feat: init waitlist website

Co-authored-by: Ona <no-reply@ona.com>

apps/waitlist-website/app/chat/chat-box.tsx

@@ -0,0 +1,117 @@
+import clsx from "clsx"
+import { ArrowUpIcon, FileIcon, ImageIcon, PlusIcon, XIcon } from "lucide-react"
+import { motion, useAnimate } from "motion/react"
+import { useEffect, useRef, useState } from "react"
+import { Button, Menu, MenuItem, MenuTrigger, Popover } from "react-aria-components"
+
+export function ChatBox({
+	className,
+	validate,
+	onSubmit,
+}: {
+	className?: string
+	validate?: (value: string) => boolean
+	onSubmit: (email: string) => void
+	disabled?: boolean
+}) {
+	const [scope, animate] = useAnimate()
+	const [shouldShowInvalid, setShouldShowInvalid] = useState(false)
+	const clearInvalidStateTimeout = useRef<ReturnType<typeof setTimeout> | null>(null)
+
+	useEffect(
+		() => () => {
+			if (clearInvalidStateTimeout.current) {
+				clearTimeout(clearInvalidStateTimeout.current)
+			}
+		},
+		[],
+	)
+
+	function showInvalidState() {
+		animate(scope.current, { x: [0, -6, 6, -4, 4, -2, 2, 0] }, { duration: 0.4, ease: "easeOut" })
+		if (clearInvalidStateTimeout.current) {
+			clearTimeout(clearInvalidStateTimeout.current)
+		}
+		setShouldShowInvalid(true)
+		clearInvalidStateTimeout.current = setTimeout(() => {
+			setShouldShowInvalid(false)
+		}, 500)
+	}
+
+	const onFormSubmit = (e: React.FormEvent<HTMLFormElement>) => {
+		e.preventDefault()
+		const formData = new FormData(e.currentTarget)
+		const email = formData.get("liame")
+		if (typeof email === "string") {
+			const trimmed = email.trim()
+			if (trimmed.length === 0) {
+				showInvalidState()
+			} else if (validate && !validate(trimmed)) {
+				showInvalidState()
+			} else {
+				onSubmit(trimmed)
+				e.currentTarget.reset()
+			}
+		}
+	}
+
+	return (
+		<motion.form
+			ref={scope}
+			onSubmit={onFormSubmit}
+			className={`min-h-20 px-3 pt-2 pb-1.5 flex flex-col justify-between rounded-lg bg-stone-100 dark:bg-stone-800 border border-stone-200 dark:border-stone-700 ${className ?? ""} shadow-xs hover:shadow-sm`}
+		>
+			<input
+				name="liame"
+				className="w-full bg-transparent outline-none focus:outline-none ring-0 focus:ring-0"
+			/>
+			<div className="w-full flex justify-between">
+				<MenuTrigger>
+					<Button className="bg-transparent hover:bg-stone-200 dark:hover:bg-stone-700 active:bg-stone-300 dark:active:bg-stone-600 data-[pressed]:bg-stone-200 dark:data-[pressed]:bg-stone-700 rounded-full flex items-center justify-center p-1 -ml-1.5 active:inset-shadow-sm outline-none transition-transform duration-200 data-[pressed]:rotate-45">
+						<PlusIcon size={16} />
+					</Button>
+					<Popover
+						offset={4}
+						className="origin-bottom-left rounded-lg border border-stone-200 dark:border-stone-700 bg-stone-100 dark:bg-stone-800 shadow-lg p-1 min-w-40 outline-none data-[entering]:animate-[popover-in_150ms_ease-out] data-[exiting]:animate-[popover-out_100ms_ease-in]"
+						placement="top start"
+					>
+						<AttachmentMenu />
+					</Popover>
+				</MenuTrigger>
+				<button
+					type="submit"
+					disabled={shouldShowInvalid}
+					className={clsx(
+						"transition-all rounded-full flex items-center justify-center p-1 -mr-1.5 active:scale-95",
+						shouldShowInvalid
+							? "bg-red-400 hover:bg-red-300 text-stone-200 dark:text-stone-700"
+							: "bg-teal-600 hover:bg-teal-500 active:bg-teal-600 text-stone-200",
+					)}
+				>
+					{shouldShowInvalid ? <XIcon size={16} /> : <ArrowUpIcon size={16} />}
+				</button>
+			</div>
+		</motion.form>
+	)
+}
+
+function AttachmentMenu() {
+	return (
+		<Menu className="outline-none">
+			<MenuItem
+				className="flex items-center gap-2 px-2 py-1 rounded-md cursor-default outline-none hover:bg-stone-200 dark:hover:bg-stone-700 focus:bg-stone-200 dark:focus:bg-stone-700"
+				onAction={() => {}}
+			>
+				<ImageIcon size={14} />
+				Photos
+			</MenuItem>
+			<MenuItem
+				className="flex items-center gap-2 px-2 py-1 rounded-md cursor-default outline-none hover:bg-stone-200 dark:hover:bg-stone-700 focus:bg-stone-200 dark:focus:bg-stone-700"
+				onAction={() => {}}
+			>
+				<FileIcon size={14} />
+				Files
+			</MenuItem>
+		</Menu>
+	)
+}

apps/waitlist-website/app/chat/message.ts

@@ -0,0 +1,37 @@
+export interface UserMessage {
+	role: "user"
+	message: string
+	bubbleLayoutId?: string
+}
+
+export interface SystemMessage {
+	role: "system"
+	message: string
+}
+
+export type Message = UserMessage | SystemMessage
+
+export const INITLAL_MESSAGES: Message[] = [
+	{
+		role: "user",
+		message: "Who are you?",
+	},
+	{
+		role: "system",
+		message: `Hey! I'm **Aelis** — your personal assistant that brings you the right thing, at the right time, in the right place.
+
+Jubilee line down? I've already found you an alternative route. Flying tomorrow? Your boarding pass and gate info are ready before you even check. I learn your routines, anticipate what's next, and surface what matters before you even think to look for it.
+
+I'm not ready yet — [@kennethnym](https://x.com/kennethnym) is still building me. Drop your email below and I'll let you know when I'm available.`,
+	},
+]
+
+export function waitListJoinedMessage(email: string): SystemMessage {
+	return {
+		role: "system",
+		message: `Thanks for joining the waitlist! I've sent you a confirmation email.
+I'll send an email to **${email}** when I'm ready.
+
+Have a good day!`,
+	}
+}

apps/waitlist-website/app/chat/use-fake-streaming.ts

@@ -0,0 +1,23 @@
+import { useEffect, useMemo, useState } from "react"
+
+export function useFakeStreaming(fullContent: string) {
+	const [currentContent, setCurrentContent] = useState("")
+	const [isStreaming, setIsStreaming] = useState(true)
+
+	useEffect(() => {
+		const words = fullContent.split(" ")
+
+		let i = 0
+		const id = setInterval(() => {
+			if (i > words.length) {
+				setIsStreaming(false)
+				clearInterval(id)
+			} else {
+				setCurrentContent(words.slice(0, i).join(" ") + " ")
+				i++
+			}
+		}, 20)
+	}, [fullContent])
+
+	return useMemo(() => ({ currentContent, isStreaming }), [currentContent, isStreaming])
+}