;;; This file is automatically loaded by Bobot++. This is required for
;;; the bot to function.

;;; This file is covered by the GPL version 2 or (at your option) any
;;; later version 

;;; the-bot-module must be available to guile-user so that scripts
;;; loaded with Interp::Load have access to the bot: procedures
(module-use! (resolve-module '(guile-user) #f)
	     the-bot-module)

(use-modules (srfi srfi-1)
	     (srfi srfi-13))

(eval-when (compile load eval)
	   (set! %load-path (cons* (string-append (getenv "HOME") "/.bobotpp/scripts/")
				   bot:sys-scripts-dir
				   %load-path)))

;;; bot:log: Write as many messages as you want to the log.  If the
;;; arg is a thunk it will be executed and it's output will be
;;; written to the log
(define-public (bot:log . messages)
  (for-each
   (lambda (x)
     (if (thunk? x)
       (display (x) (bot:logport))
       (display x (bot:logport))))
   messages)
  (bot:flushport))

(define-public bot:load load-from-path)

(define (module->string module)
  (apply (lambda (s . rest)
	   (string-append
	    s
	    (apply string-append
		   (map (lambda (str) (string-append "/" str)) rest))))
	 (map symbol->string module)))

(define-public (bot:load-module module-spec)
  (let ((new-module (make-module 31 (list the-bot-module)))
	(old-module (current-module)))
    (module-use! new-module the-bot-module)
    (set-current-module new-module)
    (bot:load (module->string module-spec))
    (set-current-module old-module)
    new-module))

(define-public (bot:use-module module-spec)
  (module-use! (current-module)
	       (bot:load-module module-spec)))
    
;;; REGEX UTILS

;;; match-not-channel adds a prefix regex to your regex so it doesn't
;;; match the sender or channel in a PUBLIC message
(define-public (bot:match-not-channel regex)
  (string-append "^[[:graph:]]*[&#+!][^ ,\a]+ [[:graph:][:space:]]*"
		 regex))

;;; match-to-me matches text that was addressed to the bot with a
;;; ':',',', or nothing after the bot name

(define-public (bot:match-to-me regex)
  (string-append (bot:match-not-channel (bot:getnickname))
		 "[[:space:][:graph:]]*" regex))

(define-public (bot:sent-to-me? message)
  (let ((to-me (make-regexp (bot:match-to-me ""))))
    (if (regexp-exec to-me message) #t #f)))

;;;; string-utils
(define-public str-app string-append) ; shorter

;;; Message sending utils

;;; Returns the CTCP quoted message
;;; Input _MUST NOT_ contain the trailing \r\n
;;; (it is added by the message sending code)
(define-public (bot:ctcp-quote message)
  ;; TODO: Not very efficient, it may be worth reimplementing
  (let ((ls (string->list message)))
     (string-concatenate
      (map (lambda (chr) ; CTCP level quoting
	     (case (char->integer chr)
	       ((#o134) (string (integer->char #o134) (integer->char
						       #o134)))
	       ((#o01)  (string (integer->char #o134) #\a)) ; X-DELIM
	       (else (string chr))))
	   (string->list
	    (string-concatenate
	     (map (lambda (chr) ; Low-level
		    (let ((m-quote (integer->char #o20)))
		      (case chr
			((m-quote)  (string m-quote m-quote))
			((#\nul)    (string m-quote #\0))
			((#\nl)     (string m-quote #\n))
			((#\cr)     (string m-quote #\r))
			(else       (string chr)))))
		  ls)))))))

;;; bot:channel-users user object accessors
(define-public (bot:channel-user-nick cu)
  (first cu))

(define-public (bot:channel-user-user/host cu)
  (second cu))

(define-public (bot:channel-user-mode cu)
  (third cu))

(define-public (bot:channel-user-has-modes? cu . modes)
  (let ((mode (apply logior modes)))
    (= (logand (bot:channel-user-mode cu)) mode mode)))

(define-public (bot:channel-user-op? cu)
  (bot:channel-user-has-modes? cu bot:mode/op))

(define-public (bot:channel-user-voice? cu)
  (bot:channel-user-has-modes? cu bot:mode/voice))

(define-public (bot:channel-user-away? cu)
  (bot:channel-user-has-modes? cu bot:mode/away))
	 
(define-public (bot:channel-user-ircop? cu)
  (bot:channel-user-has-modes? cu bot:mode/op))

;;; DEPRECATED FUNCTION NAMES
;;; These are provided for backwards compatibility
;;; and will be removed in the 3.0 release
(begin-deprecated

 (define-macro (_deprecated-fun old-name new-name)
   `(define-public ,old-name
      (lambda args
	(let ((old-error
	       (set-current-error-port (bot:logport))))
	  (issue-deprecation-warning
	   (string-append
	    (symbol->string ',old-name)
	    " is a deprecated function. Please use "
	    (symbol->string ',new-name) " instead."))
	  (bot:flushport)
	  (set-current-error-port old-error))
	  (apply ,new-name args))))
     
 (_deprecated-fun bot-load bot:load)
 (_deprecated-fun bot-action bot:action)
 (_deprecated-fun bot-adduser bot:adduser)
 (_deprecated-fun bot-addserver bot:addserver)
 (_deprecated-fun bot-addshit bot:addshit)
 (_deprecated-fun bot-ban bot:ban)
 (_deprecated-fun bot-cycle bot:cycle)
 (_deprecated-fun bot-deban bot:deban)
 (_deprecated-fun bot-delserver bot:delserver)
 (_deprecated-fun bot-deluser bot:deluser)
 (_deprecated-fun bot-delshit bot:delshit)
 (_deprecated-fun bot-deop bot:deop)
 (_deprecated-fun bot-die bot:die)
 (_deprecated-fun bot-do bot:do)
 (_deprecated-fun bot-invite bot:invite)
 (_deprecated-fun bot-join bot:join)
 (_deprecated-fun bot-keep bot:keep)
 (_deprecated-fun bot-kick bot:kick)
 (_deprecated-fun bot-kickban bot:kickban)
 (_deprecated-fun bot-lock bot:lock)
 (_deprecated-fun bot-logport bot:logport)
 (_deprecated-fun bot-mode bot:mode)
 (_deprecated-fun bot-msg bot:msg)
 (_deprecated-fun bot-nextserver bot:nextserver)
 (_deprecated-fun bot-nick bot:nick)
 (_deprecated-fun bot-op bot:op)
 (_deprecated-fun bot-part bot:part)
 (_deprecated-fun bot-reconnect bot:reconnect)
 (_deprecated-fun bot-say bot:say)
 (_deprecated-fun bot-server bot:server)
 (_deprecated-fun bot-setversion bot:setversion)
 (_deprecated-fun bot-tban bot:tban)
 (_deprecated-fun bot-tkban bot:tkban)
 (_deprecated-fun bot-topic bot:topic)
 (_deprecated-fun bot-unlock bot:unlock)
 (_deprecated-fun bot-getnickname bot:getnickname)
 (_deprecated-fun bot-getserver bot:getserver)
 (_deprecated-fun bot-getserverlist bot:getserverlist)
 (_deprecated-fun bot-flush bot:flush)
 (_deprecated-fun bot-flushport bot:flushport)
 (_deprecated-fun bot-random bot:random)
 (_deprecated-fun bot-addcommand bot:addcommand)
 (_deprecated-fun bot-delcommand bot:delcommand)
 (_deprecated-fun bot-addhook bot:addhook)
 (_deprecated-fun bot-addtimer bot:addtimer)
 (_deprecated-fun bot-deltimer bot:deltimer)
 
 (define-public hooks/leave hooks/part))