# frozen_string_literal: true

# Redmine plugin for Document Management System "Features"
#
# Daniel Munn <dan.munn@munnster.co.uk>, Karel Pičman <karel.picman@kontron.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

module RedmineDmsf
  module Webdav
    # Project resource
    class ProjectResource < BaseResource
      include Redmine::I18n

      def children
        return @children if @children

        @children = []
        return @children unless project

        # Sub-projects
        load_projects(project.children) if RedmineDmsf.dmsf_projects_as_subfolders?
        return @children unless project.module_enabled?(:dmsf)

        # Folders
        if User.current.allowed_to?(:view_dmsf_folders, project)
          project.dmsf_folders.visible.pluck(:title).each do |title|
            @children.push child(title)
          end
        end
        # Files
        if User.current.allowed_to?(:view_dmsf_files, project)
          project.dmsf_files.visible.pluck(:name).each do |name|
            @children.push child(name)
          end
        end
        @children
      end

      def exist?
        project&.visible?
      end

      def collection?
        true
      end

      def creation_date
        project&.created_on
      end

      def last_modified
        project&.updated_on
      end

      def etag
        format '%<inode>x-%<size>x-%<modified>x',
               inode: 0, size: 4096, modified: (last_modified ? last_modified.to_i : 0)
      end

      def name
        ProjectResource.create_project_name(project)
      end

      def long_name
        "[#{project&.name}]"
      end

      def content_type
        'inode/directory'
      end

      def special_type
        l(:field_project)
      end

      def content_length
        4096
      end

      def get(_request, response)
        html_display
        response['Content-Length'] = response.body.bytesize.to_s
        response['Content-Type'] = 'text/html'
        OK
      end

      def make_collection
        MethodNotAllowed
      end

      def move(_dest)
        MethodNotAllowed
      end

      def delete
        MethodNotAllowed
      end

      def lock(_args)
        e = Dav4rack::LockFailure.new
        e.add_failure @path, MethodNotAllowed
        raise e
      end

      def self.create_project_name(prj)
        return unless prj

        if RedmineDmsf.dmsf_webdav_use_project_names?
          "[#{DmsfFolder.get_valid_title(prj.name)} #{prj.id}]"
        else
          "[#{prj.identifier}]"
        end
      end
    end
  end
end
