/**
 * Output the quantity input for add to cart forms.
 *
 * @param  array $args Args for the input.
 * @param  WC_Product|null $product Product.
 * @param  boolean $echo Whether to return or echo|string.
 *
 * @return string
 */

function woocommerce_quantity_input($args = array(), $product = null, $echo = true)
{
    if (is_null($product)) {
        $product = $GLOBALS['product'];
    }

    $defaults = array(
      'input_id' => uniqid('quantity_'),
      'input_name' => 'quantity',
      'input_value' => '1',
      'max_value' => apply_filters('woocommerce_quantity_input_max', -1, $product),
      'min_value' => apply_filters('woocommerce_quantity_input_min', 0, $product),
      'step' => apply_filters('woocommerce_quantity_input_step', 1, $product),
      'pattern' => apply_filters('woocommerce_quantity_input_pattern', has_filter('woocommerce_stock_amount', 'intval') ? '[0-9]*' : ''),
      'inputmode' => apply_filters('woocommerce_quantity_input_inputmode', has_filter('woocommerce_stock_amount', 'intval') ? 'numeric' : ''),
    );

    $args = apply_filters('woocommerce_quantity_input_args', wp_parse_args($args, $defaults), $product);

    // Apply sanity to min/max args - min cannot be lower than 0.
    $args['min_value'] = max($args['min_value'], 0);
    $args['max_value'] = 0 < $args['max_value'] ? $args['max_value'] : '';

    // Max cannot be lower than min if defined.
    if ('' !== $args['max_value'] && $args['max_value'] < $args['min_value']) {
        $args['max_value'] = $args['min_value'];
    }

    $is_weight_product = get_post_meta($product->get_id(), '_is_weight_product', true);
    $is_sale_all_stock = get_post_meta($product->get_id(), '_is_sale_all_stock', true);
    $lower_to_sale_all = get_post_meta($product->get_id(), '_lower_to_sale_all', true);

//
//    if ($is_weight_product == 'yes') {
//        $args['step'] = 50;
//        $args['input_value'] = 50;
//    }
//
//    if ($is_sale_all_stock == 'yes') {
//        $args['input_value'] = $args['max_value'];
//        $args['min_value'] = $args['max_value'];
//
//        add_filter('woocommerce_short_description', 'add_message_to_desc');
//    }


    /**
     * $lower_to_sale_all 500 int
     * (int)$args['max_value'] 720 int
     */
    if ($lower_to_sale_all  >= (int)$args['max_value']) {
        $args['min_value'] = $args['max_value'];
        add_filter('woocommerce_short_description', 'add_message_to_desc');
    }


    ob_start();

    wc_get_template('global/quantity-input.php', $args);

    if ($echo) {
        echo ob_get_clean(); // WPCS: XSS ok.
    } else {
        return ob_get_clean();
    }
}