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

export const dynamic = 'force-dynamic';

export async function GET() {
    try {
        const db = await getDb();

        // Get active/recent visitors (last 24h)
        const recent = await db.all(`
      SELECT lat, lon, city, country, count(*) as count 
      FROM visitors 
      WHERE timestamp > datetime('now', '-24 hours')
      GROUP BY lat, lon
    `);

        // Get total count
        const total = await db.get(`SELECT count(*) as count FROM visitors`);

        return NextResponse.json({
            locations: recent.map(r => ({
                location: [r.lat, r.lon],
                size: Math.min(0.1, 0.05 + (r.count * 0.005)), // Scale size by visitor count
                city: r.city,
                country: r.country
            })),
            totalVisitors: total.count,
            active24h: recent.reduce((sum, r) => sum + r.count, 0)
        });
    } catch (error) {
        console.error('Visitor fetch error:', error);
        return NextResponse.json({ locations: [], totalVisitors: 0, active24h: 0 });
    }
}