<?php
    /**
     * Functions which enhance the theme by hooking into WordPress
     *
     * @package Newsever
     */
    
    /**
     * Adds custom classes to the array of body classes.
     *
     * @param array $classes Classes for the body element.
     *
     * @return array
     */
    function newsever_body_classes($classes)
    {
        // Adds a class of hfeed to non-singular pages.
        if (!is_singular()) {
            $classes[] = 'hfeed';
        }
        
        
        $global_site_mode_setting = newsever_get_option('global_site_mode_setting');
        $classes[] = $global_site_mode_setting;
        
        
        $single_post_featured_image_view = newsever_get_option('single_post_featured_image_view');
        if ($single_post_featured_image_view == 'full') {
            $classes[] = 'aft-single-full-header';
        }

        if ($single_post_featured_image_view == 'within-content'){
            $classes[] = 'aft-single-within-content-header';
        }
        
        $global_hide_comment_count_in_list = newsever_get_option('global_hide_comment_count_in_list');
        if ($global_hide_comment_count_in_list == true) {
            $classes[] = 'aft-hide-comment-count-in-list';
        }
        
        $global_hide_min_read_in_list = newsever_get_option('global_hide_min_read_in_list');
        if ($global_hide_min_read_in_list == true) {
            $classes[] = 'aft-hide-minutes-read-in-list';
        }
        
        
        $global_hide_post_date_author_in_list = newsever_get_option('global_hide_post_date_author_in_list');
        if ($global_hide_post_date_author_in_list == true) {
            $classes[] = 'aft-hide-date-author-in-list';
        }
        
        $transparent_main_banner_boxes = newsever_get_option('transparent_main_banner_boxes');
        if ($transparent_main_banner_boxes == true) {
            $classes[] = 'aft-transparent-main-banner-box';
        }
        
        global $post;
        
        $global_layout = newsever_get_option('global_content_layout');
        if (!empty($global_layout)) {
            $classes[] = $global_layout;
        }
        
        
        $global_alignment = newsever_get_option('global_content_alignment');
        $page_layout = $global_alignment;
        $disable_class = '';
        $frontpage_content_status = newsever_get_option('frontpage_content_status');
        if (1 != $frontpage_content_status) {
            $disable_class = 'disable-default-home-content';
        }
        
        // Check if single.
        if ($post && is_singular()) {
            $post_options = get_post_meta($post->ID, 'newsever-meta-content-alignment', true);
            if (!empty($post_options)) {
                $page_layout = $post_options;
            } else {
                $page_layout = $global_alignment;
            }
        }
        
        
        if (is_front_page() || is_home() || is_page_template('tmpl-front-page.php')) {
            $frontpage_layout = newsever_get_option('frontpage_content_alignment');
            
            if (!empty($frontpage_layout)) {
                $page_layout = $frontpage_layout;
            } else {
                $page_layout = $global_alignment;
            }
            
        }
        
        
        if (is_front_page() && is_page_template('tmpl-front-page.php')) {
            
            if (is_active_sidebar('home-content-widgets') && is_active_sidebar('home-sidebar-1-widgets') && is_active_sidebar('home-sidebar-2-widgets')) {
                if ($page_layout == 'frontpage-layout-1') {
                    $classes[] = 'aft-frontpage-template content-with-two-sidebars ' . $page_layout;
                    
                }
                if ($page_layout == 'frontpage-layout-2') {
                    $classes[] = 'aft-frontpage-template content-with-two-sidebars ' . $page_layout;
                    
                }
                if ($page_layout == 'frontpage-layout-3') {
                    $classes[] = 'aft-frontpage-template ' . $page_layout;
                }
            } else {
                
                if (is_active_sidebar('home-content-widgets') && is_active_sidebar('home-sidebar-1-widgets')) {
                    $classes[] = 'aft-frontpage-template content-with-single-sidebar content-with-right-single-sidebar' . " " . $page_layout;
                } elseif (is_active_sidebar('home-content-widgets') && is_active_sidebar('home-sidebar-2-widgets')) {
                    
                    $classes[] = 'aft-frontpage-template content-with-single-sidebar content-with-left-single-sidebar' . " " . $page_layout;
                } else {
                    $classes[] = 'full-width-content ';
                }
            }
        } else if (is_page_template('tmpl-front-page.php')) {
            
            if (is_active_sidebar('home-content-widgets') && is_active_sidebar('home-sidebar-1-widgets') && is_active_sidebar('home-sidebar-2-widgets')) {
                
                if ($page_layout == 'frontpage-layout-1') {
                    
                    $classes[] = 'aft-frontpage-template content-with-two-sidebars ' . $page_layout;
                    
                }
                if ($page_layout == 'frontpage-layout-2') {
                    
                    $classes[] = 'aft-frontpage-template content-with-two-sidebars ' . $page_layout;
                    
                }
                if ($page_layout == 'frontpage-layout-3') {
                    
                    $classes[] = 'aft-frontpage-template ' . $page_layout;
                }
            } else {
                
                if (is_active_sidebar('home-content-widgets') && is_active_sidebar('home-sidebar-1-widgets')) {
                    $classes[] = 'aft-frontpage-template content-with-single-sidebar content-with-right-single-sidebar' . " " . $page_layout;
                } elseif (is_active_sidebar('home-content-widgets') && is_active_sidebar('home-sidebar-2-widgets')) {
                    
                    $classes[] = 'aft-frontpage-template content-with-single-sidebar content-with-left-single-sidebar' . " " . $page_layout;
                } else {
                    $classes[] = 'full-width-content ';
                }
            }
        } else {
            if (is_front_page() || is_home()) {
                if ($page_layout == 'frontpage-layout-1') {
                    if (is_active_sidebar('sidebar-1')) {
                        $classes[] = 'content-with-single-sidebar align-content-left';
                    } else {
                        $classes[] = 'full-width-content';
                    }
                    
                } elseif ($page_layout == 'frontpage-layout-2') {
                    if (is_active_sidebar('sidebar-1')) {
                        $classes[] = 'content-with-single-sidebar align-content-right';
                    } else {
                        $classes[] = 'full-width-content';
                    }
                } else {
                    $classes[] = 'full-width-content';
                }
            } else {
                
                if ($page_layout == "align-content-left") {
                    if (is_active_sidebar('sidebar-1')) {
                        $classes[] = 'content-with-single-sidebar align-content-left';
                    } else {
                        $classes[] = 'full-width-content';
                    }
                } elseif ($page_layout == 'align-content-right') {
                    if (is_active_sidebar('sidebar-1')) {
                        $classes[] = 'content-with-single-sidebar align-content-right';
                    } else {
                        $classes[] = 'full-width-content';
                    }
                    
                } else {
                    $classes[] = 'full-width-content';
                }
            }
        }
        
        return $classes;
        
    }
    
    add_filter('body_class', 'newsever_body_classes');
    
    /**
     * Add a pingback url auto-discovery header for singularly identifiable articles.
     */
    function newsever_pingback_header()
    {
        if (is_singular() && pings_open()) {
            echo '<link rel="pingback" href="', esc_url(get_bloginfo('pingback_url')), '">';
        }
    }
    
    add_action('wp_head', 'newsever_pingback_header');
    
    
    /**
     * Returns posts.
     *
     * @since Newsever 1.0.0
     */
    if (!function_exists('newsever_get_posts')):
        function newsever_get_posts($number_of_posts, $category = '0')
        {
            
            $ins_args = array(
                'post_type' => 'post',
                'posts_per_page' => absint($number_of_posts),
                'post_status' => 'publish',
                'orderby' => 'date',
                'order' => 'DESC',
                'ignore_sticky_posts' => true
            );
            
            $category = isset($category) ? $category : '0';
            if (absint($category) > 0) {
                $ins_args['cat'] = absint($category);
            }
            
            $all_posts = new WP_Query($ins_args);
            
            return $all_posts;
        }
    
    endif;
    
    
    /**
     * Returns no image url.
     *
     * @since  Newsever 1.0.0
     */
    if (!function_exists('newsever_post_format')):
        function newsever_post_format($post_id)
        {
            $post_format = get_post_format($post_id);
            switch ($post_format) {
                case "image":
                    $post_format = "<div class='af-post-format em-post-format'><i class='fa fa-camera'></i></div>";
                    break;

                case "video":
                    $post_format = "<div class='af-post-format em-post-format'><i class='fa fa-video-camera'></i></div>";
                    
                    break;
                case "gallery":
                    $post_format = "<div class='af-post-format em-post-format'><i class='fa fa-camera'></i></div>";
                    break;
                default:
                    $post_format = "";
            }
            
            echo $post_format;
        }
    
    endif;
    
    
    if (!function_exists('newsever_get_block')) :
        /**
         *
         * @param null
         *
         * @return null
         *
         * @since Newsever 1.0.0
         *
         */
        function newsever_get_block($block = 'grid', $section = 'post')
        {
            
            get_template_part('inc/hooks/blocks/block-' . $section, $block);
            
        }
    endif;
    
    if (!function_exists('newsever_archive_title')) :
        /**
         *
         * @param null
         *
         * @return null
         *
         * @since Newsever 1.0.0
         *
         */
        
        function newsever_archive_title($title)
        {
            if (is_category()) {
                $title = single_cat_title('', false);
            } elseif (is_tag()) {
                $title = single_tag_title('', false);
            } elseif (is_author()) {
                $title = '<span class="vcard">' . get_the_author() . '</span>';
            } elseif (is_post_type_archive()) {
                $title = post_type_archive_title('', false);
            } elseif (is_tax()) {
                $title = single_term_title('', false);
            }
            
            return $title;
        }
    
    endif;
    add_filter('get_the_archive_title', 'newsever_archive_title');
    
    /* Display Breadcrumbs */
    if (!function_exists('newsever_get_breadcrumb')) :
        
        /**
         * Simple breadcrumb.
         *
         * @since 1.0.0
         */
        function newsever_get_breadcrumb()
        {
            
            $enable_breadcrumbs = newsever_get_option('enable_breadcrumb');
            if (1 != $enable_breadcrumbs) {
                return;
            }
            // Bail if Home Page.
            if (is_front_page() || is_home()) {
                return;
            }
            
            
            if (!function_exists('breadcrumb_trail')) {
                
                /**
                 * Load libraries.
                 */
                
                require_once get_template_directory() . '/lib/breadcrumb-trail/breadcrumb-trail.php';
            }
            
            $breadcrumb_args = array(
                'container' => 'div',
                'show_browse' => false,
            ); ?>


            <div class="af-breadcrumbs font-family-1 color-pad af-container-block-wrapper">
                <?php breadcrumb_trail($breadcrumb_args); ?>
            </div>
        
        
        <?php }
    
    endif;
    add_action('newsever_action_get_breadcrumb', 'newsever_get_breadcrumb');
    
    
    /**
     * Front-page main banner section layout
     */
    if (!function_exists('newsever_front_page_main_section')) {
        
        function newsever_front_page_main_section()
        {
            
            $hide_on_blog = newsever_get_option('disable_main_banner_on_blog_archive');
            
            if ($hide_on_blog) {
                if (is_front_page()) {
                    do_action('newsever_action_front_page_main_section_1');
                }
                
            } else {
                if (is_front_page() || is_home()) {
                    do_action('newsever_action_front_page_main_section_1');
                }
                
                
            }
        }
    }
    add_action('newsever_action_front_page_main_section', 'newsever_front_page_main_section');
    
    
    /* Display Breadcrumbs */
    if (!function_exists('newsever_excerpt_length')) :
        
        /**
         * Simple excerpt length.
         *
         * @since 1.0.0
         */
        
        function newsever_excerpt_length($length)
        {
            
            if (is_admin()) {
                return $length;
            }
            
            return 15;
        }
    
    endif;
    add_filter('excerpt_length', 'newsever_excerpt_length', 999);
    
    
    /* Display Breadcrumbs */
    if (!function_exists('newsever_excerpt_more')) :
        
        /**
         * Simple excerpt more.
         *
         * @since 1.0.0
         */
        function newsever_excerpt_more($more)
        {
            return '...';
        }
    
    endif;
    
    add_filter('excerpt_more', 'newsever_excerpt_more');
    
    
    /* Display Pagination */
    if (!function_exists('newsever_numeric_pagination')) :
        
        /**
         * Simple excerpt more.
         *
         * @since 1.0.0
         */
        function newsever_numeric_pagination()
        {
            
            $pagination_type = newsever_get_option('archive_pagination_view');
            switch ($pagination_type) {
                case 'archive-default':
                    the_posts_pagination(array(
                        'mid_size' => 3,
                        'prev_text' => __('Previous', 'newsever'),
                        'next_text' => __('Next', 'newsever'),
                    ));
                    break;
                
                case 'archive-ajax-loadmore':
                    ?>
                    <div class="newsever-ajax-pagination">
                        <?php newsever_ajax_pagination('click'); ?>
                    </div>
                    <?php
                    break;
                case 'archive-infinite-scroll':
                    ?>
                    <div class="newsever-ajax-pagination">
                        <?php newsever_ajax_pagination('scroll'); ?>
                    </div>
                    <?php
                    break;
                default:
                    break;
            }
            
            return;
        }
    
    endif;
    
    /* Word read count Pagination */
    if (!function_exists('newsever_count_content_words')) :
        /**
         * @param $content
         *
         * @return string
         */
        function newsever_count_content_words($post_id)
        {
            $show_read_mins = newsever_get_option('global_show_min_read');
            if ($show_read_mins == 'yes') {
                $content = apply_filters('the_content', get_post_field('post_content', $post_id));
                $read_words = newsever_get_option('global_show_min_read_number');
                $decode_content = html_entity_decode($content);
                $filter_shortcode = do_shortcode($decode_content);
                $strip_tags = wp_strip_all_tags($filter_shortcode, true);
                $count = str_word_count($strip_tags);
                $word_per_min = (absint($count) / $read_words);
                $word_per_min = ceil($word_per_min);
                
                if (absint($word_per_min) > 0) {
                    $word_count_strings = sprintf(_n('%s min read', '%s min read', number_format_i18n($word_per_min), 'newsever'), number_format_i18n($word_per_min));
                    if ('post' == get_post_type($post_id)):
                        echo '<span class="min-read">';
                        echo esc_html($word_count_strings);
                        echo '</span>';
                    endif;
                }
                
            }
        }
    
    endif;
    
    
    /**
     * Check if given term has child terms
     *
     * @param Integer $term_id
     * @param String $taxonomy
     *
     * @return Boolean
     */
    function newsever_list_popular_taxonomies($taxonomy = 'post_tag', $title = "Popular Tags", $number = 5)
    {
        $popular_taxonomies = get_terms(array(
            'taxonomy' => $taxonomy,
            'number' => absint($number),
            'orderby' => 'count',
            'order' => 'DESC',
            'hide_empty' => true,
        ));
        
        if ($popular_taxonomies) {
            return $popular_taxonomies;
        } else {
            return false;
        }
        
        
    }
    
    function newsever_display_list_popular_taxonomies($popular_taxonomies = '', $title = "Popular Tags")
    {
        $html = '';
        if (isset($popular_taxonomies) && !empty($popular_taxonomies)):
            $html .= '<div class="aft-popular-taxonomies-lists clearfix">';
            if (!empty($title)):
                $html .= '<strong>';
                $html .= esc_html($title);
                $html .= '</strong>';
            endif;
            $html .= '<ul>';
            foreach ($popular_taxonomies as $tax_term):
                $html .= '<li>';
                $html .= '<a href="' . esc_url(get_term_link($tax_term)) . '">';
                $html .= $tax_term->name;
                $html .= '<span class="tag-count">' . $tax_term->count . '</span></a>';
                $html .= '</li>';
            
            endforeach;
            $html .= '</ul>';
            $html .= '</div>';
        endif;
        
        echo $html;
    }
    
    
    /**
     * @param $post_id
     * @param string $size
     *
     * @return mixed|string
     */
    function newsever_get_freatured_image_url($post_id, $size = 'newsever-featured')
    {
        if (has_post_thumbnail($post_id)) {
            $thumb = wp_get_attachment_image_src(get_post_thumbnail_id($post_id), $size);
            $url = '';
            if(isset($thumb)){
                $url = $thumb['0'];
            }
        } else {
            $url = '';
        }
        
        return $url;
    }
    
    
    /**
     * @param $post_id
     */
    function newsever_get_comments_count($post_id)
    {
        
        
        $show_comment_count = newsever_get_option('global_show_comment_count');
        if ($show_comment_count == 'yes'):
            
            $comment_count = get_comments_number($post_id);
            if (absint($comment_count) > 1):
                ?>
                <span class="min-read-post-comment">
        <a class="af-comment-count" href="<?php the_permalink(); ?>">
            <?php echo get_comments_number($post_id); ?>
        </a>
        </span>
            <?php endif;
        endif;
        
    }
    

//Get attachment alt tag
    
    if (!function_exists('newsever_get_img_alt')):
        function newsever_get_img_alt($attachment_ID)
        {
            // Get ALT
            $thumb_alt = get_post_meta($attachment_ID, '_wp_attachment_image_alt', true);
            
            // No ALT supplied get attachment info
            if (empty($thumb_alt))
                $attachment = get_post($attachment_ID);
            
            // Use caption if no ALT supplied
            if (empty($thumb_alt))
                $thumb_alt = $attachment->post_excerpt;
            
            // Use title if no caption supplied either
            if (empty($thumb_alt))
                $thumb_alt = $attachment->post_title;
            
            // Return ALT
            return trim(strip_tags($thumb_alt));
        }
    endif;


//Jetpack social share
    
    function newsever_jptweak_remove_share()
    {
        remove_filter('the_content', 'sharing_display', 19);
        remove_filter('the_excerpt', 'sharing_display', 19);
        
    }
    
    add_action('loop_start', 'newsever_jptweak_remove_share');
    
    function newsever_single_post_social_share_icons()
    {
        if (class_exists('Jetpack') && Jetpack::is_module_active('sharedaddy')):
            
            
            ?>
            <div class="aft-social-share">
                <?php
                    if (function_exists('sharing_display')) {
                        sharing_display('', true);
                    }
                ?>

            </div>
        <?php
        
        endif;
        
    }