#lang imperative-syndicate

(provide standard-localhost-broker/tcp
         (struct-out broker-tcp-connection))

(require "../client.rkt")
(require "../wire-protocol.rkt")
(require "../protocol.rkt")
(require imperative-syndicate/reassert)

(require/activate imperative-syndicate/drivers/tcp)

(assertion-struct broker-tcp-connection (host port))

(define standard-localhost-broker/tcp (broker-tcp-connection "localhost" 8001))

(spawn #:name 'tcp-client-factory
       (during/spawn (broker-connection ($ address (broker-tcp-connection $host $port)))
         #:name address
         (define id (list (gensym 'client) host port))
         (reassert-on (tcp-connection id (tcp-address host port))
                      (retracted (tcp-accepted id))
                      (asserted (tcp-rejected id _)))
         (during (tcp-accepted id)
           (define accumulate! (packet-accumulator (lambda (p) (send! (broker-packet address p)))))
           (on (message (tcp-in id $bs)) (accumulate! bs))
           (generic-client-session-facet address (lambda (x) (send! (tcp-out id (encode x))))))))