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import { useToast } from '../components/ui/Toast';
import { Pagination } from '../components/ui/Pagination';
import { documentApi } from '../api/documents';
import type { DocumentItem } from '../api/types';
import { FileText, Download, Trash2, RefreshCw, XCircle, Upload, Clock, Languages, HardDrive } from 'lucide-react';
import { LANGUAGE_CODES } from '../api/types';
import { useTranslation } from 'react-i18next';
function DocumentPage() {
const { t } = useTranslation();
const { success, error: toastError } = useToast();
const [sourceLang, setSourceLang] = useState('auto');
const [targetLang, setTargetLang] = useState('zh');
const [documents, setDocuments] = useState<DocumentItem[]>([]);
const [uploading, setUploading] = useState(false);
const [loading, setLoading] = useState(false);
const [page, setPage] = useState(1);
const [totalPages, setTotalPages] = useState(1);
const [total, setTotal] = useState(0);
const hasActiveTasks = documents.some(
doc => doc.status === 'pending' || doc.status === 'processing'
);
useEffect(() => {
if (!hasActiveTasks) return;
const interval = setInterval(loadDocuments, 3000);
return () => clearInterval(interval);
}, [hasActiveTasks]);
useEffect(() => { loadDocuments(); }, []);
useEffect(() => { loadDocuments(); }, [page]);
useEffect(() => { setPage(1); }, [sourceLang, targetLang]);
const loadDocuments = async () => {
setLoading(true);
try {
const { data } = await documentApi.getList({ page, pageSize: 20 });
setDocuments(data.list || []);
setTotalPages(Math.ceil((data.total || 0) / 20) || 1);
setTotal(data.total || 0);
} catch (err) {
console.warn('加载文档列表失败:', err);
}
finally { setLoading(false); }
};
const handleUpload = useCallback(async (file: File) => {
const allowedTypes = ['.txt', '.epub', '.docx', '.pdf'];
const ext = '.' + file.name.split('.').pop()?.toLowerCase();
if (!allowedTypes.includes(ext)) {
toastError(`不支持的文件类型: ${ext}，仅支持 ${allowedTypes.join(', ')}`);
return;
}
const maxSize = 50 * 1024 * 1024;
if (file.size > maxSize) {
toastError(`文件过大: ${(file.size / 1024 / 1024).toFixed(1)}MB，最大支持 50MB`);
return;
}
setUploading(true);
try {
await documentApi.upload(file, { sourceLang, targetLang, mode: 'expert' });
success('文件上传成功，开始翻译');
loadDocuments();
} catch (err) {
toastError(err instanceof Error ? err.message : '上传失败');
} finally {
setUploading(false);
}
}, [sourceLang, targetLang]);
const handleDelete = async (docId: number) => {
try { await documentApi.delete(docId); success('已删除'); loadDocuments(); }
catch { toastError(t('document.messages.deleteFailed')); }
};
const handleDownload = async (doc: DocumentItem) => {
try {
const blob = await documentApi.download(doc.id);
const ext = doc.fileType || '.' + (doc.fileName?.split('.').pop() || 'txt');
const baseName = doc.fileName?.replace(/\.[^.]+$/, '') || `translated_${doc.id}`;
const url = URL.createObjectURL(blob);
const a = document.createElement('a'); a.href = url; a.download = `${baseName}_translated${ext}`; a.click();
URL.revokeObjectURL(url);
success('下载成功');
} catch (e) {
const msg = e instanceof Error ? e.message : '下载失败';
toastError(msg.includes('401') ? '请先登录' : msg.includes('404') ? '文件不存在' : msg);
}
};
const handleRetry = async (docId: number) => {
try { await documentApi.retry(docId); success('已重新提交翻译'); loadDocuments(); }
catch { toastError('重试失败'); }
};
const handleCancel = async (docId: number) => {
try { await documentApi.cancel(docId); success('已取消'); loadDocuments(); }
catch { toastError('取消失败'); }
};
const statusLabel: Record<string, string> = {
pending: t('document.status.queued'),
processing: t('document.status.translating'),
completed: t('document.status.completed'),
failed: t('document.status.failed'),
cancelled: t('document.status.cancelled'),
};
const statusColor: Record<string, string> = {
pending: 'bg-yellow-bg text-yellow',
processing: 'bg-accent-bg text-accent',
completed: 'bg-green-bg text-green',
failed: 'bg-red-bg text-red',
cancelled: 'bg-gray-100 text-text-tertiary',
};
const formatFileSize = (bytes: number) => {
Iif (bytes < 1024) return bytes + ' B';
if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB';
return (bytes / 1024 / 1024).toFixed(1) + ' MB';
};
const getLangName = (code: string) => {
return t(`common.languages.${code}`, { defaultValue: code });
};
return (
<div className="py-8">
<div className="mb-6">
<h1 className="text-[28px] font-bold text-text-primary mb-2 tracking-tight">
{t('document.title')}
</h1>
<p className="text-[15px] text-text-secondary">
{t('document.subtitle')}
</p>
</div>
<div className="border border-border rounded-xl shadow-sm bg-surface overflow-hidden">
<div className="flex flex-col sm:flex-row items-start sm:items-center gap-3 px-6 py-4 border-b border-border bg-surface-secondary/50">
<div className="flex items-center gap-3 flex-1">
<select
value={sourceLang}
onChange={e => setSourceLang(e.target.value)}
className="bg-transparent text-text-primary text-[14px] font-medium cursor-pointer hover:text-accent transition-colors focus:outline-none border-none"
>
{LANGUAGE_CODES.map(code => (
<option key={code} value={code}>{t(`common.languages.${code}`)}</option>
))}
</select>
<select
value={targetLang}
onChange={e => setTargetLang(e.target.value)}
className="bg-transparent text-text-primary text-[14px] font-medium cursor-pointer hover:text-accent transition-colors focus:outline-none border-none"
>
{LANGUAGE_CODES.filter(c => c !== 'auto').map(code => (
<option key={code} value={code}>{t(`common.languages.${code}`)}</option>
))}
</select>
</div>
</div>
<div className="p-6 border-b border-border">
<div
onDragOver={e => {
e.preventDefault();
e.currentTarget.classList.add('border-accent', 'bg-accent-bg');
}}
onDragLeave={e => {
e.preventDefault();
e.currentTarget.classList.remove('border-accent', 'bg-accent-bg');
}}
onDrop={e => {
e.preventDefault();
e.currentTarget.classList.remove('border-accent', 'bg-accent-bg');
Eif (e.dataTransfer.files[0]) handleUpload(e.dataTransfer.files[0]);
}}
onClick={() => {
const input = document.createElement('input');
input.type = 'file';
input.accept = '.txt,.epub,.docx,.pdf';
input.onchange = () => {
if (input.files?.[0]) handleUpload(input.files[0]);
};
input.click();
}}
className="border-2 border-dashed border-border rounded-xl p-10 text-center hover:border-accent/50 hover:bg-surface-secondary/30 transition-all cursor-pointer group"
>
<div className="flex flex-col items-center gap-3">
<div className="w-16 h-16 rounded-full bg-surface-secondary group-hover:bg-accent-bg transition-colors flex items-center justify-center">
<Upload className="w-8 h-8 text-text-tertiary group-hover:text-accent transition-colors" />
</div>
<div>
<p className="text-[15px] font-medium text-text-primary mb-1">
{t('document.upload.drag')}
</p>
<p className="text-[13px] text-text-tertiary">
{t('document.upload.formats')}
</p>
</div>
<div className="flex items-center gap-4 mt-2">
<span className="text-[11px] text-text-placeholder px-2 py-1 bg-surface-secondary rounded">TXT</span>
<span className="text-[11px] text-text-placeholder px-2 py-1 bg-surface-secondary rounded">EPUB</span>
<span className="text-[11px] text-text-placeholder px-2 py-1 bg-surface-secondary rounded">DOCX</span>
<span className="text-[11px] text-text-placeholder px-2 py-1 bg-surface-secondary rounded">PDF</span>
</div>
</div>
</div>
{uploading && (
<div className="mt-4 flex items-center justify-center gap-2 text-[13px] text-accent">
<div className="w-4 h-4 border-2 border-accent border-t-transparent rounded-full animate-spin" />
{t('document.upload.uploading')}
</div>
)}
</div>
<div className="flex-1 overflow-auto">
{loading ? (
<div className="flex flex-col items-center justify-center py-16 gap-3">
<div className="w-8 h-8 border-2 border-accent border-t-transparent rounded-full animate-spin" />
<span className="text-[13px] text-text-tertiary">{t('document.loading')}</span>
</div>
) : documents.length === 0 ? (
<div className="flex flex-col items-center justify-center py-16 gap-4 text-center">
<div className="w-16 h-16 rounded-full bg-surface-secondary flex items-center justify-center">
<FileText className="w-8 h-8 text-text-tertiary" />
</div>
<div>
<p className="text-[15px] font-medium text-text-secondary mb-1">{t('document.empty.title')}</p>
<p className="text-[13px] text-text-tertiary">{t('document.empty.subtitle')}</p>
</div>
</div>
) : (
<div className="divide-y divide-border/50">
{documents.map(doc => (
<div key={doc.id} className="px-6 py-4 hover:bg-surface-secondary/30 transition-colors">
<div className="flex items-start gap-4">
<div className="flex-shrink-0 w-10 h-10 rounded-lg bg-surface-secondary flex items-center justify-center">
<FileText className="w-5 h-5 text-text-tertiary" />
</div>
<div className="flex-1 min-w-0">
<div className="flex items-start justify-between gap-3 mb-2">
<div className="min-w-0 flex-1">
<p className="text-[14px] font-medium text-text-primary truncate" title={doc.name}>
{doc.name}
</p>
<div className="flex items-center gap-3 mt-1.5 text-[12px] text-text-tertiary">
<span className="flex items-center gap-1">
<Languages className="w-3 h-3" />
{getLangName(doc.sourceLang)} → {getLangName(doc.targetLang)}
</span>
<span className="flex items-center gap-1">
<HardDrive className="w-3 h-3" />
{formatFileSize(doc.fileSize || 0)}
</span>
<span className="flex items-center gap-1">
<Clock className="w-3 h-3" />
{new Date(doc.createTime).toLocaleString('zh-CN', {
month: '2-digit',
day: '2-digit',
hour: '2-digit',
minute: '2-digit'
})}
</span>
</div>
</div>
<div className="flex items-center gap-2 flex-shrink-0">
{doc.status === 'completed' && (
<button
onClick={() => handleDownload(doc)}
className="p-2 rounded-lg text-text-tertiary hover:text-accent hover:bg-accent-bg transition-colors"
title={t('document.actions.download')}
>
<Download className="w-4 h-4" />
</button>
)}
{(doc.status === 'pending' || doc.status === 'processing') && (
<button
onClick={() => handleCancel(doc.id)}
className="p-2 rounded-lg text-text-tertiary hover:text-red hover:bg-red-bg transition-colors"
title={t('document.actions.cancel')}
>
<XCircle className="w-4 h-4" />
</button>
)}
{doc.status === 'failed' && (
<button
onClick={() => handleRetry(doc.id)}
className="p-2 rounded-lg text-text-tertiary hover:text-accent hover:bg-accent-bg transition-colors"
title={t('document.actions.retry')}
>
<RefreshCw className="w-4 h-4" />
</button>
)}
<button
onClick={() => handleDelete(doc.id)}
className="p-2 rounded-lg text-text-tertiary hover:text-red hover:bg-red-bg transition-colors"
title={t('document.actions.delete')}
>
<Trash2 className="w-4 h-4" />
</button>
</div>
</div>
<div className="flex items-center gap-3">
<span className={`inline-flex items-center px-2.5 py-0.5 rounded-full text-[12px] font-medium ${statusColor[doc.status] || 'bg-gray-100 text-text-tertiary'}`}>
{statusLabel[doc.status] || doc.status}
</span>
{(doc.status === 'pending' || doc.status === 'processing') && (
<div className="flex-1 max-w-xs">
<div className="flex items-center justify-between text-[11px] text-text-tertiary mb-1">
<span>{t('document.progress')}</span>
<span className="font-mono">{doc.progress || 0}%</span>
</div>
<div className="w-full h-1.5 bg-surface-secondary rounded-full overflow-hidden">
<div
className="h-full bg-gradient-brand transition-all duration-500 ease-out"
style={{ width: `${doc.progress || 0}%` }}
/>
</div>
</div>
)}
{doc.status === 'failed' && doc.errorMessage && (
<span className="text-[12px] text-red flex-1 truncate" title={doc.errorMessage}>
{doc.errorMessage}
</span>
)}
</div>
</div>
</div>
</div>
))}
</div>
)}
</div>
<Pagination page={page} totalPages={totalPages} onPageChange={setPage} />
<div className="flex items-center justify-between px-6 py-3 border-t border-border bg-surface-secondary">
<div className="flex items-center gap-4 text-[12px] text-text-tertiary">
<span>{documents.length} / {total} {t('document.summary.count')}</span>
{documents.length > 0 && (
<>
<span className="text-text-placeholder">|</span>
<span>
{t('document.summary.total')}: {formatFileSize(documents.reduce((sum, doc) => sum + (doc.fileSize || 0), 0))}
</span>
</>
)}
</div>
<button
onClick={loadDocuments}
disabled={loading}
className="inline-flex items-center gap-1.5 px-3 py-1.5 text-[13px] text-text-tertiary hover:text-accent transition-colors disabled:opacity-50"
>
<RefreshCw className={`w-3.5 h-3.5 ${loading ? 'animate-spin' : ''}`} />
{t('common.refresh')}
</button>
</div>
</div>
</div>
);
}
export { DocumentPage };
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