;;
;; nts.el - Copyright 2009 Dan Smith KK7DS (dsmith at danplanet dot com)
;;
;; To use, place the following in ~/.emacs:
;;
;;  (require 'nts)
;;
;; To instantiate a form, execute M-x nts-make-form RET
;;
;; The Validate, SENT, and RECV buttons will save the form in the Active
;; or Completed queues as appropriate.
;;
;; Version 10/8/2009

(setq nts-message-path (expand-file-name "~/NTS"))
(setq nts-active-queue "Active")
(setq nts-completed-queue "Completed")

(defun nts-count-message (message check)
  "Count the number of words in message and make sure it's equal
to check.  Return a status string"
   (let ((copy (length (split-string message)))
	 (recv (string-to-number check)))
     (if (= copy recv) "OK" 
       (if (< copy recv)
	   (concat "Missing " (number-to-string (- recv copy)) " word(s)")
	 (concat (number-to-string (- copy recv)) " extra words")))))

(defun nts-save ()
  "Save the message, renaming to CALL_NUMBER.txt and placing in
the Active queue, if necessary"
  (if (string= (buffer-name) "*NTS*")
      (let ((fn (concat (widget-value nts-s-origin) "_"
			(widget-value nts-number) ".txt")))
	(rename-buffer fn)
	(setq buffer-file-name (concat nts-message-path "/"
				       nts-active-queue "/" fn))))
  (save-buffer))

(defun nts-completed ()
  "Mark the message as completed by moving it into the Completed
queue"
  (let ((old-fn buffer-file-name))
    (setq buffer-file-name (concat nts-message-path "/"
				   nts-completed-queue  "/"
				   (buffer-name)))
    (save-buffer)
    (delete-file old-fn)))

(defun nts-validate (widget &rest ignore)
  "Validate the message by upcasing the header and verifying the
check.  Also save the message in the active queue."
  (dolist (widget (list nts-precedence nts-hx nts-s-origin))
		  (widget-value-set widget (upcase (widget-value widget))))
  (let ((status (nts-count-message (widget-value nts-message)
				  (widget-value nts-check))))
    (use-local-map widget-keymap)
    (widget-setup)
    (nts-save)
    (message status)))

(defun nts-timestamp ()
  "Return a timestamp for the received/sent fields"
  (format-time-string "%m/%d/%Y %H%M"))
  
(defun nts-make-form ()
  "Create an NTS form" 
  (interactive)
  (switch-to-buffer "*NTS*")
  (kill-all-local-variables)
  (let ((inhibit-read-only t))
    (erase-buffer))
  (remove-overlays)
  (make-local-variable 'nts-number)
  (make-local-variable 'nts-precedence)
  (make-local-variable 'nts-hx)
  (make-local-variable 'nts-s-origin)
  (make-local-variable 'nts-p-origin)
  (make-local-variable 'nts-check)
  (make-local-variable 'nts-date)
  (make-local-variable 'nts-recip)
  (make-local-variable 'nts-phone)
  (make-local-variable 'nts-message)
  (make-local-variable 'nts-signature)
  (make-local-variable 'nts-recv)
  (make-local-variable 'nts-sent)
  (setq nts-number (widget-create 'editable-field
				  :size 1
				  :format "Num: %v "
				  ""))
  (setq nts-precedence (widget-create 'editable-field
				      :size 1
				      :format "Prec: %v "
				      ""))
  (setq nts-hx (widget-create 'editable-field
			      :size 1
			      :format "HX: %v "
			      ""))
  (setq nts-s-origin (widget-create 'editable-field
				    :size 1
				    :format "Station: %v "
				    ""))
  (setq nts-check (widget-create 'editable-field
				 :size 1
				 :format "Check: %v "
				 ""))
  (setq nts-p-origin (widget-create 'editable-field
				    :size 1
				    :format "Place: %v "
				    ""))
  (setq nts-date (widget-create 'editable-field
				:size 1
				:format "Date: %v "
				""))
  (insert "\n")
  (setq nts-recip (widget-create 'text
				 :format "To:\n%v"
				 ""))
  (setq nts-phone (widget-create 'editable-field
				 :size 1
				 :format "Phone: %v "
				 ""))
  (insert "\n\n")
  (setq nts-message (widget-create 'text
				   :format "Message:\n%v"
				   ""))
  (insert "\n")
  (setq nts-signature (widget-create 'editable-field
				     :format "Signed: %v "
				     :size 1
				     ""))
  (widget-create 'push-button
		 :notify (lambda (widget &rest ignore)
			   (nts-validate widget))
		 "Validate")
  (insert "\n\n")
  (setq nts-recv (widget-create 'editable-field
				:format "Recv'd: %v "
				:size 1
				""))
  (widget-create 'push-button
		 :notify (lambda (widget &rest ignore)
			   (widget-value-set widget (nts-timestamp))
			   (nts-save))
		 "RECV")
  (setq nts-sent (widget-create 'editable-field
				:format " Sent: %v "
				:size 1
				""))
  (widget-create 'push-button
		 :notify (lambda (widget &rest ignore)
			   (widget-value-set widget (nts-timestamp))
			   (nts-completed))
		 "SENT")
  (insert "\n")
  (use-local-map widget-keymap)
  (widget-setup)
  (goto-char 6)

  (set-frame-width (selected-frame) 110)
  (set-frame-height (selected-frame) 30)
  )

(provide 'nts)