<?php
// send-enquiry.php — Delivers website enquiries to digiproductshubs@gmail.com
header('Content-Type: application/json; charset=UTF-8');
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    http_response_code(405);
    echo json_encode(['status' => 'error', 'message' => 'POST method required']);
    exit;
}
$raw = json_decode(file_get_contents('php://input'), true);
$data = is_array($raw) ? array_merge($_POST, $raw) : $_POST;

$name    = strip_tags(trim($data['name'] ?? ''));
$email   = filter_var(trim($data['email'] ?? ''), FILTER_SANITIZE_EMAIL);
$phone   = strip_tags(trim($data['phone'] ?? ''));
$website = strip_tags(trim($data['website'] ?? ''));
$service = strip_tags(trim($data['service'] ?? 'AI SEO Audit'));
$budget  = strip_tags(trim($data['budget'] ?? 'Flexible'));
$message = strip_tags(trim($data['message'] ?? ''));

if (!$name || !filter_var($email, FILTER_VALIDATE_EMAIL)) {
    http_response_code(422);
    echo json_encode(['status' => 'error', 'message' => 'Please provide a valid name and email.']);
    exit;
}

$to      = 'digiproductshubs@gmail.com';
$enqId   = 'ENQ-' . strtoupper(substr(md5(uniqid()), 0, 8));
$subject = "[New AI SEO Enquiry #$enqId] $name - $service";
$headers = "MIME-Version: 1.0\r\nContent-type: text/html; charset=UTF-8\r\nFrom: ListableAI SEO <no-reply@" . ($_SERVER['SERVER_NAME'] ?? 'localhost') . ">\r\nReply-To: $email\r\n";
$body    = "<h2>New Enquiry ($enqId)</h2><p><b>Name:</b> $name<br><b>Email:</b> $email<br><b>Phone:</b> $phone<br><b>Website:</b> $website<br><b>Service:</b> $service<br><b>Budget:</b> $budget<br><b>Message:</b> $message</p>";

@mail($to, $subject, $body, $headers);
echo json_encode([
    'status'     => 'success',
    'enquiry_id' => $enqId,
    'recipient'  => $to,
    'message'    => "Thank you, $name! Your enquiry ($enqId) has been sent to $to."
]);
?>