ai-lawyer-agent/frontend/components/assistant-ui/thread.tsx

369 lines
13 KiB
TypeScript

import {
ComposerAddAttachment,
ComposerAttachments,
UserMessageAttachments,
} from "@/components/assistant-ui/attachment";
import { MarkdownText } from "@/components/assistant-ui/markdown-text";
import { ToolFallback } from "@/components/assistant-ui/tool-fallback";
import { TooltipIconButton } from "@/components/assistant-ui/tooltip-icon-button";
import { Button } from "@/components/ui/button";
import { cn } from "@/lib/utils";
import {
ActionBarMorePrimitive,
ActionBarPrimitive,
AuiIf,
BranchPickerPrimitive,
ComposerPrimitive,
ErrorPrimitive,
MessagePrimitive,
SuggestionPrimitive,
ThreadPrimitive,
useAuiState,
} from "@assistant-ui/react";
import {
ArrowDownIcon,
ArrowUpIcon,
CheckIcon,
ChevronLeftIcon,
ChevronRightIcon,
CopyIcon,
DownloadIcon,
MoreHorizontalIcon,
PencilIcon,
RefreshCwIcon,
SquareIcon,
} from "lucide-react";
import type { FC } from "react";
export const Thread: FC = () => {
return (
<ThreadPrimitive.Root
className="aui-root aui-thread-root @container flex h-full flex-col bg-background"
style={{
["--thread-max-width" as string]: "44rem",
["--composer-radius" as string]: "24px",
["--composer-padding" as string]: "10px",
}}
>
<ThreadPrimitive.Viewport
turnAnchor="top"
className="aui-thread-viewport relative flex flex-1 flex-col overflow-x-auto overflow-y-scroll scroll-smooth px-4 pt-4"
>
<AuiIf condition={(s) => s.thread.isEmpty}>
<ThreadWelcome />
</AuiIf>
<ThreadPrimitive.Messages>
{() => <ThreadMessage />}
</ThreadPrimitive.Messages>
<ThreadPrimitive.ViewportFooter className="aui-thread-viewport-footer sticky bottom-0 mx-auto mt-auto flex w-full max-w-(--thread-max-width) flex-col gap-4 overflow-visible rounded-t-(--composer-radius) bg-background pb-4 md:pb-6">
<ThreadScrollToBottom />
<Composer />
</ThreadPrimitive.ViewportFooter>
</ThreadPrimitive.Viewport>
</ThreadPrimitive.Root>
);
};
const ThreadMessage: FC = () => {
const role = useAuiState((s) => s.message.role);
const isEditing = useAuiState((s) => s.message.composer.isEditing);
if (isEditing) return <EditComposer />;
if (role === "user") return <UserMessage />;
return <AssistantMessage />;
};
const ThreadScrollToBottom: FC = () => {
return (
<ThreadPrimitive.ScrollToBottom asChild>
<TooltipIconButton
tooltip="Scroll to bottom"
variant="outline"
className="aui-thread-scroll-to-bottom absolute -top-12 z-10 self-center rounded-full p-4 disabled:invisible dark:border-border dark:bg-background dark:hover:bg-accent"
>
<ArrowDownIcon />
</TooltipIconButton>
</ThreadPrimitive.ScrollToBottom>
);
};
const ThreadWelcome: FC = () => {
return (
<div className="aui-thread-welcome-root mx-auto my-auto flex w-full max-w-(--thread-max-width) grow flex-col">
<div className="aui-thread-welcome-center flex w-full grow flex-col items-center justify-center">
<div className="aui-thread-welcome-message flex size-full flex-col justify-center px-4">
<h1 className="aui-thread-welcome-message-inner fade-in slide-in-from-bottom-1 animate-in fill-mode-both font-semibold text-2xl duration-200">
Hello there!
</h1>
<p className="aui-thread-welcome-message-inner fade-in slide-in-from-bottom-1 animate-in fill-mode-both text-muted-foreground text-xl delay-75 duration-200">
How can I help you today?
</p>
</div>
</div>
<ThreadSuggestions />
</div>
);
};
const ThreadSuggestions: FC = () => {
return (
<div className="aui-thread-welcome-suggestions grid w-full @md:grid-cols-2 gap-2 pb-4">
<ThreadPrimitive.Suggestions>
{() => <ThreadSuggestionItem />}
</ThreadPrimitive.Suggestions>
</div>
);
};
const ThreadSuggestionItem: FC = () => {
return (
<div className="aui-thread-welcome-suggestion-display fade-in slide-in-from-bottom-2 @md:nth-[n+3]:block nth-[n+3]:hidden animate-in fill-mode-both duration-200">
<SuggestionPrimitive.Trigger send asChild>
<Button
variant="ghost"
className="aui-thread-welcome-suggestion h-auto w-full @md:flex-col flex-wrap items-start justify-start gap-1 rounded-3xl border bg-background px-4 py-3 text-left text-sm transition-colors hover:bg-muted"
>
<SuggestionPrimitive.Title className="aui-thread-welcome-suggestion-text-1 font-medium" />
<SuggestionPrimitive.Description className="aui-thread-welcome-suggestion-text-2 text-muted-foreground empty:hidden" />
</Button>
</SuggestionPrimitive.Trigger>
</div>
);
};
const Composer: FC = () => {
return (
<ComposerPrimitive.Root className="aui-composer-root relative flex w-full flex-col">
<ComposerPrimitive.AttachmentDropzone asChild>
<div
data-slot="composer-shell"
className="flex w-full flex-col gap-2 rounded-(--composer-radius) border bg-background p-(--composer-padding) transition-shadow focus-within:border-ring/75 focus-within:ring-2 focus-within:ring-ring/20 data-[dragging=true]:border-ring data-[dragging=true]:border-dashed data-[dragging=true]:bg-accent/50"
>
<ComposerAttachments />
<ComposerPrimitive.Input
placeholder="Send a message..."
className="aui-composer-input max-h-32 min-h-10 w-full resize-none bg-transparent px-1.75 py-1 text-sm outline-none placeholder:text-muted-foreground/80"
rows={1}
autoFocus
aria-label="Message input"
/>
<ComposerAction />
</div>
</ComposerPrimitive.AttachmentDropzone>
</ComposerPrimitive.Root>
);
};
const ComposerAction: FC = () => {
return (
<div className="aui-composer-action-wrapper relative flex items-center justify-between">
<ComposerAddAttachment />
<AuiIf condition={(s) => !s.thread.isRunning}>
<ComposerPrimitive.Send asChild>
<TooltipIconButton
tooltip="Send message"
side="bottom"
type="button"
variant="default"
size="icon"
className="aui-composer-send size-8 rounded-full"
aria-label="Send message"
>
<ArrowUpIcon className="aui-composer-send-icon size-4" />
</TooltipIconButton>
</ComposerPrimitive.Send>
</AuiIf>
<AuiIf condition={(s) => s.thread.isRunning}>
<ComposerPrimitive.Cancel asChild>
<Button
type="button"
variant="default"
size="icon"
className="aui-composer-cancel size-8 rounded-full"
aria-label="Stop generating"
>
<SquareIcon className="aui-composer-cancel-icon size-3 fill-current" />
</Button>
</ComposerPrimitive.Cancel>
</AuiIf>
</div>
);
};
const MessageError: FC = () => {
return (
<MessagePrimitive.Error>
<ErrorPrimitive.Root className="aui-message-error-root mt-2 rounded-md border border-destructive bg-destructive/10 p-3 text-destructive text-sm dark:bg-destructive/5 dark:text-red-200">
<ErrorPrimitive.Message className="aui-message-error-message line-clamp-2" />
</ErrorPrimitive.Root>
</MessagePrimitive.Error>
);
};
const AssistantMessage: FC = () => {
return (
<MessagePrimitive.Root
className="aui-assistant-message-root fade-in slide-in-from-bottom-1 relative mx-auto w-full max-w-(--thread-max-width) animate-in py-3 duration-150"
data-role="assistant"
>
<div className="aui-assistant-message-content wrap-break-word px-2 text-foreground leading-relaxed">
<MessagePrimitive.Parts>
{({ part }) => {
if (part.type === "text") return <MarkdownText />;
if (part.type === "tool-call")
return part.toolUI ?? <ToolFallback {...part} />;
return null;
}}
</MessagePrimitive.Parts>
<MessageError />
</div>
<div className="aui-assistant-message-footer mt-1 ml-2 flex">
<BranchPicker />
<AssistantActionBar />
</div>
</MessagePrimitive.Root>
);
};
const AssistantActionBar: FC = () => {
return (
<ActionBarPrimitive.Root
hideWhenRunning
autohide="not-last"
autohideFloat="single-branch"
className="aui-assistant-action-bar-root col-start-3 row-start-2 -ml-1 flex gap-1 text-muted-foreground data-floating:absolute data-floating:rounded-md data-floating:border data-floating:bg-background data-floating:p-1 data-floating:shadow-sm"
>
<ActionBarPrimitive.Copy asChild>
<TooltipIconButton tooltip="Copy">
<AuiIf condition={(s) => s.message.isCopied}>
<CheckIcon />
</AuiIf>
<AuiIf condition={(s) => !s.message.isCopied}>
<CopyIcon />
</AuiIf>
</TooltipIconButton>
</ActionBarPrimitive.Copy>
<ActionBarPrimitive.Reload asChild>
<TooltipIconButton tooltip="Refresh">
<RefreshCwIcon />
</TooltipIconButton>
</ActionBarPrimitive.Reload>
<ActionBarMorePrimitive.Root>
<ActionBarMorePrimitive.Trigger asChild>
<TooltipIconButton
tooltip="More"
className="data-[state=open]:bg-accent"
>
<MoreHorizontalIcon />
</TooltipIconButton>
</ActionBarMorePrimitive.Trigger>
<ActionBarMorePrimitive.Content
side="bottom"
align="start"
className="aui-action-bar-more-content z-50 min-w-32 overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md"
>
<ActionBarPrimitive.ExportMarkdown asChild>
<ActionBarMorePrimitive.Item className="aui-action-bar-more-item flex cursor-pointer select-none items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-none hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground">
<DownloadIcon className="size-4" />
Export as Markdown
</ActionBarMorePrimitive.Item>
</ActionBarPrimitive.ExportMarkdown>
</ActionBarMorePrimitive.Content>
</ActionBarMorePrimitive.Root>
</ActionBarPrimitive.Root>
);
};
const UserMessage: FC = () => {
return (
<MessagePrimitive.Root
className="aui-user-message-root fade-in slide-in-from-bottom-1 mx-auto grid w-full max-w-(--thread-max-width) animate-in auto-rows-auto grid-cols-[minmax(72px,1fr)_auto] content-start gap-y-2 px-2 py-3 duration-150 [&:where(>*)]:col-start-2"
data-role="user"
>
<UserMessageAttachments />
<div className="aui-user-message-content-wrapper relative col-start-2 min-w-0">
<div className="aui-user-message-content wrap-break-word peer rounded-2xl bg-muted px-4 py-2.5 text-foreground empty:hidden">
<MessagePrimitive.Parts />
</div>
<div className="aui-user-action-bar-wrapper absolute top-1/2 left-0 -translate-x-full -translate-y-1/2 pr-2 peer-empty:hidden">
<UserActionBar />
</div>
</div>
<BranchPicker className="aui-user-branch-picker col-span-full col-start-1 row-start-3 -mr-1 justify-end" />
</MessagePrimitive.Root>
);
};
const UserActionBar: FC = () => {
return (
<ActionBarPrimitive.Root
hideWhenRunning
autohide="not-last"
className="aui-user-action-bar-root flex flex-col items-end"
>
<ActionBarPrimitive.Edit asChild>
<TooltipIconButton tooltip="Edit" className="aui-user-action-edit p-4">
<PencilIcon />
</TooltipIconButton>
</ActionBarPrimitive.Edit>
</ActionBarPrimitive.Root>
);
};
const EditComposer: FC = () => {
return (
<MessagePrimitive.Root className="aui-edit-composer-wrapper mx-auto flex w-full max-w-(--thread-max-width) flex-col px-2 py-3">
<ComposerPrimitive.Root className="aui-edit-composer-root ml-auto flex w-full max-w-[85%] flex-col rounded-2xl bg-muted">
<ComposerPrimitive.Input
className="aui-edit-composer-input min-h-14 w-full resize-none bg-transparent p-4 text-foreground text-sm outline-none"
autoFocus
/>
<div className="aui-edit-composer-footer mx-3 mb-3 flex items-center gap-2 self-end">
<ComposerPrimitive.Cancel asChild>
<Button variant="ghost" size="sm">
Cancel
</Button>
</ComposerPrimitive.Cancel>
<ComposerPrimitive.Send asChild>
<Button size="sm">Update</Button>
</ComposerPrimitive.Send>
</div>
</ComposerPrimitive.Root>
</MessagePrimitive.Root>
);
};
const BranchPicker: FC<BranchPickerPrimitive.Root.Props> = ({
className,
...rest
}) => {
return (
<BranchPickerPrimitive.Root
hideWhenSingleBranch
className={cn(
"aui-branch-picker-root mr-2 -ml-2 inline-flex items-center text-muted-foreground text-xs",
className,
)}
{...rest}
>
<BranchPickerPrimitive.Previous asChild>
<TooltipIconButton tooltip="Previous">
<ChevronLeftIcon />
</TooltipIconButton>
</BranchPickerPrimitive.Previous>
<span className="aui-branch-picker-state font-medium">
<BranchPickerPrimitive.Number /> / <BranchPickerPrimitive.Count />
</span>
<BranchPickerPrimitive.Next asChild>
<TooltipIconButton tooltip="Next">
<ChevronRightIcon />
</TooltipIconButton>
</BranchPickerPrimitive.Next>
</BranchPickerPrimitive.Root>
);
};