discourse/app/controllers/bootstrap_controller.rb

# frozen_string_literal: true

class BootstrapController < ApplicationController
  skip_before_action :redirect_to_login_if_required, :check_xhr
  protect_from_forgery except: :site_settings_for_tests

  def site_settings_for_tests
    site_settings_json = SiteSetting.client_settings_json_uncached(return_defaults: true)
    theme_site_settings_json = SiteSetting.theme_site_settings_json_uncached(nil)

    render plain: <<~JS, content_type: "application/javascript"
      window.CLIENT_SITE_SETTINGS_WITH_DEFAULTS = {
        ...#{site_settings_json},
        ...#{theme_site_settings_json}
      };
    JS
  end

  def plugin_css_for_tests
    targets = Discourse.find_plugin_css_assets(include_disabled: true, desktop_view: true)
    render_css_for_tests(targets)
  end

  def core_css_for_tests
    targets = %w[color_definitions common desktop admin]
    render_css_for_tests(targets)
  end

  private

  def render_css_for_tests(targets)
    urls =
      targets.map do |target|
        details = Stylesheet::Manager.new().stylesheet_details(target, "all")
        details[0][:new_href]
      end

    stylesheet = <<~CSS
      /* For use in tests only */
      #{urls.map { |url| "@import \"#{url}\";" }.join("\n")}
    CSS

    render plain: stylesheet, content_type: "text/css"
  end
end