(in-package :remote-snake-server)

(defparameter *server-api* (make-instance 'api))

;;; Not that max buffer size is important (since snake in on a single line, snake coordinate can be cutted !)
(defparameter *server-buffer* (make-array 10000
                                          :element-type '(unsigned-byte 8)
                                          :initial-element 0))

(defun handle-client (client-socket)
  (unwind-protect ; To be sure to close the client socket
      (let ((data (read-line (usocket:socket-stream client-socket)))
            (request ""))
        (loop while (not (equalp data "#EOF")) do
              (setf request (concatenate 'string request data))
              (setf data (read-line (usocket:socket-stream client-socket) nil nil)))
        (format (usocket:socket-stream client-socket) (handle-request *server-api* request))
        (force-output (usocket:socket-stream client-socket)))
    (usocket:socket-close client-socket)))
    

;;; The server :D
(defun start (interface port)
  (format t "Server started!~%")
  (let ((socket (usocket:socket-listen interface port)))
    (unwind-protect ; To be sure to close server socket
        (loop
         (handle-client (usocket:socket-accept socket :element-type 'character)))
      (usocket:socket-close socket))))