module Phlex::Kit

def self.extended(mod)
	case mod
	when Class
		raise Phlex::ArgumentError.new(<<~MESSAGE)
			`Phlex::Kit` was extended into #{mod.name}.
			You should only extend modules with `Phlex::Kit` as it is not compatible with classes.
		MESSAGE
	else
		mod.include(LazyLoader)
	end
end

def const_added(name)
	return if autoload?(name)
	me = self
	constant = const_get(name)
	case constant
	when Class
		if constant < Phlex::SGML
			constant.include(me)
			constant = nil
			define_method(name) do |*args, **kwargs, &block|
				constant = me.const_get(name)
				render(constant.new(*args, **kwargs), &block)
			end
			define_singleton_method(name) do |*args, **kwargs, &block|
				component, fiber_id = Thread.current[:__phlex_component__]
				if (component && fiber_id == Fiber.current.object_id)
					component.instance_exec do
						constant = me.const_get(name)
						render(constant.new(*args, **kwargs), &block)
					end
				else
					raise "You can't call `#{name}' outside of a Phlex rendering context."
				end
			end
		end
	when Module
		constant.extend(Phlex::Kit)
	end
	super
end

def method_missing(name, ...)
	if name[0] == name[0].upcase && constants.include?(name) && const_get(name) && methods.include?(name)
		public_send(name, ...)
	else
		super
	end
end

def respond_to_missing?(name, include_private = false)
	(name[0] == name[0].upcase && constants.include?(name) && const_get(name) && methods.include?(name)) || super
end