SurfSense/surfsense_web/components/assistant-ui/thread-welcome.tsx
2026-01-01 22:24:42 +05:30

71 lines
2.9 KiB
TypeScript

import { useAtomValue } from "jotai";
import type { FC } from "react";
import { useMemo } from "react";
import { currentUserAtom } from "@/atoms/user/user-query.atoms";
import { Composer } from "@/components/assistant-ui/composer";
const getTimeBasedGreeting = (userEmail?: string): string => {
const hour = new Date().getHours();
// Extract first name from email if available
const firstName = userEmail
? userEmail.split("@")[0].split(".")[0].charAt(0).toUpperCase() +
userEmail.split("@")[0].split(".")[0].slice(1)
: null;
// Array of greeting variations for each time period
const morningGreetings = ["Good morning", "Fresh start today", "Morning", "Hey there"];
const afternoonGreetings = ["Good afternoon", "Afternoon", "Hey there", "Hi there"];
const eveningGreetings = ["Good evening", "Evening", "Hey there", "Hi there"];
const nightGreetings = ["Good night", "Evening", "Hey there", "Winding down"];
const lateNightGreetings = ["Still up", "Night owl mode", "Up past bedtime", "Hi there"];
// Select a random greeting based on time
let greeting: string;
if (hour < 5) {
// Late night: midnight to 5 AM
greeting = lateNightGreetings[Math.floor(Math.random() * lateNightGreetings.length)];
} else if (hour < 12) {
greeting = morningGreetings[Math.floor(Math.random() * morningGreetings.length)];
} else if (hour < 18) {
greeting = afternoonGreetings[Math.floor(Math.random() * afternoonGreetings.length)];
} else if (hour < 22) {
greeting = eveningGreetings[Math.floor(Math.random() * eveningGreetings.length)];
} else {
// Night: 10 PM to midnight
greeting = nightGreetings[Math.floor(Math.random() * nightGreetings.length)];
}
// Add personalization with first name if available
if (firstName) {
return `${greeting}, ${firstName}!`;
}
return `${greeting}!`;
};
export const ThreadWelcome: FC = () => {
const { data: user } = useAtomValue(currentUserAtom);
// Memoize greeting so it doesn't change on re-renders (only on user change)
const greeting = useMemo(() => getTimeBasedGreeting(user?.email), [user?.email]);
return (
<div className="aui-thread-welcome-root mx-auto flex w-full max-w-(--thread-max-width) grow flex-col items-center px-4 relative">
{/* Greeting positioned above the composer - fixed position */}
<div className="aui-thread-welcome-message absolute bottom-[calc(50%+5rem)] left-0 right-0 flex flex-col items-center text-center">
<h1 className="aui-thread-welcome-message-inner fade-in slide-in-from-bottom-2 animate-in text-3xl md:text-5xl delay-100 duration-500 ease-out fill-mode-both">
{greeting}
</h1>
</div>
{/* Composer - top edge fixed, expands downward only */}
<div className="fade-in slide-in-from-bottom-3 animate-in delay-200 duration-500 ease-out fill-mode-both w-full flex items-start justify-center absolute top-[calc(50%-3.5rem)] left-0 right-0">
<Composer />
</div>
</div>
);
};