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

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

$data = json_decode(file_get_contents('php://input'), true);

$iddatadb = $data['iddatadb'] ?? null;
$parts = $data['parts'] ?? [];

if (!$iddatadb || empty($parts)) {
    echo json_encode(['success' => false, 'message' => 'Dati mancanti']);
    exit;
}

$part = $parts[0];
$partId = $part['id'] ?? null;
$idmatrice = $part['idmatrice'] ?? null;

if (!$partId) {
    echo json_encode(['success' => false, 'message' => 'ID della parte mancante']);
    exit;
}

try {
    $stmt = $pdo->prepare("UPDATE identification_parts 
                           SET idmatrice = :idmatrice, updated_at = NOW() 
                           WHERE id = :id AND iddatadb = :iddatadb");
    $stmt->execute([
        ':idmatrice' => $idmatrice,
        ':id' => $partId,
        ':iddatadb' => $iddatadb
    ]);

    if ($stmt->rowCount() > 0) {
        echo json_encode(['success' => true, 'message' => 'Matrice salvata con successo']);
    } else {
        echo json_encode(['success' => false, 'message' => 'Nessuna riga aggiornata. Verifica l\'ID della parte.']);
    }
} catch (PDOException $e) {
    echo json_encode(['success' => false, 'message' => 'Errore nel salvataggio della matrice: ' . $e->getMessage()]);
}