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import clsx from 'clsx';
import dayjs from 'dayjs';
import React, { useEffect, useState, useCallback } from 'react';
import { LuMessageSquare, LuTrash2, LuPencil, LuCheck, LuX, LuPlus } from 'react-icons/lu';
import { useTranslation } from '@/hooks/useTranslation';
import { useBookDataStore } from '@/store/bookDataStore';
import { useAIChatStore } from '@/store/aiChatStore';
import { useNotebookStore } from '@/store/notebookStore';
import type { AIConversation } from '@/services/ai/types';
import { useEnv } from '@/context/EnvContext';
interface ChatHistoryViewProps {
bookKey: string;
}
const ChatHistoryView: React.FC<ChatHistoryViewProps> = ({ bookKey }) => {
const _ = useTranslation();
const { appService } = useEnv();
const { getBookData } = useBookDataStore();
const {
conversations,
isLoadingHistory,
loadConversations,
setActiveConversation,
deleteConversation,
renameConversation,
createConversation,
} = useAIChatStore();
const { setNotebookVisible, setNotebookActiveTab } = useNotebookStore();
const [editingId, setEditingId] = useState<string | null>(null);
const [editTitle, setEditTitle] = useState('');
const bookData = getBookData(bookKey);
const bookHash = bookKey.split('-')[0] || '';
const bookTitle = bookData?.book?.title || 'Unknown';
// Load conversations for this book
useEffect(() => {
if (bookHash) {
loadConversations(bookHash);
}
}, [bookHash, loadConversations]);
const handleSelectConversation = useCallback(
async (conversation: AIConversation) => {
await setActiveConversation(conversation.id);
setNotebookVisible(true);
setNotebookActiveTab('ai');
},
[setActiveConversation, setNotebookVisible, setNotebookActiveTab],
);
const handleNewConversation = useCallback(async () => {
await createConversation(bookHash, `Chat about ${bookTitle}`);
setNotebookVisible(true);
setNotebookActiveTab('ai');
}, [bookHash, bookTitle, createConversation, setNotebookVisible, setNotebookActiveTab]);
const handleDeleteConversation = useCallback(
async (e: React.MouseEvent, id: string) => {
e.stopPropagation();
if (!appService) return;
if (await appService.ask(_('Delete this conversation?'))) {
await deleteConversation(id);
}
},
[deleteConversation, _, appService],
);
const handleStartRename = useCallback((e: React.MouseEvent, conversation: AIConversation) => {
e.stopPropagation();
setEditingId(conversation.id);
setEditTitle(conversation.title);
}, []);
const handleSaveRename = useCallback(
async (e: React.MouseEvent | React.KeyboardEvent) => {
e.stopPropagation();
if (editingId && editTitle.trim()) {
await renameConversation(editingId, editTitle.trim());
}
setEditingId(null);
setEditTitle('');
},
[editingId, editTitle, renameConversation],
);
const handleCancelRename = useCallback((e: React.MouseEvent) => {
e.stopPropagation();
setEditingId(null);
setEditTitle('');
}, []);
const handleKeyDown = useCallback(
(e: React.KeyboardEvent) => {
if (e.key === 'Enter') {
handleSaveRename(e);
} else if (e.key === 'Escape') {
setEditingId(null);
setEditTitle('');
}
},
[handleSaveRename],
);
if (isLoadingHistory) {
return (
<div className='flex h-full items-center justify-center p-4'>
<div className='border-primary size-5 animate-spin rounded-full border-2 border-t-transparent' />
</div>
);
}
return (
<div className='relative flex h-full flex-col'>
{/* Conversation list */}
<div className='flex-1 overflow-y-auto'>
{conversations.length === 0 ? (
<div className='flex h-full flex-col items-center justify-center gap-3 p-4 text-center'>
<div className='bg-base-300/50 rounded-full p-3'>
<LuMessageSquare className='text-base-content/50 size-6' />
</div>
<div>
<p className='text-base-content/70 text-sm'>{_('No conversations yet')}</p>
<p className='text-base-content/50 text-xs'>
{_('Start a new chat to ask questions about this book')}
</p>
</div>
</div>
) : (
<ul className='divide-base-300/30 divide-y pb-16'>
{conversations.map((conversation) => (
<li
key={conversation.id}
className={clsx(
'group flex cursor-pointer items-start gap-2 px-3 py-2.5',
'hover:bg-base-300/50 transition-colors duration-150',
)}
>
<div
className='flex flex-1 items-start gap-2'
tabIndex={0}
role='button'
onClick={() => handleSelectConversation(conversation)}
onKeyDown={(e) => {
if (e.key === 'Enter' || e.key === ' ') {
e.preventDefault();
handleSelectConversation(conversation);
}
}}
>
<div className='min-w-0 flex-1'>
{editingId === conversation.id ? (
<div
className='flex items-center gap-1'
role='presentation'
onClick={(e) => e.stopPropagation()}
onKeyDown={(e) => e.stopPropagation()}
>
<input
type='text'
value={editTitle}
onChange={(e) => setEditTitle(e.target.value)}
onKeyDown={handleKeyDown}
className={clsx(
'input input-xs input-bordered w-full',
'bg-base-100 text-base-content',
)}
// eslint-disable-next-line jsx-a11y/no-autofocus
autoFocus
/>
<button
onClick={handleSaveRename}
className='btn btn-ghost btn-xs text-success'
aria-label={_('Save')}
>
<LuCheck size={14} />
</button>
<button
onClick={handleCancelRename}
className='btn btn-ghost btn-xs text-error'
aria-label={_('Cancel')}
>
<LuX size={14} />
</button>
</div>
) : (
<>
<p className='text-base-content line-clamp-1 text-sm font-medium'>
{conversation.title}
</p>
<p className='text-base-content/50 text-xs'>
{dayjs(conversation.updatedAt).format('MMM D, YYYY h:mm A')}
</p>
</>
)}
</div>
</div>
{editingId !== conversation.id && (
<div className='flex flex-shrink-0 gap-0.5 opacity-0 transition-opacity group-hover:opacity-100'>
<button
onClick={(e) => handleStartRename(e, conversation)}
className='btn btn-ghost btn-xs'
aria-label={_('Rename')}
>
<LuPencil size={12} />
</button>
<button
onClick={(e) => handleDeleteConversation(e, conversation.id)}
className='btn btn-ghost btn-xs text-error'
aria-label={_('Delete')}
>
<LuTrash2 size={12} />
</button>
</div>
)}
</li>
))}
</ul>
)}
</div>
{/* Floating New Chat button at bottom right */}
<div className='absolute bottom-4 right-4'>
<button
onClick={handleNewConversation}
className={clsx(
'flex items-center gap-2 rounded-full px-4 py-2',
'bg-base-300 text-base-content',
'hover:bg-base-content/10',
'border-base-content/10 border',
'shadow-sm',
'transition-all duration-200 ease-out',
'active:scale-[0.97]',
)}
aria-label={_('New Chat')}
>
<LuPlus size={16} />
<span className='text-sm font-medium'>{_('New Chat')}</span>
</button>
</div>
</div>
);
};
export default ChatHistoryView;
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