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import React from 'react';
import { formatDuration } from '@/lib/monitoring/percentiles';
export interface SlowRequest {
id: string | number;
type: string;
name: string;
duration: number;
method?: string | null;
statusCode?: number | null;
createdAt: Date | string;
metadata?: Record<string, unknown> | null;
}
export interface SlowestRequestsTableProps {
/** Slow requests to display */
requests: SlowRequest[];
/** Loading state */
isLoading?: boolean;
/** Maximum rows to display */
maxRows?: number;
/** Threshold for highlighting (ms) */
criticalThreshold?: number;
/** Show metadata column */
showMetadata?: boolean;
}
/**
* Get severity color based on duration
*/
function getSeverityColor(duration: number, threshold: number): string {
if (duration >= threshold * 2) return 'text-red-600 dark:text-red-400 bg-red-50 dark:bg-red-900/20';
if (duration >= threshold) return 'text-orange-600 dark:text-orange-400 bg-orange-50 dark:bg-orange-900/20';
return 'text-yellow-600 dark:text-yellow-400 bg-yellow-50 dark:bg-yellow-900/20';
}
/**
* Get status code color
*/
function getStatusColor(statusCode: number | null | undefined): string {
if (!statusCode) return 'text-gray-500';
if (statusCode >= 500) return 'text-red-600 dark:text-red-400';
if (statusCode >= 400) return 'text-yellow-600 dark:text-yellow-400';
return 'text-green-600 dark:text-green-400';
}
/**
* Format timestamp for display
*/
function formatTimestamp(date: Date | string): string {
const d = typeof date === 'string' ? new Date(date) : date;
return d.toLocaleString([], {
month: 'short',
day: 'numeric',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
});
}
/**
* TypeBadge component - styled metric type indicator
*/
function TypeBadge({ type }: { type: string }) {
const colors: Record<string, string> = {
api: 'bg-blue-100 text-blue-800 dark:bg-blue-900 dark:text-blue-200',
database: 'bg-purple-100 text-purple-800 dark:bg-purple-900 dark:text-purple-200',
render: 'bg-green-100 text-green-800 dark:bg-green-900 dark:text-green-200',
};
return (
<span
className={`px-2 py-0.5 text-xs font-medium rounded ${colors[type] || 'bg-gray-100 text-gray-800 dark:bg-gray-700 dark:text-gray-200'}`}
>
{type}
</span>
);
}
/**
* SlowestRequestsTable displays the slowest requests/queries
*/
export function SlowestRequestsTable({
requests,
isLoading = false,
maxRows = 10,
criticalThreshold = 1000,
showMetadata = false,
}: SlowestRequestsTableProps) {
const displayedRequests = requests.slice(0, maxRows);
if (isLoading) {
return (
<div
className="bg-white dark:bg-gray-800 rounded-lg shadow p-4"
data-testid="slowest-requests-table"
>
<h3 className="text-lg font-semibold mb-4 text-gray-900 dark:text-white">
Slowest Requests
</h3>
<div className="animate-pulse space-y-3">
{[1, 2, 3, 4, 5].map((i) => (
<div key={i} className="h-12 bg-gray-200 dark:bg-gray-700 rounded" />
))}
</div>
</div>
);
}
if (requests.length === 0) {
return (
<div
className="bg-white dark:bg-gray-800 rounded-lg shadow p-4"
data-testid="slowest-requests-table"
>
<h3 className="text-lg font-semibold mb-4 text-gray-900 dark:text-white">
Slowest Requests
</h3>
<p className="text-gray-500 dark:text-gray-400 text-center py-8">
No slow requests detected
</p>
</div>
);
}
return (
<div
className="bg-white dark:bg-gray-800 rounded-lg shadow p-4"
data-testid="slowest-requests-table"
>
<div className="flex items-center justify-between mb-4">
<h3 className="text-lg font-semibold text-gray-900 dark:text-white">Slowest Requests</h3>
<span className="text-sm text-gray-500 dark:text-gray-400">
Threshold: {formatDuration(criticalThreshold)}
</span>
</div>
<div className="space-y-2">
{displayedRequests.map((request) => (
<div
key={request.id}
className={`p-3 rounded-lg ${getSeverityColor(request.duration, criticalThreshold)}`}
>
<div className="flex items-start justify-between gap-4">
<div className="flex-1 min-w-0">
<div className="flex items-center gap-2 mb-1">
<TypeBadge type={request.type} />
{request.method && (
<span className="text-xs font-medium text-gray-600 dark:text-gray-400">
{request.method}
</span>
)}
{request.statusCode && (
<span className={`text-xs font-medium ${getStatusColor(request.statusCode)}`}>
{request.statusCode}
</span>
)}
</div>
<p className="font-mono text-sm truncate" title={request.name}>
{request.name}
</p>
{showMetadata && request.metadata && (
<pre className="text-xs text-gray-500 dark:text-gray-400 mt-1 truncate">
{JSON.stringify(request.metadata)}
</pre>
)}
</div>
<div className="text-right flex-shrink-0">
<p className="text-lg font-bold">{formatDuration(request.duration)}</p>
<p className="text-xs text-gray-500 dark:text-gray-400">
{formatTimestamp(request.createdAt)}
</p>
</div>
</div>
</div>
))}
</div>
{requests.length > maxRows && (
<p className="text-sm text-gray-500 dark:text-gray-400 mt-4 text-center">
Showing {maxRows} of {requests.length} slow requests
</p>
)}
</div>
);
}
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