Update app.py

app.py

@@ -2,10 +2,10 @@
 """
 Financial Health Score Service (FastAPI)
 
-Rewrite includes:
-- Uses GPT-4o-mini with strict JSON schema (response_format)
-- Correct new OpenAI API (`openai.responses.create`)
-- Fully valid `.output[0].content[0].parsed`
+Fully updated version:
+- Uses GPT-4o-mini with strict JSON schema output
+- Correct OpenAI Chat Completions API
+- Fully valid `.choices[0].message.parsed`
 - Bulletproof Mongo fetch + normalization
 """
 
@@ -43,6 +43,7 @@ budget_collection = default_db["budget"]
 transaction_collection = default_db["transactions"]
 currencies_collection = default_db["currencies"]
 
+# OpenAI Client
 openai = OpenAI(api_key=OPENAI_API_KEY)
 
 app = FastAPI(title="Financial Health Score Service")
@@ -181,7 +182,7 @@ def financial_score(payload: ScoreRequest):
     )
     transactions = normalize_transactions(txns_raw)
 
-    # If no data at all
+    # If no data
     if not budgets and not transactions:
         return {
             "userId": payload.userId,
@@ -192,10 +193,10 @@ def financial_score(payload: ScoreRequest):
     prompt = build_prompt(budgets, transactions)
 
     # ===========================
-    # STRICT GPT-4o-mini JSON
+    # STRICT GPT-4o-mini JSON SCHEMA
     # ===========================
     try:
-        response = openai.responses.create(
+        response = openai.chat.completions.create(
             model="gpt-4o-mini",
             temperature=0.6,
             response_format={
@@ -221,13 +222,13 @@ def financial_score(payload: ScoreRequest):
     except Exception as exc:
         raise HTTPException(status_code=502, detail=f"OpenAI request failed: {exc}")
 
-    # GUARANTEED VALID JSON
+    # SAFE PARSE JSON
     try:
-        parsed = response.output[0].content[0].parsed
-    except Exception:
+        parsed = response.choices[0].message.parsed
+    except Exception as e:
         raise HTTPException(
             status_code=502,
-            detail="OpenAI response did not include parsed JSON (unexpected)"
+            detail=f"Could not parse JSON output: {e}"
         )
 
     # Score normalization
@@ -236,6 +237,7 @@ def financial_score(payload: ScoreRequest):
         score_val = int(float(score_val))
     except:
         score_val = 0
+
     score_val = max(0, min(100, score_val))
 
     return {