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import { Button } from '@web/components/ui/button';
import {
Card,
CardContent,
CardDescription,
CardHeader,
CardTitle,
} from '@web/components/ui/card';
import type { NavigationMetrics } from '@web/hooks/use-navigation-performance';
import { useNavigationPerformance } from '@web/hooks/use-navigation-performance';
import {
BarChart,
Clock,
Trash2,
TrendingDown,
TrendingUp,
} from 'lucide-react';
import { useState } from 'react';
interface RouteMetrics {
route: string;
count: number;
totalLoadTime: number;
avgLoadTime: number;
minLoadTime: number;
maxLoadTime: number;
metrics: NavigationMetrics[];
}
export function PerformanceDashboard() {
const { metrics, getPerformanceReport, clearMetrics, currentMetric } =
useNavigationPerformance();
const [showDetails, setShowDetails] = useState(false);
// Calculate report directly from metrics instead of using state
const report = getPerformanceReport();
if (!report) {
return (
<Card>
<CardHeader>
<CardTitle>Navigation Performance</CardTitle>
<CardDescription>
No performance data available yet. Navigate through the app to
collect metrics.
</CardDescription>
</CardHeader>
</Card>
);
}
// Group metrics by route
const routeMetrics = metrics.reduce(
(acc, metric) => {
if (!metric.loadTime) return acc;
if (!acc[metric.route]) {
acc[metric.route] = {
route: metric.route,
count: 0,
totalLoadTime: 0,
avgLoadTime: 0,
minLoadTime: Infinity,
maxLoadTime: 0,
metrics: [],
};
}
acc[metric.route].count += 1;
acc[metric.route].totalLoadTime += metric.loadTime;
acc[metric.route].avgLoadTime =
acc[metric.route].totalLoadTime / acc[metric.route].count;
acc[metric.route].minLoadTime = Math.min(
acc[metric.route].minLoadTime,
metric.loadTime,
);
acc[metric.route].maxLoadTime = Math.max(
acc[metric.route].maxLoadTime,
metric.loadTime,
);
acc[metric.route].metrics.push(metric);
return acc;
},
{} as Record<string, RouteMetrics>,
);
const sortedRoutes = Object.values(routeMetrics).sort(
(a, b) => b.avgLoadTime - a.avgLoadTime,
);
return (
<div className="space-y-4">
<Card>
<CardHeader>
<div className="flex justify-between items-start">
<div>
<CardTitle className="flex items-center gap-2">
<BarChart className="h-5 w-5" />
Navigation Performance Dashboard
</CardTitle>
<CardDescription>
Real-time performance metrics for agent navigation
</CardDescription>
</div>
<div className="flex gap-2">
<Button
variant="outline"
size="sm"
onClick={() => setShowDetails(!showDetails)}
>
{showDetails ? 'Hide' : 'Show'} Details
</Button>
<Button
variant="outline"
size="sm"
onClick={() => {
clearMetrics();
}}
>
<Trash2 className="h-4 w-4 mr-1" />
Clear
</Button>
</div>
</div>
</CardHeader>
<CardContent className="space-y-6">
{/* Summary Stats */}
<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
<Card>
<CardHeader className="pb-2">
<CardTitle className="text-sm font-medium">
Average Load Time
</CardTitle>
</CardHeader>
<CardContent>
<div className="text-2xl font-bold">
{report.averageLoadTime.toFixed(0)}ms
</div>
<p className="text-xs text-muted-foreground">
Across {metrics.length} navigations
</p>
</CardContent>
</Card>
<Card>
<CardHeader className="pb-2">
<CardTitle className="text-sm font-medium flex items-center gap-1">
<TrendingUp className="h-4 w-4 text-red-500" />
Slowest Route
</CardTitle>
</CardHeader>
<CardContent>
<div className="text-sm font-medium truncate">
{report.slowestRoute || 'N/A'}
</div>
{report.slowestRoute && routeMetrics[report.slowestRoute] && (
<p className="text-xs text-muted-foreground">
{routeMetrics[report.slowestRoute].maxLoadTime.toFixed(0)}ms
max
</p>
)}
</CardContent>
</Card>
<Card>
<CardHeader className="pb-2">
<CardTitle className="text-sm font-medium flex items-center gap-1">
<TrendingDown className="h-4 w-4 text-green-500" />
Fastest Route
</CardTitle>
</CardHeader>
<CardContent>
<div className="text-sm font-medium truncate">
{report.fastestRoute || 'N/A'}
</div>
{report.fastestRoute && routeMetrics[report.fastestRoute] && (
<p className="text-xs text-muted-foreground">
{routeMetrics[report.fastestRoute].minLoadTime.toFixed(0)}ms
min
</p>
)}
</CardContent>
</Card>
</div>
{/* Current Navigation */}
{currentMetric && (
<Card className="border-blue-200 bg-blue-50/50 dark:border-blue-900 dark:bg-blue-950/20">
<CardHeader className="pb-2">
<CardTitle className="text-sm font-medium flex items-center gap-2">
<Clock className="h-4 w-4" />
Current Navigation
</CardTitle>
</CardHeader>
<CardContent>
<div className="text-sm space-y-1">
<div>Route: {currentMetric.route}</div>
{currentMetric.loadTime && (
<div>Load Time: {currentMetric.loadTime.toFixed(0)}ms</div>
)}
{currentMetric.renderTime && (
<div>
Render Time: {currentMetric.renderTime.toFixed(0)}ms
</div>
)}
{currentMetric.fcp && (
<div>
First Contentful Paint: {currentMetric.fcp.toFixed(0)}ms
</div>
)}
{currentMetric.lcp && (
<div>
Largest Contentful Paint: {currentMetric.lcp.toFixed(0)}ms
</div>
)}
</div>
</CardContent>
</Card>
)}
{/* Route Performance Table */}
{showDetails && sortedRoutes.length > 0 && (
<div className="space-y-2">
<h3 className="text-sm font-semibold">
Route Performance Details
</h3>
<div className="rounded-md border">
<table className="w-full">
<thead>
<tr className="border-b bg-muted/50">
<th className="p-2 text-left text-xs font-medium">
Route
</th>
<th className="p-2 text-right text-xs font-medium">
Count
</th>
<th className="p-2 text-right text-xs font-medium">
Avg (ms)
</th>
<th className="p-2 text-right text-xs font-medium">
Min (ms)
</th>
<th className="p-2 text-right text-xs font-medium">
Max (ms)
</th>
</tr>
</thead>
<tbody>
{sortedRoutes.map((route) => (
<tr key={route.route} className="border-b">
<td className="p-2 text-xs font-mono truncate max-w-xs">
{route.route}
</td>
<td className="p-2 text-right text-xs">
{route.count}
</td>
<td className="p-2 text-right text-xs font-medium">
{route.avgLoadTime.toFixed(0)}
</td>
<td className="p-2 text-right text-xs text-green-600">
{route.minLoadTime.toFixed(0)}
</td>
<td className="p-2 text-right text-xs text-red-600">
{route.maxLoadTime.toFixed(0)}
</td>
</tr>
))}
</tbody>
</table>
</div>
</div>
)}
{/* Performance Tips */}
{report.averageLoadTime > 1000 && (
<Card className="border-yellow-200 bg-yellow-50/50 dark:border-yellow-900 dark:bg-yellow-950/20">
<CardHeader className="pb-2">
<CardTitle className="text-sm font-medium">
Performance Tips
</CardTitle>
</CardHeader>
<CardContent>
<ul className="text-xs space-y-1 list-disc list-inside">
<li>
Average load time is above 1 second - consider optimizing
data fetching
</li>
{sortedRoutes[0]?.avgLoadTime > 1500 && (
<li>
Route "{sortedRoutes[0].route}" is particularly slow
</li>
)}
<li>Check network tab for slow API calls</li>
<li>Consider implementing pagination or lazy loading</li>
</ul>
</CardContent>
</Card>
)}
</CardContent>
</Card>
</div>
);
}
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