Pagination and results count problem.

//My problem with pagination:

//First I have this category template (archive-products.php, from woocommerce):
<?php
/**
 * The Template for displaying product archives, including the main shop page which is a post type archive.
 *
 * Override this template by copying it to yourtheme/woocommerce/archive-product.php
 *
 * @author        WooThemes
 * @package    WooCommerce/Templates
 * @version     2.0.0
 */

if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly
}

get_header('shop'); ?>

<?php
/**
 * woocommerce_before_main_content hook
 *
 * @hooked woocommerce_output_content_wrapper - 10 (outputs opening divs for the content)
 * @hooked woocommerce_breadcrumb - 20
 */
do_action('woocommerce_before_main_content');
?>

<?php if (apply_filters('woocommerce_show_page_title', true)) : ?>

    <h1 class="page-title" <?php echo !is_singular() && (is_tax('product_cat') || is_tax('product_tag')) ? 'style="display:block"' : ''; ?>><?php woocommerce_page_title(); ?></h1>

<?php endif; ?>

<?php do_action('woocommerce_archive_description'); ?>

<?php if (have_posts()) :

    global $wp_query; // I call $wp_query so I could change posts_found attribute, so pagination would be recalculated with new results

    /*echo '<pre>'; // This is for correct handling of newlines
    ob_start();
    var_dump($wp_query->query_vars['posts_per_page']); //20
    $a=ob_get_contents();
    ob_end_clean();
    echo htmlspecialchars($a,ENT_QUOTES); // Escape every HTML special chars (especially > and < )
    echo '</pre>';*/

    /**
     * woocommerce_before_shop_loop hook
     *
     * @hooked woocommerce_result_count - 20
     * @hooked woocommerce_catalog_ordering - 30
     */
    do_action('woocommerce_before_shop_loop');

    echo $wp_query->found_posts;

    woocommerce_product_loop_start();

    woocommerce_product_subcategories();

    global $product_categories_global_total; // Get the total number of subcategories in a category

    $i = 0;

    while (have_posts()) : the_post();

        if ($wp_query->queried_object->term_id == wp_get_post_terms(get_the_ID(), 'product_cat')[0]->term_id):

            wc_get_template_part('content', 'product');

            $i++;

        endif;

    endwhile; // end of the loop.

    $wp_query->found_posts = $product_categories_global_total+$i; // I get this one from customized subcategories function Look at the function below this template

    woocommerce_product_loop_end();

    /**
     * woocommerce_after_shop_loop hook
     *
     * @hooked woocommerce_pagination - 10
     */
    do_action('woocommerce_after_shop_loop');

elseif (!woocommerce_product_subcategories(array('before' => woocommerce_product_loop_start(false), 'after' => woocommerce_product_loop_end(false)))) : ?>

    <?php wc_get_template('loop/no-products-found.php'); ?>

<?php endif; ?>

<?php
/**
 * woocommerce_after_main_content hook
 *
 * @hooked woocommerce_output_content_wrapper_end - 10 (outputs closing divs for the content)
 */
do_action('woocommerce_after_main_content');
?>

<?php
/**
 * woocommerce_sidebar hook
 *
 * @hooked woocommerce_get_sidebar - 10
 */
do_action('woocommerce_sidebar');
?>

<?php get_footer('shop'); ?>

// The customized subcategories function

$product_categories_global_total = 0;
function woocommerce_product_subcategories( $args = array() ) {
    global $woocommerce, $wp_query, $_chosen_attributes;

    $defaults = array(
        'before'  => '',
        'after'  => '',
        'force_display' => false
    );

    $args = wp_parse_args( $args, $defaults );

    extract( $args );

    // Main query only
    if ( ! is_main_query() && ! $force_display ) return;

    // Don't show when filtering
    if ( sizeof( $_chosen_attributes ) > 0 || ( isset( $_GET['max_price'] ) && isset( $_GET['min_price'] ) ) ) return;

    // Don't show when searching or when on page > 1 and ensure we're on a product archive
    if ( is_search() || is_paged() || ( ! is_product_category() && ! is_shop() ) ) return;

    // Check cateogries are enabled
    if ( is_product_category() && get_option( 'woocommerce_show_subcategories' ) == 'no' ) return;
    if ( is_shop() && get_option( 'woocommerce_shop_show_subcategories' ) == 'no' ) return;

    // Find the category + category parent, if applicable
    if ( $product_cat_slug = get_query_var( 'product_cat' ) ) {
        $product_cat = get_term_by( 'slug', $product_cat_slug, 'product_cat' );
        $product_category_parent = $product_cat->term_id;
    } else {
        $product_category_parent = 0;
    }

    // NOTE: using child_of instead of parent - this is not ideal but due to a WP bug ( http://core.trac.wordpress.org/ticket/15626 ) pad_counts won't work
    $args = array(
        'child_of'      => $product_category_parent,
        'menu_order'    => 'ASC',
        'hide_empty'    => 0,
        'hierarchical'  => 1,
        'taxonomy'      => 'product_cat',
        'pad_counts'    => 1
    );
    $product_categories = get_categories( $args  );

    $product_category_found = false;

    if ( $product_categories ) {

        global $product_categories_global_total;

        foreach ( $product_categories as $category ) {

            if ( $category->parent != $product_category_parent ){
                continue;
            } else {
                $product_categories_global_total++;
            }


            if ( ! $product_category_found ) {
                // We found a category
                $product_category_found = true;
                echo $before;
            }

            wc_get_template( 'content-product_cat.php', array(
                'category' => $category
            ) );

        }

    }

    // If we are hiding products disable the loop and pagination
    if ( $product_category_found == true && get_option( 'woocommerce_hide_products_when_showing_subcategories' ) == 'yes' ) {
        $wp_query->post_count = 0;
        $wp_query->max_num_pages = 0;
    }

    if ( $product_category_found ) {
        echo $after;
        return true;
    }

}