improved org idp login flow

src/hooks/useUserLookup.ts

@@ -0,0 +1,51 @@
+import { useState } from "react";
+import { createApiClient } from "@app/lib/api";
+import { useEnvContext } from "@app/hooks/useEnvContext";
+import { AxiosResponse } from "axios";
+import { LookupUserResponse } from "@server/routers/auth/lookupUser";
+
+type UseUserLookupResult = {
+    lookup: (identifier: string) => Promise<LookupUserResponse | null>;
+    loading: boolean;
+    error: string | null;
+};
+
+export function useUserLookup(): UseUserLookupResult {
+    const { env } = useEnvContext();
+    const api = createApiClient({ env });
+    const [loading, setLoading] = useState(false);
+    const [error, setError] = useState<string | null>(null);
+
+    const lookup = async (
+        identifier: string
+    ): Promise<LookupUserResponse | null> => {
+        setLoading(true);
+        setError(null);
+
+        try {
+            const response = await api.post<
+                AxiosResponse<LookupUserResponse>
+            >("/auth/lookup-user", {
+                identifier: identifier.toLowerCase().trim()
+            });
+
+            if (response.data.data) {
+                return response.data.data;
+            }
+
+            setError("Failed to lookup user");
+            return null;
+        } catch (err: any) {
+            const errorMessage =
+                err.response?.data?.message ||
+                err.message ||
+                "An error occurred during lookup";
+            setError(errorMessage);
+            return null;
+        } finally {
+            setLoading(false);
+        }
+    };
+
+    return { lookup, loading, error };
+}