class ApplicationController < ActionController::Base
  # Only allow modern browsers supporting webp images, web push, badges, import maps, CSS nesting, and CSS :has.
  allow_browser versions: :modern

  def render_stream(notice: nil, alert: nil, &)
    flash.now[:notice] = notice if notice
    flash.now[:alert] = alert if alert

    proxy_stream = ProxyStream.new(turbo_stream)
    proxy_stream.replace(:flash, partial: 'layouts/components/flash') if flash.any?
    yield(proxy_stream) if block_given?
    render turbo_stream: proxy_stream.elements
  end

  class ProxyStream
    # see: https://turbo.hotwired.dev/reference/streams
    STREAM_ACTIONS = %i[append prepend replace update remove before after refresh].freeze
    STREAM_ACTIONS.each do |method|
      define_method(method) do |*streamables, **attributes|
        @elements << @turbo_stream.send(method, *streamables, **attributes)
      end
    end

    attr_reader :elements

    def initialize(turbo_stream)
      @turbo_stream = turbo_stream
      @elements = []
    end
  end
  private_constant(:ProxyStream)
end