end
    
    def update_javascript_each_request
      ApplicationController.class_eval do
        prepend_before_filter :update_assets_javascript
        def update_assets_javascript
          radiant_assets_javascript = "#{RAILS_ROOT}/public/javascripts/admin/assets.js"
          extension_assets_javascript = "#{ClippedExtension.root}/public/javascripts/admin/assets.js"
          FileUtils.mkpath File.dirname(radiant_assets_javascript)
          if (not File.exists?(radiant_assets_javascript)) or (File.mtime(extension_assets_javascript) > File.mtime(radiant_assets_javascript))
            FileUtils.cp extension_assets_javascript, radiant_assets_javascript
          end
        end
      end
    end
  
end