class OrderListCSV
{
    /**
     * Registers hooks
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @return void
     */
    public static function init() {
        add_action('usces_action_chk_pro_detail', [get_class(), 'addComboGroupItemsDownloadColCheckbox'], 10, 1);
        add_filter('usces_filter_chk_pro_label_detail', [get_class(), 'addComboGroupItemsColLabel'], 10, 1);
        add_filter('usces_filter_chk_pro_data_detail', [get_class(), 'addComboGroupItemsColCell'], 10, 4);
        add_filter('usces_filter_chk_pro', [get_class(), 'persistCheckedStatus'], 10, 1);
    }

    /**
     * Adds combo-set column checkbox to download dialog
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @param array $chk_pro
     * @return void
     */
    public static function addComboGroupItemsDownloadColCheckbox($chk_pro) {
        ?>
        <label for="chk_pro[combo_set]">
            <input
                type="checkbox"
                class="check_pro check_product"
                id="chk_pro[combo_set]"
                value="combo_set"
                <?php usces_checked($chk_pro, 'combo_set'); ?> />
            <?php esc_html_e('Combo-Set Selections', 'wcexics'); ?>
        </label>
        <?php
    }

    /**
     * Appends a column header label for combo-set group items
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @param null $null
     * @return null|string
     */
    public static function addComboGroupItemsColLabel($null) {
        if (empty($_GET['check'])) {
            return $null;
        }

        if (empty($_GET['check']['combo_set']) || $_GET['check']['combo_set'] !== 'on') {
            return $null;
        }

        $th_h = ',"';
        $th_f = '"';
        return $th_h . __('Combo-Set Selections', 'wcexics') . $th_f;
    }

    /**
     * Appends a column cell for combo-set group items
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @param null  $null
     * @param array $usces_opt_order
     * @param array $array
     * @param array $cart_row
     * @return null|string
     */
    public static function addComboGroupItemsColCell($null, $usces_opt_order, $array, $cart_row) {
        if (empty($_GET['check'])) {
            return $null;
        }

        if (empty($_GET['check']['combo_set']) || $_GET['check']['combo_set'] !== 'on') {
            return $null;
        }

        $csdata = CartPages::getComboSetCart($cart_row);
        $details = '';
        if (!empty($csdata)) {
            $details = Cart::getComboSetCartDetailsSpaceSeparated($csdata['cartRows']);
        }

        $td_h = ',"';
        $td_f = '"';
        return !empty($details) ? $td_h . $details . $td_f : $null;
    }

    /**
     * Persist checked status for CSV product download combo-set checkbox
     *
     * @author Evan D Shaw <evandanielshaw@gmail.com>
     * @param array $chk_pro
     * @return array
     */
    public static function persistCheckedStatus($chk_pro) {
        $chk_pro['combo_set'] = isset($_REQUEST['check']['combo_set']) ? 1 : 0;
        return $chk_pro;
    }
}