<?php
require_once __DIR__ . '/../config.php';

header('Content-Type: application/json');

// Define a sample polygon (bounding box for the US)
$location = [
    'type' => 'Polygon',
    'coordinates' => [
        [
            [-125.0, 24.0],
            [-66.0, 24.0],
            [-66.0, 49.0],
            [-125.0, 49.0],
            [-125.0, 24.0]
        ]
    ]
];

$locationJson = json_encode($location);
$apiKey = defined('OWM_API_KEY') ? OWM_API_KEY : '';

if (empty($apiKey)) {
    echo json_encode(['error' => 'OpenWeatherMap API key not configured.']);
    exit;
}

$url = 'https://api.openweathermap.org/data/3.0/alerts?location=' . urlencode($locationJson) . '&appid=' . $apiKey;

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_USERAGENT, 'FlatlogicCesiumApp');

$response = curl_exec($ch);
$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);

if ($httpcode !== 200) {
    echo json_encode(['error' => 'Failed to fetch weather alerts.', 'http_code' => $httpcode, 'response' => $response]);
    exit;
}

echo $response;
?>