# Copyright (c) 2013-2016 SUSE LLC
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 3 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.   See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, contact SUSE LLC.
#
# To contact SUSE about this file by physical or electronic mail,
# you may find current contact information at www.suse.com

module Machinery
  class Ui
    class ChangedManagedFilesRenderer < Machinery::Ui::Renderer
      def content(description)
        return unless description["changed_managed_files"]

        if description["changed_managed_files"]
          files, errors = description["changed_managed_files"].partition do |file|
            file.status != "error"
          end
        end

        list do
          file_status = description["changed_managed_files"].extracted

          if files.empty?
            puts "There are no changed managed files."
          elsif !file_status.nil?
            puts "Files extracted: #{file_status ? "yes" : "no"}"
          end

          if files && !files.empty?
            files.each do |p|
              item "#{p.name} (#{p.changes.join(", ")})"
            end
          end
        end

        if errors && !errors.empty?
          list("Errors") do
            errors.each do |p|
              item "#{p.name}: #{p.error_message}"
            end
          end
        end
      end

      def display_name
        "Changed Managed Files"
      end

      def compare_content_changed(changed_elements)
        list do
          changed_elements.each do |one, two|
            changes = []
            relevant_attributes = (one.attributes.keys & two.attributes.keys)

            relevant_attributes.each do |attribute|
              if one[attribute] != two[attribute]
                changes << "#{attribute}: #{one[attribute]} <> #{two[attribute]}"
              end
            end

            item "#{one.name} (#{changes.join(", ")})"
          end
        end
      end
    end
  end
end