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'use client'
import { useEffect, useMemo, useState } from 'react'
import {
Select,
SelectContent,
SelectItem,
SelectTrigger,
SelectValue,
} from '@/components/ui/select'
import { Button } from '@/components/ui/button'
import { Label } from '@/components/ui/label'
import {
Dialog,
DialogContent,
DialogDescription,
DialogFooter,
DialogHeader,
DialogTitle,
DialogTrigger,
} from '@/components/ui/dialog'
import { Settings2, Sparkles } from 'lucide-react'
import { useModelDefaults, useModels } from '@/lib/hooks/use-models'
import { LoadingSpinner } from '@/components/common/LoadingSpinner'
interface ModelSelectorProps {
currentModel?: string
onModelChange: (model?: string) => void
disabled?: boolean
}
export function ModelSelector({
currentModel,
onModelChange,
disabled = false
}: ModelSelectorProps) {
const [open, setOpen] = useState(false)
const [selectedModel, setSelectedModel] = useState(currentModel || 'default')
const { data: models, isLoading } = useModels()
const { data: defaults } = useModelDefaults()
useEffect(() => {
setSelectedModel(currentModel || 'default')
}, [currentModel])
// Filter for language models only and sort by name
const languageModels = useMemo(() => {
if (!models) {
return []
}
return [...models]
.filter((model) => model.type === 'language')
.sort((a, b) => a.name.localeCompare(b.name))
}, [models])
const defaultModel = useMemo(() => {
if (!defaults?.default_chat_model) return undefined
return languageModels.find(model => model.id === defaults.default_chat_model)
}, [defaults?.default_chat_model, languageModels])
const currentModelName = useMemo(() => {
if (currentModel) {
return languageModels.find(model => model.id === currentModel)?.name || currentModel
}
if (defaultModel) {
return defaultModel.name
}
return 'Default Model'
}, [currentModel, languageModels, defaultModel])
const handleSave = () => {
onModelChange(selectedModel === 'default' ? undefined : selectedModel)
setOpen(false)
}
const handleReset = () => {
setSelectedModel('default')
onModelChange(undefined)
setOpen(false)
}
return (
<Dialog open={open} onOpenChange={setOpen}>
<DialogTrigger asChild>
<Button
variant="outline"
size="sm"
disabled={disabled}
className="gap-2"
>
<Settings2 className="h-4 w-4" />
<span className="text-xs">
{currentModelName}
</span>
</Button>
</DialogTrigger>
<DialogContent className="sm:max-w-[425px]">
<DialogHeader>
<DialogTitle className="flex items-center gap-2">
<Sparkles className="h-5 w-5" />
Model Configuration
</DialogTitle>
<DialogDescription>
Override the default model for this chat session. Leave empty to use the system default.
</DialogDescription>
</DialogHeader>
<div className="grid gap-4 py-4">
<div className="grid gap-2">
<Label htmlFor="model">Model</Label>
<Select value={selectedModel} onValueChange={setSelectedModel}>
<SelectTrigger id="model">
<SelectValue placeholder="Select a model (or use default)" />
</SelectTrigger>
<SelectContent>
<SelectItem value="default">
<div className="flex items-center justify-between w-full">
<span>
{defaultModel ? `Default (${defaultModel.name})` : 'System Default'}
</span>
{defaultModel?.provider && (
<span className="text-xs text-muted-foreground ml-2">
{defaultModel.provider}
</span>
)}
</div>
</SelectItem>
{isLoading ? (
<div className="flex items-center justify-center py-2">
<LoadingSpinner size="sm" />
</div>
) : (
languageModels.map((model) => (
<SelectItem key={model.id} value={model.id}>
<div className="flex items-center justify-between w-full">
<span>{model.name}</span>
<span className="text-xs text-muted-foreground ml-2">
{model.provider}
</span>
</div>
</SelectItem>
))
)}
</SelectContent>
</Select>
</div>
{selectedModel && selectedModel !== 'default' && (
<div className="rounded-lg bg-muted p-3">
<p className="text-sm text-muted-foreground">
This session will use <strong>{languageModels.find(m => m.id === selectedModel)?.name}</strong> instead of the default model.
</p>
</div>
)}
</div>
<DialogFooter className="flex justify-between">
<Button variant="outline" onClick={handleReset}>
Reset to Default
</Button>
<Button onClick={handleSave}>
Save Changes
</Button>
</DialogFooter>
</DialogContent>
</Dialog>
)
}
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