<?php
header('Content-Type: application/json');
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
header('Access-Control-Allow-Headers: Content-Type');

// Handle preflight OPTIONS request
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
    http_response_code(200);
    exit();
}

$apiUrl = 'https://map.meshcore.dev/api/v1/nodes';

// Initialize cURL
$ch = curl_init();

// Set the URL
curl_setopt($ch, CURLOPT_URL, $apiUrl);

// Set request method
$method = $_SERVER['REQUEST_METHOD'];
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);

// Set headers
$headers = [
    'Content-Type: application/json',
    'User-Agent: MeshCore Map Proxy'
];

// Forward request body for POST requests
if ($method === 'POST') {
    $input = file_get_contents('php://input');
    curl_setopt($ch, CURLOPT_POSTFIELDS, $input);
}

curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);

// Execute request
$response = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);

// Check for cURL errors
if (curl_error($ch)) {
    http_response_code(500);
    echo json_encode(['error' => 'Proxy error: ' . curl_error($ch)]);
    curl_close($ch);
    exit();
}

curl_close($ch);

// Set the HTTP response code
http_response_code($httpCode);

// Return the response
echo $response;
?>