module Modules
  module Models
    module Wiki
      extend ActiveSupport::Concern

      included do
        after_save :create_wiki
        after_destroy :destroy_wiki
      end

      def wiki_path
        build_path(wiki_repo_name)
      end

      def wiki_repo_name
        File.join owner.uname, "#{name}.wiki"
      end

      protected

      def create_wiki
        if has_wiki && !FileTest.exist?(wiki_path)
          Grit::Repo.init_bare(wiki_path)
          wiki = Gollum::Wiki.new(wiki_path, {base_path: Rails.application.routes.url_helpers.project_wiki_index_path(owner, self)})
          wiki.write_page('Home', :markdown, I18n.t("wiki.seed.welcome_content"),
                          {name: owner.name, email: owner.email, message: 'Initial commit'})
        end
      end

      def destroy_wiki
        FileUtils.rm_rf wiki_path
      end

      module ClassMethods
      end
    end
  end
end