<?php
/*
 * Theme Fubctions
 */

// custom post
include (TEMPLATEPATH . '/includes/core/custom-post-type.php');

// video meta
include (TEMPLATEPATH . '/includes/core/post-video-meta.php');

// gallery meta
include (TEMPLATEPATH . '/includes/core/post-gallery-meta.php');

// post views meta
include (TEMPLATEPATH . '/includes/core/post-meta-views.php');

// bootstrap navwalker
include (TEMPLATEPATH . '/includes/functions/wp_bootstrap_navwalker.php');

// include tpanel
include (TEMPLATEPATH . '/tpanel/tpanel.php');

// on active theme
global $pagenow;
if (is_admin() && isset($_GET['activated']) && $pagenow == 'themes.php') {
    wp_redirect('admin.php?page=T-Panel');
}
if (!isset($content_width))
    $content_width = 970;

// theme setup
function ah_setup() {
    //add_theme_support('woocommerce'); // Add theme support for WooCommerce plugin .
    add_theme_support('post-thumbnails'); // Add Thumbnails
    add_filter('enable_post_format_ui', '__return_false');
    load_theme_textdomain('ah_lang', get_template_directory() . '/languages');
    register_nav_menus(array(
        'top-menu' => __('Header Menu', 'ah_lang'),
    ));
    add_theme_support('html5', array('search-form', 'comment-form', 'comment-list')); // to output valid HTML5.
}

add_action('after_setup_theme', 'ah_setup');

// featured image in feed
function featured_image_in_feed($content) {
    global $post;
    if (is_feed()) {
        if (has_post_thumbnail($post->ID)) {
            $output = get_the_post_thumbnail($post->ID, 'medium', array('style', 'float:right; margin:0 0 10px 10px;'));
            $content = $output . $content;
        }
    }
    return $content;
}

add_filter('the_content', 'featured_image_in_feed');

// theme sidebar
function ah_sidebar() {
    $before_widget = '<div id="%1$s" class="widget %2$s">';
    $after_widget = '</div></div><!--/widget-->';
    $before_title = '<h2>';
    $after_title = '</h2>
            <div class="widget-body">';

    register_sidebar(array(
        'name' => __('ستوونى لاوەكى', 'ah_lang'),
        'id' => 'single-sidebar',
        'description' => __('تێكردن لێرە', 'ah_lang'),
        'before_widget' => $before_widget,
        'after_widget' => $after_widget,
        'before_title' => $before_title,
        'after_title' => $after_title
    ));
}

add_action('widgets_init', 'ah_sidebar');

// remove search widget
function remove_default_widgets() {
    if (function_exists('unregister_widget')) {
        unregister_widget('WP_Widget_Search');
    }
}

add_action('widgets_init', 'remove_default_widgets');

# Template Comments

function Tatwerat_comment($comment, $args, $depth) {
    $GLOBALS['comment'] = $comment;
    ?>
    <li <?php comment_class(); ?> id="li-comment-<?php comment_ID() ?>">
        <div id="comment-<?php comment_ID(); ?>">
            <div class="comment-author vcard"> <?php echo get_avatar($comment, $size = '48', $default = '<path_to_url>'); ?> <?php printf(__('<cite class="fn">%s</cite> <span class="says">دەڵێت  </span>'), get_comment_author_link()) ?>
                <div class="comment-meta commentmetadata"><a href="<?php echo htmlspecialchars(get_comment_link($comment->comment_ID)) ?>"><?php printf(__('%1$s at %2$s'), get_comment_date(), get_comment_time()) ?></a>
                    <?php edit_comment_link(__('(Edit)'), '  ', '') ?>
                </div>
            </div>
            <?php if ($comment->comment_approved == '0') : ?>
                <em style="margin:5px 60px 0px 0px; color:#c00 !important;">
                    <?php _e('سەرنجى تۆ پێويستى دەبێت بۆ پێداچوونەوەى بەڕێوەبەر .') ?>
                </em> <br />
            <?php endif; ?>
            <?php comment_text() ?>
            <div class="reply">
                <?php comment_reply_link(array_merge($args, array('depth' => $depth, 'max_depth' => $args['max_depth']))) ?>
            </div>
        </div>
        <?php
    }

// blog pagination
    function pagination($pages = '', $range = 3) {
        $showitems = ($range * 2) + 1;
        global $paged;
        if (empty($paged))
            $paged = 1;
        if ($pages == '') {
            global $wp_query;
            $pages = $wp_query->max_num_pages;
            if (!$pages) {
                $pages = 1;
            }
        }
        if ($pages != 1) {
            echo "<div class='btn-group' role='group'>";
            if ($paged > 2 && $paged > $range + 1 && $showitems < $pages)
                echo "<a href='" . get_pagenum_link(1) . "' class='btn btn-lg btn-default'>First </a>";
            if ($paged > 1 && $showitems < $pages)
                echo "<a href='" . get_pagenum_link($paged - 1) . "' class='btn btn-lg btn-default'>Back </a>";
            for ($i = 1; $i <= $pages; $i++) {
                if (1 != $pages && (!($i >= $paged + $range + 1 || $i <= $paged - $range - 1) || $pages <= $showitems )) {
                    echo ($paged == $i) ? "<a class='btn btn-lg btn-default active'>" . $i . "</a>" : "<a href='" . get_pagenum_link($i) . "' class='btn btn-lg btn-default inactive'>" . $i . "</a>";
                }
            }
            if ($paged < $pages && $showitems < $pages)
                echo "<a href=\"" . get_pagenum_link($paged + 1) . "\" class='btn btn-lg btn-default'>&laquo;</a>";
            if ($paged < $pages - 1 && $paged + $range - 1 < $pages && $showitems < $pages)
                echo "<a href='" . get_pagenum_link($pages) . "' class='btn btn-lg btn-default'>&raquo;</a>";
            echo "</ul></div>";
        }
    }

// limit  content
    function limit_content($limit) {
        $excerpt = explode(' ', get_the_excerpt(), $limit);
        if (count($excerpt) >= $limit) {
            array_pop($excerpt);
            $excerpt = implode(" ", $excerpt) . '';
        } else {
            $excerpt = implode(" ", $excerpt);
        }
        $excerpt = preg_replace('`\[[^\]]*\]`', '', $excerpt);
        echo $excerpt . ' &nbsp; [..]';
    }

    function ah_content_limit($text, $chars = 120) {
        $text = mb_substr($text, 0, $chars, 'UTF-8');
        return $text . " [..]";
    }

// limit text
    function limit_text($str, $n_chars) {
        $buff = strip_tags($str);
        if (strlen($buff) > $n_chars) {
            $cut_index = strpos($buff, ' ', $n_chars);
            $buff = substr($buff, 0, ($cut_index === false ? $n_chars : $cut_index + 1)) . ' [..] ';
        }
        echo $buff;
    }

    function limit_title($str, $n_chars) {
        $buff = strip_tags($str);
        if (strlen($buff) > $n_chars) {
            $cut_index = strpos($buff, ' ', $n_chars);
            $buff = substr($buff, 0, ($cut_index === false ? $n_chars : $cut_index + 1)) . ' .. ';
        }
        echo $buff;
    }

//  get nav menus
    function ah_nav_menu($location = '') {
        //$get_menu = wp_get_nav_menu_object($locations[$menu_name]);
        //$menu_items = wp_get_nav_menu_items($get_menu->term_id);
        //$url = $menu_item->url;
        $options = array(
            'theme_location' => $location,
            'menu' => '',
            'container' => false,
            'container_class' => '',
            'container_id' => '',
            'menu_class' => '',
            'menu_id' => '',
            'echo' => true,
            'fallback_cb' => 'wp_page_menu',
            'before' => '',
            'after' => '',
            'link_before' => '',
            'link_after' => '',
            'items_wrap' => '%3$s',
            'depth' => 0,
            'walker' => ''
        );
        return wp_nav_menu($options);
    }

// theme path
    function theme_path() {
        echo get_template_directory_uri();
    }

    function get_theme_path() {
        return get_template_directory_uri();
    }

// check is mobile
    function is_mobile() {
        return preg_match("/(android|avantgo|blackberry|bolt|boost|cricket|docomo|fone|hiptop|mini|mobi|palm|phone|pie|tablet|up\.browser|up\.link|webos|wos)/i", $_SERVER["HTTP_USER_AGENT"]);
    }

// wp title
    function ah_wp_title($title, $sep) {
        global $paged, $page;
        if (is_feed())
            return $title;
        // Add the site name.
        $title .= get_bloginfo('name');
        // Add the site description for the home/front page.
        $site_description = get_bloginfo('description', 'display');
        if ($site_description && ( is_home() || is_front_page() )) {
            $title = "$title $sep $site_description";
        }
        // Add a page number if necessary.
        if ($paged >= 2 || $page >= 2) {
            $title = "$title $sep " . sprintf(__('Page %s', 'ah_lang'), max($paged, $page));
        }
        return $title;
    }

    if (!class_exists('All_in_One_SEO_Pack') && !function_exists('wpseo_get_value')) {
        //add_filter('wp_title', 'ah_wp_title', 10, 2);
    }

    // site title
    function siteTitle() {
        if (is_home()) {
            echo bloginfo('name');
        } elseif (is_404()) {
            echo '404 هيتر هەيە';
        } elseif (is_category()) {
            echo '';
            wp_title('');
        } elseif (is_search()) {
            echo 'گەران سەرکەوتووبوو';
        } elseif (is_day() || is_month() || is_year()) {
            echo 'ئەرشیف : ';
            wp_title('');
        } else {
            echo wp_title('');
        }
    }

// Custom Admin Bar Menus
    function ah_admin_bar() {
        global $wp_admin_bar;

        if (current_user_can('switch_themes')) {
            $wp_admin_bar->add_menu(array(
                'parent' => 0,
                'id' => 'mpanel_page',
                'title' => __('Theme - Panel', 'ah_lang'),
                'href' => admin_url('admin.php?page=T-Panel')
            ));
        }
    }

    add_action('wp_before_admin_bar_render', 'ah_admin_bar');

// Post Meta
    function post_meta($meta_name) {
        global $post;
        echo get_post_meta($post->ID, $meta_name, true);
    }

    function get_meta($meta_name) {
        global $post;
        return get_post_meta($post->ID, $meta_name, true);
    }

// og meta function
    function ah_og_meta() {
        global $post;
        if (has_post_thumbnail()) {
            $domsxe = simplexml_load_string(get_the_post_thumbnail());
            $post_thumb = $domsxe->attributes()->src;
        } else {
            $post_thumb = get_template_directory_uri() . '/no-image.gif';
        }
        //echo $post->post_content;
        $description = htmlspecialchars(strip_tags(strip_shortcodes($post->post_content)));
        ?>
        <meta property="og:title" content="<?php the_title(); ?>">
        <meta property="og:type" content="article">
        <meta property="og:description" content="<?php echo ah_content_limit($description, 100); ?>">
        <meta property="og:url" content="<?php the_permalink(); ?>">
        <meta property="og:site_name" content="<?php echo get_bloginfo('name') ?>">
        <?php
        if (!empty($post_thumb))
            echo '<meta property="og:image" content="' . $post_thumb . '"> <link rel="image_src" href="' . $post_thumb . '">';
    }

// avatar_img
    function avatar_img($email, $size = NULL) {
        // alternate gravatar code for < 2.5
        $default = '';
        $grav_url = "http://www.gravatar.com/avatar/" . md5(strtolower($email)) . "?d=" . urlencode($default) . "&amp;s=" . $size;
        return $grav_url;
    }

// post thumbnail
    function post_thumbnail() {
        global $post;
        $img_url = get_post_meta(get_the_ID(), 'post_image', true);
        if (has_post_thumbnail()) {
            the_post_thumbnail('evandr_post', array(
                'class' => 'postimg',
                'title' => get_the_title(),
                'alt' => get_the_title(),
            ));
        } elseif ($img_url != '') {
            echo '<img class="postimg" src="' . $img_url . '" alt="' . get_the_title() . '">';
        } else {
            // $output = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
            $output = preg_match_all('/<\s*img [^\>]*src\s*=\s*[\""\']?([^\""\'>]*)/i', htmlspecialchars_decode($post->post_content), $matches);
            $first_img = isset($matches [1] [0]) ? $matches [1] [0] : '';
            if (empty($first_img)) { //Defines a default image with 0 width
                echo '<img class="postimg" src="' . get_template_directory_uri() . '/no-image.gif" alt="' . get_the_title() . '">';
            } else {
                echo "<img class='postimg' src='$first_img' alt='" . get_the_title() . "'>";
            }
        }
    }

    function youtube_id_from_url($url) {
        $pattern = '%^# Match any youtube URL
        (?:https?://)?  # Optional scheme. Either http or https
        (?:www\.)?      # Optional www subdomain
        (?:             # Group host alternatives
          youtu\.be/    # Either youtu.be,
        | youtube\.com  # or youtube.com
          (?:           # Group path alternatives
            /embed/     # Either /embed/
          | /v/         # or /v/
          | /watch\?v=  # or /watch\?v=
          )             # End path alternatives.
        )               # End host alternatives.
        ([\w-]{10,12})  # Allow 10-12 for 11 char youtube id.
        $%x'
        ;
        $result = preg_match($pattern, $url, $matches);
        if (false !== $result) {
            return $matches[1];
        }
        return false;
    }

    function video_thumbnail($url) {
        $post_thumb = '';
        if (!empty($url)) {
            $post_thumb = 'http://img.youtube.com/vi/' . youtube_id_from_url($url) . '/0.jpg';
            echo '<img class="postimg" src="' . $post_thumb . '" alt="' . get_the_title() . '">';
        } else {
            echo '<img class="postimg" src="' . get_template_directory_uri() . '/no-image.gif" alt="' . get_the_title() . '">';
        }
    }

    function gallery_thumbnail($postid, $count) {
        $post_thumb = get_post_meta($postid, 'slideshow_img_' . $count, true);
        echo '<img class="postimg" src="' . $post_thumb . '" alt="' . get_the_title() . '">';
    }

// Post Video
    function ah_post_video($video_url, $height) {
        $width = '100%';
        $video_link = @parse_url($video_url);
        if ($video_link['host'] == 'www.youtube.com' || $video_link['host'] == 'youtube.com') {
            parse_str(@parse_url($video_url, PHP_URL_QUERY), $my_array_of_vars);
            $video = $my_array_of_vars['v'];
            $video_output = '<iframe style="width:' . $width . '; height:' . $height . ';" src="http://www.youtube.com/embed/' . $video . '?rel=0&wmode=opaque" allowfullscreen></iframe>';
        } elseif ($video_link['host'] == 'www.youtu.be' || $video_link['host'] == 'youtu.be') {
            $video = substr(@parse_url($video_url, PHP_URL_PATH), 1);
            $video_output = '<iframe style="width:' . $width . '; height:' . $height . ';" src="http://www.youtube.com/embed/' . $video . '?rel=0&wmode=opaque" allowfullscreen></iframe>';
        }
        if (!empty($video_output))
            echo $video_output;
    }

// add scripts and css to admin
    function ah_admin_enqueue() {
        wp_enqueue_script('custom_script', get_template_directory_uri() . '/assets/admin-scripts/admin.script.js', false, '1.0.0');
        wp_enqueue_style('admin_css', get_template_directory_uri() . '/assets/admin-scripts/admin.style.css', false, '1.0.0');
    }

    add_action('admin_enqueue_scripts', 'ah_admin_enqueue');

    // Nav Menus

    function Get_Menus($menu, $type) {
        //$get_menu = wp_get_nav_menu_object($locations[$menu_name]);
        //$menu_items = wp_get_nav_menu_items($get_menu->term_id);
        //$url = $menu_item->url;
        if ($type == 'menu') {
            $options = array(
                'theme_location' => '',
                'menu' => $menu,
                'container' => false,
                'container_class' => '',
                'container_id' => '',
                'menu_class' => '',
                'menu_id' => '',
                'echo' => true,
                'fallback_cb' => 'wp_page_menu',
                'before' => '',
                'after' => '',
                'link_before' => '',
                'link_after' => '',
                'items_wrap' => '%3$s',
                'depth' => 0,
                'walker' => ''
            );
        } else if ($type == 'select') {
            $options = array(
                'theme_location' => '',
                'menu' => $menu,
                'container' => '',
                'container_class' => '',
                'container_id' => '',
                'menu_class' => '',
                'menu_id' => '',
                'echo' => true,
                'fallback_cb' => 'wp_page_menu',
                'before' => '<option value="' . $url . '">',
                'after' => '</option>',
                'link_before' => '',
                'link_after' => '',
                'items_wrap' => '%3$s',
                'depth' => 0,
                'walker' => ''
            );
        }
        return wp_nav_menu($options);
    }

    //Delete all featured images by visiting /?delete-featured-images=1
    add_action('init', 'foo_bar_delete_featured', 0);

    function foo_bar_delete_featured() {

        # Check for logged in state
        if (!is_user_logged_in())
            return;

        # Check for admin role
        if (!current_user_can('manage_options'))
            return;

        # Check for query string
        if (isset($_GET['delete-featured-images']) && $_GET['delete-featured-images'] == 1) {
            global $wpdb;

            # Run a DQL to get all featured image rows
            $attachments = $wpdb->get_results("SELECT * FROM $wpdb->postmeta WHERE meta_key = '_thumbnail_id'");

            foreach ($attachments as $attachment) {

                # Run a DML to remove this featured image row
                $wpdb->query("DELETE FROM $wpdb->postmeta WHERE meta_id = '$attachment->meta_id' LIMIT 1");

                # Delete attachment DB rows and files
                wp_delete_attachment($attachment->meta_value, true);

                # Print to screen
                //show_message('Attachment #$attachment->meta_value deleted.');
            }
            exit;
        }
    }