// Shortcode affichage commandes avec filtre
add_shortcode('wc_order_manager', function() {
    if (!is_user_logged_in()) return '<p>Connectez-vous pour voir vos commandes.</p>';

    // Statuts affichés (personnalisés)
    $statuses = [
        'all'          => 'Tous',
        'wc-processing' => 'En préparation',
        'wc-pending'   => 'En attente',
        'wc-cancelled' => 'Annulé',
        'wc-completed' => 'Livré',
        'wc-finished'  => 'Terminé',
    ];

    // HTML Nav-bar filtre
    $html = '<nav class="order-filter">';
    foreach ($statuses as $key => $label) {
        $html .= '<button class="filter-btn" data-status="'.$key.'">'.$label.'</button>';
    }
    $html .= '</nav>';

    // Container commandes (chargées par AJAX)
    $html .= '<div id="orders-container">Chargement des commandes...</div>';

    // Popup détail commande (vide au départ)
    $html .= '
    <div id="order-detail-popup" style="display:none;">
        <div class="popup-content">
            <button id="close-popup">X</button>
            <div id="order-detail-content"></div>
            <div id="order-actions" style="margin-top:20px;">
                <button class="action-btn" data-action="processing">Préparer</button>
                <button class="action-btn" data-action="completed">Livrer</button>
                <button class="action-btn" data-action="cancelled">Annuler</button>
                <button class="action-btn" data-action="finished">Terminer</button>
                <button id="print-order">Imprimer</button>
            </div>
        </div>
    </div>';

    // Styles simples pour la page (tu peux améliorer)
    $html .= '
    <style>
        .order-filter { margin-bottom: 20px; }
        .filter-btn { margin-right: 10px; cursor: pointer; }
        .order-card { border: 1px solid #ccc; padding: 10px; margin-bottom: 10px; }
        #order-detail-popup {
            position: fixed; top:0; left:0; width:100%; height:100%; background: rgba(0,0,0,0.5);
            display: flex; justify-content:center; align-items:center; z-index:1000;
        }
        .popup-content { background: white; padding: 20px; width: 90%; max-width: 600px; position: relative; }
        #close-popup { position: absolute; top: 10px; right: 10px; cursor: pointer; }
        .action-btn { margin-right: 10px; }
    </style>';

    // JS pour gérer filtre, popup, chargement AJAX, actions
    $html .= '
    <script>
    jQuery(document).ready(function($) {
        let currentStatus = "all";

        // Fonction charger commandes
        function loadOrders(status) {
            $("#orders-container").html("Chargement...");
            $.ajax({
                url: "'.admin_url('admin-ajax.php').'",
                method: "POST",
                data: {
                    action: "get_orders",
                    status: status,
                    security: "'.wp_create_nonce('get_orders_nonce').'"
                },
                success: function(res) {
                    if(res.success) {
                        let html = "";
                        if(res.data.length === 0) {
                            html = "<p>Aucune commande.</p>";
                        } else {
                            res.data.forEach(function(order) {
                                html += `<div class="order-card" data-id="${order.id}">
                                    <div><strong>Commande #${order.number}</strong> - <em>${order.status}</em></div>
                                    <div>${order.customer} - ${order.total}</div>
                                    <div><button class="view-detail">Voir détail</button></div>
                                </div>`;
                            });
                        }
                        $("#orders-container").html(html);
                    } else {
                        $("#orders-container").html("<p>Erreur chargement.</p>");
                    }
                },
                error: function() {
                    $("#orders-container").html("<p>Erreur réseau.</p>");
                }
            });
        }

        // Charger au départ
        loadOrders(currentStatus);

        // Filtre clic
        $(".filter-btn").click(function() {
            currentStatus = $(this).data("status");
            loadOrders(currentStatus);
        });

        // Ouvrir popup détail
        $(document).on("click", ".view-detail", function() {
            let orderId = $(this).closest(".order-card").data("id");
            $("#order-detail-content").html("Chargement...");
            $("#order-detail-popup").show();

            $.ajax({
                url: "'.admin_url('admin-ajax.php').'",
                method: "POST",
                data: {
                    action: "get_order_detail",
                    order_id: orderId,
                    security: "'.wp_create_nonce('get_order_detail_nonce').'"
                },
                success: function(res) {
                    if(res.success) {
                        $("#order-detail-content").html(res.data.html);
                        // Stocker order_id sur actions
                        $(".action-btn").data("order", orderId);
                        $("#print-order").data("order", orderId);
                    } else {
                        $("#order-detail-content").html("<p>Erreur chargement détails.</p>");
                    }
                }
            });
        });

        // Fermer popup
        $("#close-popup").click(function() {
            $("#order-detail-popup").hide();
        });

        // Actions statut
        $(".action-btn").click(function() {
            let orderId = $(this).data("order");
            let action = $(this).data("action");
            if (!orderId) return;
            $.ajax({
                url: "'.admin_url('admin-ajax.php').'",
                method: "POST",
                data: {
                    action: "update_order_status",
                    order_id: orderId,
                    new_status: action,
                    security: "'.wp_create_nonce('update_order_status_nonce').'"
                },
                success: function(res) {
                    if(res.success) {
                        alert("Statut mis à jour !");
                        $("#order-detail-popup").hide();
                        loadOrders(currentStatus);
                    } else {
                        alert("Erreur mise à jour.");
                    }
                }
            });
        });

        // Imprimer
        $("#print-order").click(function() {
            let content = $("#order-detail-content").html();
            let w = window.open();
            w.document.write("<pre>" + content + "</pre>");
            w.document.close();
            w.print();
        });
    });
    </script>';

    return $html;
});


// AJAX pour récupérer les commandes filtrées
add_action('wp_ajax_get_orders', function() {
    check_ajax_referer('get_orders_nonce', 'security');
    $status = sanitize_text_field($_POST['status']);

    $args = [
        'limit' => 20,
        'orderby' => 'date',
        'order' => 'DESC',
    ];
    if ($status !== 'all') {
        $args['status'] = str_replace('wc-', '', $status);
    }

    $orders = wc_get_orders($args);
    $data = [];
    foreach ($orders as $order) {
        $data[] = [
            'id' => $order->get_id(),
            'number' => $order->get_order_number(),
            'status' => wc_get_order_status_name($order->get_status()),
            'customer' => $order->get_billing_first_name() . ' ' . $order->get_billing_last_name(),
            'total' => $order->get_formatted_order_total(),
        ];
    }
    wp_send_json_success($data);
});

// AJAX pour récupérer le détail complet d’une commande
add_action('wp_ajax_get_order_detail', function() {
    check_ajax_referer('get_order_detail_nonce', 'security');
    $order_id = intval($_POST['order_id']);
    $order = wc_get_order($order_id);
    if (!$order) wp_send_json_error();

    ob_start();
    echo '<h2>Détail commande #'.$order->get_order_number().'</h2><ul>';

    foreach ($order->get_items() as $item_id => $item) {
        $product = $item->get_product();
        echo '<li>';
        echo $product ? esc_html($product->get_name()) : esc_html($item->get_name());
        echo ' - Qté : ' . $item->get_quantity();
        echo ' - Prix : ' . wc_price($item->get_total());
        
        // Afficher suppléments & extras (exemple avec meta data)
        $meta = $item->get_meta_data();
        if (!empty($meta)) {
            echo '<ul>';
            foreach ($meta as $m) {
                $key = $m->key;
                $value = $m->value;
                if (stripos($key, 'supplément') !== false || stripos($key, 'extra') !== false) {
                    echo '<li>' . esc_html($key) . ' : ' . esc_html($value) . '</li>';
                }
            }
            echo '</ul>';
        }
        echo '</li>';
    }
    echo '</ul>';

    echo '<hr>';
    echo '<p><strong>Sous-total :</strong> ' . $order->get_subtotal_to_display() . '</p>';
    echo '<p><strong>TVA :</strong> ' . wc_price($order->get_total_tax()) . '</p>';
    $coupons = $order->get_items('coupon');
    if ($coupons) {
        echo '<p><strong>Coupon appliqué :</strong> ';
        foreach ($coupons as $coupon) {
            echo esc_html($coupon->get_name()) . ' ';
        }
        echo '</p>';
    }
    echo '<p><strong>Total :</strong> ' . $order->get_formatted_order_total() . '</p>';

    echo '<hr>';
    echo '<p><strong>Adresse livraison :</strong> ' . $order->get_shipping_address_1() . ', ' . $order->get_shipping_city() . '</p>';
    echo '<p><strong>Téléphone :</strong> ' . $order->get_billing_phone() . '</p>';

    $html = ob_get_clean();
    wp_send_json_success(['html' => $html]);
});


// AJAX mise à jour statut commande
add_action('wp_ajax_update_order_status', function() {
    check_ajax_referer('update_order_status_nonce', 'security');
    $order_id = intval($_POST['order_id']);
    $new_status = sanitize_text_field($_POST['new_status']);

    $order = wc_get_order($order_id);
    if (!$order) wp_send_json_error();

    // On autorise uniquement certains statuts
    $allowed_status = ['processing', 'completed', 'cancelled', 'finished'];
    if (!in_array($new_status, $allowed_status)) wp_send_json_error();

    // Mise à jour statut
    $order->update_status($new_status, 'Statut mis à jour via front-end.');
    wp_send_json_success();
});
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