[CHAIN] feat(ui): add graph interactions and filtered view

ui/app/(prowler)/attack-paths/(workflow)/query-builder/_components/graph/attack-path-graph.tsx

@@ -9,11 +9,21 @@ import {
   ReactFlowProvider,
   useReactFlow,
 } from "@xyflow/react";
-import { type MouseEvent, type Ref, useImperativeHandle, useRef } from "react";
+import {
+  type MouseEvent,
+  type Ref,
+  useEffect,
+  useImperativeHandle,
+  useLayoutEffect,
+  useRef,
+  useState,
+} from "react";
 
 import { cn } from "@/lib/utils";
 import type { AttackPathGraphData, GraphNode } from "@/types/attack-paths";
 
+import { getPathEdges, GRAPH_EDGE_HIGHLIGHT_COLOR } from "../../_lib";
+import { computeFilteredSubgraph } from "../../_lib/graph-utils";
 import { isFindingNode, layoutWithDagre } from "../../_lib/layout";
 import { FindingNode } from "./nodes/finding-node";
 import { InternetNode } from "./nodes/internet-node";
@@ -32,7 +42,10 @@ export interface GraphHandle {
 interface AttackPathGraphProps {
   data: AttackPathGraphData;
   selectedNodeId?: string | null;
+  isFilteredView?: boolean;
+  initialNodeId?: string;
   onNodeClick?: (node: GraphNode) => void;
+  onInitialFilter?: (filteredData: AttackPathGraphData) => void;
   ref?: Ref<GraphHandle>;
   className?: string;
 }
@@ -45,7 +58,7 @@ const NODE_TYPES = {
   resource: ResourceNode,
 } as const;
 
-// --- CSS for animated dashed edges and selected node pulse ---
+// --- CSS for animated dashed edges, selected node pulse, and edge highlight ---
 
 const GRAPH_STYLES = `
   @keyframes dash {
@@ -62,8 +75,18 @@ const GRAPH_STYLES = `
   .selected-node {
     animation: selectedPulse 1.2s ease-in-out infinite;
   }
+  .react-flow .highlighted .react-flow__edge-path {
+    stroke: ${GRAPH_EDGE_HIGHLIGHT_COLOR};
+    stroke-width: 3;
+    filter: drop-shadow(0 0 4px ${GRAPH_EDGE_HIGHLIGHT_COLOR});
+  }
 `;
 
+// --- SVG filter color constants ---
+
+const GRAPH_FINDING_GLOW_COLOR = "#ef4444";
+const GRAPH_SELECTED_GLOW_COLOR = "#f97316";
+
 // --- SVG filter defs (shared by all node components) ---
 
 const GraphDefs = () => (
@@ -83,7 +106,7 @@ const GraphDefs = () => (
           dx="0"
           dy="0"
           stdDeviation="4"
-          floodColor="#ef4444"
+          floodColor={GRAPH_FINDING_GLOW_COLOR}
           floodOpacity="0.6"
         />
       </filter>
@@ -93,7 +116,7 @@ const GraphDefs = () => (
           dx="0"
           dy="0"
           stdDeviation="6"
-          floodColor="#f97316"
+          floodColor={GRAPH_SELECTED_GLOW_COLOR}
           floodOpacity="0.8"
         />
       </filter>
@@ -103,48 +126,153 @@ const GraphDefs = () => (
 
 // --- Inner component: calls useReactFlow(), owns layout derivation ---
 
-interface GraphCanvasProps {
-  data: AttackPathGraphData;
-  selectedNodeId?: string | null;
-  onNodeClick?: (node: GraphNode) => void;
-  ref?: Ref<GraphHandle>;
-}
+type GraphCanvasProps = Omit<AttackPathGraphProps, "className">;
 
 const GraphCanvas = ({
   data,
   selectedNodeId,
+  isFilteredView,
+  initialNodeId,
   onNodeClick,
+  onInitialFilter,
   ref,
 }: GraphCanvasProps) => {
   const { zoomIn, zoomOut, fitView, getZoom } = useReactFlow();
   const containerRef = useRef<HTMLDivElement>(null);
+  const hasInitialized = useRef(false);
+
+  // Tier 1 state: which resource nodes have their findings expanded
+  const [expandedResources, setExpandedResources] = useState<Set<string>>(
+    new Set(),
+  );
+  // Path highlight state
+  const [hoveredNodeId, setHoveredNodeId] = useState<string | null>(null);
+
+  // Reset interaction state whenever the underlying graph data changes
+  // (e.g. scan switch or new query execution) to avoid leaking stale
+  // expansion / highlight state into the next graph.
+  useEffect(() => {
+    setExpandedResources(new Set());
+    setHoveredNodeId(null);
+  }, [data]);
 
-  const nodes = data.nodes ?? [];
-  const edges = data.edges ?? [];
+  // --- initialNodeId: synchronous filtered-view derivation on first render ---
+  // Compute the effective data: if initialNodeId is set and valid, derive filtered subgraph
+  let effectiveData = data;
+  if (
+    initialNodeId &&
+    !hasInitialized.current &&
+    data.nodes.some((n) => n.id === initialNodeId)
+  ) {
+    effectiveData = computeFilteredSubgraph(data, initialNodeId);
+  }
+
+  // Sync store flags via useLayoutEffect (runs before paint)
+  useLayoutEffect(() => {
+    if (hasInitialized.current) return;
+    hasInitialized.current = true;
+    if (
+      initialNodeId &&
+      data.nodes.some((n) => n.id === initialNodeId) &&
+      onInitialFilter
+    ) {
+      onInitialFilter(effectiveData);
+    }
+  }, []); // eslint-disable-line react-hooks/exhaustive-deps -- one-time init
+
+  const nodes = effectiveData.nodes ?? [];
+  const edges = effectiveData.edges ?? [];
 
   // Derive RF nodes and edges from data (pure computation in render body — D4)
   const { rfNodes, rfEdges } = layoutWithDagre(nodes, edges);
 
   // Pre-compute which resources have findings connected (O(n+e))
-  const nodeLabelMap = new Map(nodes.map((n) => [n.id, n.labels]));
+  const findingNodeIds = new Set<string>();
+  const resourceToFindings = new Map<string, Set<string>>();
+  const findingToResources = new Map<string, Set<string>>();
+
+  nodes.forEach((n) => {
+    if (isFindingNode(n.labels)) findingNodeIds.add(n.id);
+  });
+
   const resourcesWithFindings = new Set<string>();
   edges.forEach((edge) => {
-    if (isFindingNode(nodeLabelMap.get(edge.source) ?? []))
+    const sourceIsFinding = findingNodeIds.has(edge.source);
+    const targetIsFinding = findingNodeIds.has(edge.target);
+
+    if (sourceIsFinding) {
       resourcesWithFindings.add(edge.target);
-    if (isFindingNode(nodeLabelMap.get(edge.target) ?? []))
+      // Map resource → its findings
+      const findings = resourceToFindings.get(edge.target) ?? new Set();
+      findings.add(edge.source);
+      resourceToFindings.set(edge.target, findings);
+      // Map finding → its resources
+      const resources = findingToResources.get(edge.source) ?? new Set();
+      resources.add(edge.target);
+      findingToResources.set(edge.source, resources);
+    }
+    if (targetIsFinding) {
       resourcesWithFindings.add(edge.source);
+      const findings = resourceToFindings.get(edge.source) ?? new Set();
+      findings.add(edge.target);
+      resourceToFindings.set(edge.source, findings);
+      const resources = findingToResources.get(edge.target) ?? new Set();
+      resources.add(edge.source);
+      findingToResources.set(edge.target, resources);
+    }
   });
 
-  // Enrich nodes with selection and hasFindings state
+  // Tier 1: compute which finding nodes are hidden (not expanded)
+  const hiddenFindingIds = new Set<string>();
+  if (!isFilteredView) {
+    findingNodeIds.forEach((findingId) => {
+      // A finding is visible only if at least one of its connected resources is expanded
+      const connectedResources = findingToResources.get(findingId);
+      if (!connectedResources) {
+        hiddenFindingIds.add(findingId);
+        return;
+      }
+      const anyExpanded = Array.from(connectedResources).some((resId) =>
+        expandedResources.has(resId),
+      );
+      if (!anyExpanded) {
+        hiddenFindingIds.add(findingId);
+      }
+    });
+  }
+
+  // Path highlight: compute highlighted edge IDs
+  const highlightedEdgeIds = hoveredNodeId
+    ? getPathEdges(
+        hoveredNodeId,
+        rfEdges.map((e) => ({ sourceId: e.source, targetId: e.target })),
+      )
+    : new Set<string>();
+
+  // Enrich nodes with selection, hasFindings, and hidden state
   const enrichedNodes = rfNodes.map((node) => ({
     ...node,
     selected: node.id === selectedNodeId,
+    hidden: hiddenFindingIds.has(node.id),
     data: {
       ...node.data,
       hasFindings: resourcesWithFindings.has(node.id),
     },
   }));
 
+  // Enrich edges with hidden state (hide edges to hidden findings) and highlight
+  const enrichedEdges = rfEdges.map((edge) => {
+    const sourceHidden = hiddenFindingIds.has(edge.source);
+    const targetHidden = hiddenFindingIds.has(edge.target);
+    const isHighlighted = highlightedEdgeIds.has(edge.id);
+
+    return {
+      ...edge,
+      hidden: sourceHidden || targetHidden,
+      className: cn(edge.className, isHighlighted && "highlighted"),
+    };
+  });
+
   useImperativeHandle(ref, () => ({
     zoomIn: () => zoomIn({ duration: 300 }),
     zoomOut: () => zoomOut({ duration: 300 }),
@@ -155,16 +283,44 @@ const GraphCanvas = ({
 
   const handleNodeClick = (_event: MouseEvent, node: Node) => {
     const graphNode = (node.data as { graphNode: GraphNode }).graphNode;
+
+    // Tier 1: clicking resource in full view toggles connected findings
+    if (!isFilteredView && !isFindingNode(graphNode.labels)) {
+      if (resourcesWithFindings.has(node.id)) {
+        setExpandedResources((prev) => {
+          const next = new Set(prev);
+          if (next.has(node.id)) {
+            next.delete(node.id);
+          } else {
+            next.add(node.id);
+          }
+          return next;
+        });
+      }
+    }
+
+    // Always fire parent callback (handles selection + Tier 2 filtered view)
     onNodeClick?.(graphNode);
   };
 
+  // Path highlight on hover
+  const handleNodeMouseEnter = (_event: MouseEvent, node: Node) => {
+    setHoveredNodeId(node.id);
+  };
+
+  const handleNodeMouseLeave = () => {
+    setHoveredNodeId(null);
+  };
+
   return (
     <div ref={containerRef} className="h-full w-full">
       <ReactFlow
         nodes={enrichedNodes}
-        edges={rfEdges}
+        edges={enrichedEdges}
         nodeTypes={NODE_TYPES}
         onNodeClick={handleNodeClick}
+        onNodeMouseEnter={handleNodeMouseEnter}
+        onNodeMouseLeave={handleNodeMouseLeave}
         fitView
         fitViewOptions={{ padding: 0.2 }}
         zoomOnScroll={false}
@@ -186,7 +342,10 @@ const GraphCanvas = ({
 export const AttackPathGraph = ({
   data,
   selectedNodeId,
+  isFilteredView,
+  initialNodeId,
   onNodeClick,
+  onInitialFilter,
   ref,
   className,
 }: AttackPathGraphProps) => {
@@ -206,7 +365,10 @@ export const AttackPathGraph = ({
           ref={ref}
           data={data}
           selectedNodeId={selectedNodeId}
+          isFilteredView={isFilteredView}
+          initialNodeId={initialNodeId}
           onNodeClick={onNodeClick}
+          onInitialFilter={onInitialFilter}
         />
       </ReactFlowProvider>
     </div>

ui/app/(prowler)/attack-paths/(workflow)/query-builder/_lib/graph-utils.ts

@@ -65,14 +65,12 @@ export const computeFilteredSubgraph = (
   traverseDownstream(targetNodeId);
 
   // Also include findings directly connected to the selected node
+  const nodeLabelMap = new Map(nodes.map((n) => [n.id, n.labels]));
   edges.forEach((edge) => {
-    const sourceNode = nodes.find((n) => n.id === edge.source);
-    const targetNode = nodes.find((n) => n.id === edge.target);
-
-    const sourceIsFinding = sourceNode?.labels.some((l) =>
+    const sourceIsFinding = (nodeLabelMap.get(edge.source) ?? []).some((l) =>
       l.toLowerCase().includes("finding"),
     );
-    const targetIsFinding = targetNode?.labels.some((l) =>
+    const targetIsFinding = (nodeLabelMap.get(edge.target) ?? []).some((l) =>
       l.toLowerCase().includes("finding"),
     );