Add detailed logging for email existence validation debugging

Author: html-proof

src/app/auth/forgot-password/page.tsx

@@ -24,21 +24,25 @@ export default function ForgotPasswordPage() {
         }
 
         try {
+            console.log("Checking if email exists:", email);
             // Check if email exists
             const emailExists = await checkEmailExists(email);
+            console.log("Email exists result:", emailExists);
 
             if (!emailExists) {
+                console.log("Email does not exist, showing error");
                 addToast("No account found with this email address.", "error");
                 setLoading(false);
                 return;
             }
 
+            console.log("Email exists, sending password reset");
             // Send password reset email
             await resetPassword(email);
             addToast("Password reset email sent! Check your inbox.", "success");
         } catch (err: any) {
+            console.error("Error in handleReset:", err);
             addToast("Can't reset password. Please try again.", "error");
-            console.error(err);
         } finally {
             setLoading(false);
         }

src/lib/firebase/auth.ts

@@ -64,9 +64,17 @@ export const signOut = () => firebaseSignOut(auth);
 export const checkEmailExists = async (email: string): Promise<boolean> => {
     try {
         const methods = await fetchSignInMethodsForEmail(auth, email);
-        return methods.length > 0;
-    } catch (error) {
+        console.log(`Email ${email} check - Sign-in methods:`, methods);
+        const exists = methods.length > 0;
+        console.log(`Email ${email} exists:`, exists);
+        return exists;
+    } catch (error: any) {
         console.error("Error checking email:", error);
+        // If error code is auth/invalid-email, the email format is wrong
+        if (error.code === 'auth/invalid-email') {
+            return false;
+        }
+        // For other errors, assume email doesn't exist to be safe
         return false;
     }
 };