<?php
// Weather endpoint — serves from api_cache (refreshed every 30 min by cron)

$cached = JarvisDB::query(
    'SELECT data, UNIX_TIMESTAMP(updated_at) as ts FROM api_cache WHERE cache_key=? LIMIT 1',
    ['weather']
);

if ($cached && !empty($cached[0]['data'])) {
    $out = json_decode($cached[0]['data'], true);
    $out['cache_age_s'] = (int)(time() - (int)$cached[0]['ts']);
    echo json_encode($out);
} else {
    echo json_encode([
        'current'    => null,
        'forecast'   => [],
        'cache_age_s' => -1,
        'message'    => 'Weather data warming up — available within 5 minutes.',
    ]);
}