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import { useState, useMemo } from "react";
import {
ReactFlow,
Edge,
Controls,
Background,
BackgroundVariant,
MarkerType,
} from "@xyflow/react";
import "@xyflow/react/dist/style.css";
import type { DirectiveWithProgress, DirectiveGraphResponse } from "../../lib/api";
import { StepNodeComponent, stepStatusStyles } from "./StepNode";
// Node types for React Flow
const nodeTypes = {
step: StepNodeComponent,
};
export function ChainTab({ directive, graph }: { directive: DirectiveWithProgress; graph: DirectiveGraphResponse | null }) {
const [viewMode, setViewMode] = useState<"dag" | "list">("dag");
// Convert graph to React Flow nodes and edges
const { nodes, edges } = useMemo(() => {
if (!graph || !graph.nodes.length) {
// Fallback: generate positions from directive.steps
const stepNodes = directive.steps.map((step, index) => ({
id: step.id,
type: "step" as const,
position: {
x: (index % 3) * 220 + 50,
y: Math.floor(index / 3) * 120 + 50,
},
data: {
id: step.id,
name: step.name,
stepType: step.stepType,
status: step.status,
confidenceScore: step.confidenceScore,
confidenceLevel: step.confidenceLevel,
contractId: step.contractId,
editorX: null,
editorY: null,
},
}));
// Build edges from dependencies
const stepEdges: Edge[] = [];
directive.steps.forEach((step) => {
(step.dependsOn ?? []).forEach((depName) => {
const depStep = directive.steps.find((s) => s.name === depName);
if (depStep) {
stepEdges.push({
id: `${depStep.id}-${step.id}`,
source: depStep.id,
target: step.id,
type: "smoothstep",
markerEnd: { type: MarkerType.ArrowClosed, color: "#556677" },
style: { stroke: "#556677", strokeWidth: 2 },
});
}
});
});
return { nodes: stepNodes, edges: stepEdges };
}
// Use graph data
const graphNodes = graph.nodes.map((node) => ({
id: node.id,
type: "step" as const,
position: {
x: node.editorX ?? 50,
y: node.editorY ?? 50,
},
data: { ...node },
}));
const graphEdges: Edge[] = graph.edges.map((edge) => ({
id: `${edge.source}-${edge.target}`,
source: edge.source,
target: edge.target,
type: "smoothstep",
markerEnd: { type: MarkerType.ArrowClosed, color: "#556677" },
style: { stroke: "#556677", strokeWidth: 2 },
}));
return { nodes: graphNodes, edges: graphEdges };
}, [graph, directive.steps]);
if (!directive.chain) {
return (
<div className="text-center py-8">
<p className="font-mono text-sm text-[#556677]">
No chain generated yet. Start the directive to generate a chain.
</p>
</div>
);
}
return (
<div className="space-y-4">
{/* Chain info header */}
<div className="flex items-center justify-between p-3 bg-[rgba(117,170,252,0.05)] border border-[rgba(117,170,252,0.15)]">
<div>
<div className="font-mono text-sm text-[#dbe7ff]">{directive.chain.name}</div>
<div className="font-mono text-[10px] text-[#556677]">Generation {directive.chain.generation}</div>
</div>
<div className="flex items-center gap-4">
<div className="font-mono text-xs text-[#556677]">
{directive.chain.completedSteps}/{directive.chain.totalSteps} steps
</div>
{/* View toggle */}
<div className="flex border border-[rgba(117,170,252,0.2)]">
<button
onClick={() => setViewMode("dag")}
className={`px-2 py-1 font-mono text-[10px] uppercase ${
viewMode === "dag"
? "bg-[rgba(117,170,252,0.2)] text-[#75aafc]"
: "text-[#556677] hover:text-[#75aafc]"
}`}
>
DAG
</button>
<button
onClick={() => setViewMode("list")}
className={`px-2 py-1 font-mono text-[10px] uppercase ${
viewMode === "list"
? "bg-[rgba(117,170,252,0.2)] text-[#75aafc]"
: "text-[#556677] hover:text-[#75aafc]"
}`}
>
List
</button>
</div>
</div>
</div>
{viewMode === "dag" ? (
/* DAG visualization */
<div className="h-[400px] border border-[rgba(117,170,252,0.1)] rounded bg-[#050d18]">
{directive.steps.length === 0 ? (
<div className="flex items-center justify-center h-full">
<p className="font-mono text-sm text-[#556677]">No steps in chain</p>
</div>
) : (
<ReactFlow
nodes={nodes}
edges={edges}
nodeTypes={nodeTypes}
fitView
fitViewOptions={{ padding: 0.2 }}
minZoom={0.5}
maxZoom={1.5}
defaultEdgeOptions={{
type: "smoothstep",
style: { stroke: "#556677", strokeWidth: 2 },
}}
>
<Background variant={BackgroundVariant.Dots} gap={20} size={1} color="#1a2a3a" />
<Controls className="!bg-[#0a1628] !border-[rgba(117,170,252,0.2)]" />
</ReactFlow>
)}
</div>
) : (
/* List view */
<div className="space-y-2">
<h3 className="font-mono text-xs text-[#75aafc] uppercase">Steps</h3>
{directive.steps.length === 0 ? (
<p className="font-mono text-sm text-[#556677]">No steps in chain</p>
) : (
directive.steps.map((step) => {
const styles = stepStatusStyles[step.status] || stepStatusStyles.pending;
return (
<div
key={step.id}
className="p-3 bg-[rgba(117,170,252,0.02)] border border-[rgba(117,170,252,0.1)]"
>
<div className="flex items-center justify-between">
<div className="flex items-center gap-2">
<span className="font-mono text-sm text-[#dbe7ff]">{step.name}</span>
<span
className="px-1.5 py-0.5 font-mono text-[10px] uppercase border"
style={{ color: styles.text, borderColor: `${styles.border}50` }}
>
{step.status}
</span>
{step.confidenceScore !== null && (
<span className="font-mono text-[10px] text-[#556677]">
({Math.round(step.confidenceScore * 100)}%)
</span>
)}
</div>
<div className="font-mono text-[10px] text-[#556677]">{step.stepType}</div>
</div>
{step.description && (
<p className="font-mono text-xs text-[#556677] mt-1">{step.description}</p>
)}
{step.dependsOn?.length > 0 && (
<div className="font-mono text-[10px] text-[#556677] mt-1">
Depends on: {step.dependsOn.join(", ")}
</div>
)}
</div>
);
})
)}
</div>
)}
</div>
);
}
|
