class Falcon::Rackup::Handler

def self.endpoint_for(**options)
	host = options[:Host] || "localhost"
	port = Integer(options[:Port] || 9292)
	
	return ::IO::Endpoint.tcp(host, port)
end

def self.run(app, **options)
	app = ::Protocol::Rack::Adapter.new(app)
	
	Sync do |task|
		endpoint = endpoint_for(**options)
		server = ::Falcon::Server.new(app, endpoint, protocol: Async::HTTP::Protocol::HTTP1, scheme: SCHEME)
		
		server_task = server.run
		
		wrapper = self.new(server, task)
		
		yield wrapper if block_given?
		
		server_task.wait
	ensure
		server_task.stop
		wrapper.close
	end
end

def self.to_s
	"Falcon v#{Falcon::VERSION}"
end

def close
	@notification&.close
	@notification = nil
	
	@waiter&.stop
	@waiter = nil
end

def initialize(server, task)
	@server = server
	@task = task
	
	@notification = Thread::Queue.new
	
	@waiter = @task.async(transient: true) do
		@notification.pop
		
		@task&.stop
		@task = nil
	end
end

def stop
	@notification&.push(true)
end