module Fog
  module Compute
    class Ecloud
      module Shared
        def validate_upload_file_options(options)
          required_opts = [:file, :path, :credentials]
          unless required_opts.all? { |opt| options.key?(opt) }
            raise ArgumentError.new("Required data missing: #{(required_opts - options.keys).map(&:inspect).join(', ')}")
          end
        end
      end

      class Real
        def virtual_machine_upload_file(vm_uri, options)
          validate_upload_file_options(options)
          request(
            :expects => 204,
            :method => "POST",
            :headers => { "Content-Type" => "application/octet-stream", "X-Guest-User" => options[:credentials][:user], "X-Guest-Password" => options[:credentials][:password], "Content-Range" => "0-#{options[:file].bytesize - 1}/#{options[:file].bytesize}" },
            :body => options[:file],
            :uri => vm_uri + "?path=#{options[:path]}",
            :parse => true
          )
        end
      end
    end
  end
end
