<?php
/**
 * Interface d'administration pour la gestion des transactions B-PAY
 * Compatible avec HPOS (High Performance Order Storage)
 * 
 * @package Bankily_BPay
 * @version 1.0.1
 */

// Empêcher l'accès direct
if (!defined('ABSPATH')) {
    exit;
}

// Hooks d'initialisation de l'administration
add_action('admin_menu', 'bankily_bpay_admin_menu');
add_action('admin_enqueue_scripts', 'bankily_bpay_admin_scripts');

// Hooks AJAX
add_action('wp_ajax_bankily_check_transaction', 'bankily_ajax_check_transaction');
add_action('wp_ajax_bankily_bulk_check', 'bankily_ajax_bulk_check');
add_action('wp_ajax_bankily_bulk_mark_failed', 'bankily_ajax_bulk_mark_failed');
add_action('wp_ajax_bankily_export_transactions', 'bankily_ajax_export_transactions');
add_action('wp_ajax_bankily_clean_old_transactions', 'bankily_ajax_clean_old_transactions');
add_action('wp_ajax_bankily_ping', 'bankily_ajax_ping');

// Hooks pour les fonctionnalités supplémentaires
add_action('wp_dashboard_setup', 'bankily_add_dashboard_widget');
add_action('admin_bar_menu', 'bankily_admin_bar_notification', 100);
// Hooks pour les colonnes WooCommerce (compatibilité HPOS)
if (class_exists('\Automattic\WooCommerce\Utilities\OrderUtil') && \Automattic\WooCommerce\Utilities\OrderUtil::custom_orders_table_usage_is_enabled()) {
    // HPOS activé - utiliser les nouveaux hooks
    add_filter('manage_woocommerce_page_wc-orders_columns', 'bankily_add_order_column');
    add_action('manage_woocommerce_page_wc-orders_custom_column', 'bankily_show_order_column_content_hpos', 10, 2);
} else {
    // HPOS désactivé - utiliser les anciens hooks
    add_filter('manage_edit-shop_order_columns', 'bankily_add_order_column');
    add_action('manage_shop_order_posts_custom_column', 'bankily_show_order_column_content', 10, 2);
}
add_action('admin_head', 'bankily_admin_order_list_css');

// Hook pour la vérification automatique
add_action('bankily_auto_check_transactions', 'bankily_auto_check_pending_transactions');
add_action('bankily_daily_report', 'bankily_generate_daily_report');

/**
 * Fonctions utilitaires pour la compatibilité HPOS
 */

/**
 * Obtenir les détails d'une commande de manière compatible HPOS
 */
function bankily_get_order_data($order_id) {
    $order = wc_get_order($order_id);
    if (!$order) {
        return null;
    }
    
    return array(
        'id' => $order->get_id(),
        'status' => $order->get_status(),
        'date' => $order->get_date_created(),
        'total' => $order->get_total()
    );
}

/**
 * Obtenir les transactions avec les détails des commandes (compatible HPOS)
 */
function bankily_get_transactions_with_orders($where_clause = '', $limit_clause = '') {
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    // Récupérer d'abord les transactions
    $sql = "SELECT * FROM $table_name";
    if ($where_clause) {
        $sql .= " WHERE $where_clause";
    }
    $sql .= " ORDER BY created_at DESC";
    if ($limit_clause) {
        $sql .= " $limit_clause";
    }
    
    $transactions = $wpdb->get_results($sql);
    
    // Enrichir avec les données des commandes via WooCommerce
    foreach ($transactions as $transaction) {
        $order_data = bankily_get_order_data($transaction->order_id);
        if ($order_data) {
            $transaction->order_status = $order_data['status'];
            $transaction->order_date = $order_data['date'];
            $transaction->order_total = $order_data['total'];
        } else {
            $transaction->order_status = 'not_found';
            $transaction->order_date = null;
            $transaction->order_total = 0;
        }
    }
    
    return $transactions;
}

/**
 * Créer le menu d'administration
 */
function bankily_bpay_admin_menu() {
    add_menu_page(
        __('B-PAY Transactions', 'bankily-bpay'),
        __('B-PAY Transactions', 'bankily-bpay'),
        'manage_woocommerce',
        'bankily-transactions',
        'bankily_bpay_admin_page',
        'dashicons-money-alt',
        56
    );
    
    add_submenu_page(
        'bankily-transactions',
        __('Tableau de bord', 'bankily-bpay'),
        __('Tableau de bord', 'bankily-bpay'),
        'manage_woocommerce',
        'bankily-transactions',
        'bankily_bpay_admin_page'
    );
    
    add_submenu_page(
        'bankily-transactions',
        __('Transactions en attente', 'bankily-bpay'),
        __('En attente', 'bankily-bpay'),
        'manage_woocommerce',
        'bankily-pending',
        'bankily_bpay_pending_page'
    );
    
    add_submenu_page(
        'bankily-transactions',
        __('Paramètres avancés', 'bankily-bpay'),
        __('Paramètres', 'bankily-bpay'),
        'manage_woocommerce',
        'bankily-settings',
        'bankily_bpay_settings_page'
    );
}

/**
 * Charger les scripts d'administration
 */
function bankily_bpay_admin_scripts($hook) {
    if (strpos($hook, 'bankily') === false) {
        return;
    }
    
    wp_enqueue_script('jquery');
    wp_enqueue_script('bankily-admin', BANKILY_BPAY_PLUGIN_URL . 'assets/bankily-admin.js', array('jquery'), BANKILY_BPAY_VERSION, true);
    wp_enqueue_style('bankily-admin', BANKILY_BPAY_PLUGIN_URL . 'assets/bankily-admin.css', array(), BANKILY_BPAY_VERSION);
    
    wp_localize_script('bankily-admin', 'bankily_admin_ajax', array(
        'ajax_url' => admin_url('admin-ajax.php'),
        'nonce' => wp_create_nonce('bankily_admin_nonce'),
        'strings' => array(
            'checking' => __('Vérification en cours...', 'bankily-bpay'),
            'success' => __('Succès', 'bankily-bpay'),
            'failed' => __('Échec', 'bankily-bpay'),
            'pending' => __('En attente', 'bankily-bpay'),
            'error' => __('Erreur', 'bankily-bpay'),
            'confirm_bulk' => __('Êtes-vous sûr de vouloir vérifier toutes les transactions sélectionnées ?', 'bankily-bpay')
        )
    ));
}

/**
 * Page principale du tableau de bord
 */
function bankily_bpay_admin_page() {
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    // Statistiques générales
    $stats = $wpdb->get_row("
        SELECT 
            COUNT(*) as total,
            SUM(CASE WHEN status = 'TS' THEN 1 ELSE 0 END) as success,
            SUM(CASE WHEN status = 'TF' THEN 1 ELSE 0 END) as failed,
            SUM(CASE WHEN status = 'TA' THEN 1 ELSE 0 END) as pending,
            SUM(CASE WHEN status = 'TS' THEN amount ELSE 0 END) as total_amount
        FROM $table_name 
        WHERE created_at >= DATE_SUB(NOW(), INTERVAL 30 DAY)
    ");
    
    // Transactions récentes (compatible HPOS)
    $recent_transactions = bankily_get_transactions_with_orders('', 'LIMIT 20');
    
    ?>
    <div class="wrap">
        <h1><?php _e('Tableau de bord B-PAY', 'bankily-bpay'); ?></h1>
        
        <!-- Statistiques -->
        <div class="bankily-stats-grid">
            <div class="bankily-stat-card total">
                <h3><?php echo number_format($stats->total); ?></h3>
                <p><?php _e('Total transactions (30j)', 'bankily-bpay'); ?></p>
            </div>
            <div class="bankily-stat-card success">
                <h3><?php echo number_format($stats->success); ?></h3>
                <p><?php _e('Succès', 'bankily-bpay'); ?></p>
            </div>
            <div class="bankily-stat-card pending">
                <h3><?php echo number_format($stats->pending); ?></h3>
                <p><?php _e('En attente', 'bankily-bpay'); ?></p>
            </div>
            <div class="bankily-stat-card failed">
                <h3><?php echo number_format($stats->failed); ?></h3>
                <p><?php _e('Échecs', 'bankily-bpay'); ?></p>
            </div>
            <div class="bankily-stat-card amount">
                <h3><?php echo number_format($stats->total_amount, 0, ',', ' '); ?> MRU</h3>
                <p><?php _e('Montant total (succès)', 'bankily-bpay'); ?></p>
            </div>
        </div>
        
        <!-- Actions rapides -->
        <div class="bankily-quick-actions">
            <h2><?php _e('Actions rapides', 'bankily-bpay'); ?></h2>
            <div class="bankily-action-buttons">
                <button class="button button-primary" onclick="bankilyCheckAllPending()">
                    <?php _e('Vérifier toutes les transactions en attente', 'bankily-bpay'); ?>
                </button>
                <a href="<?php echo admin_url('admin.php?page=bankily-pending'); ?>" class="button">
                    <?php _e('Voir les transactions en attente', 'bankily-bpay'); ?>
                </a>
                <button class="button" onclick="bankilyExportTransactions()">
                    <?php _e('Exporter les données', 'bankily-bpay'); ?>
                </button>
            </div>
        </div>
        
        <!-- Transactions récentes -->
        <div class="bankily-recent-transactions">
            <h2><?php _e('Transactions récentes', 'bankily-bpay'); ?></h2>
            <?php bankily_render_transactions_table($recent_transactions, false); ?>
        </div>
    </div>
    <?php
}

/**
 * Page des transactions en attente
 */
function bankily_bpay_pending_page() {
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    // Pagination
    $per_page = 50;
    $current_page = isset($_GET['paged']) ? max(1, intval($_GET['paged'])) : 1;
    $offset = ($current_page - 1) * $per_page;
    
    // Filtres
    $where_clause = "WHERE status = 'TA'";
    $search = isset($_GET['search']) ? sanitize_text_field($_GET['search']) : '';
    
    if ($search) {
        $where_clause .= $wpdb->prepare(" AND (operation_id LIKE %s OR client_phone LIKE %s OR order_id LIKE %s)", 
            '%' . $search . '%', '%' . $search . '%', '%' . $search . '%');
    }
    
    // Compter le total
    $total_items = $wpdb->get_var("SELECT COUNT(*) FROM $table_name $where_clause");
    $total_pages = ceil($total_items / $per_page);
    
    // Récupérer les transactions (compatible HPOS)
    $pending_transactions = bankily_get_transactions_with_orders(
        "status = 'TA'" . ($search ? $wpdb->prepare(" AND (operation_id LIKE %s OR client_phone LIKE %s OR order_id LIKE %s)", 
            '%' . $search . '%', '%' . $search . '%', '%' . $search . '%') : ''),
        $wpdb->prepare("LIMIT %d OFFSET %d", $per_page, $offset)
    );
    
    ?>
    <div class="wrap">
        <h1><?php _e('Transactions en attente', 'bankily-bpay'); ?></h1>
        
        <!-- Barre de recherche et filtres -->
        <div class="bankily-filters">
            <form method="get" action="">
                <input type="hidden" name="page" value="bankily-pending">
                <div class="bankily-search-box">
                    <input type="text" name="search" value="<?php echo esc_attr($search); ?>" 
                           placeholder="<?php _e('Rechercher par ID opération, téléphone ou commande...', 'bankily-bpay'); ?>">
                    <button type="submit" class="button"><?php _e('Rechercher', 'bankily-bpay'); ?></button>
                    <?php if ($search): ?>
                        <a href="<?php echo admin_url('admin.php?page=bankily-pending'); ?>" class="button">
                            <?php _e('Effacer', 'bankily-bpay'); ?>
                        </a>
                    <?php endif; ?>
                </div>
            </form>
        </div>
        
        <!-- Actions en lot -->
        <div class="bankily-bulk-actions">
            <div class="alignleft actions">
                <select name="bulk-action" id="bulk-action-selector-top">
                    <option value=""><?php _e('Actions groupées', 'bankily-bpay'); ?></option>
                    <option value="check"><?php _e('Vérifier les transactions', 'bankily-bpay'); ?></option>
                    <option value="mark-failed"><?php _e('Marquer comme échouées', 'bankily-bpay'); ?></option>
                </select>
                <button type="button" class="button action" onclick="bankilyBulkAction()">
                    <?php _e('Appliquer', 'bankily-bpay'); ?>
                </button>
            </div>
            <div class="alignright">
                <span class="displaying-num">
                    <?php printf(__('%d éléments', 'bankily-bpay'), $total_items); ?>
                </span>
            </div>
        </div>
        
        <!-- Tableau des transactions -->
        <?php bankily_render_transactions_table($pending_transactions, true); ?>
        
        <!-- Pagination -->
        <?php if ($total_pages > 1): ?>
            <div class="bankily-pagination">
                <?php
                echo paginate_links(array(
                    'base' => add_query_arg('paged', '%#%'),
                    'format' => '',
                    'prev_text' => __('&laquo; Précédent', 'bankily-bpay'),
                    'next_text' => __('Suivant &raquo;', 'bankily-bpay'),
                    'current' => $current_page,
                    'total' => $total_pages,
                ));
                ?>
            </div>
        <?php endif; ?>
    </div>
    <?php
}

/**
 * Afficher le tableau des transactions
 */
function bankily_render_transactions_table($transactions, $show_bulk = false) {
    ?>
    <form method="post" id="bankily-transactions-form">
        <table class="wp-list-table widefat fixed striped">
            <thead>
                <tr>
                    <?php if ($show_bulk): ?>
                        <td class="manage-column column-cb check-column">
                            <input type="checkbox" id="cb-select-all">
                        </td>
                    <?php endif; ?>
                    <th><?php _e('ID Opération', 'bankily-bpay'); ?></th>
                    <th><?php _e('Commande', 'bankily-bpay'); ?></th>
                    <th><?php _e('Téléphone', 'bankily-bpay'); ?></th>
                    <th><?php _e('Montant', 'bankily-bpay'); ?></th>
                    <th><?php _e('Statut', 'bankily-bpay'); ?></th>
                    <th><?php _e('Créé le', 'bankily-bpay'); ?></th>
                    <th><?php _e('Dernière vérif.', 'bankily-bpay'); ?></th>
                    <th><?php _e('Tentatives', 'bankily-bpay'); ?></th>
                    <th><?php _e('Actions', 'bankily-bpay'); ?></th>
                </tr>
            </thead>
            <tbody>
                <?php if (empty($transactions)): ?>
                    <tr>
                        <td colspan="<?php echo $show_bulk ? '9' : '8'; ?>" class="no-items">
                            <?php _e('Aucune transaction trouvée.', 'bankily-bpay'); ?>
                        </td>
                    </tr>
                <?php else: ?>
                    <?php foreach ($transactions as $transaction): ?>
                        <tr id="transaction-<?php echo $transaction->id; ?>" class="transaction-row">
                            <?php if ($show_bulk): ?>
                                <th class="check-column">
                                    <input type="checkbox" name="transaction_ids[]" value="<?php echo $transaction->id; ?>">
                                </th>
                            <?php endif; ?>
                            <td class="operation-id">
                                <strong><?php echo esc_html($transaction->operation_id); ?></strong>
                                <?php if ($transaction->transaction_id): ?>
                                    <br><small>TXN: <?php echo esc_html($transaction->transaction_id); ?></small>
                                <?php endif; ?>
                            </td>
                            <td>
                                <a href="<?php echo admin_url('post.php?post=' . $transaction->order_id . '&action=edit'); ?>">
                                    #<?php echo $transaction->order_id; ?>
                                </a>
                                <br><small class="order-status-<?php echo $transaction->order_status; ?>">
                                    <?php echo ucfirst($transaction->order_status); ?>
                                </small>
                            </td>
                            <td><?php echo esc_html($transaction->client_phone); ?></td>
                            <td><?php echo number_format($transaction->amount, 0, ',', ' '); ?> MRU</td>
                            <td>
                                <span class="bankily-status bankily-status-<?php echo strtolower($transaction->status); ?>">
                                    <?php echo bankily_get_status_label($transaction->status); ?>
                                </span>
                                <?php if ($transaction->error_message): ?>
                                    <br><small class="error-message" title="<?php echo esc_attr($transaction->error_message); ?>">
                                        <?php echo esc_html(substr($transaction->error_message, 0, 50)) . '...'; ?>
                                    </small>
                                <?php endif; ?>
                            </td>
                            <td>
                                <?php echo date_i18n('d/m/Y H:i', strtotime($transaction->created_at)); ?>
                            </td>
                            <td>
                                <?php 
                                if ($transaction->last_checked != $transaction->created_at) {
                                    echo date_i18n('d/m/Y H:i', strtotime($transaction->last_checked));
                                } else {
                                    echo '-';
                                }
                                ?>
                            </td>
                            <td><?php echo $transaction->check_count; ?></td>
                            <td class="actions">
                                <button type="button" class="button button-small" 
                                        onclick="bankilyCheckTransaction('<?php echo $transaction->operation_id; ?>', <?php echo $transaction->id; ?>)">
                                    <?php _e('Vérifier', 'bankily-bpay'); ?>
                                </button>
                                <?php if ($transaction->status == 'TA' && $transaction->check_count > 3): ?>
                                    <br>
                                    <button type="button" class="button button-small button-link-delete" 
                                            onclick="bankilyMarkAsFailed(<?php echo $transaction->id; ?>)">
                                        <?php _e('Marquer échec', 'bankily-bpay'); ?>
                                    </button>
                                <?php endif; ?>
                            </td>
                        </tr>
                    <?php endforeach; ?>
                <?php endif; ?>
            </tbody>
        </table>
    </form>
    <?php
}

/**
 * Obtenir le libellé du statut
 */
function bankily_get_status_label($status) {
    $labels = array(
        'TS' => __('Succès', 'bankily-bpay'),
        'TF' => __('Échec', 'bankily-bpay'),
        'TA' => __('En attente', 'bankily-bpay'),
    );
    
    return isset($labels[$status]) ? $labels[$status] : $status;
}

/**
 * Page des paramètres avancés
 */
function bankily_bpay_settings_page() {
    // Traitement de la sauvegarde
    if (isset($_POST['submit'])) {
        update_option('bankily_auto_check_interval', intval($_POST['auto_check_interval']));
        update_option('bankily_max_check_attempts', intval($_POST['max_check_attempts']));
        update_option('bankily_auto_mark_failed', isset($_POST['auto_mark_failed']));
        
        echo '<div class="notice notice-success"><p>' . __('Paramètres sauvegardés.', 'bankily-bpay') . '</p></div>';
    }
    
    $auto_check_interval = get_option('bankily_auto_check_interval', 15);
    $max_check_attempts = get_option('bankily_max_check_attempts', 5);
    $auto_mark_failed = get_option('bankily_auto_mark_failed', false);
    
    ?>
    <div class="wrap">
        <h1><?php _e('Paramètres avancés B-PAY', 'bankily-bpay'); ?></h1>
        
        <form method="post" action="">
            <table class="form-table">
                <tr>
                    <th scope="row"><?php _e('Intervalle de vérification automatique', 'bankily-bpay'); ?></th>
                    <td>
                        <input type="number" name="auto_check_interval" value="<?php echo $auto_check_interval; ?>" min="5" max="60"> 
                        <?php _e('minutes', 'bankily-bpay'); ?>
                        <p class="description">
                            <?php _e('Fréquence de vérification automatique des transactions en attente (via cron).', 'bankily-bpay'); ?>
                        </p>
                    </td>
                </tr>
                <tr>
                    <th scope="row"><?php _e('Nombre maximum de tentatives', 'bankily-bpay'); ?></th>
                    <td>
                        <input type="number" name="max_check_attempts" value="<?php echo $max_check_attempts; ?>" min="3" max="20">
                        <p class="description">
                            <?php _e('Nombre de tentatives de vérification avant d\'abandonner.', 'bankily-bpay'); ?>
                        </p>
                    </td>
                </tr>
                <tr>
                    <th scope="row"><?php _e('Marquage automatique des échecs', 'bankily-bpay'); ?></th>
                    <td>
                        <label>
                            <input type="checkbox" name="auto_mark_failed" <?php checked($auto_mark_failed); ?>>
                            <?php _e('Marquer automatiquement comme échouées après le nombre maximum de tentatives', 'bankily-bpay'); ?>
                        </label>
                    </td>
                </tr>
            </table>
            
            <?php submit_button(); ?>
        </form>
        
        <h2><?php _e('Maintenance', 'bankily-bpay'); ?></h2>
        <table class="form-table">
            <tr>
                <th scope="row"><?php _e('Nettoyage des données', 'bankily-bpay'); ?></th>
                <td>
                    <button type="button" class="button" onclick="bankilyCleanOldTransactions()">
                        <?php _e('Supprimer les transactions de plus de 6 mois', 'bankily-bpay'); ?>
                    </button>
                    <p class="description">
                        <?php _e('Supprime les enregistrements de transactions anciennes pour optimiser les performances.', 'bankily-bpay'); ?>
                    </p>
                </td>
            </tr>
        </table>
    </div>
    <?php
}

// ============================================================================
// FONCTIONS AJAX
// ============================================================================

/**
 * AJAX: Vérifier une transaction individuelle
 */
function bankily_ajax_check_transaction() {
    check_ajax_referer('bankily_admin_nonce', 'nonce');
    
    if (!current_user_can('manage_woocommerce')) {
        wp_die(__('Permissions insuffisantes.', 'bankily-bpay'));
    }
    
    $operation_id = sanitize_text_field($_POST['operation_id']);
    $transaction_id = intval($_POST['transaction_id']);
    
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    // Obtenir les détails de la transaction
    $transaction = $wpdb->get_row($wpdb->prepare(
        "SELECT * FROM $table_name WHERE id = %d", 
        $transaction_id
    ));
    
    if (!$transaction) {
        wp_send_json_error(__('Transaction non trouvée.', 'bankily-bpay'));
    }
    
    // Créer une instance de la gateway pour utiliser check_transaction
    $gateway = new WC_Bankily_BPay_Gateway();
    $result = $gateway->check_transaction($operation_id);
    
    if ($result && $result['errorCode'] == '0') {
        // Mettre à jour la transaction
        $wpdb->update(
            $table_name,
            array(
                'status' => $result['status'],
                'transaction_id' => $result['transactionId'],
                'last_checked' => current_time('mysql'),
                'check_count' => $transaction->check_count + 1,
                'error_code' => $result['errorCode'],
                'error_message' => isset($result['errorMessage']) ? $result['errorMessage'] : ''
            ),
            array('id' => $transaction_id)
        );
        
        // Si transaction réussie, mettre à jour la commande WooCommerce
        if ($result['status'] == 'TS') {
            $order = wc_get_order($transaction->order_id);
            if ($order) {
                $order->payment_complete($result['transactionId']);
                $order->add_order_note(__('Paiement B-PAY confirmé via vérification manuelle. ID Transaction: ' . $result['transactionId'], 'bankily-bpay'));
            }
        }
        
        wp_send_json_success(array(
            'status' => $result['status'],
            'status_label' => bankily_get_status_label($result['status']),
            'transaction_id' => $result['transactionId'],
            'message' => __('Transaction vérifiée avec succès.', 'bankily-bpay')
        ));
    } else {
        // Mettre à jour le compteur même en cas d'erreur
        $wpdb->update(
            $table_name,
            array(
                'last_checked' => current_time('mysql'),
                'check_count' => $transaction->check_count + 1,
                'error_code' => isset($result['errorCode']) ? $result['errorCode'] : '1',
                'error_message' => isset($result['errorMessage']) ? $result['errorMessage'] : __('Erreur de vérification', 'bankily-bpay')
            ),
            array('id' => $transaction_id)
        );
        
        wp_send_json_error(isset($result['errorMessage']) ? $result['errorMessage'] : __('Erreur lors de la vérification.', 'bankily-bpay'));
    }
}

/**
 * AJAX: Vérification en lot
 */
function bankily_ajax_bulk_check() {
    check_ajax_referer('bankily_admin_nonce', 'nonce');
    
    if (!current_user_can('manage_woocommerce')) {
        wp_die(__('Permissions insuffisantes.', 'bankily-bpay'));
    }
    
    $transaction_ids = array_map('intval', $_POST['transaction_ids']);
    
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    $gateway = new WC_Bankily_BPay_Gateway();
    $results = array();
    
    foreach ($transaction_ids as $transaction_id) {
        $transaction = $wpdb->get_row($wpdb->prepare(
            "SELECT * FROM $table_name WHERE id = %d", 
            $transaction_id
        ));
        
        if ($transaction) {
            $result = $gateway->check_transaction($transaction->operation_id);
            
            if ($result && $result['errorCode'] == '0') {
                $wpdb->update(
                    $table_name,
                    array(
                        'status' => $result['status'],
                        'transaction_id' => $result['transactionId'],
                        'last_checked' => current_time('mysql'),
                        'check_count' => $transaction->check_count + 1,
                        'error_code' => $result['errorCode'],
                        'error_message' => isset($result['errorMessage']) ? $result['errorMessage'] : ''
                    ),
                    array('id' => $transaction_id)
                );
                
                if ($result['status'] == 'TS') {
                    $order = wc_get_order($transaction->order_id);
                    if ($order) {
                        $order->payment_complete($result['transactionId']);
                        $order->add_order_note(__('Paiement B-PAY confirmé via vérification groupée.', 'bankily-bpay'));
                    }
                }
                
                $results[] = array(
                    'id' => $transaction_id,
                    'status' => 'success',
                    'new_status' => $result['status']
                );
            } else {
                $results[] = array(
                    'id' => $transaction_id,
                    'status' => 'error',
                    'message' => isset($result['errorMessage']) ? $result['errorMessage'] : __('Erreur de vérification', 'bankily-bpay')
                );
            }
        }
    }
    
    wp_send_json_success($results);
}

/**
 * AJAX: Marquer comme échouées en lot
 */
function bankily_ajax_bulk_mark_failed() {
    check_ajax_referer('bankily_admin_nonce', 'nonce');
    
    if (!current_user_can('manage_woocommerce')) {
        wp_die(__('Permissions insuffisantes.', 'bankily-bpay'));
    }
    
    $transaction_ids = array_map('intval', $_POST['transaction_ids']);
    
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    $updated = 0;
    foreach ($transaction_ids as $transaction_id) {
        $result = $wpdb->update(
            $table_name,
            array(
                'status' => 'TF',
                'last_checked' => current_time('mysql'),
                'error_message' => __('Marqué comme échoué manuellement', 'bankily-bpay')
            ),
            array('id' => $transaction_id)
        );
        
        if ($result) {
            $updated++;
            
            // Mettre à jour la commande WooCommerce
            $transaction = $wpdb->get_row($wpdb->prepare(
                "SELECT order_id FROM $table_name WHERE id = %d", 
                $transaction_id
            ));
            
            if ($transaction) {
                $order = wc_get_order($transaction->order_id);
                if ($order && $order->get_status() == 'on-hold') {
                    $order->update_status('failed', __('Paiement B-PAY marqué comme échoué manuellement.', 'bankily-bpay'));
                }
            }
        }
    }
    
    wp_send_json_success(array(
        'updated' => $updated,
        'message' => sprintf(__('%d transactions marquées comme échouées.', 'bankily-bpay'), $updated)
    ));
}

/**
 * AJAX: Exporter les transactions (compatible HPOS)
 */
function bankily_ajax_export_transactions() {
    check_ajax_referer('bankily_admin_nonce', 'nonce');
    
    if (!current_user_can('manage_woocommerce')) {
        wp_die(__('Permissions insuffisantes.', 'bankily-bpay'));
    }
    
    // Récupérer les données avec compatibilité HPOS
    $transactions = bankily_get_transactions_with_orders();
    
    // Headers pour le téléchargement CSV
    header('Content-Type: text/csv; charset=utf-8');
    header('Content-Disposition: attachment; filename="bankily-transactions-' . date('Y-m-d') . '.csv"');
    
    $output = fopen('php://output', 'w');
    fprintf($output, chr(0xEF).chr(0xBB).chr(0xBF)); // BOM UTF-8
    
    // En-têtes du CSV
    fputcsv($output, array(
        'ID Transaction',
        'ID Commande',
        'ID Opération',
        'Téléphone Client',
        'Montant (MRU)',
        'Statut Transaction',
        'Statut Commande',
        'Code Erreur',
        'Message Erreur',
        'Créé le',
        'Dernière Vérification',
        'Nombre de Vérifications'
    ));
    
    // Données
    foreach ($transactions as $transaction) {
        fputcsv($output, array(
            $transaction->transaction_id,
            $transaction->order_id,
            $transaction->operation_id,
            $transaction->client_phone,
            number_format($transaction->amount, 2),
            bankily_get_status_label($transaction->status),
            ucfirst($transaction->order_status ?: 'N/A'),
            $transaction->error_code,
            $transaction->error_message,
            $transaction->created_at,
            $transaction->last_checked,
            $transaction->check_count
        ));
    }
    
    fclose($output);
    exit;
}

/**
 * AJAX: Nettoyer les anciennes transactions
 */
function bankily_ajax_clean_old_transactions() {
    check_ajax_referer('bankily_admin_nonce', 'nonce');
    
    if (!current_user_can('manage_woocommerce')) {
        wp_die(__('Permissions insuffisantes.', 'bankily-bpay'));
    }
    
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    $deleted = $wpdb->query("
        DELETE FROM $table_name 
        WHERE created_at < DATE_SUB(NOW(), INTERVAL 6 MONTH)
    ");
    
    wp_send_json_success(array(
        'deleted' => $deleted,
        'message' => sprintf(__('%d anciennes transactions supprimées.', 'bankily-bpay'), $deleted)
    ));
}

/**
 * AJAX: Ping de connexion
 */
function bankily_ajax_ping() {
    check_ajax_referer('bankily_admin_nonce', 'nonce');
    wp_send_json_success(array('status' => 'online', 'timestamp' => time()));
}

// ============================================================================
// FONCTIONNALITÉS SUPPLÉMENTAIRES
// ============================================================================

/**
 * Widget tableau de bord WordPress
 */
function bankily_add_dashboard_widget() {
    wp_add_dashboard_widget(
        'bankily_bpay_dashboard_widget',
        __('B-PAY Bankily - Résumé', 'bankily-bpay'),
        'bankily_dashboard_widget_content'
    );
}

function bankily_dashboard_widget_content() {
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    $stats_24h = $wpdb->get_row("
        SELECT 
            COUNT(*) as total,
            SUM(CASE WHEN status = 'TS' THEN 1 ELSE 0 END) as success,
            SUM(CASE WHEN status = 'TA' THEN 1 ELSE 0 END) as pending,
            SUM(CASE WHEN status = 'TS' THEN amount ELSE 0 END) as total_amount
        FROM $table_name 
        WHERE created_at >= DATE_SUB(NOW(), INTERVAL 24 HOUR)
    ");
    
    ?>
    <div style="text-align: center;">
        <p><strong><?php echo number_format($stats_24h->success); ?></strong> <?php _e('succès', 'bankily-bpay'); ?> | 
           <strong><?php echo number_format($stats_24h->pending); ?></strong> <?php _e('en attente', 'bankily-bpay'); ?></p>
        <p><strong><?php echo number_format($stats_24h->total_amount, 0, ',', ' '); ?> MRU</strong><br>
           <small><?php _e('Chiffre d\'affaires (24h)', 'bankily-bpay'); ?></small></p>
        <p><a href="<?php echo admin_url('admin.php?page=bankily-transactions'); ?>" class="button button-primary">
           <?php _e('Voir le tableau de bord', 'bankily-bpay'); ?></a></p>
    </div>
    <?php
}

/**
 * Notifications dans l'admin bar
 */
function bankily_admin_bar_notification($wp_admin_bar) {
    if (!current_user_can('manage_woocommerce')) {
        return;
    }
    
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    $urgent_count = $wpdb->get_var("
        SELECT COUNT(*) 
        FROM $table_name 
        WHERE status = 'TA' 
        AND created_at < DATE_SUB(NOW(), INTERVAL 2 HOUR)
    ");
    
    if ($urgent_count > 0) {
        $wp_admin_bar->add_node(array(
            'id' => 'bankily-urgent-notifications',
            'title' => '<span class="ab-icon dashicons dashicons-warning" style="color: #ffc107;"></span>' . 
                      '<span class="ab-label">' . sprintf(__('B-PAY: %d urgent', 'bankily-bpay'), $urgent_count) . '</span>',
            'href' => admin_url('admin.php?page=bankily-pending'),
        ));
    }
}

/**
 * Colonnes personnalisées dans la liste des commandes
 */
function bankily_add_order_column($columns) {
    $columns['bankily_status'] = __('B-PAY', 'bankily-bpay');
    return $columns;
}

function bankily_show_order_column_content($column, $order_id) {
    if ($column !== 'bankily_status') {
        return;
    }
    
    $order = wc_get_order($order_id);
    if (!$order || $order->get_payment_method() !== 'bankily_bpay') {
        echo '-';
        return;
    }
    
    bankily_display_order_status($order_id);
}

/**
 * Afficher le statut pour HPOS
 */
function bankily_show_order_column_content_hpos($column, $order) {
    if ($column !== 'bankily_status') {
        return;
    }
    
    if (!$order || $order->get_payment_method() !== 'bankily_bpay') {
        echo '-';
        return;
    }
    
    bankily_display_order_status($order->get_id());
}

/**
 * Fonction commune pour afficher le statut B-PAY
 */
function bankily_display_order_status($order_id) {
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    $transaction = $wpdb->get_row($wpdb->prepare(
        "SELECT * FROM $table_name WHERE order_id = %d ORDER BY created_at DESC LIMIT 1",
        $order_id
    ));
    
    if ($transaction) {
        $status_class = 'bankily-status-' . strtolower($transaction->status);
        echo '<span class="bankily-status ' . $status_class . '">' . bankily_get_status_label($transaction->status) . '</span>';
        
        if ($transaction->status == 'TA') {
            $age_hours = (time() - strtotime($transaction->created_at)) / 3600;
            if ($age_hours > 2) {
                echo '<br><small style="color: #dc3545;">⚠ ' . sprintf(__('%.1fh', 'bankily-bpay'), $age_hours) . '</small>';
            }
        }
    } else {
        echo '<span style="color: #666;">-</span>';
    }
}

/**
 * CSS pour les colonnes des commandes
 */
function bankily_admin_order_list_css() {
    global $pagenow, $post_type;
    
    if ($pagenow === 'edit.php' && $post_type === 'shop_order') {
        ?>
        <style>
            .bankily-status {
                display: inline-block;
                padding: 2px 6px;
                border-radius: 3px;
                font-size: 11px;
                font-weight: bold;
                text-transform: uppercase;
            }
            .bankily-status-ts { background: #d4edda; color: #155724; }
            .bankily-status-tf { background: #f8d7da; color: #721c24; }
            .bankily-status-ta { background: #fff3cd; color: #856404; }
            .column-bankily_status { width: 80px; }
        </style>
        <?php
    }
}

// ============================================================================
// FONCTIONS DE VÉRIFICATION AUTOMATIQUE
// ============================================================================

/**
 * Vérification automatique des transactions en attente
 */
function bankily_auto_check_pending_transactions() {
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    $max_attempts = get_option('bankily_max_check_attempts', 5);
    $auto_mark_failed = get_option('bankily_auto_mark_failed', false);
    
    // Récupérer les transactions en attente
    $pending_transactions = $wpdb->get_results($wpdb->prepare("
        SELECT * FROM $table_name 
        WHERE status = 'TA' 
        AND check_count < %d 
        AND last_checked < DATE_SUB(NOW(), INTERVAL 5 MINUTE)
        ORDER BY created_at ASC 
        LIMIT 20
    ", $max_attempts));
    
    if (empty($pending_transactions)) {
        return;
    }
    
    $gateway = new WC_Bankily_BPay_Gateway();
    
    foreach ($pending_transactions as $transaction) {
        $result = $gateway->check_transaction($transaction->operation_id);
        
        if ($result && $result['errorCode'] == '0') {
            $wpdb->update(
                $table_name,
                array(
                    'status' => $result['status'],
                    'transaction_id' => $result['transactionId'],
                    'last_checked' => current_time('mysql'),
                    'check_count' => $transaction->check_count + 1,
                    'error_code' => $result['errorCode'],
                    'error_message' => isset($result['errorMessage']) ? $result['errorMessage'] : ''
                ),
                array('id' => $transaction->id)
            );
            
            if ($result['status'] == 'TS') {
                $order = wc_get_order($transaction->order_id);
                if ($order) {
                    $order->payment_complete($result['transactionId']);
                    $order->add_order_note(__('Paiement B-PAY confirmé automatiquement.', 'bankily-bpay'));
                }
            }
        } else {
            $new_check_count = $transaction->check_count + 1;
            $new_status = $transaction->status;
            
            // Marquer comme échoué si on a atteint le maximum et que l'option est activée
            if ($new_check_count >= $max_attempts && $auto_mark_failed) {
                $new_status = 'TF';
            }
            
            $wpdb->update(
                $table_name,
                array(
                    'status' => $new_status,
                    'last_checked' => current_time('mysql'),
                    'check_count' => $new_check_count,
                    'error_code' => isset($result['errorCode']) ? $result['errorCode'] : '1',
                    'error_message' => isset($result['errorMessage']) ? $result['errorMessage'] : __('Erreur de vérification automatique', 'bankily-bpay')
                ),
                array('id' => $transaction->id)
            );
        }
        
        // Délai pour éviter de surcharger l'API
        sleep(1);
    }
}

/**
 * Générer un rapport quotidien
 */
function bankily_generate_daily_report() {
    global $wpdb;
    $table_name = $wpdb->prefix . 'bankily_transactions';
    
    $yesterday_start = date('Y-m-d 00:00:00', strtotime('-1 day'));
    $yesterday_end = date('Y-m-d 23:59:59', strtotime('-1 day'));
    
    $report = $wpdb->get_row($wpdb->prepare("
        SELECT 
            COUNT(*) as total,
            SUM(CASE WHEN status = 'TS' THEN 1 ELSE 0 END) as success,
            SUM(CASE WHEN status = 'TF' THEN 1 ELSE 0 END) as failed,
            SUM(CASE WHEN status = 'TA' THEN 1 ELSE 0 END) as pending,
            SUM(CASE WHEN status = 'TS' THEN amount ELSE 0 END) as revenue
        FROM $table_name 
        WHERE created_at BETWEEN %s AND %s
    ", $yesterday_start, $yesterday_end));
    
    if ($report && $report->total > 0) {
        $success_rate = round(($report->success / $report->total) * 100, 1);
        
        $message = sprintf(
            "Rapport quotidien B-PAY (%s)\n\n" .
            "📊 Transactions: %d\n" .
            "✅ Réussies: %d (%s%%)\n" .
            "❌ Échouées: %d\n" .
            "⏳ En attente: %d\n" .
            "💰 Chiffre d'affaires: %s MRU",
            date('d/m/Y', strtotime('-1 day')),
            $report->total,
            $report->success,
            $success_rate,
            $report->failed,
            $report->pending,
            number_format($report->revenue, 0, ',', ' ')
        );
        
        wp_mail(get_option('admin_email'), 'Rapport quotidien B-PAY', $message);
    }
}

?>