require "roda"

class App < Roda
  plugin :render, engine: :phlex

  route do |r|
    r.root do
      # render("hello", locals: {name: "Alice"})
      view("hello", locals: {name: "Alice"})
    end
  end
end

require "tilt/template"
require "phlex"

module Tilt
  class PhlexTemplate < Template
    def prepare
    end

    # I have no idea how this works - it's just copied pretty much blindly from here:
    #
    # https://github.com/phlex-ruby/phlex-rails/blob/main/lib/phlex/rails/layout.rb#L18
    def evaluate(scope, locals, &block)
      klass = Class.new(Phlex::HTML)
      klass.class_eval(data, __FILE__, __LINE__)
      component = klass.new(**locals)
      component.call do |yielded|
        output = yield
        component.unsafe_raw(output)
      end
    end

    # Not sure if this is better...?
    # def precompiled_preamble(*)       = "klass = Class.new(Phlex::HTML) do"
    # def precompiled_template(*)       =   data
    # def precompiled_postamble(locals) = <<~RUBY
    #                                     end
    #                                     component = klass.new(**locals)
    #                                     component.call do |yielded|
    #                                       output = yield
    #                                       component.unsafe_raw(output)
    #                                     end
    #                                     RUBY
  end
end

Tilt.register(Tilt::PhlexTemplate, "phlex")