<?php
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept, Authorization');

header('Access-Control-Allow-Credentials: true');
if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
    http_response_code(204);
    exit;
}

// Read raw JSON input if present
$rawInput = file_get_contents("php://input");
if (!empty($rawInput)) {
    $inputData = json_decode($rawInput, true);
    if (json_last_error() === JSON_ERROR_NONE && is_array($inputData)) {
        $_POST = array_merge($_POST, $inputData);
    }
}

$id        = $_POST['identifier'] ?? ($_POST['id'] ?? '');
$status    = $_POST['status'] ?? 'ACTIVE';

$email     = $_POST['customer']['email'] ?? ($_POST['email'] ?? '');
$nome      = $_POST['customer']['name'] ?? ($_POST['nome'] ?? '');
$telefone  = $_POST['customer']['cellphone'] ?? ($_POST['telefone'] ?? '');
$cpf       = $_POST['customer']['cpf'] ?? ($_POST['cpf'] ?? '');

$createdIn = $_POST['start_date'] ?? ($_POST['createdIn'] ?? date('Y-m-d'));
$dueDate   = $_POST['due_date'] ?? ($_POST['dueDate'] ?? date('Y-m-d', strtotime("+30 days", strtotime($createdIn))));
$cancellationDate = $_POST['cancellation_date'] ?? ($_POST['cancellationDate'] ?? "");
$productId = $_POST['product']['id'] ?? ($_POST['productId'] ?? "1");
$productName = $_POST['product']['name'] ?? ($_POST['productName'] ?? "Mundo Verde");
$productPlanId = $_POST['product_plan']['id'] ?? ($_POST['productPlanId'] ?? "1");
$productPlanName = $_POST['product_plan']['name'] ?? ($_POST['productPlanName'] ?? "MUNDO VERDE 30D FREE");
$productPlanPrice = $_POST['product_plan']['price'] ?? ($_POST['productPlanPrice'] ?? 0.00);
$productPlanFrequency = $_POST['product_plan']['frequency'] ?? ($_POST['productPlanFrequency'] ?? "MONTHLY");


$createdTs = strtotime($createdIn);
if ($createdTs === false) { $createdTs = time(); }
$startIso = gmdate('Y-m-d\TH:i:s\Z', $createdTs);
$dueIso   = gmdate('Y-m-d\TH:i:s\Z', strtotime('+30 days', $createdTs));

// Create logs directory if not exists
$logDir = __DIR__ . '/logs';
if (!is_dir($logDir)) {
    mkdir($logDir, 0777, true);
}

// Generate log filename
$logFile = $logDir . '/netdeal_' . date('Y-m-d_H-i-s') . '.txt';

// Prepare log content
$logContent = "==== Netdeal API Request Log ====\n";
$logContent .= "Timestamp: " . date('Y-m-d H:i:s') . "\n\n";
$logContent .= "--- Raw Input ---\n" . $rawInput . "\n\n";
$logContent .= "--- Parsed POST ---\n" . print_r($_POST, true) . "\n\n";
$logContent .= "--- Payload Sent to Netdeal ---\n" . print_r($data, true) . "\n\n";

// Write initial log before sending
file_put_contents($logFile, $logContent, FILE_APPEND);

$data = [
    "identifier"        => $id,
    "status"            => "ACTIVE",
    "start_date"        => $startIso,
    "due_date"          => $dueIso,
    "cancellation_date" => $cancellationDate,
    "product" => [
        "id"   => $productId,
        "name" => $productName
    ],
    "product_plan" => [
        "id"        => $productPlanId,
        "name"      => $productPlanName,
        "price"     => (float)$productPlanPrice,
        "frequency" => $productPlanFrequency
    ],
    "customer" => [
        "email"      => $email,
        "name"       => $nome,
        "cellphone"  => $telefone,
        "cpf"        => $cpf // mantém com formatação
    ]
];

$url = "https://www.netdeal.com.br/open/integration/netdeal/D81429450760DFDFB/webhook/subscription/sync";

$headers = [
    "Content-Type: application/json",
    "Accept: application/json",
    "Api-Token: $2a$10$0DpxoMuEWrV9iY.4R6sjO.qYh9Ti4UIgvtmUTOJRzIx8r6WqYK8Ci"
];

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));


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

// Append API response to the log
$logContent = "--- API Response ---\n";
$logContent .= "HTTP Code: " . $httpcode . "\n";
$logContent .= "Response: " . $response . "\n";
file_put_contents($logFile, $logContent, FILE_APPEND);

curl_close($ch);

header('Content-Type: application/json');
echo json_encode([
    "status" => $httpcode,
    "response" => json_decode($response, true)
]);
?>