From c8cf954e6ef8b360b0c7880ca4d29a12eb1ec7c8 Mon Sep 17 00:00:00 2001
From: Pascal Birchler <pascal.birchler@gmail.com>
Date: Wed, 9 Jul 2025 00:10:36 +0200
Subject: fix(auth): do not blindly default to API key auth (#3235)

Co-authored-by: matt korwel <matt.korwel@gmail.com>
Co-authored-by: N. Taylor Mullen <ntaylormullen@google.com>
---
 packages/cli/src/ui/components/AuthDialog.tsx | 41 ++++++++++++++++++---------
 1 file changed, 27 insertions(+), 14 deletions(-)

(limited to 'packages/cli/src/ui/components/AuthDialog.tsx')

diff --git a/packages/cli/src/ui/components/AuthDialog.tsx b/packages/cli/src/ui/components/AuthDialog.tsx
index a33e284d..d46feb0b 100644
--- a/packages/cli/src/ui/components/AuthDialog.tsx
+++ b/packages/cli/src/ui/components/AuthDialog.tsx
@@ -24,7 +24,11 @@ export function AuthDialog({
   initialErrorMessage,
 }: AuthDialogProps): React.JSX.Element {
   const [errorMessage, setErrorMessage] = useState<string | null>(
-    initialErrorMessage || null,
+    initialErrorMessage
+      ? initialErrorMessage
+      : process.env.GEMINI_API_KEY
+        ? 'Existing API key detected (GEMINI_API_KEY). Select "Gemini API Key" option to use it.'
+        : null,
   );
   const items = [
     {
@@ -46,13 +50,17 @@ export function AuthDialog({
     { label: 'Vertex AI', value: AuthType.USE_VERTEX_AI },
   ];
 
-  let initialAuthIndex = items.findIndex(
-    (item) => item.value === settings.merged.selectedAuthType,
-  );
+  const initialAuthIndex = items.findIndex((item) => {
+    if (settings.merged.selectedAuthType) {
+      return item.value === settings.merged.selectedAuthType;
+    }
 
-  if (initialAuthIndex === -1) {
-    initialAuthIndex = 0;
-  }
+    if (process.env.GEMINI_API_KEY) {
+      return item.value === AuthType.USE_GEMINI;
+    }
+
+    return item.value === AuthType.LOGIN_WITH_GOOGLE;
+  });
 
   const handleAuthSelect = (authMethod: AuthType) => {
     const error = validateAuthMethod(authMethod);
@@ -90,13 +98,18 @@ export function AuthDialog({
       padding={1}
       width="100%"
     >
-      <Text bold>Select Auth Method</Text>
-      <RadioButtonSelect
-        items={items}
-        initialIndex={initialAuthIndex}
-        onSelect={handleAuthSelect}
-        isFocused={true}
-      />
+      <Text bold>Get started</Text>
+      <Box marginTop={1}>
+        <Text>How would you like to authenticate for this project?</Text>
+      </Box>
+      <Box marginTop={1}>
+        <RadioButtonSelect
+          items={items}
+          initialIndex={initialAuthIndex}
+          onSelect={handleAuthSelect}
+          isFocused={true}
+        />
+      </Box>
       {errorMessage && (
         <Box marginTop={1}>
           <Text color={Colors.AccentRed}>{errorMessage}</Text>
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