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import { appStore } from "@/app/store";
import { useChatModels } from "@/hooks/queries/use-chat-models";
import { ChatModel } from "app-types/chat";
import { cn } from "lib/utils";
import { CheckIcon, ChevronDown } from "lucide-react";
import { Fragment, memo, PropsWithChildren, useEffect, useState } from "react";
import { Button } from "ui/button";
import {
Command,
CommandEmpty,
CommandGroup,
CommandInput,
CommandItem,
CommandList,
CommandSeparator,
} from "ui/command";
import { ModelProviderIcon } from "ui/model-provider-icon";
import { Popover, PopoverContent, PopoverTrigger } from "ui/popover";
interface SelectModelProps {
onSelect: (model: ChatModel) => void;
align?: "start" | "end";
currentModel?: ChatModel;
showProvider?: boolean;
}
export const SelectModel = (props: PropsWithChildren<SelectModelProps>) => {
const [open, setOpen] = useState(false);
const { data: providers } = useChatModels();
const [model, setModel] = useState(props.currentModel);
useEffect(() => {
const modelToUse = props.currentModel ?? appStore.getState().chatModel;
if (modelToUse) {
setModel(modelToUse);
}
}, [props.currentModel]);
return (
<Popover open={open} onOpenChange={setOpen}>
<PopoverTrigger asChild>
{props.children || (
<Button
variant={"secondary"}
size={"sm"}
className="data-[state=open]:bg-input! hover:bg-input! "
data-testid="model-selector-button"
>
<div className="mr-auto flex items-center gap-1">
{(props.showProvider ?? true) && (
<ModelProviderIcon
provider={model?.provider || ""}
className="size-2.5 mr-1"
/>
)}
<p data-testid="selected-model-name">{model?.model || "model"}</p>
</div>
<ChevronDown className="size-3" />
</Button>
)}
</PopoverTrigger>
<PopoverContent
className="p-0 w-[280px]"
align={props.align || "end"}
data-testid="model-selector-popover"
>
<Command
className="rounded-lg relative shadow-md h-80"
value={JSON.stringify(model)}
onClick={(e) => e.stopPropagation()}
>
<CommandInput
placeholder="search model..."
data-testid="model-search-input"
/>
<CommandList className="p-2">
<CommandEmpty>No results found.</CommandEmpty>
{providers?.map((provider, i) => (
<Fragment key={provider.provider}>
<CommandGroup
heading={
<ProviderHeader
provider={provider.provider}
hasAPIKey={provider.hasAPIKey}
/>
}
className={cn(
"pb-4 group",
!provider.hasAPIKey && "opacity-50",
)}
onWheel={(e) => {
e.stopPropagation();
}}
data-testid={`model-provider-${provider.provider}`}
>
{provider.models.map((item) => (
<CommandItem
key={item.name}
disabled={!provider.hasAPIKey}
className="cursor-pointer"
onSelect={() => {
setModel({
provider: provider.provider,
model: item.name,
});
props.onSelect({
provider: provider.provider,
model: item.name,
});
setOpen(false);
}}
value={item.name}
data-testid={`model-option-${provider.provider}-${item.name}`}
>
{model?.provider === provider.provider &&
model?.model === item.name ? (
<CheckIcon
className="size-3"
data-testid="selected-model-check"
/>
) : (
<div className="ml-3" />
)}
<span className="pr-2">{item.name}</span>
{item.isToolCallUnsupported && (
<div className="ml-auto flex items-center gap-1 text-xs text-muted-foreground">
No tools
</div>
)}
</CommandItem>
))}
</CommandGroup>
{i < providers?.length - 1 && <CommandSeparator />}
</Fragment>
))}
</CommandList>
</Command>
</PopoverContent>
</Popover>
);
};
const ProviderHeader = memo(function ProviderHeader({
provider,
hasAPIKey,
}: { provider: string; hasAPIKey: boolean }) {
return (
<div className="text-sm text-muted-foreground flex items-center gap-1.5 group-hover:text-foreground transition-colors duration-300">
{provider === "openai" ? (
<ModelProviderIcon
provider="openai"
className="size-3 text-foreground"
/>
) : (
<ModelProviderIcon provider={provider} className="size-3" />
)}
{provider}
{!hasAPIKey && (
<>
<span className="text-xs ml-auto text-muted-foreground">
No API Key
</span>
</>
)}
</div>
);
});
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