<?php
/**
 * Batch migration: enkripsi T_OrderDeliveryDestination (email/HP pengiriman hasil)
 * Jalankan via: php scripts/migrate_encrypt_orderdelivery.php
 * Aman dijalankan berulang: skip row yang sudah ada _enc-nya
 */

$env_file = __DIR__ . '/../.env';
if (!file_exists($env_file)) {
    die("ERROR: .env tidak ditemukan\n");
}
foreach (file($env_file, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES) as $l) {
    if (strpos(trim($l), '#') === 0) continue;
    [$k, $v] = array_map('trim', explode('=', $l, 2));
    if ($k !== '') $_ENV[$k] = $v;
}

define('BASEPATH', true);
require __DIR__ . '/../application/libraries/Ibl_encryptor.php';
$enc = new Ibl_encryptor();

include __DIR__ . '/../application/config/database.php';
$cfg = $db['default'];
$pdo = new PDO(
    "mysql:host={$cfg['hostname']};dbname={$cfg['database']};charset=utf8",
    $cfg['username'],
    $cfg['password'],
    [PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]
);

echo "=== Migrasi t_orderdelivery ===\n";
$total = 0;
$stmt  = $pdo->prepare(
    "UPDATE t_orderdelivery SET T_OrderDeliveryDestination_enc = ? WHERE T_OrderDeliveryID = ?"
);

while (true) {
    $rows = $pdo->query(
        "SELECT T_OrderDeliveryID, T_OrderDeliveryDestination
         FROM t_orderdelivery
         WHERE T_OrderDeliveryDestination_enc IS NULL
         LIMIT 500"
    )->fetchAll(PDO::FETCH_ASSOC);

    if (empty($rows)) break;

    foreach ($rows as $row) {
        $stmt->execute([
            $enc->encrypt((string)($row['T_OrderDeliveryDestination'] ?? '')),
            $row['T_OrderDeliveryID'],
        ]);
        $total++;
    }
    echo "  {$total} rows...\n";
}

echo "t_orderdelivery selesai: {$total} rows\n";