<?php
/**
 * Functions which enhance the theme by hooking into WordPress
 *
 * @package omexo
 */

/**
 * Adds custom classes to the array of body classes.
 *
 * @param array $classes Classes for the body element.
 * @return array
 */

function omexo_body_classes( $classes ) {
	// Adds a class of hfeed to non-singular pages.
	if ( ! is_singular() ) {
		$classes[] = 'hfeed';
	}

	// Adds a class of no-sidebar when there is no sidebar present.
	if ( ! is_active_sidebar( 'sidebar-1' ) ) {
		$classes[] = 'no-sidebar';
	}

	return $classes;
}
add_filter( 'body_class', 'omexo_body_classes' );

/**
 * Add a pingback url auto-discovery header for single posts, pages, or attachments.
 */
function omexo_pingback_header() {
	if ( is_singular() && pings_open() ) {
		echo '<link rel="pingback" href="', esc_url( get_bloginfo( 'pingback_url' ) ), '">';
	}
}
add_action( 'wp_head', 'omexo_pingback_header' );

if ( ! function_exists( 'wp_body_open' ) ) {
    function wp_body_open() {
        do_action( 'wp_body_open' );
    }
}

/**
 * Header array get
 */
if (!function_exists('omexo_array_get')) {
    function omexo_array_get($array, $key, $default = null)
    {
        if (!is_array($array)) {
            return $default;
        }

        return array_key_exists($key, $array) ? $array[$key] : $default;
    }
}

/**
 * WooCommerce products number per row to 3
 */

if (!function_exists('loop_columns')) {
	function omexo_product_per_row() {
		return 3; // 3 products per row
	}
}
add_filter('loop_shop_columns', 'omexo_product_per_row', 999);

/**
 * Change number of products that are displayed per page (shop page)
 */

function new_loop_shop_per_page( $cols ) {
  $cols = 9 ;
  return $cols;
}
add_filter( 'loop_shop_per_page', 'new_loop_shop_per_page', 20 );

/**
 * Remove WooCommerce shop page default title
 */
add_filter( 'woocommerce_show_page_title', 'remove_shop_page_title' );
function remove_shop_page_title() {
    return boolval(!is_shop());
}

//WooCommerce ajax mini add to cart

function omexo_add_to_cart_fragment( $fragments ) {
    global $woocommerce;
 
    ob_start();
 
    omexo_wc_mini_cart();
 
    $fragments['a.cart-button'] = ob_get_clean();
 
    return $fragments;
 
}
 
function omexo_wc_mini_cart() {
    global $woocommerce;
    ?>
    <a href="<?php echo esc_attr(wc_get_cart_url());?>" class="cart-button">
        <i class="fa fa-shopping-cart"></i>
        <span class="cart-total-number"><?php echo esc_html(WC()->cart->cart_contents_count);?></span>
    </a>
    <?php
}

add_filter('add_to_cart_fragments', 'omexo_add_to_cart_fragment');


/**
 * Declare WooCommerce support
 */

function omexo_woocommerce_support() {
	add_theme_support('woocommerce');
    add_theme_support( 'wc-product-gallery-lightbox' );
    add_theme_support( 'wc-product-gallery-slider' );    
}
add_action( 'after_setup_theme', 'omexo_woocommerce_support' );

/**
 * Change WooCoomerce product markup
 */
function omexo_before_shop_loop_item_title() {
    echo '<div class="omexo-wc-product-info">';
    woocommerce_template_loop_add_to_cart();
    echo '<h2 class="woocommerce-loop-product__title omexo-wc-title"><a href="' . get_the_permalink() . '">' . get_the_title() . '</a></h2>';

}
add_action( 'woocommerce_before_shop_loop_item_title', 'omexo_before_shop_loop_item_title', 10 );

function omexo_after_shop_loop_item_title() {
    echo '</div>';

}
add_action( 'woocommerce_after_shop_loop_item_title', 'omexo_after_shop_loop_item_title', 10 );


function omexo_before_shop_loop_item() {
    echo '<div class="product-content">';
}
add_action( 'woocommerce_before_shop_loop_item', 'omexo_before_shop_loop_item', 10 );

function omexo_after_shop_loop_item(){
    echo '</div>';
}
add_action( 'woocommerce_after_shop_loop_item', 'omexo_after_shop_loop_item', 10 );


/**
 * WooCommerce  Search Field
 *
 */
function omexo_custom_product_searchform( $form ) {
	
    $form = '
        <form role="search" method="get" id="searchform" action="' . esc_url( home_url( '/'  ) ) . '">
            <div class="wc-search-form">
                <label class="screen-reader-text" for="s">' . __( 'Search for:', 'omexo' ) . '</label>
                <input class="wc-search-input" type="text" value="' . get_search_query() . '" name="s" id="s" placeholder="' . __( 'Search', 'omexo' ) . '"/>
                <button class="wc-search-btn" type="submit" id="searchsubmit"><i class="fa fa-search"></i></button>  
                <input type="hidden" name="post_type" value="product" />
            </div>
        </form>';

return $form;
}
add_filter( 'get_product_search_form' , 'omexo_custom_product_searchform' );

/**
 * Tutor LMS Course Single Titles
 *
 */
function omexo_course_single_topic_title() {
    $omexo_option = get_option('omexo_opt');
    echo esc_html__($omexo_option['single-course-content-title'], 'tutor');
}
add_filter('tutor_course_topics_title', 'omexo_course_single_topic_title');


function omexo_course_single_benefit_title() {
    $omexo_option = get_option('omexo_opt');
    echo esc_html__($omexo_option['single-course-what-learn-title'], 'tutor');
}
add_filter('tutor_course_benefit_title', 'omexo_course_single_benefit_title');


function omexo_course_single_description_title() {
    $omexo_option = get_option('omexo_opt');
    echo esc_html__($omexo_option['single-course-desc-title'], 'tutor');
}
add_filter('tutor_course_about_title', 'omexo_course_single_description_title');


/**
 * Set price decimals to 0 if not set in WooCommerce settings
 *
 * This function is attached to the 'wc_get_price_decimals' filter hook.
 *
 * @param int $decimals
 * @return int
 */
function custom_default_price_decimals($decimals){
    $saved_decimals = get_option('woocommerce_price_num_decimals', '');
    return ($saved_decimals === '') ? 0 : $decimals;
}
add_filter('wc_get_price_decimals', 'custom_default_price_decimals');


/**
 * Use custom LearnDash course template if exists
 *
 * @param string $template
 * @return string
 */
function custom_learndash_course_template($template)
{
    if (is_singular('sfwd-courses')) {
        $theme_template = get_stylesheet_directory() . '/learndash/course.php';
        if (file_exists($theme_template)) {
            return $theme_template;
        }
    }
    return $template;
}
add_filter('template_include', 'custom_learndash_course_template');