#! /usr/bin/env racket
#lang racket
;;; vim:ft=racket:

(require (prefix-in  env:  web-server/servlet-env)
         (prefix-in  log:  web-server/dispatchers/dispatch-log)
         (prefix-in  res:  web-server/configuration/responders)
         (prefix-in  xpr:  web-server/http/xexpr))

;; TODO SSL

(module+ main
  (let* ([program (path->string (find-system-path 'run-file))]
         [log-file (string-append program ".log")]
         [listen-addr "0.0.0.0"]
         [listen-port 8000]
         [paths-to-serve '()]
         [browser? #f])
    (command-line
      #:program program
      #:once-each
      [("-b" "--browser")
       "Launch web browser."
       (set! browser? #t)]
      [("-a" "--addr")
       ip-addr "Listen address."
       (set! listen-addr ip-addr)]
      [("-p" "--port")
       port-number "Listen port."
       (set! listen-port port-number)]
      [("-l" "--log")
       file "Log file."
       (set! log-file file)]
      #:args (path . paths)
      (set! paths-to-serve (cons path paths)))
    (define (custom-dispatcher _)
      (xpr:response/xexpr
        '(html
          (head)
          (body "if you're reading this - server configuration is wrong."))))
    (env:serve/servlet
      custom-dispatcher
      #:listen-ip listen-addr
      #:port listen-port
      #:launch-browser? browser?
      #:extra-files-paths paths-to-serve
      #:log-file log-file
      #:log-format log:paren-format
      #:servlet-path ""
      ;#:servlet-regexp #rx"" ; <-- causes / to be routed to custom-dispatcher.
      )))