/**
 * Receives POST from Hail Recon when a monitored address is hailed.
 * Stores the storm event in Vercel KV so /api/hail-status can serve it.
 *
 * Configure in Hail Recon dashboard:
 *   Webhook URL: https://yourapp.vercel.app/api/hail-webhook?secret=YOUR_WEBHOOK_SECRET
 */

import { kv } from '@vercel/kv';

export default async function handler(req, res) {
    if (req.method !== 'POST') {
        return res.status(405).json({ error: 'Method not allowed' });
    }

    const secret = process.env.HAIL_RECON_WEBHOOK_SECRET;
    if (secret && req.query.secret !== secret) {
        return res.status(401).json({ error: 'Unauthorized' });
    }

    const payload = req.body || {};

    const stormEvent = {
        address:      payload.address      || payload.street || 'Unknown address',
        city:         payload.city         || '',
        state:        payload.state        || 'TX',
        zip:          payload.zip          || '',
        hailSize:     payload.hailSize     || payload.hail_size     || payload.size || null,
        stormDate:    payload.stormDate    || payload.storm_date    || payload.date || new Date().toISOString(),
        markerId:     payload.markerId     || payload.AddressMarker_id || null,
        receivedAt:   Date.now(),
    };

    await kv.set('lastStormEvent', stormEvent);

    console.log('[hail-webhook] Storm event stored:', stormEvent);

    return res.status(200).json({ ok: true, received: stormEvent });
}