#!/usr/bin/guile -s
!#

;  Dolda Connect - Modular multiuser Direct Connect-style client
;  Copyright (C) 2007 Fredrik Tolf <fredrik@dolda2000.com>
;  
;  This program is free software; you can redistribute it and/or modify
;  it under the terms of the GNU General Public License as published by
;  the Free Software Foundation; either version 2 of the License, or
;  (at your option) any later version.
;  
;  This program is distributed in the hope that it will be useful,
;  but WITHOUT ANY WARRANTY; without even the implied warranty of
;  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;  GNU General Public License for more details.
;  
;  You should have received a copy of the GNU General Public License
;  along with this program; if not, write to the Free Software
;  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

(use-modules (dolcon ui))
(use-modules (ice-9 pretty-print) (ice-9 rdelim))

(define fnetnodes '())

(define (make-getopt opts optdesc)
  (let ((arg opts) (curpos 0) (rest '()))
    (lambda ()
      (if (eq? arg '()) rest
	  (let ((ret #f))
	    (while (not ret)
		   (if (= curpos 0)
		       (if (eq? (string-ref (car arg) 0) #\-)
			   (set! curpos 1)
			   (begin
			     (set! rest (append rest (list (car arg))))
			     (set! arg (cdr arg))
			     (if (eq? arg '())
				 (set! ret #t)))))
		   (if (> curpos 0)
		       (if (< curpos (string-length (car arg)))
			   (begin (set! ret (string-ref (car arg) curpos)) (set! curpos (+ curpos 1)))
			   (begin (set! curpos 0) (set! arg (cdr arg)) (if (eq? arg '()) (set! ret #t))))))
	    (if (eq? ret #t) rest
		(let ((opt (string-index optdesc ret)))
		  (if (eq? opt #f) (throw 'illegal-option ret)
		      (if (and (< opt (- (string-length optdesc) 1)) (eq? (string-ref optdesc (+ opt 1)) #\:))
			  (let ((ret
				 (cons ret (let ((optarg
						  (if (< curpos (string-length (car arg)))
						      (substring (car arg) curpos)
						      (begin (set! arg (cdr arg)) (if (eq? arg '()) (throw 'requires-argument ret)) (car arg)))))
					     (set! arg (cdr arg)) optarg))))
			    (set! curpos 0)
			    ret)
			  (list ret))))))))))

(define (fn-getnames)
  (let ((resp (dc-ecmd "lsnodes")) (er #f))
    (if (and resp (begin (set! er (dc-extract resp)) er) (= (cdr (assoc 'code er)) 200))
	(let ((ires #f))
	  (while (begin (set! ires (dc-intresp resp)) ires)
		 (if (assoc (car ires) fnetnodes)
		     (set-cdr! (assoc (car ires) fnetnodes) (list-ref ires 5))
		     (set! fnetnodes (cons (cons (car ires) (list-ref ires 5)) fnetnodes))))))))

(define (fn-getname id)
  (if (not (assoc id fnetnodes))
      (fn-getnames))
  (if (assoc id fnetnodes)
      (cdr (assoc id fnetnodes))
      (number->string id)))

;(define (fn-getname id)
;  (let ((resp (dc-ecmd "lsnodes")) (er #f))
;    (if (and resp (begin (set! er (dc-extract resp)) er) (= (cdr (assoc 'code er)) 200))
;	(begin
;	  (catch 'found
;		 (lambda ()
;		   (let ((ires #f))
;		     (while (begin (set! ires (dc-intresp resp)) ires)
;			    (if (= (car ires) id)
;				(throw 'found (caddr ires)))
;			    ))
;		   (number->string id)
;		   )
;		 (lambda (key ret)
;		   ret)))
;	(number->string id)))
;  )

(define (chatlog-main args)
  (let ((dc-server #f) (log-dir #f) (last-fn #f))
    (let ((getopt (make-getopt (cdr args) "hs:S:e:")) (arg #f))
      (do ((arg (getopt) (getopt))) ((not (and (pair? arg) (char? (car arg)))) (set! args arg))
	(cond ((eq? (car arg) #\h)
	       (begin (display "usage: chatlog [-s server] [-d log-dir]\n" (current-error-port))
		      (display "       chatlog -h\n" (current-error-port))
		      (exit 0)))
	      ((eq? (car arg) #\s)
	       (set! dc-server (cdr arg)))
	      ((eq? (car arg) #\d)
	       (set! log-dir (cdr arg)))
	      )
	)
      )
    (if (not log-dir) (set! log-dir (string-append (getenv "HOME") "/dc/chatlog")))

    (dc-c&l #t dc-server #t)
    (dc-ecmd-assert 200 "notify" "fn:chat" "on" "fn:act" "on")

    (while #t
	   (dc-select 10000)
	   (while (let ((resp (dc-getresp)))
		    (if resp
			(begin
			  (let* ((er (dc-extract resp)) (code (cdr (assoc 'code er))) (cmd (cdr (assoc 'cmd er))))
			    (cond
			     ((equal? cmd ".notify")
			      (case code
				((600)
				 (let ((ires (list->vector (dc-intresp resp))))
				   (if ires
				       (let ((p (open-file
						 (string-append log-dir "/"
								(let ((fixedname (list->string
										  (map (lambda (c) (if (eq? c #\/) #\_ c))
										       (string->list (fn-getname (vector-ref ires 0)))))))
								  (if (= (string-length fixedname) 0) "noname" fixedname)))
						 "a")))
					 (if (not (eq? (vector-ref ires 0) last-fn))
					     (begin (write-line (string-append " -- " (fn-getname (vector-ref ires 0)) ":"))
						    (set! last-fn (vector-ref ires 0))))
					 (for-each
					  (lambda (p)
					    (write-line (string-append (strftime "%H:%M:%S" (localtime (current-time))) (if (eq? (vector-ref ires 1) 0) "!" ":") " <" (vector-ref ires 3) "> " (vector-ref ires 4)) p))
					  (list p (current-output-port)))
					 (close-port p))
				       ))
				 )
;				((602)
;				 (let ((ires (dc-intresp resp)))
;				   (if ires
;				       (let ((ent (assoc (car ires) fnetnodes)))
;					 (if ent
;					     (set-cdr! ent (cadr ires))
;					     (set! fnetnodes (cons (cons (car ires) (cadr ires)) fnetnodes)))))))
				
				)
			      )
				       
			     )
			    )
			  #t)
			#f)
		    )
		  #t
		  )
	   
	   )
    )
  )

(chatlog-main (command-line))