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import { motion, AnimatePresence } from 'framer-motion';
import {
Network,
RefreshCw,
ChevronDown,
ChevronUp,
AlertCircle,
Sparkles,
ZoomIn,
ZoomOut,
Maximize2,
Info,
TrendingUp,
GitBranch,
AlertTriangle,
Loader2,
} from 'lucide-react';
import { API_BASE_URL } from '../config/api';
import './HealthGraph.css';
// Types matching backend schemas
interface GraphNode {
id: string;
name: string;
type: string;
properties: Record<string, unknown>;
}
interface GraphRelationship {
source: string;
relation: string;
target: string;
properties: Record<string, unknown>;
}
interface GraphDataResponse {
nodes: GraphNode[];
relationships: GraphRelationship[];
total_nodes: number;
total_relationships: number;
available: boolean;
message: string | null;
}
interface InsightResponse {
insight_type: string;
content: string;
sources: string[];
available: boolean;
message: string | null;
}
type InsightType = 'temporal' | 'relationships' | 'contradictions';
const INSIGHT_BUTTONS: { type: InsightType; icon: typeof TrendingUp; label: string; description: string }[] = [
{ type: 'temporal', icon: TrendingUp, label: 'Timeline Analysis', description: 'How have my metrics changed?' },
{ type: 'relationships', icon: GitBranch, label: 'Health Connections', description: 'What\'s connected in my health data?' },
{ type: 'contradictions', icon: AlertTriangle, label: 'Data Conflicts', description: 'Any inconsistencies in my records?' },
];
interface HealthGraphProps {
authToken?: string;
apiBaseUrl?: string;
defaultCollapsed?: boolean;
}
// Node type colors - using dashboard theme palette
const nodeColors: Record<string, string> = {
condition: '#c85a54', // dash-danger (red)
metric: '#7a9cc6', // dash-info (blue)
medication: '#6b9175', // dash-accent (green)
recommendation: '#d9a962', // dash-warning (amber)
user: '#4a7c59', // dash-accent-dark (dark green)
entity: '#999999', // dash-text-muted (gray)
};
const normalizeNodeId = (value: string): string => value.trim().toLowerCase().replace(/\s+/g, '_');
const HealthGraph: React.FC<HealthGraphProps> = ({
authToken,
apiBaseUrl = API_BASE_URL,
defaultCollapsed = true,
}) => {
const [graphData, setGraphData] = useState<GraphDataResponse | null>(null);
const [loading, setLoading] = useState(false);
const [syncing, setSyncing] = useState(false);
const [error, setError] = useState<string | null>(null);
const [syncNotice, setSyncNotice] = useState<string | null>(null);
const [collapsed, setCollapsed] = useState(defaultCollapsed);
const [available, setAvailable] = useState(true);
const [zoom, setZoom] = useState(1);
const [hoveredNode, setHoveredNode] = useState<GraphNode | null>(null);
const svgRef = useRef<SVGSVGElement>(null);
// Insights state
const [insightLoading, setInsightLoading] = useState(false);
const [insightContent, setInsightContent] = useState<string | null>(null);
const [insightSources, setInsightSources] = useState<string[]>([]);
const [activeInsightType, setActiveInsightType] = useState<InsightType | null>(null);
const [insightError, setInsightError] = useState<string | null>(null);
const fetchGraphData = useCallback(async () => {
if (!authToken) {
setError('Authentication required');
return;
}
setLoading(true);
setError(null);
try {
const response = await fetch(`${apiBaseUrl}/api/graph/relationships?limit=30`, {
headers: {
Authorization: `Bearer ${authToken}`,
'Content-Type': 'application/json',
},
});
if (!response.ok) {
throw new Error(`Failed to fetch graph data: ${response.status}`);
}
const data: GraphDataResponse = await response.json();
setGraphData(data);
setAvailable(data.available);
if (data.message) {
setError(data.message);
}
} catch (err) {
setError(err instanceof Error ? err.message : 'Failed to load graph data');
} finally {
setLoading(false);
}
}, [authToken, apiBaseUrl]);
// Generate AI insight from graph data
const generateInsight = useCallback(async (insightType: InsightType) => {
if (!authToken) {
setInsightError('Authentication required');
return;
}
setInsightLoading(true);
setInsightError(null);
setInsightContent(null);
setActiveInsightType(insightType);
try {
const response = await fetch(`${apiBaseUrl}/api/graph/insights`, {
method: 'POST',
headers: {
Authorization: `Bearer ${authToken}`,
'Content-Type': 'application/json',
},
body: JSON.stringify({ insight_type: insightType, context_limit: 10 }),
});
if (!response.ok) {
throw new Error(`Failed to generate insight: ${response.status}`);
}
const data: InsightResponse = await response.json();
if (!data.available) {
throw new Error(data.message || 'Service not available');
}
if (data.message && !data.content) {
throw new Error(data.message);
}
if (!data.content || data.content.trim() === '') {
setInsightError('No insight generated. Try adding more health data.');
return;
}
setInsightContent(data.content);
setInsightSources(data.sources || []);
} catch (err) {
setInsightError(err instanceof Error ? err.message : 'Failed to generate insight');
} finally {
setInsightLoading(false);
}
}, [authToken, apiBaseUrl]);
const syncProfileToGraph = useCallback(async () => {
if (!authToken) {
setError('Authentication required');
return;
}
setSyncing(true);
setError(null);
setSyncNotice(null);
try {
const response = await fetch(`${apiBaseUrl}/api/profile/sync-to-memory`, {
method: 'POST',
headers: {
Authorization: `Bearer ${authToken}`,
'Content-Type': 'application/json',
},
});
if (!response.ok) {
throw new Error(`Profile sync failed: ${response.status}`);
}
const payload = await response.json().catch(() => null);
if (payload?.success === false) {
throw new Error(payload?.message || 'Profile sync failed');
}
const syncedFacts = payload?.synced?.facts_synced;
if (typeof syncedFacts === 'number') {
setSyncNotice(`Synced ${syncedFacts} facts from your profile. Refreshing graph...`);
} else {
setSyncNotice('Profile sync completed. Refreshing graph...');
}
await fetchGraphData();
} catch (err) {
setError(err instanceof Error ? err.message : 'Failed to sync profile data');
} finally {
setSyncing(false);
}
}, [authToken, apiBaseUrl, fetchGraphData]);
useEffect(() => {
if (!collapsed && authToken) {
fetchGraphData();
}
}, [collapsed, authToken, fetchGraphData]);
// Simple force-directed layout calculation (simplified)
const calculateLayout = useCallback((nodes: GraphNode[]) => {
const width = 600;
const height = 400;
const centerX = width / 2;
const centerY = height / 2;
// Position nodes in a circle or hierarchical layout
const nodePositions: Record<string, { x: number; y: number }> = {};
const nodeCount = nodes.length;
if (nodeCount === 0) return nodePositions;
// Group nodes by type
const nodesByType: Record<string, GraphNode[]> = {};
nodes.forEach(node => {
if (!nodesByType[node.type]) {
nodesByType[node.type] = [];
}
nodesByType[node.type].push(node);
});
// Position nodes by type in concentric circles
const types = Object.keys(nodesByType);
let currentRadius = 80;
types.forEach((type, typeIndex) => {
const typeNodes = nodesByType[type];
const angleStep = (2 * Math.PI) / typeNodes.length;
const offsetAngle = (typeIndex * Math.PI) / types.length;
typeNodes.forEach((node, nodeIndex) => {
const angle = offsetAngle + nodeIndex * angleStep;
nodePositions[node.id] = {
x: centerX + currentRadius * Math.cos(angle),
y: centerY + currentRadius * Math.sin(angle),
};
});
currentRadius += 60;
});
return nodePositions;
}, []);
const nodePositions = useMemo(
() => (graphData ? calculateLayout(graphData.nodes) : {}),
[graphData, calculateLayout]
);
const handleZoomIn = () => setZoom(prev => Math.min(prev + 0.2, 2));
const handleZoomOut = () => setZoom(prev => Math.max(prev - 0.2, 0.5));
const handleResetZoom = () => setZoom(1);
return (
<div className="health-graph">
<div
className="health-graph-header"
onClick={() => setCollapsed(!collapsed)}
role="button"
tabIndex={0}
onKeyDown={(e) => e.key === 'Enter' && setCollapsed(!collapsed)}
>
<div className="health-graph-header-left">
<Network size={20} className="health-graph-icon" />
<h3>Health Knowledge Graph</h3>
<span className="health-graph-badge">
{available ? (
<>{graphData?.total_nodes || 0} nodes</>
) : (
<><AlertCircle size={12} /> Offline</>
)}
</span>
</div>
<div className="health-graph-header-right">
{collapsed ? <ChevronDown size={20} /> : <ChevronUp size={20} />}
</div>
</div>
<AnimatePresence>
{!collapsed && (
<motion.div
initial={{ height: 0, opacity: 0 }}
animate={{ height: 'auto', opacity: 1 }}
exit={{ height: 0, opacity: 0 }}
transition={{ duration: 0.2 }}
className="health-graph-content"
>
{!available ? (
<div className="health-graph-unavailable">
<AlertCircle size={32} />
<p>Knowledge graph service is not available</p>
<span>Neo4j connection is required for relationship visualization.</span>
</div>
) : loading ? (
<div className="health-graph-loading">
<RefreshCw size={24} className="spinning" />
<p>Loading health relationships...</p>
</div>
) : !graphData || graphData.nodes.length === 0 ? (
<div className="health-graph-empty">
<Sparkles size={32} />
<p>No graph data for your account yet</p>
<span>
This graph is user-scoped. Sync your profile data or upload reports to generate
relationships.
</span>
{syncNotice && (
<span className="health-graph-empty-note">{syncNotice}</span>
)}
<button
className="health-graph-empty-sync"
onClick={syncProfileToGraph}
disabled={syncing || loading}
>
{syncing ? <RefreshCw size={14} className="spinning" /> : <Sparkles size={14} />}
<span>{syncing ? 'Syncing...' : 'Sync Profile Data'}</span>
</button>
</div>
) : (
<>
<div className="health-graph-toolbar">
<div className="health-graph-controls">
<button onClick={handleZoomOut} title="Zoom out">
<ZoomOut size={16} />
</button>
<span className="zoom-level">{Math.round(zoom * 100)}%</span>
<button onClick={handleZoomIn} title="Zoom in">
<ZoomIn size={16} />
</button>
<button onClick={handleResetZoom} title="Reset zoom">
<Maximize2 size={16} />
</button>
</div>
<div className="health-graph-actions">
<button
className="health-graph-sync"
onClick={syncProfileToGraph}
disabled={syncing || loading}
title="Sync profile into per-user graph"
>
{syncing ? <RefreshCw size={14} className="spinning" /> : <Sparkles size={14} />}
<span>{syncing ? 'Syncing...' : 'Sync Profile'}</span>
</button>
<button
className="health-graph-refresh"
onClick={fetchGraphData}
title="Refresh"
>
<RefreshCw size={16} />
</button>
</div>
</div>
{syncNotice && (
<div className="health-graph-note">
<Info size={14} />
<span>{syncNotice}</span>
</div>
)}
{/* AI Insights Panel */}
<div className="health-graph-insights">
<div className="insights-header">
<Sparkles size={16} className="insights-icon" />
<span className="insights-title">AI-Powered Insights</span>
</div>
<div className="insights-buttons">
{INSIGHT_BUTTONS.map(({ type, icon: Icon, label, description }) => (
<button
key={type}
className={`insight-button insight-button-${type} ${activeInsightType === type ? 'active' : ''}`}
onClick={() => generateInsight(type)}
disabled={insightLoading}
title={description}
>
{insightLoading && activeInsightType === type ? (
<Loader2 size={16} className="spinning" />
) : (
<Icon size={16} />
)}
<span>{label}</span>
</button>
))}
</div>
<AnimatePresence>
{(insightContent || insightLoading || insightError) && (
<motion.div
initial={{ height: 0, opacity: 0 }}
animate={{ height: 'auto', opacity: 1 }}
exit={{ height: 0, opacity: 0 }}
transition={{ duration: 0.2 }}
className="insights-content"
>
{insightLoading ? (
<div className="insights-loading">
<Loader2 size={20} className="spinning" />
<span>Analyzing your health data...</span>
</div>
) : insightError ? (
<div className="insights-error">
<AlertCircle size={16} />
<span>{insightError}</span>
</div>
) : insightContent && (
<>
<div className="insights-text">
{insightContent.split('\n').filter(line => line.trim()).map((line, i) => (
<p key={i}>{line}</p>
))}
</div>
{insightSources.length > 0 && (
<details className="insights-sources">
<summary>
<Info size={12} />
<span>{insightSources.length} facts used</span>
</summary>
<ul>
{insightSources.map((source, i) => (
<li key={i}>{source}</li>
))}
</ul>
</details>
)}
</>
)}
</motion.div>
)}
</AnimatePresence>
</div>
{error && (
<div className="health-graph-error">
<AlertCircle size={16} />
<span>{error}</span>
</div>
)}
<div className="health-graph-canvas-wrapper">
<svg
ref={svgRef}
className="health-graph-canvas"
viewBox="0 0 600 400"
style={{ transform: `scale(${zoom})` }}
>
{/* Relationship lines */}
<g className="relationships">
{graphData.relationships.map((rel, index) => {
const sourcePos = nodePositions[normalizeNodeId(rel.source)];
const targetPos = nodePositions[normalizeNodeId(rel.target)];
if (!sourcePos || !targetPos) return null;
return (
<g key={`rel-${index}`} className="relationship">
<line
x1={sourcePos.x}
y1={sourcePos.y}
x2={targetPos.x}
y2={targetPos.y}
className="relationship-line"
/>
<text
x={(sourcePos.x + targetPos.x) / 2}
y={(sourcePos.y + targetPos.y) / 2 - 5}
className="relationship-label"
>
{rel.relation}
</text>
</g>
);
})}
</g>
{/* Nodes */}
<g className="nodes">
{graphData.nodes.map((node) => {
const pos = nodePositions[node.id];
if (!pos) return null;
const isHovered = hoveredNode?.id === node.id;
return (
<g
key={node.id}
className="node"
transform={`translate(${pos.x}, ${pos.y})`}
onMouseEnter={() => setHoveredNode(node)}
onMouseLeave={() => setHoveredNode(null)}
>
<circle
r={isHovered ? 38 : 34}
fill={nodeColors[node.type] || nodeColors.entity}
className="node-circle"
/>
<text
y={5}
textAnchor="middle"
className="node-label"
>
{node.name.length > 14
? node.name.slice(0, 12) + '...'
: node.name}
</text>
</g>
);
})}
</g>
</svg>
{/* Tooltip */}
{hoveredNode && (
<div className="health-graph-tooltip">
<strong>{hoveredNode.name}</strong>
<span className="tooltip-type">{hoveredNode.type}</span>
</div>
)}
</div>
{/* Legend */}
<div className="health-graph-legend">
{Object.entries(nodeColors).slice(0, 5).map(([type, color]) => (
<div key={type} className="legend-item">
<span
className="legend-color"
style={{ backgroundColor: color }}
/>
<span className="legend-label">{type}</span>
</div>
))}
</div>
<div className="health-graph-footer">
<Info size={14} />
<span>
Showing {graphData.total_nodes} entities and {graphData.total_relationships} relationships
</span>
</div>
</>
)}
</motion.div>
)}
</AnimatePresence>
</div>
);
};
export default HealthGraph;
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