import { NextResponse } from 'next/server';
import { db } from '@/lib/db';
import { settings } from '@/lib/db/schema';

export async function GET() {
	try {
		// Test database connectivity
		const startTime = Date.now();
		await db.select().from(settings).limit(1);
		const dbLatency = Date.now() - startTime;

		// Check memory usage
		const memoryUsage = process.memoryUsage();

		return NextResponse.json({
			status: 'healthy',
			timestamp: new Date().toISOString(),
			uptime: Math.floor(process.uptime()),
			environment: process.env.NODE_ENV,
			database: {
				status: 'connected',
				latency: `${dbLatency}ms`,
			},
			memory: {
				rss: `${Math.round(memoryUsage.rss / 1024 / 1024)}MB`,
				heapUsed: `${Math.round(memoryUsage.heapUsed / 1024 / 1024)}MB`,
				heapTotal: `${Math.round(memoryUsage.heapTotal / 1024 / 1024)}MB`,
			},
			version: process.env.npm_package_version || '1.0.0',
		});
	} catch (error) {
		console.error('Health check failed:', error);
		return NextResponse.json(
			{
				status: 'unhealthy',
				timestamp: new Date().toISOString(),
				error: 'Database connection failed',
				details: error instanceof Error ? error.message : 'Unknown error',
			},
			{ status: 500 }
		);
	}
}