Refactor aicommit.clj to utilize OpenAI's chat completion API for generating commit messages using groq.

Adding Cheshire core dependency for JSON parsing and generation

aicommit.clj

@@ -1,9 +1,10 @@
 #!/usr/bin/env bb
 
 (require  '[babashka.curl :as curl]
-         '[babashka.process :as p])
+          '[babashka.process :as p]
+          '[cheshire.core :as json])
 
-(def url "https://speedtest-ams2.digtalocean.com/")
+(def url "https://api.groq.com/openai/v1/chat/completions")
 
 (def system-msg "
 You are an expert programmer that values clear, unambiguous communication and are specialized in generating concise and informative git commit messages. 
@@ -13,6 +14,24 @@ It is very important that the entire commit is clear and understandable.
 Only reply with the commit message and nothing else.
 ")
 
-(def diff (p/check (p/sh "git" "diff" "--cached")))
+(def diff (:out (p/check (p/sh "git" "diff" "--cached"))))
 
-(println diff)
+(def message (json/generate-string
+              {:messages [{:role "system" :content system-msg}
+                          {:role "user"   :content diff}]
+               :model "llama-3.1-70b-versatile"
+               :temperature 1
+               :max_tokens 1024
+               :top_p 1
+               :stream false
+               :stop nil}))
+
+(def response
+  (curl/post url
+             {:headers {"Content-Type" "application/json"
+                        "Authorization" (str "Bearer " (System/getenv "GROQ_API_KEY"))}
+              :body message}))
+
+(def content (get-in (:choices (json/parse-string (:body response) true)) [0 :message :content]))
+
+(println content)