From e5a1beddb41bd5341baf5237e331e472db94a23a Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Wed, 16 Mar 2016 13:26:19 +0100
Subject: Simplified _guess_ example logging

---
 example/guess.scm | 34 +++++++++++++---------------------
 1 file changed, 13 insertions(+), 21 deletions(-)

diff --git a/example/guess.scm b/example/guess.scm
index c3267ff..2215380 100644
--- a/example/guess.scm
+++ b/example/guess.scm
@@ -14,42 +14,34 @@
 (define conversations (make-hash-table))
 
 (define (send chat_id text)
+  (print chat_id " <- \"" text "\"")
   (telebot:sendMessage token
                        chat_id: chat_id
                        text:    text))
 
-(define (print-failed-guess chat_id answer guess)
-  (print "User " chat_id " guessed " guess " instead of " answer))
-
 (define (make-conversation chat_id)
-  (let ((chat_id   chat_id)
-        (answer    (random 100)))
+  (let ((chat_id chat_id)
+        (answer  (random 100)))
     (lambda (text)
       (let ((guess (string->number text)))
-        (if (equal? #f guess)
-          (send chat_id
-                "This is not a number - please provide your guess in base 10.")
+        (if (number? guess)
           (cond ((= guess answer)
-                 (begin (send chat_id
-                              "Correct! Feel free to guess the next number.")
-                        (print "User " chat_id " correctly guessed " answer)
+                 (begin (send chat_id "Correct! Feel free to guess the next number.")
                         (set! answer (random 100))))
-                ((< guess answer)
-                 (begin (send chat_id
-                              "Too small. Try again.")
-                        (print-failed-guess chat_id answer guess)))
-                ((> guess answer)
-                 (begin (send chat_id
-                              "Too large. Try again.")
-                        (print-failed-guess chat_id answer guess)))))))))
+                ((< guess answer) (send chat_id "Too small. Try again."))
+                ((> guess answer) (send chat_id "Too large. Try again.")))
+          (send chat_id
+                "This is not a number - please provide your guess in base 10."))))))
 
 (define (handle-message m)
   (let ((chat_id (resolve-query '(message from id) m))
         (text    (resolve-query '(message text)    m)))
+    (print chat_id " -> \"" text "\"")
     (if (hash-table-exists? conversations chat_id)
       ((hash-table-ref conversations chat_id) text)
-      (begin (hash-table-set! conversations chat_id (make-conversation chat_id))
-             (print "Started talking to user " chat_id)
+      (begin (hash-table-set! conversations
+                              chat_id
+                              (make-conversation chat_id))
              (send chat_id
                    "Hi there! I just generated a random number for you to guess!")))))
 
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