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(defpackage #:dice-roller
  (:use #:cl)
  (:import-from #:weekend #:endpoint #:handle))

(in-package #:dice-roller)

(defconstant +digits+ "([0-9]+)")

(defclass roller ()
  ((rolls
    :reader rolls
    :initarg :rolls
    :type integer
    :documentation "The number of rolls")
   (sides
    :reader sides
    :initarg :sides
    :type integer
    :documentation "The number of sides"))
  (:documentation "")
  (:metaclass endpoint)
  (:method . :get)
  (:route-parts "roll" +digits+ "d" +digits+)
  (:extractors (:rolls parse-integer) (:sides parse-integer))
  (:content-type . "text/plain"))

(defmethod handle ((req roller))
  (with-slots (rolls sides) req
    (format nil "~ad~a ... rolled a ~a"
            rolls sides
            (loop :repeat rolls :sum (1+ (random sides))))))

(defvar *server* (make-instance 'hunchentoot:easy-acceptor
                   :port 8080))

(hunchentoot:start *server*)

;; now visit http://localhost:8080/roll/10/d/4