diff --git a/endpoints/login.post.py b/endpoints/login.post.py
index df5aa08..e6c7cf2 100644
--- a/endpoints/login.post.py
+++ b/endpoints/login.post.py
@@ -1,25 +1,48 @@
 from fastapi import APIRouter, Depends, HTTPException
-from core.auth import get_current_user_dummy
 from core.database import fake_users_db
+import uuid
+import random
+import string
 
 router = APIRouter()
 
-@router.post("/login")
-async def login_demo(
-    username: str = "demo",
-    password: str = "password"
+@router.post("/signup-codes")
+async def generate_signup_codes(
+    count: int = 1,
+    length: int = 8,
+    prefix: str = ""
 ):
-    """Demo login endpoint"""
-    user = fake_users_db.get(username)
-    if not user or user["password"] != password:
-        raise HTTPException(status_code=400, detail="Invalid credentials")
+    """Generate unique signup invitation codes"""
+    codes = []
+    existing_codes = [user.get("signup_code") for user in fake_users_db.values()]
+    
+    for _ in range(count):
+        while True:
+            code = prefix + ''.join(random.choices(
+                string.ascii_uppercase + string.digits, 
+                k=length
+            ))
+            if code not in existing_codes:
+                codes.append(code)
+                break
+    
+    # Store codes in database for future validation
+    batch_id = str(uuid.uuid4())
+    for code in codes:
+        fake_users_db[f"signup_code_{code}"] = {
+            "code": code,
+            "batch_id": batch_id,
+            "used": False,
+            "created_at": "2024-01-01T00:00:00Z"  # Demo timestamp
+        }
     
     return {
-        "message": "Login successful (demo)",
-        "user": username,
-        "token": "dummy_jwt_token_123",
-        "features": {
-            "rate_limit": 100,
-            "expires_in": 3600
+        "message": f"Successfully generated {count} signup codes",
+        "batch_id": batch_id,
+        "codes": codes,
+        "metadata": {
+            "prefix": prefix,
+            "length": length,
+            "expires_in": "30 days"
         }
-    }
+    }
\ No newline at end of file