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import { Handle, Position, useReactFlow, type NodeProps } from "@xyflow/react";
import { NodeKind, UINode } from "lib/ai/workflow/workflow.interface";
import { cn } from "lib/utils";
import { Loader2Icon, PlusIcon, TriangleAlertIcon } from "lucide-react";
import { memo, useCallback, useEffect, useState } from "react";
import { NodeSelect } from "./node-select";
import { NodeIcon } from "./node-icon";
import { useUpdate } from "@/hooks/use-update";
import {
ContextMenu,
ContextMenuContent,
ContextMenuTrigger,
} from "ui/context-menu";
import { OutputSchemaStack } from "./node-config/input-node-config";
import { OutputNodeDataOutputStack } from "./node-config/output-node-config";
import { LLMNodeDataStack } from "./node-config/llm-node-config";
import { NodeContextMenuContent } from "./node-context-menu-content";
import { ConditionNodeDataOutputStack } from "./node-config/condition-node-config";
import { createAppendNode } from "./create-append-node";
import { ToolNodeStack } from "./node-config/tool-node-config";
import { Markdown } from "../markdown";
import { HttpNodeDataStack } from "./node-config/http-node-config";
type Props = NodeProps<UINode>;
export const DefaultNode = memo(function DefaultNode({
data,
isConnectable,
selected,
id,
}: Props) {
const [openNodeSelect, setOpenNodeSelect] = useState(false);
const {
fitView,
getEdges,
addNodes,
getNode,
getNodes,
addEdges,
updateNode,
} = useReactFlow();
const update = useUpdate();
const appendNode = useCallback(
(kind: NodeKind) => {
setOpenNodeSelect(false);
const edges = getEdges();
const nodes = getNodes() as UINode[];
const { node: newNode, edge: newEdge } = createAppendNode({
sourceNode: getNode(data.id)! as UINode,
kind,
allNodes: nodes,
allEdges: edges,
});
addNodes([newNode]);
if (newEdge) {
addEdges([newEdge]);
}
update(() => {
updateNode(id, {
selected: false,
});
});
},
[id, addNodes],
);
useEffect(() => {
if (data.runtime?.isNew) {
updateNode(id, {
selected: true,
});
const node = getNode(id)!;
if (node) {
fitView({
nodes: [node],
duration: 500,
maxZoom: 1.2,
});
}
}
}, [id]);
return (
<ContextMenu>
<ContextMenuTrigger>
<div
className={cn(
"fade-300 group py-4 w-72 relative bg-secondary border-2 hover:bg-input rounded-lg flex flex-col cursor-grab transition-colors",
data.kind === NodeKind.Note &&
"bg-card/40 text-primary rounded-none w-md min-h-40 border-input",
data.kind === NodeKind.Condition && "w-52",
data.kind !== NodeKind.Note &&
selected &&
"border-blue-500 bg-secondary!",
data.runtime?.status === "fail" && "border-destructive",
["success", "running"].includes(data.runtime?.status ?? "") &&
"border-green-400",
)}
>
<div className="flex items-center gap-2 relative px-4">
{![NodeKind.Note, NodeKind.Input].includes(data.kind) && (
<Handle
id="left"
type="target"
className={cn(
"h-4! border-none! bg-blue-500! w-[1px]! -left-[4px]! rounded-l-xs! rounded-r-none!",
data.runtime?.status === "fail" && "bg-destructive!",
["success", "running"].includes(data.runtime?.status ?? "") &&
"bg-green-400!",
)}
position={Position.Left}
isConnectable={isConnectable}
/>
)}
<NodeIcon type={data.kind} />
<div className="font-bold truncate">{data.name}</div>
{![NodeKind.Note, NodeKind.Output, NodeKind.Condition].includes(
data.kind,
) && (
<Handle
type="source"
onConnect={() => update()}
position={Position.Right}
className={cn(
"z-10 border-none! -right-0! bg-transparent! w-4! h-4!",
)}
id="right"
isConnectable={isConnectable}
onMouseUp={() => {
setOpenNodeSelect(true);
}}
>
<div className={cn("pointer-events-none relative")}>
<div
className={cn(
"flex w-full h-full z-20 pl-2.5",
"group-hover:hidden",
selected && "hidden",
)}
>
<div
className={cn(
"h-4 w-1.5 bg-blue-500 rounded-r-xs",
data.runtime?.status === "fail" && "bg-destructive",
["success", "running"].includes(
data.runtime?.status ?? "",
) && "bg-green-400",
)}
></div>
</div>
<NodeSelect
onChange={appendNode}
open={openNodeSelect}
onOpenChange={(open) => {
setOpenNodeSelect(open);
}}
>
<div
className={cn(
"items-center justify-center bg-blue-500 rounded-full w-5 h-5 hidden translate-x -translate-y-0.5",
"group-hover:flex",
selected && "flex",
)}
>
<PlusIcon className={"size-4 text-white stroke-4"} />
</div>
</NodeSelect>
</div>
</Handle>
)}
{data.runtime?.status === "fail" ? (
<div className="ml-auto">
<TriangleAlertIcon className="size-3 text-destructive" />
</div>
) : data.runtime?.status === "running" ? (
<div className="ml-auto">
<Loader2Icon className="size-3 animate-spin" />
</div>
) : null}
</div>
<div>
{data.kind === NodeKind.Input && <OutputSchemaStack data={data} />}
{data.kind === NodeKind.Output && (
<OutputNodeDataOutputStack data={data} />
)}
{data.kind === NodeKind.LLM && <LLMNodeDataStack data={data} />}
{data.kind === NodeKind.Condition && (
<ConditionNodeDataOutputStack data={data} />
)}
{data.kind === NodeKind.Tool && <ToolNodeStack data={data} />}
{data.kind === NodeKind.Http && <HttpNodeDataStack data={data} />}
{data.description && (
<div className="px-4 mt-2">
<div className="text-xs text-muted-foreground">
{data.kind === NodeKind.Note ? (
<Markdown>{data.description}</Markdown>
) : (
<p
className={cn(
"break-all whitespace-pre-wrap text-sm text-foreground mt-4",
)}
>
{data.description}
</p>
)}
</div>
</div>
)}
</div>
</div>
</ContextMenuTrigger>
<ContextMenuContent className="p-2">
<NodeContextMenuContent node={data} />
</ContextMenuContent>
</ContextMenu>
);
});
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