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'use client'
import { useState, useMemo } from 'react'
import { Button } from '@/components/ui/button'
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
import { Input } from '@/components/ui/input'
import { ScrollArea } from '@/components/ui/scroll-area'
import { Badge } from '@/components/ui/badge'
import {
MessageSquare,
Plus,
Trash2,
Edit2,
Check,
X,
Clock
} from 'lucide-react'
import { formatDistanceToNow } from 'date-fns'
import {
AlertDialog,
AlertDialogAction,
AlertDialogCancel,
AlertDialogContent,
AlertDialogDescription,
AlertDialogFooter,
AlertDialogHeader,
AlertDialogTitle,
} from '@/components/ui/alert-dialog'
import { BaseChatSession } from '@/lib/types/api'
import { useModels } from '@/lib/hooks/use-models'
interface SessionManagerProps {
sessions: BaseChatSession[]
currentSessionId: string | null
onCreateSession: (title: string) => void
onSelectSession: (sessionId: string) => void
onUpdateSession: (sessionId: string, title: string) => void
onDeleteSession: (sessionId: string) => void
loadingSessions: boolean
}
export function SessionManager({
sessions,
currentSessionId,
onCreateSession,
onSelectSession,
onUpdateSession,
onDeleteSession,
loadingSessions
}: SessionManagerProps) {
const [isCreating, setIsCreating] = useState(false)
const [newSessionTitle, setNewSessionTitle] = useState('')
const [editingId, setEditingId] = useState<string | null>(null)
const [editTitle, setEditTitle] = useState('')
const [deleteConfirmId, setDeleteConfirmId] = useState<string | null>(null)
const { data: models } = useModels()
// Helper to get model name from ID
const getModelName = useMemo(() => {
return (modelId: string) => {
const model = models?.find(m => m.id === modelId)
return model?.name || 'Custom Model'
}
}, [models])
const handleCreateSession = () => {
if (newSessionTitle.trim()) {
onCreateSession(newSessionTitle.trim())
setNewSessionTitle('')
setIsCreating(false)
}
}
const handleStartEdit = (session: BaseChatSession) => {
setEditingId(session.id)
setEditTitle(session.title)
}
const handleSaveEdit = () => {
if (editingId && editTitle.trim()) {
onUpdateSession(editingId, editTitle.trim())
setEditingId(null)
setEditTitle('')
}
}
const handleCancelEdit = () => {
setEditingId(null)
setEditTitle('')
}
const handleDeleteConfirm = () => {
if (deleteConfirmId) {
onDeleteSession(deleteConfirmId)
setDeleteConfirmId(null)
}
}
return (
<>
<Card className="h-full flex flex-col">
<CardHeader className="pb-3">
<CardTitle className="flex items-center justify-between">
<span className="flex items-center gap-2">
<MessageSquare className="h-5 w-5" />
Chat Sessions
</span>
<Button
size="sm"
variant="outline"
onClick={() => setIsCreating(true)}
>
<Plus className="h-4 w-4" />
</Button>
</CardTitle>
</CardHeader>
<CardContent className="flex-1 p-0 min-h-0">
<ScrollArea className="h-full px-4">
{isCreating && (
<div className="p-3 border rounded-lg mb-3">
<Input
value={newSessionTitle}
onChange={(e) => setNewSessionTitle(e.target.value)}
placeholder="Session title..."
className="mb-2"
autoFocus
onKeyPress={(e) => {
if (e.key === 'Enter') handleCreateSession()
}}
/>
<div className="flex gap-2">
<Button size="sm" onClick={handleCreateSession}>
Create
</Button>
<Button
size="sm"
variant="outline"
onClick={() => {
setIsCreating(false)
setNewSessionTitle('')
}}
>
Cancel
</Button>
</div>
</div>
)}
{loadingSessions ? (
<div className="text-center py-8 text-muted-foreground">
Loading sessions...
</div>
) : sessions.length === 0 ? (
<div className="text-center py-8 text-muted-foreground">
<MessageSquare className="h-12 w-12 mx-auto mb-4 opacity-50" />
<p className="text-sm">No chat sessions yet</p>
<p className="text-xs mt-2">Create a session to start chatting</p>
</div>
) : (
<div className="space-y-2 pb-4">
{sessions.map((session) => (
<div
key={session.id}
className={`p-3 rounded-lg border cursor-pointer transition-colors ${
currentSessionId === session.id
? 'bg-primary/10 border-primary'
: 'hover:bg-muted'
}`}
onClick={() => onSelectSession(session.id)}
>
{editingId === session.id ? (
<div className="space-y-2" onClick={(e) => e.stopPropagation()}>
<Input
value={editTitle}
onChange={(e) => setEditTitle(e.target.value)}
onKeyPress={(e) => {
if (e.key === 'Enter') handleSaveEdit()
if (e.key === 'Escape') handleCancelEdit()
}}
autoFocus
/>
<div className="flex gap-2">
<Button size="sm" onClick={handleSaveEdit}>
<Check className="h-3 w-3" />
</Button>
<Button
size="sm"
variant="outline"
onClick={handleCancelEdit}
>
<X className="h-3 w-3" />
</Button>
</div>
</div>
) : (
<>
<div className="flex items-start justify-between mb-1">
<h4 className="font-medium text-sm">
{session.title}
</h4>
<div className="flex gap-1" onClick={(e) => e.stopPropagation()}>
<Button
size="sm"
variant="ghost"
className="h-6 w-6 p-0"
onClick={() => handleStartEdit(session)}
>
<Edit2 className="h-3 w-3" />
</Button>
<Button
size="sm"
variant="ghost"
className="h-6 w-6 p-0"
onClick={() => setDeleteConfirmId(session.id)}
>
<Trash2 className="h-3 w-3" />
</Button>
</div>
</div>
<div className="flex items-center gap-2 text-xs text-muted-foreground">
<Clock className="h-3 w-3" />
{formatDistanceToNow(new Date(session.created), { addSuffix: true })}
</div>
{session.message_count != null && session.message_count > 0 && (
<Badge variant="secondary" className="mt-2 text-xs">
{session.message_count} messages
</Badge>
)}
{session.model_override && (
<Badge variant="outline" className="mt-2 ml-2 text-xs">
{getModelName(session.model_override)}
</Badge>
)}
</>
)}
</div>
))}
</div>
)}
</ScrollArea>
</CardContent>
</Card>
<AlertDialog open={!!deleteConfirmId} onOpenChange={() => setDeleteConfirmId(null)}>
<AlertDialogContent>
<AlertDialogHeader>
<AlertDialogTitle>Delete Chat Session?</AlertDialogTitle>
<AlertDialogDescription>
This action cannot be undone. All messages in this session will be permanently deleted.
</AlertDialogDescription>
</AlertDialogHeader>
<AlertDialogFooter>
<AlertDialogCancel>Cancel</AlertDialogCancel>
<AlertDialogAction onClick={handleDeleteConfirm}>
Delete
</AlertDialogAction>
</AlertDialogFooter>
</AlertDialogContent>
</AlertDialog>
</>
)
} |