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 live status (most recent log per service)
        const live = await db.all(`
      SELECT service_name as name, url, status, latency 
      FROM uptime_logs 
      WHERE id IN (SELECT MAX(id) FROM uptime_logs GROUP BY service_name)
    `);

        // Get 24h stats
        const stats24h = await db.all(`
      SELECT service_name, 
             count(*) as total, 
             sum(case when status = 'up' then 1 else 0 end) as up_count 
      FROM uptime_logs 
      WHERE timestamp > datetime('now', '-24 hours')
      GROUP BY service_name
    `);

        // Get 7d stats
        const stats7d = await db.all(`
      SELECT service_name, 
             count(*) as total, 
             sum(case when status = 'up' then 1 else 0 end) as up_count 
      FROM uptime_logs 
      WHERE timestamp > datetime('now', '-7 days')
      GROUP BY service_name
    `);

        // Merge data
        const results = live.map(l => {
            const s24 = stats24h.find(s => s.service_name === l.name);
            const s7d = stats7d.find(s => s.service_name === l.name);

            return {
                ...l,
                uptime24h: s24 ? Math.round((s24.up_count / s24.total) * 100) : 100,
                uptime7d: s7d ? Math.round((s7d.up_count / s7d.total) * 100) : 100,
            };
        });

        return NextResponse.json(results);
    } catch (error) {
        console.error('Uptime stats error:', error);
        // Fallback to simple check if DB fails
        return NextResponse.json([]);
    }
}