<?php
include('include/headscript.php');
header('Content-Type: application/json');

$supplier_name = trim($_POST['supplier_name'] ?? '');
$vat = trim($_POST['vat'] ?? '');

if ($supplier_name === '') {
  echo json_encode(['success' => false, 'message' => 'Supplier name required']);
  exit;
}

$db = DBHandlerSelect::getInstance();
$pdo = $db->getConnection();

$stmt = $pdo->prepare("INSERT INTO suppliers (supplier_name, vat) VALUES (?, ?)");
$ok = $stmt->execute([$supplier_name, $vat !== '' ? $vat : null]);

echo json_encode(['success' => (bool)$ok]);