require 'fog'
require 'digest/md5'

module RightPublish
  module LocalStorage

    DEFAULT_LOCAL_CACHEDIR = '~/.rp_cache'
    STORAGE_KEY = :local_storage
    STORAGE_OPTIONS = { :cache_dir=>DEFAULT_LOCAL_CACHEDIR}
    def compute_md5(file)
      Digest::MD5.file(File.join(service.path_to(self.key), file.key)).hexdigest
    end

    def self.get_directories()
      Profile.log("Connecting to local cache.", :debug)
      conn = Fog::Storage.new(
        :provider=>"Local",
        :local_root=>Profile.config[STORAGE_KEY][:cache_dir] )

        Profile.log("Attaching to local cache: [#{Profile.config[STORAGE_KEY][:cache_dir]}].", :debug)
        conn.directories.create(:key=>'.') unless File.exists? Profile.config[STORAGE_KEY][:cache_dir]
        local_dir = conn.directories.get('.')
        local_dir.extend(LocalStorage)
        local_dir
    end
  end

  RightPublish::StorageManager.register_storage(LocalStorage)
end