elkay frontend api and app signup

app.py

@@ -168,25 +168,18 @@ def main():
                         st.stop()
 
                     if DISABLE_DB:
-                        # Call your backend Space instead of touching the DB
                         try:
-                            payload = {
-                                "role": "student",
-                                "name": name.strip(),
-                                "email": email.strip().lower(),
-                                "password": password,
-                                "country": country,
-                                "level": level,
-                            }
-                            r = requests.post(f"{BACKEND}/auth/register", json=payload, timeout=15)
-                            r.raise_for_status()
+                            api.signup_student(
+                                name=name.strip(),
+                                email=email.strip().lower(),
+                                password=password,
+                                level_label=level,          # <-- keep these names
+                                country_label=country,
+                            )
                             st.success("✅ Signup successful! Please go to the **Login** page to continue.")
                             st.session_state.current_page = "Login"
                             st.session_state.signup_role = None
                             st.rerun()
-                        except requests.HTTPError as e:
-                            msg = e.response.text if hasattr(e, "response") and e.response is not None else str(e)
-                            st.error(f"❌ Signup failed: {msg}")
                         except Exception as e:
                             st.error(f"❌ Signup failed: {e}")
                     else:
@@ -227,22 +220,16 @@ def main():
 
                     if DISABLE_DB:
                         try:
-                            payload = {
-                                "role": "teacher",
-                                "title": title.strip(),
-                                "name": name.strip(),
-                                "email": email.strip().lower(),
-                                "password": password,
-                            }
-                            r = requests.post(f"{BACKEND}/auth/register", json=payload, timeout=15)
-                            r.raise_for_status()
+                            api.signup_teacher(
+                                title=title.strip(),
+                                name=name.strip(),
+                                email=email.strip().lower(),
+                                password=password,
+                            )
                             st.success("✅ Signup successful! Please go to the **Login** page to continue.")
                             st.session_state.current_page = "Login"
                             st.session_state.signup_role = None
                             st.rerun()
-                        except requests.HTTPError as e:
-                            msg = e.response.text if hasattr(e, "response") and e.response is not None else str(e)
-                            st.error(f"❌ Signup failed: {msg}")
                         except Exception as e:
                             st.error(f"❌ Signup failed: {e}")
                     else:

utils/api.py

@@ -3,6 +3,7 @@ import os, json, requests
 from urllib3.util.retry import Retry
 from requests.adapters import HTTPAdapter
 
+
 # ---- Setup ----
 BACKEND = (os.getenv("BACKEND_URL") or "").strip().rstrip("/")
 if not BACKEND:
@@ -373,13 +374,27 @@ def login(email: str, password: str):
     return _json_or_raise(_req("POST", "/auth/login", json={"email": email, "password": password}))
 
 def signup_student(name: str, email: str, password: str, level_label: str, country_label: str):
-    return _json_or_raise(_req("POST", "/auth/signup/student",
-                               json={"name": name, "email": email, "password": password,
-                                     "level_label": level_label, "country_label": country_label}))
+    payload_student = {
+        "name": name, "email": email, "password": password,
+        "level_label": level_label, "country_label": country_label
+    }
+    # Prefer dedicated route; fall back to /auth/register with role
+    return _try_candidates("POST", [
+        ("/auth/signup/student", {"json": payload_student}),
+        ("/auth/register", {"json": {
+            "role": "student", "name": name, "email": email, "password": password,
+            "level": level_label, "country": country_label
+        }}),
+    ])
 
 def signup_teacher(title: str, name: str, email: str, password: str):
-    return _json_or_raise(_req("POST", "/auth/signup/teacher",
-                               json={"title": title, "name": name, "email": email, "password": password}))
+    payload_teacher = {"title": title, "name": name, "email": email, "password": password}
+    return _try_candidates("POST", [
+        ("/auth/signup/teacher", {"json": payload_teacher}),
+        ("/auth/register", {"json": {
+            "role": "teacher", "title": title, "name": name, "email": email, "password": password
+        }}),
+    ])
 
 # ---- New LangGraph-backed endpoints ----
 def fetch_lesson_content(lesson: str, module: str, topic: str):