All files / src/components/features/admin/monitoring/RecentRumEvents index.tsx

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'use client';

import React from 'react';

export interface RumEventSummary {
  type: string;
  _count: number;
}

export interface RecentRumEventsProps {
  /** RUM event summaries grouped by type */
  events: RumEventSummary[];
}

const EVENT_TYPE_CONFIG: Record<
  string,
  { label: string; color: string; description: string }
> = {
  pageview: {
    label: 'Page Views',
    color: 'bg-blue-500',
    description: 'User page navigation events',
  },
  vitals: {
    label: 'Web Vitals',
    color: 'bg-green-500',
    description: 'Core Web Vitals measurements',
  },
  api_call: {
    label: 'API Calls',
    color: 'bg-purple-500',
    description: 'Client-side API requests',
  },
  error: {
    label: 'Errors',
    color: 'bg-red-500',
    description: 'Client-side JavaScript errors',
  },
  long_task: {
    label: 'Long Tasks',
    color: 'bg-yellow-500',
    description: 'Tasks blocking the main thread >50ms',
  },
  event: {
    label: 'Custom Events',
    color: 'bg-indigo-500',
    description: 'Custom tracking events',
  },
};

/**
 * RecentRumEvents Component
 *
 * Displays a summary of Real User Monitoring events by type.
 */
export function RecentRumEvents({ events }: RecentRumEventsProps) {
  const totalEvents = events.reduce((sum, e) => sum + e._count, 0);

  // Sort events by count descending
  const sortedEvents = [...events].sort((a, b) => b._count - a._count);

  return (
    <div className="bg-white dark:bg-gray-800 rounded-lg shadow p-6 mb-8" data-testid="rum-events">
      <div className="flex justify-between items-center mb-4">
        <h2 className="text-lg font-semibold text-gray-900 dark:text-white">
          Real User Monitoring (24h)
        </h2>
        <span className="text-sm text-gray-500 dark:text-gray-400">
          {totalEvents.toLocaleString()} total events
        </span>
      </div>

      {events.length > 0 ? (
        <div className="space-y-4">
          {/* Event type breakdown */}
          <div className="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-6 gap-3">
            {sortedEvents.map((event) => {
              const config = EVENT_TYPE_CONFIG[event.type] || {
                label: event.type,
                color: 'bg-gray-500',
                description: 'Unknown event type',
              };
              const percentage = totalEvents > 0 ? (event._count / totalEvents) * 100 : 0;

              return (
                <div
                  key={event.type}
                  className="p-3 bg-gray-50 dark:bg-gray-700 rounded-lg"
                  title={config.description}
                >
                  <div className="flex items-center mb-2">
                    <div className={`w-3 h-3 rounded-full ${config.color} mr-2`} />
                    <span className="text-xs font-medium text-gray-600 dark:text-gray-300 truncate">
                      {config.label}
                    </span>
                  </div>
                  <p className="text-lg font-bold text-gray-900 dark:text-white">
                    {event._count.toLocaleString()}
                  </p>
                  <p className="text-xs text-gray-500 dark:text-gray-400">
                    {percentage.toFixed(1)}%
                  </p>
                </div>
              );
            })}
          </div>

          {/* Visual bar chart */}
          <div className="mt-4">
            <div className="flex h-4 rounded-full overflow-hidden bg-gray-200 dark:bg-gray-700">
              {sortedEvents.map((event) => {
                const config = EVENT_TYPE_CONFIG[event.type] || { color: 'bg-gray-500' };
                const percentage = totalEvents > 0 ? (event._count / totalEvents) * 100 : 0;
                if (percentage < 1) return null;

                return (
                  <div
                    key={event.type}
                    className={`${config.color} transition-all duration-300`}
                    style={{ width: `${percentage}%` }}
                    title={`${event.type}: ${event._count} events (${percentage.toFixed(1)}%)`}
                  />
                );
              })}
            </div>
          </div>
        </div>
      ) : (
        <div className="text-center py-8">
          <p className="text-gray-500 dark:text-gray-400">
            No RUM events recorded in the last 24 hours
          </p>
          <p className="text-sm text-gray-400 dark:text-gray-500 mt-2">
            Enable RUM by setting NEXT_PUBLIC_RUM_ENABLED=true
          </p>
        </div>
      )}
    </div>
  );
}

export default RecentRumEvents;