From 2d5972c25deefbe50b17c57eac21a9401cefa06e Mon Sep 17 00:00:00 2001
From: gahusb <bgg8988@gmail.com>
Date: Sun, 25 Jan 2026 23:56:00 +0900
Subject: [PATCH] =?UTF-8?q?lotto=20lab=20=EC=A0=84=20=EC=B0=A8=EC=88=98=20?=
 =?UTF-8?q?=EB=A1=9C=EB=98=90=20=EB=8B=B9=EC=B2=A8=20=EB=B2=88=ED=98=B8=20?=
 =?UTF-8?q?=EA=B7=B8=EB=9E=98=ED=94=84=20=EC=8B=9C=EA=B0=81=ED=99=94=20api?=
 =?UTF-8?q?=20=EC=B6=94=EA=B0=80?=
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---
 backend/app/main.py | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/backend/app/main.py b/backend/app/main.py
index 8b1ab94..9463059 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -116,6 +116,33 @@ def api_draw(drw_no: int):
 def admin_sync_latest():
     return sync_latest(LATEST_URL)
 
+@app.get("/api/lotto/stats")
+def api_stats():
+    draws = get_all_draw_numbers()
+    if not draws:
+        raise HTTPException(status_code=404, detail="No data yet")
+    
+    # 1~45번 빈도 초기화
+    frequency = {n: 0 for n in range(1, 46)}
+    
+    total_draws = len(draws)
+    
+    for _, nums in draws:
+        for n in nums:
+            frequency[n] += 1
+            
+    # 리스트 형태로 변환 (프론트엔드 차트용)
+    # x: 번호, y: 횟수
+    stats = [
+        {"number": n, "count": frequency[n]} 
+        for n in range(1, 46)
+    ]
+    
+    return {
+        "total_draws": total_draws,
+        "frequency": stats
+    }
+
 # ---------- ✅ recommend (dedup save) ----------
 @app.get("/api/lotto/recommend")
 def api_recommend(