#! /usr/local/bin/runlisp
;;; -*-lisp-*-

;; (format t "Startup!~%")
(asdf:operate 'asdf:load-op 'mdw :verbose nil)
(use-package '#:mdw.optparse)

(defvar opt-bool nil)
(defvar opt-int nil)
(defvar opt-list nil)
(defvar opt-int-list nil)
(defvar opt-string nil)
(defvar opt-keyword nil)
(defvar opt-enum nil)
(defvar opt-counter 2)

(defconstant options
  (options
   "Help options"
   (#\h "help"
	(lambda (arg)
	  (declare (ignore arg))
	  (show-help *program-name* "1.0.0" "usage-blah" options)
	  (exit 0))
	("Show this help text."))
   (   "version"
       (lambda (arg)
	 (declare (ignore arg))
	 (format t "~A, version ~A~%" *program-name* "1.0.0")
	 (exit 0))
       ("Show ~A's version number." *program-name*))
   "Test options"
   (#\b "boolean" (set opt-bool) (clear opt-bool)
	("Set (or clear, if negated) the boolean flag."))
   (#\i "integer" (:arg "INT") (int opt-int :min -10 :max 10)
	("Set an integer between -10 and +10."))
   (#\l "list" (:arg "STRING") (list opt-list)
	("Stash an item in the string list."))
   (#\I "int-list" (:arg "INT")
	(list opt-int-list 'int :min -10 :max 10)
	("Stash an integer between -10 and +10 in the int list."))
   (#\s "string" (:arg "STRING") (string opt-string)
	("Set a string."))
   (#\q "quiet" (dec opt-counter 0)
	("Be more quiet."))
   (#\v "verbose" (inc opt-counter 5)
	("Be more verbose."))
   (#\Q "very-quiet" (dec opt-counter 0 3)
	("Be much more quiet."))
   (#\V "very-verbose" (inc opt-counter 5 3)
	("Be much more verbose."))
   (#\k "keywword" (:arg "KEYWORD") (keyword opt-keyword)
	("Set an arbitrary keyword."))
   (#\e "enumeration" (:arg "ENUM")
	(keyword opt-enum :apple :apple-pie :abacus :banana)
	("Set a keyword from a fixed set."))))

(defun test (args)
  (let ((op (make-option-parser (cdr args) options)))
    (unless (option-parse-try
	      (loop
		 (multiple-value-bind (opt arg) (option-parse-next op)
		   (unless opt (return))
		   (format t "Option ~S: `~A'~%" opt arg))))
      (exit 1))
    (format t "Non-option arguments: ~S~%" (option-parse-remainder op))
    (format t "boolean: ~S~%" opt-bool)
    (format t "integer: ~S~%" opt-int)
    (format t "list: ~S~%" opt-list)
    (format t "int-list: ~S~%" opt-int-list)
    (format t "string : ~S~%" opt-string)
    (format t "counter: ~S~%" opt-counter)
    (format t "keyword: ~S~%" opt-keyword)
    (format t "enum: ~S~%" opt-enum)))
(test *command-line-strings*)