<?php
/*
 *  Author: Todd Motto | @toddmotto
 *  URL: html5blank.com | @html5blank
 *  Custom functions, support, custom post types and more.
 */

/*------------------------------------*\
	External Modules/Files
\*------------------------------------*/

// Load any external files you have here

/*------------------------------------*\
	Theme Support
\*------------------------------------*/

if (!isset($content_width))
{
    $content_width = 900;
}

if (function_exists('add_theme_support'))
{
    // Add Menu Support
    add_theme_support('menus');

    // Add Thumbnail Theme Support
    add_theme_support('post-thumbnails');
    add_image_size('large', 700, '', true); // Large Thumbnail
    add_image_size('medium', 250, '', true); // Medium Thumbnail
    add_image_size('small', 120, '', true); // Small Thumbnail
    add_image_size('custom-230x90', 230, 90, true); // Custom Thumbnail Size for publication tiles
	add_image_size('custom-440', 440, 440, true); // Custom Thumbnail Size - currently using for gallery lightbox

    // Add Support for Custom Backgrounds - Uncomment below if you're going to use
    /*add_theme_support('custom-background', array(
	'default-color' => 'FFF',
	'default-image' => get_template_directory_uri() . '/img/bg.jpg'
    ));*/

    // Add Support for Custom Header - Uncomment below if you're going to use
    /*add_theme_support('custom-header', array(
	'default-image'			=> get_template_directory_uri() . '/img/headers/default.jpg',
	'header-text'			=> false,
	'default-text-color'		=> '000',
	'width'				=> 1000,
	'height'			=> 198,
	'random-default'		=> false,
	'wp-head-callback'		=> $wphead_cb,
	'admin-head-callback'		=> $adminhead_cb,
	'admin-preview-callback'	=> $adminpreview_cb
    ));*/

    // Enables post and comment RSS feed links to head
    add_theme_support('automatic-feed-links');

    // Localisation Support
    load_theme_textdomain('html5blank', get_template_directory() . '/languages');
}

/*------------------------------------*\
	Functions
\*------------------------------------*/


// Load HTML5 Blank scripts (header.php)
function html5blank_header_scripts()
{
    if ($GLOBALS['pagenow'] != 'wp-login.php' && !is_admin()) {

    	wp_register_script('conditionizr', get_template_directory_uri() . '/js/lib/conditionizr-4.3.0.min.js', array(), '4.3.0'); // Conditionizr
        wp_enqueue_script('conditionizr'); // Enqueue it!

        wp_register_script('modernizr', get_template_directory_uri() . '/js/lib/modernizr-2.7.1.min.js', array(), '2.7.1'); // Modernizr
        wp_enqueue_script('modernizr'); // Enqueue it!

    }
    
    wp_register_script('eq-height', get_template_directory_uri() . '/js/eq.js', array('jquery'), '1.0.0');
    wp_enqueue_script('eq-height'); // Enqueue it!
}

function html5blank_custom_script()
{
    if ($GLOBALS['pagenow'] != 'wp-login.php' && !is_admin()) {
	
        wp_register_script('erin_custom', get_template_directory_uri() . '/js/scripts.js', array('jquery'), '1.0.0'); // Custom scripts
        wp_enqueue_script('erin_custom'); // Enqueue it!

    }
        
}

// Load HTML5 Blank conditional scripts
function html5blank_conditional_scripts()
{
    if( is_page_template('template-frontpage.php') || is_page_template('template-our_culture.php') ) {
        wp_register_script('flexslider-js', get_template_directory_uri() . '/js/jquery.flexslider-min.js', array('jquery'), '2.5.0'); 
        wp_enqueue_script('flexslider-js'); // Enqueue it!
    
	    wp_register_style('flexslider-css', get_template_directory_uri() . '/css/flexslider.css', array(), '2.5.0', 'all');
	    wp_enqueue_style('flexslider-css'); // Enqueue it!
	
	}
	
	if( is_page_template('template-clients.php') ) {
        wp_register_script('isotope-js', get_template_directory_uri() . '/js/isotope.pkgd.min.js', array('jquery'), '2.2.2'); 
        wp_enqueue_script('isotope-js'); // Enqueue it!
		
	}
	if( is_page_template('template-clients.php') || is_page_template('template-our_culture.php') ||  is_page(13) ) {

        wp_register_script('fancybox-js', get_template_directory_uri() . '/js/jquery.fancybox.pack.js', array('jquery'), '2.1.5'); 
        wp_enqueue_script('fancybox-js'); // Enqueue it!
		
	    wp_register_style('fancybox-css', get_template_directory_uri() . '/css/jquery.fancybox.css', array(), '2.5.0', 'all');
	    wp_enqueue_style('fancybox-css'); // Enqueue it!
	}
	
	if( is_page(5) ) {

        wp_register_script('mlens-js', get_template_directory_uri() . '/js/jquery.mlens-1.5.min.js', array('jquery'), '1.5'); 
        wp_enqueue_script('mlens-js'); // Enqueue it!
		
	}


}

// Load HTML5 Blank styles
function html5blank_styles()
{
    wp_register_style('fontawesome', '//maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css', '4.4.0', 'all');
    wp_enqueue_style('fontawesome'); // Enqueue it!

    wp_register_style('normalize', get_template_directory_uri() . '/normalize.css', array(), '1.0', 'all');
    wp_enqueue_style('normalize'); // Enqueue it!

    wp_register_style('html5blank', get_template_directory_uri() . '/style.css', array(), '1.0', 'all');
    wp_enqueue_style('html5blank'); // Enqueue it!
		
}

// Register HTML5 Blank Navigation
function register_html5_menu()
{
    register_nav_menus(array( // Using array to specify more menus if needed
        'header-menu' => __('Header Menu', 'html5blank'), // Main Navigation
        'footer-menu' => __('Footer Menu', 'html5blank'), // Sidebar Navigation
        'upper-menu' => __('Upper Right Menu', 'html5blank') // Upper Right Navigation
    ));
}

// Remove the <div> surrounding the dynamic navigation to cleanup markup
function my_wp_nav_menu_args($args = '')
{
    $args['container'] = false;
    return $args;
}

// Remove Injected classes, ID's and Page ID's from Navigation <li> items
function my_css_attributes_filter($var)
{
    return is_array($var) ? array() : '';
}

// Remove invalid rel attribute values in the categorylist
function remove_category_rel_from_category_list($thelist)
{
    return str_replace('rel="category tag"', 'rel="tag"', $thelist);
}

// Add page slug to body class, love this - Credit: Starkers Wordpress Theme
function add_slug_to_body_class($classes)
{
    global $post;
    if (is_home()) {
        $key = array_search('blog', $classes);
        if ($key > -1) {
            unset($classes[$key]);
        }
    } elseif (is_page()) {
        $classes[] = sanitize_html_class($post->post_name);
    } elseif (is_singular()) {
        $classes[] = sanitize_html_class($post->post_name);
    }

    return $classes;
}

// If Dynamic Sidebar Exists
if (function_exists('register_sidebar')) {
	// No widgets for this theme
}

// Remove wp_head() injected Recent Comment styles
function my_remove_recent_comments_style()
{
    global $wp_widget_factory;
    remove_action('wp_head', array(
        $wp_widget_factory->widgets['WP_Widget_Recent_Comments'],
        'recent_comments_style'
    ));
}

// Remove comments on media
function filter_media_comment_status( $open, $post_id ) {
	$post = get_post( $post_id );
	if( $post->post_type == 'attachment' ) {
		return false;
	}
	return $open;
}
add_filter( 'comments_open', 'filter_media_comment_status', 10 , 2 );

// Pagination for paged posts, Page 1, Page 2, Page 3, with Next and Previous Links, No plugin
function html5wp_pagination()
{
    global $wp_query;
    $big = 999999999;
    echo paginate_links(array(
        'base' => str_replace($big, '%#%', get_pagenum_link($big)),
        'format' => '?paged=%#%',
        'current' => max(1, get_query_var('paged')),
        'total' => $wp_query->max_num_pages
    ));
}

// Custom Excerpts
function short_excerpt($length) // Create 15 Word Callback for Index page Excerpts, call using html5wp_excerpt('short_excerpt');
{
    return 15;
}
function html5wp_index($length) // Create 25 Word Callback for Index page Excerpts, call using html5wp_excerpt('html5wp_index');
{
    return 25;
}

// Create 40 Word Callback for Custom Post Excerpts, call using html5wp_excerpt('html5wp_custom_post');
function html5wp_custom_post($length)
{
    return 40;
}

// Create 60 Word Callback for Custom Post Excerpts, call using html5wp_excerpt('long_excerpt');
function long_excerpt($length)
{
    return 60;
}

// Create the Custom Excerpts callback
function html5wp_excerpt($length_callback = '', $more_callback = '')
{
    global $post;
    if (function_exists($length_callback)) {
        add_filter('excerpt_length', $length_callback);
    }
    if (function_exists($more_callback)) {
        add_filter('excerpt_more', $more_callback);
    }
    $output = get_the_excerpt();
    $output = apply_filters('wptexturize', $output);
    $output = apply_filters('convert_chars', $output);
    $output = '<p>' . $output . '</p>';
    echo $output;
}

// Custom View Article link to Post
function html5_blank_view_article($more)
{
    global $post;
    return '... <br /><a class="view-article" href="' . get_permalink($post->ID) . '">' . __('Read more >', 'html5blank') . '</a>';
}

// Remove Admin bar
function remove_admin_bar()
{
    return true;
}


// Remove Categories and Tags from Posts by hiding them

// Remove from the menu
add_action('admin_menu', 'my_remove_sub_menus');

function my_remove_sub_menus() {
    remove_submenu_page('edit.php', 'edit-tags.php?taxonomy=category');
    remove_submenu_page('edit.php', 'edit-tags.php?taxonomy=post_tag');
}

// Remove meta boxes on Edit Posts
add_action('admin_menu','remove_my_post_metaboxes');

function remove_my_post_metaboxes() {
  remove_meta_box( 'categorydiv','post','normal' ); // Categories Metabox
  remove_meta_box( 'tagsdiv-post_tag','post','normal' ); // Tags Metabox
}

function my_manage_columns( $columns ) {
    unset($columns['categories'], $columns['tags']);
    return $columns;
}

function my_column_init() {
    add_filter( 'manage_posts_columns' , 'my_manage_columns' );
}

add_action( 'admin_init' , 'my_column_init' );

// Remove 'text/css' from our enqueued stylesheet
function html5_style_remove($tag)
{
    return preg_replace('~\s+type=["\'][^"\']++["\']~', '', $tag);
}

// Remove thumbnail width and height dimensions that prevent fluid images in the_thumbnail
function remove_thumbnail_dimensions( $html )
{
    $html = preg_replace('/(width|height)=\"\d*\"\s/', "", $html);
    return $html;
}

// Custom Gravatar in Settings > Discussion
function html5blankgravatar ($avatar_defaults)
{
    $myavatar = get_template_directory_uri() . '/img/gravatar.jpg';
    $avatar_defaults[$myavatar] = "Custom Gravatar";
    return $avatar_defaults;
}

// Threaded Comments
function enable_threaded_comments()
{
    if (!is_admin()) {
        if (is_singular() AND comments_open() AND (get_option('thread_comments') == 1)) {
            wp_enqueue_script('comment-reply');
        }
    }
}

// Custom Comments Callback
function html5blankcomments($comment, $args, $depth)
{
	$GLOBALS['comment'] = $comment;
	extract($args, EXTR_SKIP);

	if ( 'div' == $args['style'] ) {
		$tag = 'div';
		$add_below = 'comment';
	} else {
		$tag = 'li';
		$add_below = 'div-comment';
	}
?>
    <!-- heads up: starting < for the html tag (li or div) in the next line: -->
    <<?php echo $tag ?> <?php comment_class(empty( $args['has_children'] ) ? '' : 'parent') ?> id="comment-<?php comment_ID() ?>">
	<?php if ( 'div' != $args['style'] ) : ?>
	<div id="div-comment-<?php comment_ID() ?>" class="comment-body">
	<?php endif; ?>
	<div class="comment-author vcard">
	<?php if ($args['avatar_size'] != 0) echo get_avatar( $comment, $args['180'] ); ?>
	<?php printf(__('<cite class="fn">%s</cite> <span class="says">says:</span>'), get_comment_author_link()) ?>
	</div>
<?php if ($comment->comment_approved == '0') : ?>
	<em class="comment-awaiting-moderation"><?php _e('Your comment is awaiting moderation.') ?></em>
	<br />
<?php endif; ?>

	<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>

	<?php comment_text() ?>

	<div class="reply">
	<?php comment_reply_link(array_merge( $args, array('add_below' => $add_below, 'depth' => $depth, 'max_depth' => $args['max_depth']))) ?>
	</div>
	<?php if ( 'div' != $args['style'] ) : ?>
	</div>
	<?php endif; ?>
<?php }


// Change default for uploaded images to link to none
update_option('image_default_link_type','none');


if( function_exists('acf_add_options_page') ) {

	acf_add_options_page('Theme Options');
	
}

/*------------------------------------*\
	Actions + Filters + ShortCodes
\*------------------------------------*/

// Add Actions
add_action('init', 'html5blank_header_scripts'); // Add Custom Scripts to wp_head
add_action('wp_enqueue_scripts', 'html5blank_conditional_scripts'); // Add Conditional Page Scripts
add_action('wp_enqueue_scripts', 'html5blank_custom_script'); // Add Custom Script last

add_action('get_header', 'enable_threaded_comments'); // Enable Threaded Comments
add_action('wp_enqueue_scripts', 'html5blank_styles'); // Add Theme Stylesheet
add_action('init', 'register_html5_menu'); // Add HTML5 Blank Menu
add_action('widgets_init', 'my_remove_recent_comments_style'); // Remove inline Recent Comment Styles from wp_head()
add_action('init', 'html5wp_pagination'); // Add our HTML5 Pagination

// Remove Actions
remove_action('wp_head', 'feed_links_extra', 3); // Display the links to the extra feeds such as category feeds
remove_action('wp_head', 'feed_links', 2); // Display the links to the general feeds: Post and Comment Feed
remove_action('wp_head', 'rsd_link'); // Display the link to the Really Simple Discovery service endpoint, EditURI link
remove_action('wp_head', 'wlwmanifest_link'); // Display the link to the Windows Live Writer manifest file.
remove_action('wp_head', 'index_rel_link'); // Index link
remove_action('wp_head', 'parent_post_rel_link', 10, 0); // Prev link
remove_action('wp_head', 'start_post_rel_link', 10, 0); // Start link
remove_action('wp_head', 'adjacent_posts_rel_link', 10, 0); // Display relational links for the posts adjacent to the current post.
remove_action('wp_head', 'wp_generator'); // Display the XHTML generator that is generated on the wp_head hook, WP version
remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0);
remove_action('wp_head', 'rel_canonical');
remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0);

// Add Filters
add_filter('avatar_defaults', 'html5blankgravatar'); // Custom Gravatar in Settings > Discussion
add_filter('body_class', 'add_slug_to_body_class'); // Add slug to body class (Starkers build)
add_filter('widget_text', 'do_shortcode'); // Allow shortcodes in Dynamic Sidebar
add_filter('widget_text', 'shortcode_unautop'); // Remove <p> tags in Dynamic Sidebars (better!)
add_filter('wp_nav_menu_args', 'my_wp_nav_menu_args'); // Remove surrounding <div> from WP Navigation
// add_filter('nav_menu_css_class', 'my_css_attributes_filter', 100, 1); // Remove Navigation <li> injected classes (Commented out by default)
// add_filter('nav_menu_item_id', 'my_css_attributes_filter', 100, 1); // Remove Navigation <li> injected ID (Commented out by default)
// add_filter('page_css_class', 'my_css_attributes_filter', 100, 1); // Remove Navigation <li> Page ID's (Commented out by default)
add_filter('the_category', 'remove_category_rel_from_category_list'); // Remove invalid rel attribute
add_filter('the_excerpt', 'shortcode_unautop'); // Remove auto <p> tags in Excerpt (Manual Excerpts only)
add_filter('the_excerpt', 'do_shortcode'); // Allows Shortcodes to be executed in Excerpt (Manual Excerpts only)
add_filter('excerpt_more', 'html5_blank_view_article'); // Add 'View Article' button instead of [...] for Excerpts
// add_filter('show_admin_bar', 'remove_admin_bar'); // Remove Admin bar
add_filter('style_loader_tag', 'html5_style_remove'); // Remove 'text/css' from enqueued stylesheet
add_filter('post_thumbnail_html', 'remove_thumbnail_dimensions', 10); // Remove width and height dynamic attributes to thumbnails
add_filter('image_send_to_editor', 'remove_thumbnail_dimensions', 10); // Remove width and height dynamic attributes to post images

// Remove Filters
remove_filter('the_excerpt', 'wpautop'); // Remove <p> tags from Excerpt altogether

// Shortcodes
add_shortcode( 'row', 'row_shortcode' );
add_shortcode( 'column', 'column_shortcode' );


/*------------------------------------*\
	ShortCode Functions
\*------------------------------------*/


// Add Row Shortcode
function row_shortcode( $attr , $content = null ) {
	
	// Attributes
	$attr = shortcode_atts(	array(
			'class' => '',
		), $attr );

	return '<div class="row clear ' . esc_attr($attr['class'] ) . '">' . do_shortcode($content) . '</div>';
}
// [row class="foo"][/row]


// Add Column Shortcode
function column_shortcode( $attr , $content = null ) {

	// Attributes
	$attr = shortcode_atts(	array(
			'grid' => '',
			'class' => '',
			'position' => '',
		), $attr );

	// Code
	return '<div class="col ' . esc_attr($attr['position'] ) . ' ' . esc_attr($attr['grid'] ) . ' ' . esc_attr($attr['class'] ) .  '">' . ' ' . do_shortcode($content) . '</div>';
}
// [column grid="one-fourth" class="foo" position="first"][/column]

// include MailChimp

add_action('acf/save_post', 'my_save_post');

function my_save_post( $post_id ) {
	
	// bail early if not a contact_form post
	if( get_post_type($post_id) !== 'message' ) {
		
		return;
		
	}
	
	
	// bail early if editing in admin
	if( is_admin() ) {
		
		return;
		
	}
	
	
	// vars
	$post = get_post( $post_id );
	
	
	// get custom fields (field group exists for content_form)
	$name = get_field('first_name', $post_id) . " " . get_field('last_name', $post_id);
	$email = get_field('email', $post_id);
	$mailing_list = get_field('mailing_list', $post_id);
	
	// email data
	$to = get_field('subject', $post_id); // email is in the value of the select
	$headers = 'From: ' . $name . ' <' . $email . '>' . "\r\n";
	
	$field = get_field_object('subject');
    $value = get_field('subject');
    $subject_line = $field['choices'][ $value ];


	$subject = $name . " " . $email . " - " . $subject_line;
	$body = get_field('message_content','options');
	$body = str_replace("{{first_name}}", get_field('first_name', $post_id), $body);
	$body = str_replace("{{last_name}}", get_field('last_name', $post_id), $body);
	$body = str_replace("{{title}}", get_field('title', $post_id), $body);
	$body = str_replace("{{organization}}", get_field('organization', $post_id), $body);
	$body = str_replace("{{email}}", get_field('email', $post_id), $body);
	$body = str_replace("{{telephone}}", get_field('telephone', $post_id), $body);
	$body = str_replace(" {{attached_file_url}}", get_field('file', $post_id), $body);
	
	// Update post 37
    $my_post = array(
      'ID'           => $post_id,
      'post_title'   => $subject
    );
    
    // Update the post into the database
    wp_update_post( $my_post );
    
    if($mailing_list){
        
        $data = [
            'email'     => $email,
            'status'    => 'subscribed',
            'firstname' => get_field('first_name', $post_id),
            'lastname'  => get_field('last_name', $post_id)
        ];
    
        syncMailchimp($data);
    }
    
    // send email
	wp_mail($to, $subject, $body, $headers );
    
}

function syncMailchimp($data) {
    $apiKey = 'cb0eb65d0f5f94da34c683e7f96829ed-us10';
    $listId = 'b1bf9cc021';

    $memberId = md5(strtolower($data['email']));
    $dataCenter = substr($apiKey,strpos($apiKey,'-')+1);
    $url = 'https://' . $dataCenter . '.api.mailchimp.com/3.0/lists/' . $listId . '/members/' . $memberId;

    $json = json_encode([
        'email_address' => $data['email'],
        'status'        => $data['status'], // "subscribed","unsubscribed","cleaned","pending"
        'merge_fields'  => [
            'FNAME'     => $data['firstname'],
            'LNAME'     => $data['lastname']
        ]
    ]);

    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_USERPWD, 'user:' . $apiKey);
    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 10);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $json);                                                                                                                 

    $result = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);

    return $httpCode;
}