<?php
require_once 'includes/db.php';
require_once 'includes/auth.php';
checkAuth();

header('Content-Type: application/json');
$data = json_decode(file_get_contents('php://input'), true);

if (!$data || empty($data['action']) || empty($data['id'])) {
    die(json_encode(['success' => false, 'error' => 'Brak danych']));
}

$id = (int)$data['id'];
$action = $data['action'];

try {
    if ($action === 'archive') {
        $stmt = $pdo->prepare("UPDATE " . DB_PREFIX . "orders SET is_archived = 1 WHERE id = ?");
        $stmt->execute([$id]);

        $hist = $pdo->prepare("INSERT INTO " . DB_PREFIX . "order_history (order_id, user_id, action) VALUES (?, ?, ?)");
        $hist->execute([$id, $_SESSION['user_id'], 'Przeniesiono zamówienie do archiwum.']);

        echo json_encode(['success' => true]);

    } elseif ($action === 'duplicate') {
        // Pobierz oryginał
        $stmt = $pdo->prepare("SELECT * FROM " . DB_PREFIX . "orders WHERE id = ?");
        $stmt->execute([$id]);
        $orig = $stmt->fetch(PDO::FETCH_ASSOC);

        if (!$orig) {
            die(json_encode(['success' => false, 'error' => 'Nie znaleziono zamówienia']));
        }

        // Zapisz kopię (zawsze jako nowe, nie zarchiwizowane)
        $insert = $pdo->prepare("INSERT INTO " . DB_PREFIX . "orders
            (product_name, part_number, quantity, purchase_place, price_per_unit, delivery_date, notes, recipient, delivery_address, company, status, is_archived)
            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 'nowe', 0)");

        $insert->execute([
            $orig['product_name'] . ' (Kopia)',
            $orig['part_number'],
            $orig['quantity'],
            $orig['purchase_place'],
            $orig['price_per_unit'],
            $orig['delivery_date'],
            $orig['notes'],
            $orig['recipient'],
            $orig['delivery_address'],
            $orig['company']
        ]);

        $new_id = $pdo->lastInsertId();

        $hist = $pdo->prepare("INSERT INTO " . DB_PREFIX . "order_history (order_id, user_id, action) VALUES (?, ?, ?)");
        $hist->execute([$new_id, $_SESSION['user_id'], "Sklonowano na podstawie archiwalnego/starego zamówienia #$id."]);

        echo json_encode(['success' => true]);
    } else {
        echo json_encode(['success' => false, 'error' => 'Nieznana akcja']);
    }
} catch (PDOException $e) {
    echo json_encode(['success' => false, 'error' => $e->getMessage()]);
}
?>