Files
NianToB/src/pages/Chat/ChatInput.tsx
2026-05-13 23:52:11 +08:00

768 lines
30 KiB
TypeScript

/**
* Chat Input Component
* Textarea with send button and universal file upload support.
* Enter to send, Shift+Enter for new line.
* Supports: native file picker, clipboard paste, drag & drop.
* Files are staged to disk via IPC — only lightweight path references
* are sent with the message (no base64 over WebSocket).
*/
import { useState, useRef, useEffect, useCallback, useMemo } from 'react';
import { Check, ChevronDown, SendHorizontal, Square, X, Paperclip, FileText, Film, Music, FileArchive, File, Loader2, BookOpen } from 'lucide-react';
import { Button } from '@/components/ui/button';
import { Textarea } from '@/components/ui/textarea';
import { hostApiFetch } from '@/lib/host-api';
import { invokeIpc } from '@/lib/api-client';
import { buildQuickTaskPrompt } from '@/lib/quick-task-prompt';
import { cn } from '@/lib/utils';
import { useGatewayStore } from '@/stores/gateway';
import { useQuickTasksStore } from '@/stores/quick-tasks';
import { useTranslation } from 'react-i18next';
// ── Types ────────────────────────────────────────────────────────
export interface FileAttachment {
id: string;
fileName: string;
mimeType: string;
fileSize: number;
stagedPath: string; // disk path for gateway
preview: string | null; // data URL for images, null for others
status: 'staging' | 'ready' | 'error';
error?: string;
}
export interface KnowledgeContextDocument {
id: string;
name: string;
mimeType: string;
storedPath: string;
textPath?: string;
}
const EMPTY_KNOWLEDGE_DOCUMENTS: KnowledgeContextDocument[] = [];
interface ChatInputProps {
onSend: (
text: string,
attachments?: FileAttachment[],
targetAgentId?: string | null,
options?: {
useKnowledgeBase?: boolean;
workspaceId?: string;
selectedKnowledgeDocumentIds?: string[];
quickTaskContext?: { taskNames: string[]; skillIds: string[]; prompt: string };
},
) => void;
onStop?: () => void;
disabled?: boolean;
sending?: boolean;
isEmpty?: boolean;
knowledgeDocuments?: KnowledgeContextDocument[];
workspaceId?: string;
}
// ── Helpers ──────────────────────────────────────────────────────
function formatFileSize(bytes: number): string {
if (bytes < 1024) return `${bytes} B`;
if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
if (bytes < 1024 * 1024 * 1024) return `${(bytes / (1024 * 1024)).toFixed(2)} MB`;
return `${(bytes / (1024 * 1024 * 1024)).toFixed(2)} GB`;
}
function FileIcon({ mimeType, className }: { mimeType: string; className?: string }) {
if (mimeType.startsWith('video/')) return <Film className={className} />;
if (mimeType.startsWith('audio/')) return <Music className={className} />;
if (mimeType.startsWith('text/') || mimeType === 'application/json' || mimeType === 'application/xml') return <FileText className={className} />;
if (mimeType.includes('zip') || mimeType.includes('compressed') || mimeType.includes('archive') || mimeType.includes('tar') || mimeType.includes('rar') || mimeType.includes('7z')) return <FileArchive className={className} />;
if (mimeType === 'application/pdf') return <FileText className={className} />;
return <File className={className} />;
}
/**
* Read a browser File object as base64 string (without the data URL prefix).
*/
function readFileAsBase64(file: globalThis.File): Promise<string> {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onload = () => {
const dataUrl = reader.result as string;
if (!dataUrl || !dataUrl.includes(',')) {
reject(new Error(`Invalid data URL from FileReader for ${file.name}`));
return;
}
const base64 = dataUrl.split(',')[1];
if (!base64) {
reject(new Error(`Empty base64 data for ${file.name}`));
return;
}
resolve(base64);
};
reader.onerror = () => reject(new Error(`Failed to read file: ${file.name}`));
reader.readAsDataURL(file);
});
}
// ── Component ────────────────────────────────────────────────────
export function ChatInput({
onSend,
onStop,
disabled = false,
sending = false,
isEmpty = false,
knowledgeDocuments = EMPTY_KNOWLEDGE_DOCUMENTS,
workspaceId,
}: ChatInputProps) {
const { t } = useTranslation('chat');
const [input, setInput] = useState('');
const [attachments, setAttachments] = useState<FileAttachment[]>([]);
const [knowledgePickerOpen, setKnowledgePickerOpen] = useState(false);
const [selectedKnowledgeIds, setSelectedKnowledgeIds] = useState<string[]>([]);
const [selectedQuickTaskIds, setSelectedQuickTaskIds] = useState<string[]>([]);
const textareaRef = useRef<HTMLTextAreaElement>(null);
const knowledgePickerRef = useRef<HTMLDivElement>(null);
const isComposingRef = useRef(false);
const quickTaskPromptRef = useRef('');
const gatewayStatus = useGatewayStore((s) => s.status);
const quickTasks = useQuickTasksStore((state) => state.tasks);
const knowledgeBaseAvailable = knowledgeDocuments.length > 0;
const composerQuickTasks = useMemo(
() => quickTasks.filter((task) => task.enabled && task.showInComposer),
[quickTasks],
);
const selectedQuickTasks = useMemo(
() => composerQuickTasks.filter((task) => selectedQuickTaskIds.includes(task.id)),
[composerQuickTasks, selectedQuickTaskIds],
);
const selectedQuickTaskPrompt = useMemo(
() => buildQuickTaskPrompt(selectedQuickTasks),
[selectedQuickTasks],
);
const selectedKnowledgeDocuments = knowledgeDocuments.filter((doc) => selectedKnowledgeIds.includes(doc.id));
// Auto-resize textarea
useEffect(() => {
if (textareaRef.current) {
textareaRef.current.style.height = 'auto';
textareaRef.current.style.height = `${Math.min(textareaRef.current.scrollHeight, 240)}px`;
}
}, [input]);
// Focus textarea on mount (avoids Windows focus loss after session delete + native dialog)
useEffect(() => {
if (!disabled && textareaRef.current) {
textareaRef.current.focus();
}
}, [disabled]);
useEffect(() => {
setSelectedKnowledgeIds((current) => {
const next = current.filter((id) => knowledgeDocuments.some((doc) => doc.id === id));
return next.length === current.length ? current : next;
});
}, [knowledgeDocuments]);
useEffect(() => {
setSelectedQuickTaskIds((current) => {
const next = current.filter((id) => composerQuickTasks.some((task) => task.id === id));
return next.length === current.length ? current : next;
});
}, [composerQuickTasks]);
useEffect(() => {
const previousPrompt = quickTaskPromptRef.current;
const nextPrompt = selectedQuickTaskPrompt.trim();
if (previousPrompt === nextPrompt) return;
setInput((current) => {
let body = current;
if (previousPrompt) {
if (body === previousPrompt) {
body = '';
} else if (body.startsWith(`${previousPrompt} `)) {
body = body.slice(previousPrompt.length + 1);
} else if (body.startsWith(`${previousPrompt}\n\n`)) {
body = body.slice(previousPrompt.length + 2);
}
}
return body.trimStart();
});
quickTaskPromptRef.current = nextPrompt;
}, [selectedQuickTaskPrompt]);
useEffect(() => {
if (!knowledgePickerOpen) return;
const handlePointerDown = (event: MouseEvent) => {
if (!knowledgePickerRef.current?.contains(event.target as Node)) {
setKnowledgePickerOpen(false);
}
};
document.addEventListener('mousedown', handlePointerDown);
return () => {
document.removeEventListener('mousedown', handlePointerDown);
};
}, [knowledgePickerOpen]);
// ── File staging via native dialog ─────────────────────────────
const pickFiles = useCallback(async () => {
try {
const result = await invokeIpc('dialog:open', {
properties: ['openFile', 'multiSelections'],
}) as { canceled: boolean; filePaths?: string[] };
if (result.canceled || !result.filePaths?.length) return;
// Add placeholder entries immediately
const tempIds: string[] = [];
for (const filePath of result.filePaths) {
const tempId = crypto.randomUUID();
tempIds.push(tempId);
// Handle both Unix (/) and Windows (\) path separators
const fileName = filePath.split(/[\\/]/).pop() || 'file';
setAttachments(prev => [...prev, {
id: tempId,
fileName,
mimeType: '',
fileSize: 0,
stagedPath: '',
preview: null,
status: 'staging' as const,
}]);
}
// Stage all files via IPC
console.log('[pickFiles] Staging files:', result.filePaths);
const staged = await hostApiFetch<Array<{
id: string;
fileName: string;
mimeType: string;
fileSize: number;
stagedPath: string;
preview: string | null;
}>>('/api/files/stage-paths', {
method: 'POST',
body: JSON.stringify({ filePaths: result.filePaths }),
});
console.log('[pickFiles] Stage result:', staged?.map(s => ({ id: s?.id, fileName: s?.fileName, mimeType: s?.mimeType, fileSize: s?.fileSize, stagedPath: s?.stagedPath, hasPreview: !!s?.preview })));
// Update each placeholder with real data
setAttachments(prev => {
let updated = [...prev];
for (let i = 0; i < tempIds.length; i++) {
const tempId = tempIds[i];
const data = staged[i];
if (data) {
updated = updated.map(a =>
a.id === tempId
? { ...data, status: 'ready' as const }
: a,
);
} else {
console.warn(`[pickFiles] No staged data for tempId=${tempId} at index ${i}`);
updated = updated.map(a =>
a.id === tempId
? { ...a, status: 'error' as const, error: 'Staging failed' }
: a,
);
}
}
return updated;
});
} catch (err) {
console.error('[pickFiles] Failed to stage files:', err);
// Mark any stuck 'staging' attachments as 'error' so the user can remove them
// and the send button isn't permanently blocked
setAttachments(prev => prev.map(a =>
a.status === 'staging'
? { ...a, status: 'error' as const, error: String(err) }
: a,
));
}
}, []);
// ── Stage browser File objects (paste / drag-drop) ─────────────
const stageBufferFiles = useCallback(async (files: globalThis.File[]) => {
for (const file of files) {
const tempId = crypto.randomUUID();
setAttachments(prev => [...prev, {
id: tempId,
fileName: file.name,
mimeType: file.type || 'application/octet-stream',
fileSize: file.size,
stagedPath: '',
preview: null,
status: 'staging' as const,
}]);
try {
console.log(`[stageBuffer] Reading file: ${file.name} (${file.type}, ${file.size} bytes)`);
const base64 = await readFileAsBase64(file);
console.log(`[stageBuffer] Base64 length: ${base64?.length ?? 'null'}`);
const staged = await hostApiFetch<{
id: string;
fileName: string;
mimeType: string;
fileSize: number;
stagedPath: string;
preview: string | null;
}>('/api/files/stage-buffer', {
method: 'POST',
body: JSON.stringify({
base64,
fileName: file.name,
mimeType: file.type || 'application/octet-stream',
}),
});
console.log(`[stageBuffer] Staged: id=${staged?.id}, path=${staged?.stagedPath}, size=${staged?.fileSize}`);
setAttachments(prev => prev.map(a =>
a.id === tempId ? { ...staged, status: 'ready' as const } : a,
));
} catch (err) {
console.error(`[stageBuffer] Error staging ${file.name}:`, err);
setAttachments(prev => prev.map(a =>
a.id === tempId
? { ...a, status: 'error' as const, error: String(err) }
: a,
));
}
}
}, []);
// ── Attachment management ──────────────────────────────────────
const removeAttachment = useCallback((id: string) => {
setAttachments(prev => prev.filter(a => a.id !== id));
}, []);
const allReady = attachments.length === 0 || attachments.every(a => a.status === 'ready');
const hasFailedAttachments = attachments.some((a) => a.status === 'error');
const canSend = (input.trim() || attachments.length > 0 || selectedQuickTasks.length > 0) && allReady && !disabled && !sending;
const canStop = sending && !disabled && !!onStop;
const handleSend = useCallback(() => {
if (!canSend) return;
const readyAttachments = attachments.filter(a => a.status === 'ready');
// Capture values before clearing — clear input immediately for snappy UX,
// but keep attachments available for the async send
const textToSend = [selectedQuickTaskPrompt, input.trim()].filter(Boolean).join(' ');
const attachmentsToSend = readyAttachments.length > 0 ? readyAttachments : undefined;
console.log(`[handleSend] text="${textToSend.substring(0, 50)}", attachments=${attachments.length}, ready=${readyAttachments.length}, sending=${!!attachmentsToSend}`);
if (attachmentsToSend) {
console.log('[handleSend] Attachment details:', attachmentsToSend.map(a => ({
id: a.id, fileName: a.fileName, mimeType: a.mimeType, fileSize: a.fileSize,
stagedPath: a.stagedPath, status: a.status, hasPreview: !!a.preview,
})));
}
if (selectedQuickTasks.length > 0) {
console.log('[handleSend] Quick task prompt:', selectedQuickTaskPrompt);
}
setInput('');
setAttachments([]);
if (textareaRef.current) {
textareaRef.current.style.height = 'auto';
}
onSend(textToSend, attachmentsToSend, null, {
useKnowledgeBase: selectedKnowledgeIds.length > 0,
workspaceId,
selectedKnowledgeDocumentIds: selectedKnowledgeIds,
});
setKnowledgePickerOpen(false);
setSelectedQuickTaskIds([]);
quickTaskPromptRef.current = '';
}, [input, attachments, canSend, onSend, selectedKnowledgeIds, workspaceId, selectedQuickTasks, selectedQuickTaskPrompt]);
const handleStop = useCallback(() => {
if (!canStop) return;
onStop?.();
}, [canStop, onStop]);
const handleKeyDown = useCallback(
(e: React.KeyboardEvent) => {
if (e.key === 'Enter' && !e.shiftKey) {
const nativeEvent = e.nativeEvent as KeyboardEvent;
if (isComposingRef.current || nativeEvent.isComposing || nativeEvent.keyCode === 229) {
return;
}
e.preventDefault();
handleSend();
}
},
[handleSend],
);
const toggleKnowledgeDocument = useCallback((id: string) => {
setSelectedKnowledgeIds((current) => (
current.includes(id)
? current.filter((item) => item !== id)
: [...current, id]
));
}, []);
const toggleQuickTask = useCallback((id: string) => {
setSelectedQuickTaskIds((current) => (
current.includes(id)
? []
: [id]
));
}, []);
// Handle paste (Ctrl/Cmd+V with files)
const handlePaste = useCallback(
(e: React.ClipboardEvent) => {
const items = e.clipboardData?.items;
if (!items) return;
const pastedFiles: globalThis.File[] = [];
for (const item of Array.from(items)) {
if (item.kind === 'file') {
const file = item.getAsFile();
if (file) pastedFiles.push(file);
}
}
if (pastedFiles.length > 0) {
e.preventDefault();
stageBufferFiles(pastedFiles);
}
},
[stageBufferFiles],
);
// Handle drag & drop
const [dragOver, setDragOver] = useState(false);
const handleDragOver = useCallback((e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
setDragOver(true);
}, []);
const handleDragLeave = useCallback((e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
setDragOver(false);
}, []);
const handleDrop = useCallback(
(e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
setDragOver(false);
if (e.dataTransfer?.files?.length) {
stageBufferFiles(Array.from(e.dataTransfer.files));
}
},
[stageBufferFiles],
);
return (
<div
className={cn(
"w-full shrink-0 px-0 pb-0 pt-3 mx-auto transition-all duration-300",
isEmpty ? "max-w-4xl" : "max-w-4xl"
)}
onDragOver={handleDragOver}
onDragLeave={handleDragLeave}
onDrop={handleDrop}
>
<div className="w-full">
{/* Attachment Previews */}
{attachments.length > 0 && (
<div className="flex gap-2 mb-3 flex-wrap">
{attachments.map((att) => (
<AttachmentPreview
key={att.id}
attachment={att}
onRemove={() => removeAttachment(att.id)}
/>
))}
</div>
)}
{composerQuickTasks.length > 0 && (
<div className="mb-2 flex flex-wrap gap-1.5">
{composerQuickTasks.map((task) => {
const selected = selectedQuickTaskIds.includes(task.id);
const skillNames = task.skills.map((skill) => skill.name).filter(Boolean).join('、') || task.name;
return (
<div key={task.id} className="group relative">
<button
type="button"
onClick={() => toggleQuickTask(task.id)}
disabled={disabled || sending}
data-testid={`chat-quick-task-${task.id}`}
className={cn(
'inline-flex max-w-[220px] items-center gap-1.5 rounded-lg border px-2.5 py-1 text-[12px] font-medium transition-colors',
selected
? 'border-[#7DBADB] bg-[#F4FAFD] text-[#075985]'
: 'border-slate-200/80 bg-white text-muted-foreground hover:bg-[#F8FBFE] dark:border-white/10 dark:bg-card dark:hover:bg-white/10',
)}
>
<span className="truncate">{task.name}</span>
</button>
<div className="pointer-events-none absolute bottom-full left-0 z-30 mb-2 hidden w-72 rounded-lg border border-slate-200/80 bg-white p-3 text-left shadow-[0_18px_48px_rgba(15,23,42,0.14)] group-hover:block dark:border-white/10 dark:bg-card">
<div className="text-[13px] font-semibold text-foreground">{task.name}</div>
<div className="mt-1 text-[12px] leading-5 text-muted-foreground">
{task.description || t('composer.quickTaskHelp')}
</div>
{skillNames && (
<div className="mt-2 rounded-md bg-slate-50 px-2 py-1.5 text-[11px] leading-4 text-slate-600 dark:bg-white/5 dark:text-slate-300">
{skillNames}
</div>
)}
</div>
</div>
);
})}
</div>
)}
{/* Input Container */}
<div className={`relative rounded-lg border bg-white px-3 pb-2 pt-3 shadow-none transition-colors dark:bg-card ${dragOver ? 'border-[#0369A1] ring-1 ring-[#0369A1]' : 'border-slate-200/80 dark:border-white/10'}`}>
{selectedKnowledgeDocuments.length > 0 && (
<div className="flex flex-wrap gap-1.5 pb-1.5">
{selectedKnowledgeDocuments.map((doc) => (
<button
key={doc.id}
type="button"
onClick={() => toggleKnowledgeDocument(doc.id)}
className="inline-flex max-w-[220px] items-center gap-1.5 rounded-lg border border-[#7DBADB]/70 bg-[#F4FAFD] px-2.5 py-1 text-[13px] font-medium text-foreground transition-colors hover:bg-[#EAF5FA]"
title={doc.name}
>
<BookOpen className="h-3 w-3 shrink-0 text-[#1E3A8A]" />
<span className="truncate">{doc.name}</span>
<X className="h-3 w-3 shrink-0 text-muted-foreground" />
</button>
))}
</div>
)}
{/* Text Row — flush-left */}
<div className="flex min-h-[48px] items-start text-[14px] font-normal leading-6">
{selectedQuickTaskPrompt && (
<span
onClick={() => textareaRef.current?.focus()}
className="mt-0 select-none whitespace-nowrap pr-1.5 font-sans text-[14px] font-normal leading-6 text-muted-foreground/60"
>
{selectedQuickTaskPrompt}
</span>
)}
<Textarea
ref={textareaRef}
value={input}
onChange={(e) => setInput(e.target.value)}
onKeyDown={handleKeyDown}
onCompositionStart={() => {
isComposingRef.current = true;
}}
onCompositionEnd={() => {
isComposingRef.current = false;
}}
onPaste={handlePaste}
placeholder={disabled ? t('composer.gatewayDisconnectedPlaceholder') : ''}
disabled={disabled}
data-testid="chat-composer-input"
className="block min-h-[48px] max-h-[240px] min-w-0 flex-1 resize-none border-0 bg-transparent p-0 font-sans text-[14px] font-normal leading-6 shadow-none placeholder:text-muted-foreground/60 focus-visible:ring-0 focus-visible:ring-offset-0"
rows={1}
/>
</div>
{/* Action Row — icons on their own line */}
<div className="mt-1.5 flex items-center gap-1">
{/* Attach Button */}
<Button
variant="ghost"
size="icon"
className="h-8 w-8 shrink-0 rounded-lg text-muted-foreground transition-colors hover:bg-[#EAF5FA] hover:text-[#075985] dark:hover:bg-white/10"
onClick={pickFiles}
disabled={disabled || sending}
title={t('composer.attachFiles')}
>
<Paperclip className="h-3.5 w-3.5" />
</Button>
<div ref={knowledgePickerRef} className="relative shrink-0">
<Button
variant="ghost"
className={cn(
'h-8 rounded-lg px-2 text-[12px] text-muted-foreground transition-colors hover:bg-[#EAF5FA] hover:text-[#075985] dark:hover:bg-white/10',
selectedKnowledgeIds.length > 0 && 'bg-[#F4FAFD] text-[#075985] hover:bg-[#EAF5FA]',
)}
onClick={() => setKnowledgePickerOpen((open) => !open)}
disabled={!knowledgeBaseAvailable || disabled || sending}
data-testid="chat-composer-knowledge-button"
title={knowledgeBaseAvailable ? '选择知识库文件作为上下文' : '当前组织空间暂无知识文件'}
>
<BookOpen className="mr-1.5 h-3.5 w-3.5" />
<span className="ml-1 text-muted-foreground">
{selectedKnowledgeIds.length > 0 ? selectedKnowledgeIds.length : knowledgeDocuments.length}
</span>
<ChevronDown className="ml-1 h-3 w-3" />
</Button>
{knowledgePickerOpen && (
<div
data-testid="chat-composer-knowledge-popover"
className="absolute bottom-full left-0 z-30 mb-2 w-80 max-w-[calc(100vw-7rem)] overflow-hidden rounded-lg border border-slate-200/80 bg-white/95 p-2 shadow-[0_18px_48px_rgba(15,23,42,0.14)] backdrop-blur dark:border-white/10 dark:bg-card"
>
<div className="flex items-center justify-between px-2 py-1.5">
<div className="text-[12px] font-medium text-foreground"></div>
{selectedKnowledgeIds.length > 0 && (
<button
type="button"
onClick={() => setSelectedKnowledgeIds([])}
className="text-[11px] text-muted-foreground transition-colors hover:text-foreground"
>
</button>
)}
</div>
<div className="max-h-64 overflow-y-auto">
{knowledgeDocuments.map((doc) => {
const selected = selectedKnowledgeIds.includes(doc.id);
return (
<button
key={doc.id}
type="button"
onClick={() => toggleKnowledgeDocument(doc.id)}
className={cn(
'flex w-full items-center gap-2 rounded-lg px-2 py-2 text-left transition-colors',
selected ? 'bg-[#EAF5FA] text-foreground' : 'hover:bg-[#F8FBFE] dark:hover:bg-white/5',
)}
>
<span className={cn(
'flex h-4 w-4 shrink-0 items-center justify-center rounded border',
selected ? 'border-[#1E3A8A] bg-[#1E3A8A] text-white' : 'border-slate-300 text-transparent',
)}>
<Check className="h-3 w-3" />
</span>
<span className="min-w-0 flex-1">
<span className="block truncate text-[13px] font-medium">{doc.name}</span>
<span className="block truncate text-[11px] text-muted-foreground">
{doc.textPath ? '已提取文本' : doc.mimeType}
</span>
</span>
</button>
);
})}
</div>
</div>
)}
</div>
{/* Send Button — pushed to the right */}
<Button
onClick={sending ? handleStop : handleSend}
disabled={sending ? !canStop : !canSend}
size="icon"
data-testid="chat-composer-send"
className={`ml-auto h-8 w-8 shrink-0 rounded-lg transition-colors ${
(sending || canSend)
? 'bg-[#0369A1] text-white hover:bg-[#075985]'
: 'text-muted-foreground/50 hover:bg-transparent bg-transparent'
}`}
variant="ghost"
title={sending ? t('composer.stop') : t('composer.send')}
>
{sending ? (
<Square className="h-3.5 w-3.5" fill="currentColor" />
) : (
<SendHorizontal className="h-4 w-4" strokeWidth={2} />
)}
</Button>
</div>
</div>
<div className="mt-2.5 flex items-center justify-between gap-2 px-1 text-[11px] text-muted-foreground/60">
<div className="flex items-center gap-1.5">
<div className={cn("w-1.5 h-1.5 rounded-full", gatewayStatus.state === 'running' ? "bg-green-500/80" : "bg-red-500/80")} />
<span>
{t('composer.gatewayStatus', {
state: gatewayStatus.state === 'running'
? t('composer.gatewayConnected')
: gatewayStatus.state,
port: gatewayStatus.port,
pid: gatewayStatus.pid ? `| pid: ${gatewayStatus.pid}` : '',
})}
</span>
</div>
{hasFailedAttachments && (
<Button
variant="link"
size="sm"
className="h-auto p-0 text-[11px]"
onClick={() => {
setAttachments((prev) => prev.filter((att) => att.status !== 'error'));
void pickFiles();
}}
>
{t('composer.retryFailedAttachments')}
</Button>
)}
</div>
</div>
</div>
);
}
// ── Attachment Preview ───────────────────────────────────────────
function AttachmentPreview({
attachment,
onRemove,
}: {
attachment: FileAttachment;
onRemove: () => void;
}) {
const isImage = attachment.mimeType.startsWith('image/') && attachment.preview;
return (
<div className="group relative overflow-hidden rounded-lg border border-slate-200/80 dark:border-white/10">
{isImage ? (
// Image thumbnail
<div className="w-16 h-16">
<img
src={attachment.preview!}
alt={attachment.fileName}
className="w-full h-full object-cover"
/>
</div>
) : (
// Generic file card
<div className="flex max-w-[200px] items-center gap-2 bg-slate-50 px-3 py-2 dark:bg-white/5">
<FileIcon mimeType={attachment.mimeType} className="h-5 w-5 shrink-0 text-muted-foreground" />
<div className="min-w-0 overflow-hidden">
<p className="text-xs font-medium truncate">{attachment.fileName}</p>
<p className="text-[10px] text-muted-foreground">
{attachment.fileSize > 0 ? formatFileSize(attachment.fileSize) : '...'}
</p>
</div>
</div>
)}
{/* Staging overlay */}
{attachment.status === 'staging' && (
<div className="absolute inset-0 bg-black/40 flex items-center justify-center">
<Loader2 className="h-4 w-4 text-white animate-spin" />
</div>
)}
{/* Error overlay */}
{attachment.status === 'error' && (
<div className="absolute inset-0 bg-destructive/20 flex items-center justify-center">
<span className="text-[10px] text-destructive font-medium px-1">Error</span>
</div>
)}
{/* Remove button */}
<button
onClick={onRemove}
className="absolute -top-1 -right-1 bg-destructive text-destructive-foreground rounded-full p-0.5 opacity-0 group-hover:opacity-100 transition-opacity"
>
<X className="h-3 w-3" />
</button>
</div>
);
}