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import { Cpu, Loader2, Search } from 'lucide-react';
import { cn } from '@/lib/utils';
import { Popover, PopoverButton, PopoverPanel } from '@headlessui/react';
import { useEffect, useMemo, useState } from 'react';
import { MinimalProvider } from '@/lib/models/types';
import { useChat } from '@/lib/hooks/useChat';
import { AnimatePresence, motion } from 'motion/react';
const ModelSelector = () => {
const [providers, setProviders] = useState<MinimalProvider[]>([]);
const [isLoading, setIsLoading] = useState(true);
const [searchQuery, setSearchQuery] = useState('');
const { setChatModelProvider, chatModelProvider } = useChat();
useEffect(() => {
const loadProviders = async () => {
try {
setIsLoading(true);
const res = await fetch('/api/providers');
if (!res.ok) {
throw new Error('Failed to fetch providers');
}
const data: { providers: MinimalProvider[] } = await res.json();
setProviders(data.providers);
} catch (error) {
console.error('Error loading providers:', error);
} finally {
setIsLoading(false);
}
};
loadProviders();
}, []);
const orderedProviders = useMemo(() => {
if (!chatModelProvider?.providerId) return providers;
const currentProviderIndex = providers.findIndex(
(p) => p.id === chatModelProvider.providerId,
);
if (currentProviderIndex === -1) {
return providers;
}
const selectedProvider = providers[currentProviderIndex];
const remainingProviders = providers.filter(
(_, index) => index !== currentProviderIndex,
);
return [selectedProvider, ...remainingProviders];
}, [providers, chatModelProvider]);
const handleModelSelect = (providerId: string, modelKey: string) => {
setChatModelProvider({ providerId, key: modelKey });
localStorage.setItem('chatModelProviderId', providerId);
localStorage.setItem('chatModelKey', modelKey);
};
const filteredProviders = orderedProviders
.map((provider) => ({
...provider,
chatModels: provider.chatModels.filter(
(model) =>
model.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
provider.name.toLowerCase().includes(searchQuery.toLowerCase()),
),
}))
.filter((provider) => provider.chatModels.length > 0);
return (
<Popover className="relative w-full max-w-[15rem] md:max-w-md lg:max-w-lg">
{({ open }) => (
<>
<PopoverButton
type="button"
className="active:border-none hover:bg-light-200 hover:dark:bg-dark-200 p-2 rounded-lg focus:outline-none headless-open:text-black dark:headless-open:text-white text-black/50 dark:text-white/50 active:scale-95 transition duration-200 hover:text-black dark:hover:text-white"
>
<Cpu size={16} className="text-sky-500" />
</PopoverButton>
<AnimatePresence>
{open && (
<PopoverPanel
className="absolute z-10 w-[230px] sm:w-[270px] md:w-[300px] right-0"
static
>
<motion.div
initial={{ opacity: 0, scale: 0.9 }}
animate={{ opacity: 1, scale: 1 }}
exit={{ opacity: 0, scale: 0.9 }}
transition={{ duration: 0.1, ease: 'easeOut' }}
className="origin-top-right bg-light-primary dark:bg-dark-primary max-h-[300px] sm:max-w-none border rounded-lg border-light-200 dark:border-dark-200 w-full flex flex-col shadow-lg overflow-hidden"
>
<div className="p-2 border-b border-light-200 dark:border-dark-200">
<div className="relative">
<Search
size={16}
className="absolute left-3 top-1/2 -translate-y-1/2 text-black/40 dark:text-white/40"
/>
<input
type="text"
placeholder="Search models..."
value={searchQuery}
onChange={(e) => setSearchQuery(e.target.value)}
className="w-full pl-8 pr-3 py-2 bg-light-secondary dark:bg-dark-secondary rounded-lg placeholder:text-xs placeholder:-translate-y-[1.5px] text-xs text-black dark:text-white placeholder:text-black/40 dark:placeholder:text-white/40 focus:outline-none border border-transparent transition duration-200"
/>
</div>
</div>
<div className="max-h-[320px] overflow-y-auto">
{isLoading ? (
<div className="flex items-center justify-center py-16">
<Loader2
className="animate-spin text-black/40 dark:text-white/40"
size={24}
/>
</div>
) : filteredProviders.length === 0 ? (
<div className="text-center py-16 px-4 text-black/60 dark:text-white/60 text-sm">
{searchQuery
? 'No models found'
: 'No chat models configured'}
</div>
) : (
<div className="flex flex-col">
{filteredProviders.map((provider, providerIndex) => (
<div key={provider.id}>
<div className="px-4 py-2.5 sticky top-0 bg-light-primary dark:bg-dark-primary border-b border-light-200/50 dark:border-dark-200/50">
<p className="text-xs text-black/50 dark:text-white/50 uppercase tracking-wider">
{provider.name}
</p>
</div>
<div className="flex flex-col px-2 py-2 space-y-0.5">
{provider.chatModels.map((model) => (
<button
key={model.key}
onClick={() =>
handleModelSelect(provider.id, model.key)
}
type="button"
className={cn(
'px-3 py-2 flex items-center justify-between text-start duration-200 cursor-pointer transition rounded-lg group',
chatModelProvider?.providerId ===
provider.id &&
chatModelProvider?.key === model.key
? 'bg-light-secondary dark:bg-dark-secondary'
: 'hover:bg-light-secondary dark:hover:bg-dark-secondary',
)}
>
<div className="flex items-center space-x-2.5 min-w-0 flex-1">
<Cpu
size={15}
className={cn(
'shrink-0',
chatModelProvider?.providerId ===
provider.id &&
chatModelProvider?.key === model.key
? 'text-sky-500'
: 'text-black/50 dark:text-white/50 group-hover:text-black/70 group-hover:dark:text-white/70',
)}
/>
<p
className={cn(
'text-xs truncate',
chatModelProvider?.providerId ===
provider.id &&
chatModelProvider?.key === model.key
? 'text-sky-500 font-medium'
: 'text-black/70 dark:text-white/70 group-hover:text-black dark:group-hover:text-white',
)}
>
{model.name}
</p>
</div>
</button>
))}
</div>
{providerIndex < filteredProviders.length - 1 && (
<div className="h-px bg-light-200 dark:bg-dark-200" />
)}
</div>
))}
</div>
)}
</div>
</motion.div>
</PopoverPanel>
)}
</AnimatePresence>
</>
)}
</Popover>
);
};
export default ModelSelector;
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