From 64bd5c429e9088575bb127b9df1b9f7e17805a03 Mon Sep 17 00:00:00 2001
From: Gregor Lohaus <lohausgregor@gmail.com>
Date: Wed, 22 Apr 2026 21:05:53 +0200
Subject: [PATCH] logged out chat modal, call to action

---
 .codex                                        |  0
 .../(.)assistant/_components/ChatModal.tsx    | 12 ++----
 src/app/@modal/(.)assistant/page.tsx          | 10 +----
 src/app/_components/ChatFAB.tsx               | 17 ++++----
 src/app/_providers/MessagesProvider.tsx       | 42 +++++++++++++++----
 src/app/chat/_components/ChatInterface.tsx    | 30 +++++++++++--
 src/app/chat/page.tsx                         |  9 ++--
 7 files changed, 75 insertions(+), 45 deletions(-)
 create mode 100644 .codex

diff --git a/.codex b/.codex
new file mode 100644
index 0000000..e69de29
diff --git a/src/app/@modal/(.)assistant/_components/ChatModal.tsx b/src/app/@modal/(.)assistant/_components/ChatModal.tsx
index eb19864..820100c 100644
--- a/src/app/@modal/(.)assistant/_components/ChatModal.tsx
+++ b/src/app/@modal/(.)assistant/_components/ChatModal.tsx
@@ -5,15 +5,9 @@ import ChatInterface from '~/app/chat/_components/ChatInterface'
 import { useMessages } from '~/app/_providers/MessagesProvider';
 import { Spinner } from '~/components/ui/spinner';
 
-type DBMessage = {
-	id: string
-	role: 'user' | 'assistant'
-	content: string
-}
-
 export default function ChatModal() {
 	const router = useRouter()
-	const {messages,session,clearChat,clearingChat,isLoading,error,refetchMessages} = useMessages()
+	const {messages,session,isLoading,error} = useMessages()
 	return (
 		<Dialog modal={true} open onOpenChange={() => router.back()}>
 			<DialogContent className="w-full max-w-full rounded-none sm:max-w-full h-[100svh] lg:max-w-3xl lg:rounded-xl lg:h-[80vh] flex flex-col p-0 gap-0">
@@ -21,8 +15,8 @@ export default function ChatModal() {
 					<DialogTitle>Talk To My AI-Assistant</DialogTitle>
 				</DialogHeader>
 				<div className="flex-1 overflow-hidden min-h-0">
-					{messages && session?.id &&
-					<ChatInterface sessionId={session.id} dbMessages={messages}/>
+					{!isLoading &&
+					<ChatInterface sessionId={session?.id} dbMessages={messages ?? []}/>
 					}
 					{isLoading &&
 						<><Spinner/> Loading Messages...</>
diff --git a/src/app/@modal/(.)assistant/page.tsx b/src/app/@modal/(.)assistant/page.tsx
index 6dc86fe..a0b0235 100644
--- a/src/app/@modal/(.)assistant/page.tsx
+++ b/src/app/@modal/(.)assistant/page.tsx
@@ -1,16 +1,8 @@
 'use client'
-import { Skeleton } from '~/components/ui/skeleton';
 import ChatModal from './_components/ChatModal'
-import { trpc } from '~/app/_trpc/Client'
-import { useTimeLine } from '~/app/_providers/GsapProvicer';
 
 export default function AssistantModalPage() {
-	const { data: session, error, isLoading } = trpc.chat.getSession.useQuery();
 	return (
-		<>
-			<ChatModal/>
-			{error && <div>{error.message}</div>}
-			{isLoading && <Skeleton />}
-		</>
+		<ChatModal/>
 	)
 }
diff --git a/src/app/_components/ChatFAB.tsx b/src/app/_components/ChatFAB.tsx
index 290c502..b080507 100644
--- a/src/app/_components/ChatFAB.tsx
+++ b/src/app/_components/ChatFAB.tsx
@@ -1,7 +1,6 @@
 'use client'
 import Link from 'next/link'
 import { MessageCircle } from 'lucide-react'
-import { Show } from '@clerk/nextjs'
 import { Button } from '~/components/ui/button'
 import { usePathname } from 'next/navigation'
 export default function ChatFAB() {
@@ -10,15 +9,13 @@ export default function ChatFAB() {
 	return (
 		<>
 			{!isChat &&
-				<Show when="signed-in">
-					<div className="fixed bottom-6 right-6 z-50">
-						<Button asChild size="icon" className="h-14 w-14 rounded-full shadow-lg">
-							<Link href="/assistant">
-								<MessageCircle className="h-6 w-6" />
-							</Link>
-						</Button>
-					</div>
-				</Show>
+				<div className="fixed bottom-6 right-6 z-50">
+					<Button asChild size="icon" className="h-14 w-14 rounded-full shadow-lg">
+						<Link href="/assistant">
+							<MessageCircle className="h-6 w-6" />
+						</Link>
+					</Button>
+				</div>
 			}
 		</>
 	)
diff --git a/src/app/_providers/MessagesProvider.tsx b/src/app/_providers/MessagesProvider.tsx
index e179dfe..d5b9cec 100644
--- a/src/app/_providers/MessagesProvider.tsx
+++ b/src/app/_providers/MessagesProvider.tsx
@@ -1,5 +1,6 @@
 'use client'
 import type { inferRouterOutputs } from '@trpc/server';
+import { useUser } from '@clerk/nextjs'
 import { createContext, useContext, useEffect, useState, type ReactNode } from 'react'
 import { trpc } from '~/app/_trpc/Client'
 import { type ChatRouter } from '~/server/routers/chat'
@@ -26,15 +27,29 @@ export const useMessages = () => useContext(MessageContext)
 export const MessagesProvider = ({children}:{children:ReactNode}) => {
   const [error,setError] = useState<string|null>(null)
   const [isLoading,setIsLoading] = useState<boolean>(true)
-  const { data: session,error:sessionError,isLoading:sessionLoading} = trpc.chat.getSession.useQuery()
-  const { data: messages, refetch, error:messageError, isLoading:messagesLoading } = trpc.chat.getMessages.useQuery(session?.id ? session.id : "")
+  const { isLoaded, isSignedIn } = useUser()
+  const { data: session,error:sessionError,isLoading:sessionLoading} = trpc.chat.getSession.useQuery(undefined, {
+    enabled: isSignedIn === true,
+  })
+  const { data: messages, refetch, error:messageError, isLoading:messagesLoading } = trpc.chat.getMessages.useQuery(session?.id ? session.id : "", {
+    enabled: isSignedIn === true && session?.id != undefined,
+  })
   const { mutate ,isPending:clearingChat,isSuccess:clearedChat } = trpc.chat.clearChat.useMutation()
   const utils = trpc.useUtils()
   const refetchMessages = () => {
+    if (!isSignedIn) {
+      return;
+    }
       utils.chat.getMessages.invalidate()
       refetch()
   }
   const clearChat = (callback?: () => void) => {
+    if (!isSignedIn) {
+      if (callback) {
+        callback()
+      }
+      return;
+    }
     mutate(undefined,{onSuccess: () => {
       if (callback) {
         callback()
@@ -43,18 +58,29 @@ export const MessagesProvider = ({children}:{children:ReactNode}) => {
     }})
   }
   useEffect(() => {
+    if (isSignedIn !== true) {
+      setError(null)
+      return;
+    }
     messageError && setError(messageError.message)
     sessionError && setError(sessionError.message)
-  },[messageError,sessionError])
+  },[messageError,sessionError,isSignedIn])
   useEffect(() => {
-    !sessionLoading && !messagesLoading && setIsLoading(false)
-    sessionLoading || messagesLoading && setIsLoading(true)
-  },[sessionLoading,messagesLoading])
+    if (!isLoaded) {
+      setIsLoading(true)
+      return;
+    }
+    if (isSignedIn !== true) {
+      setIsLoading(false)
+      return;
+    }
+    setIsLoading(sessionLoading || messagesLoading)
+  },[isLoaded,isSignedIn,sessionLoading,messagesLoading])
   return (
     <MessageContext.Provider value={
       {
-        session,
-        messages,
+        session: isSignedIn === true ? session : undefined,
+        messages: isSignedIn === true ? messages : undefined,
         refetchMessages,
         clearChat,
         error,
diff --git a/src/app/chat/_components/ChatInterface.tsx b/src/app/chat/_components/ChatInterface.tsx
index b28465e..93440c6 100644
--- a/src/app/chat/_components/ChatInterface.tsx
+++ b/src/app/chat/_components/ChatInterface.tsx
@@ -4,6 +4,7 @@ import { useChat } from '@ai-sdk/react'
 import { DefaultChatTransport, type UIMessage } from 'ai'
 import { Button } from '~/components/ui/button'
 import { Textarea } from '~/components/ui/textarea'
+import { SignInButton } from '@clerk/nextjs'
 import {
 	useGsapContext,
 } from '~/app/_providers/GsapProvicer';
@@ -18,10 +19,26 @@ interface DBMessage {
 }
 
 interface ChatInterfaceProps {
-	sessionId: string,
+	sessionId?: string,
 	dbMessages: DBMessage[],
 }
 
+function SignInChatPrompt() {
+	return (
+		<div className="flex h-full w-full flex-col items-center justify-center gap-4 text-center">
+			<div className="space-y-2">
+				<h2 className="text-xl font-semibold">Sign in to use the chat</h2>
+				<p className="text-sm text-muted-foreground">
+					You need to be signed in before you can talk to Gregor's AI assistant.
+				</p>
+			</div>
+			<SignInButton mode="modal">
+				<Button type="button">Sign in</Button>
+			</SignInButton>
+		</div>
+	)
+}
+
 function toUIMessages(dbMessages: DBMessage[]): UIMessage[] {
 	return dbMessages.map((m) => ({
 		id: m.id,
@@ -43,7 +60,7 @@ function addInitMessage(messageArray: UIMessage[]) {
 	}
 }
 
-export default function ChatInterface({ dbMessages, sessionId }: ChatInterfaceProps) {
+function AuthenticatedChatInterface({ dbMessages, sessionId }: ChatInterfaceProps & { sessionId: string }) {
 	const [input, setInput] = useState('')
 	const {  clearingChat, clearChat, refetchMessages } = useMessages();
 	const initialMessages = toUIMessages(dbMessages)
@@ -115,7 +132,7 @@ export default function ChatInterface({ dbMessages, sessionId }: ChatInterfacePr
 				<div className='flex flex-col gap-2'>
 					<Button
 						onClick={handleSend}
-						disabled={status != "ready" || !input.trim() || sessionId == undefined}
+						disabled={status != "ready" || !input.trim()}
 					>
 						Send
 					</Button>
@@ -140,3 +157,10 @@ export default function ChatInterface({ dbMessages, sessionId }: ChatInterfacePr
 		</div>
 	)
 }
+
+export default function ChatInterface({ dbMessages, sessionId }: ChatInterfaceProps) {
+	if (sessionId == undefined) {
+		return <SignInChatPrompt />
+	}
+	return <AuthenticatedChatInterface sessionId={sessionId} dbMessages={dbMessages} />
+}
diff --git a/src/app/chat/page.tsx b/src/app/chat/page.tsx
index 1b66031..5ec4966 100644
--- a/src/app/chat/page.tsx
+++ b/src/app/chat/page.tsx
@@ -1,15 +1,12 @@
 'use client'
 import ChatInterface from './_components/ChatInterface'
-import { trpc } from '../_trpc/Client';
-import { Skeleton } from '~/components/ui/skeleton';
 import AnimatedPageTitle from '../_components/Animated/AnimatedPageTitle';
 import { useTimeLine } from '../_providers/GsapProvicer';
 import { useMessages } from '../_providers/MessagesProvider';
 import { Spinner } from '~/components/ui/spinner';
-import { useEffect } from 'react';
 
 export default function ChatPage() {
-	const {messages,session,clearChat,clearingChat,isLoading,error,refetchMessages} = useMessages()
+	const {messages,session,isLoading,error} = useMessages()
 	useTimeLine(messages)
 	return (
 		<div className="flex flex-col px-10 lg:px-0 w-full h-full max-w-4xl mx-auto pt-10">
@@ -17,8 +14,8 @@ export default function ChatPage() {
 						<span>Talk To My </span> <span> AI-Assistant</span>
 					</AnimatedPageTitle>
 					<div className='flex items-center h-[80%] w-full my-auto w-full'>
-					{messages && session?.id &&
-					<ChatInterface sessionId={session.id} dbMessages={messages}/>
+					{!isLoading &&
+					<ChatInterface sessionId={session?.id} dbMessages={messages ?? []}/>
 					}
 					{isLoading &&
 						<><Spinner/> Loading Messages...</>