<?php
function live_stream_widget_display_products($item_output = '', $item, $instance) {
    if (is_multisite()) {
        if ((isset($item->blog_id)) && (intval($item->blog_id))) {
            $blog = get_blog_details($item->blog_id);
        }
    } else {
        if (!isset($blog)) {
            $blog = new stdClass;
            $blog->blogname     = get_option( 'blogname' );
            $blog->siteurl      = get_option( 'siteurl' );
        }
    }
    //echo "blog<pre>"; print_r($blog); echo "</pre>";

    if ((isset($instance['link_target'])) && ($instance['link_target'] == "on")) {
        $link_target = ' target="_blank" ';
    } else {
        $link_target = '';
    }

    $user_data = array();

    if (intval($item->post_author_id) ) {
        $userdata = get_userdata( intval($item->post_author_id) );
        if ($userdata) {
            $user_data['ID']            = $userdata->ID;
            $user_data['user_email']    = $userdata->user_email;
            $user_data['display_name']  = $userdata->display_name;
        }
    }

    if (!isset($user_data['ID']))
        $user_data['ID']            = 0;

    if (!isset($user_data['user_email'])) {
        if ((isset($item->post_author_email)) && (strlen($item->post_author_email))) {
            $user_data['user_email']    = $item->post_author_email;
        } else {
            $user_data['user_email']    = '';
        }
    }

    if (!isset($user_data['display_name'])) {

        if ((isset($item->post_author_name)) && (strlen($item->post_author_name))) {
            $user_data['display_name']  = $item->post_author_name;
        } else {
            $user_data['display_name']  = '';
        }
    }

    /* Build an anchor wrapper for the author which is used in multiple places */
    if ((isset($blog->siteurl)) && (intval($item->post_author_id) )) {
        $author_anchor_begin    = '<a '. $link_target .' class="live-stream-item-author" title="'. $user_data['display_name'] .'" href="'. $blog->siteurl .'?author='
            . $item->post_author_id .'">';
        $author_anchor_end      = '</a>';

    } else {
        if ($item->post_type == "product") {
            $author_anchor_begin    = '<a '. $link_target .' class="live-stream-item-author" title="'. $user_data['display_name'] .'" href="'. $item->post_permalink .'#comment-'. $item->post_id .'">';
            $author_anchor_end      = '</a>';
        } else {
            $author_anchor_begin    = '';
            $author_anchor_end      = '';
        }
    }

    /* User Avatar */
    if ((isset($instance['show_avatar'])) && ($instance['show_avatar'] == "on")) {
        if ((isset($user_data['user_email'])) && (strlen($user_data['user_email']))) {
            $avatar = get_avatar($user_data['user_email'], 30, null, $user_data['display_name']);
        } else {
            $avatar = get_avatar("dummy@dummy.com", 30, null, $user_data['display_name']);
        }
        $avatar = get_avatar($user_data['user_email'], 30, null, $user_data['display_name']);
        if (!empty($avatar)) {
            $item_output .= '<div class="live-stream-avatar">';
            $item_output .= $author_anchor_begin . $avatar . $author_anchor_end;
            $item_output .= '</div>';
        }
    }

    /* Begin text container wrapper */
    $item_output .= '<div class="live-stream-text">';

        if ((!isset($instance['show_avatar'])) || ($instance['show_avatar'] != "on")) {
            /* Show the User Name */
            if (isset($user_data['display_name']))
                $item_output .= $author_anchor_begin . $user_data['display_name'] . $author_anchor_end ." ";

        }


        if ($item->post_type == "product") {
            $item_output .= ' <span class="live-stream-item-action">'. __("Added", 'live-stream-widget') .'</span> ';
        } else {
            $item_output .= ' <span class="live-stream-item-action">'. __('Added', 'live-stream-widget') .'</span> ';
        }

        $item_content = '';
        //echo "content_chars[". $instance['content_chars'] ."]<br />";
        if ((isset($instance['content_chars'])) && (intval($instance['content_chars']))) {
            if ( ($item->post_type == "product") && (isset($item->post_content)) && (strlen($item->post_content)) ) {
                $item_content = strip_tags($item->post_content);
            } else if ((isset($item->post_content)) && (strlen($item->post_content))) {
                $item_content = strip_tags($item->post_content);
            }
            if (strlen($item_content) > $instance['content_chars'])
                $item_content = substr($item_content, 0, $instance['content_chars']) ."...";
            else
                $item_content = substr($item_content, 0, $instance['content_chars']);
        }
        //echo "here ". __LINE__ ."<br />";
        //echo "item_content[". $item_content ."]<br />";
        if (strlen($item_content)) {
            if ($item->post_type == "product") {
                $post_anchor_begin  = '<a '. $link_target .' class="live-stream-item-title" href="'. $item->post_permalink.'">';
                $post_anchor_end    = '</a>';

                if (!empty($item->post_title)) {
                    $post_anchor_end .= " ". __('on', 'live-stream-widget') .' <a class="live-stream-item-title" href="'. $item->post_permalink .'">'
                        . $item->post_title ."</a> ";
                }
            } else {
                $site_anchor_begin = '<a '. $link_target .' class="live-stream-item-blog" href="'. $blog->siteurl .'">';
                $site_anchor_end    = '</a>';
            }
            $item_output .= " ". $post_anchor_begin . $item_content . $post_anchor_end ." ";
        } else {
            $item_output .= ' <a '. $link_target .' class="live-stream-item-title" href="'. $item->post_permalink .'">'. $item->post_title ."</a> ";

        }

        /* Show the Blog domain */
        if ((isset($instance['show_users_content'])) && ($instance['show_users_content'] != "local")) {
            if (isset($blog->siteurl)) {
                $site_anchor_begin = '<a '. $link_target .' class="live-stream-item-blog" href="'. $blog->siteurl .'">';
                $site_anchor_end    = '</a>';
                $item_output .= __("to", 'live-stream-widget') ." ". $site_anchor_begin . $blog->blogname . $site_anchor_end ." ";
            }
        }


        /* Show the Post/Comment human time */
        $item_output .= '<div class="live-stream-text-footer">';
            $item_output .= '<span class="live-stream-text-footer-date">'. sprintf( __( '%s ago ', 'live-stream-widget' ),
                human_time_diff( $item->post_date_gmt ) ) .'</span>';
            $item_output .= ' &middot; ';

            if ($item->post_type == "product") {
                if ($instance['show_users_content'] == "local") {
                    $comment_count = get_comments_number( $item->post_id );
                    $comment_label = __('comment', 'live-stream-widget') ." (". $comment_count .")";

                    $item_output .= '<a '. $link_target .' class="live-stream-text-footer-date" href="'.
                        $item->post_permalink .'">'. 'View Product' .'</a>';
                } else {
                    $comment_label = __('comments', 'live-stream-widget');
                    $item_output .= '<a '. $link_target .' class="live-stream-text-footer-date" href="'.
                        $item->post_permalink .'">'. 'View Product' .'</a>';
                }
            } else {
                if (($instance['show_users_content'] == "local") && (array_search("post", $instance['content_types']) !== false)) {
                    $comment_count = get_comments_number( $item->post_id );
                    $comment_label = __('comment', 'live-stream-widget') ." (". $comment_count .")";
                    $item_output .= '<a '. $link_target .' class="live-stream-text-footer-date" href="'. $item->post_permalink .'">'. 'View Product' .'</a>';

                } else {
                    $item_output .= '<a '. $link_target .' class="live-stream-text-footer-date" href="'. $item->post_permalink .'">'. __('visit', 'live-stream-widget') .'</a>';
                }
            }
        $item_output .= '</div>';


    /* Closing the 'live-stream-text' wrapper */
    $item_output .= '</div>';

    return $item_output;
}
add_filter('live-stream-display-post-type-product', 'live_stream_widget_display_products', 10, 3);