add diceware support

anna.scm

@@ -10,8 +10,8 @@
              (ice-9 regex)
              (rnrs exceptions))
 
-;; (define +channels+ '("#tildetown" "#bots"))
+(define +channels+ '("#tildetown" "#lisp" "#bots"))
-(define +channels+ '("#bots"))
+;; (define +channels+ '("#bots"))
 
 (load "greets.scm")
 
@@ -221,6 +221,35 @@
       (string-append (slist-ref strings index)
                      (concat-messages strings (+ 1 index) length))))
 
+(define (n-func-results n f)
+  (if (zero? n)
+      '()
+      (cons (f) (n-func-results (- n 1) f))))
+
+(define (fold-right f base lst)
+  (if (null? lst)
+      base
+      (f (car lst)
+         (fold-right f base (cdr lst)))))
+
+(define (diceware-one-word file)
+  (define (generate-dice n sides)
+    (n-func-results n (lambda () (random sides))))
+  (let* ((entry (fold-right string-append "" (map number->string
+                                                  (map (lambda (x) (+ x 1))
+                                                       (generate-dice 5 6)))))
+         ;; yes, shell scripting in scheme
+         (port (open-input-pipe (string-append "grep \"^" entry "\" " file " | awk '{print $2}'")))
+         (out (read-line port)))
+    (close-pipe port)
+    out))
+
+(define (diceware file)
+  (fold-right (lambda (x y) (string-append x " " y))
+              ""
+              (n-func-results 5 (lambda () (diceware-one-word (if (equal? file "eff")
+                                                                  "diceware_eff.txt"
+                                                                  "diceware_words.txt"))))))
 
 (define (main-loop stream)
   (let* ((inl (read-line stream))
@@ -234,7 +263,7 @@
       (pong stream))
      ((or (equal? ":!rollcall" (slist-ref data 3))
           (equal? ":!anna" (slist-ref data 3)))
-      (send-message stream chn "Hello! I respond to !rollcall, !anna, !tz <optionally user>, !greets, !lgreets <optionally user>, !rgreets <optionally user>, and !eval <s-expr>. My source code is available at https://git.tilde.town/opfez/anna"))
+      (send-message stream chn "Hello! I respond to !anna, !tz <optionally user>, !greets, !lgreets <optionally user>, !rgreets <optionally user>, !dw <optionally \"eff\"> and !eval <s-expr>. My source code is available at https://git.tilde.town/opfez/anna"))
      ((equal? ":!eval" (slist-ref data 3))
       (let ((expr (string-concatenate (intersperse " " (cdr (member ":!eval" filtered-data))))))
         (send-message stream chn (evaluate expr))))
@@ -261,12 +290,19 @@
                                               (number->string (all-greets *right-greets*))
                                               " vs \\o - "
                                               (number->string (all-greets *left-greets*)))))
+     ((string-contains (empty-list->string (concat-messages data 3 (length data))) "\\o/")
+      #f)
      ((string-contains (empty-list->string (concat-messages data 3 (length data))) "\\o")
+
       (inc-left-greets (get-username (car data)))
       (write-greets))
      ((string-contains (empty-list->string (concat-messages data 3 (length data))) "o/")
       (inc-right-greets (get-username (car data)))
       (write-greets))
+     ((equal? ":!kirby" (slist-ref data 3))
+      (send-message stream chn "13●0ミ8☆"))
+     ((equal? ":!dw" (slist-ref data 3))
+      (send-message stream chn (diceware (slist-ref data 4))))
      ((and (= 7 (length data))
            (equal? (list-tail data 4) '("ACTION" "shoots" "anna")))
       (send-action stream chn "dies")