module Admin
  # @note The ./config/routes/admin.rb file has a constraint around this controller
  #
  # @see https://github.com/orgs/forem/projects/46/views/1 project
  class SpacesController < Admin::ApplicationController
    layout "admin"

    after_action only: %i[update] do
      Audit::Logger.log(:internal, current_user, params.dup)
    end

    # When we change the settings of a Space, this can impact what user's see.  Thus, we need to
    # ensure we are busting the cache.
    #
    # @see ApplicationHelper#release_adjusted_cache_key ApplicationHelper#release_adjusted_cache_key
    #      produces the cache key we use for caching the homepage's top bar.
    after_action :bust_content_change_caches, only: %i[update]

    # @note I'm instantiating the @space because in the index view I'm rendering a form that then
    # PUTs to the update action.
    def index
      authorize(Space)
      @space = Space.new
    end

    # @note The initial implementation of Spaces is simply exposing a means of toggling on or off a
    #       feature flag.  Further, the Space model is an ApplicationRecord model, but instead is
    #       the bare bones for a quick yet verbose implementation of the [Authorization System: use
    #       case 1-1](see https://github.com/orgs/forem/projects/46/views/1)
    def update
      # NOTE: We're not trying to find a space, we simply are treating this as a singleton type
      # resource.
      @space = Space.new(space_params)
      authorize(@space)

      # NOTE: As of <2022-03-16 Wed> we don't have validation on a space.
      @space.save

      respond_to do |wants|
        wants.html do
          redirect_to admin_spaces_path, notice: t("admin.spaces_controller.update_success")
        end
        wants.json do
          render json: { message: t("admin.spaces_controller.update_success") }, status: :ok
        end
      end
    end

    private

    def space_params
      params.fetch(:space).permit(:limit_post_creation_to_admins)
    end
  end
end