<?php
/**
 * Custom functions that act independently of the theme templates
 *
 * Eventually, some of the functionality here could be replaced by core features
 *
 * @package vantage
 * @since vantage 1.0
 * @license GPL 2.0
 */


if ( !function_exists( 'vantage_page_menu_args' ) ) :
/**
 * Get our wp_nav_menu() fallback, wp_page_menu(), to show a home link.
 *
 * @since vantage 1.0
 */
function vantage_page_menu_args( $args ) {
	$args['show_home'] = true;
	return $args;
}
endif;
add_filter( 'wp_page_menu_args', 'vantage_page_menu_args' );


if ( !function_exists( 'vantage_body_classes' ) ) :
/**
 * Adds custom classes to the array of body classes.
 *
 * @since vantage 1.0
 */
function vantage_body_classes( $classes ) {
	// Adds a class of group-blog to blogs with more than 1 published author
	if ( is_multi_author() ) {
		$classes[] = 'group-blog';
	}

	if( siteorigin_setting('layout_responsive') ) {
		$classes[] = 'responsive';
	}
	$classes[] = 'layout-'.siteorigin_setting('layout_bound');
	$classes[] = 'no-js';

	$is_full_width_template = is_page_template( 'templates/template-full.php' ) || is_page_template( 'templates/template-full-notitle.php' );
	if( !$is_full_width_template ) {
		$wc_shop_sidebar = vantage_is_woocommerce_active() && is_shop() && is_active_sidebar( 'shop' );
		if( !is_active_sidebar('sidebar-1') && !$wc_shop_sidebar ) {
			$classes[] = 'no-sidebar';
		}
		else {
			$classes[] = 'has-sidebar';
		}
	}

	if( is_customize_preview() ) {
		$classes[] = 'so-vantage-customizer-preview';
	}

	if( wp_is_mobile() ) {
		$classes[] = 'so-vantage-mobile-device';
	}
	$mega_menu_active = function_exists( 'max_mega_menu_is_enabled' ) && max_mega_menu_is_enabled( 'primary' );
	if(siteorigin_setting('navigation_menu_search') && !$mega_menu_active) {
		$classes[] = 'has-menu-search';
	}

	if( siteorigin_setting('layout_force_panels_full') ) {
		$classes[] = 'panels-style-force-full';
	}

	$page_settings = siteorigin_page_setting();

	if( !empty( $page_settings ) ) {
		if( !empty( $page_settings['layout'] ) ) $classes[] = 'page-layout-' . $page_settings['layout'];

		if( empty( $page_settings['masthead_margin'] ) ) $classes[] = 'page-layout-no-masthead-margin';
		if( empty( $page_settings['footer_margin'] ) ) $classes[] = 'page-layout-no-footer-margin';
		if( !empty( $page_settings['hide_masthead'] ) ) $classes[] = 'page-layout-hide-masthead';
		if( !empty( $page_settings['hide_footer_widgets'] ) ) $classes[] = 'page-layout-hide-footer-widgets';
	}

	if ( is_page() && is_page_template() ) {
		$classes[] = 'not-default-page';
	}

	return $classes;
}
endif;
add_filter( 'body_class', 'vantage_body_classes' );


if ( !function_exists( 'vantage_enhanced_image_navigation' ) ) :
/**
 * Filter in a link to a content ID attribute for the next/previous image links on image attachment pages
 *
 * @since vantage 1.0
 */
function vantage_enhanced_image_navigation( $url, $id ) {
	if ( ! is_attachment() && ! wp_attachment_is_image( $id ) )
		return $url;

	$image = get_post( $id );
	if ( ! empty( $image->post_parent ) && $image->post_parent != $id )
		$url .= '#main';

	return $url;
}
endif;
add_filter( 'attachment_link', 'vantage_enhanced_image_navigation', 10, 2 );


if ( !function_exists( 'vantage_wp_title' ) ) :
/**
 * Filters wp_title to print a neat <title> tag based on what is being viewed.
 *
 * @since vantage 1.0
 */
function vantage_wp_title( $title, $sep ) {
	global $page, $paged;

	if ( is_feed() )
		return $title;

	// Add the blog name
	$title .= get_bloginfo( 'name' );

	// Add the blog description for the home/front page.
	$site_description = get_bloginfo( 'description', 'display' );
	if ( $site_description && ( is_home() || is_front_page() ) )
		$title .= " $sep $site_description";

	// Add a page number if necessary:
	if ( $paged >= 2 || $page >= 2 )
		$title .= " $sep " . sprintf( __( 'Page %s', 'vantage' ), max( $paged, $page ) );

	return $title;
}
endif;
add_filter( 'wp_title', 'vantage_wp_title', 10, 2 );


if ( !function_exists( 'vantage_footer_widget_style' ) ) :
/**
 * Add the styles to set the size of the footer widgets
 */
function vantage_footer_widget_style(){
	$widgets = wp_get_sidebars_widgets();
	if(empty($widgets['sidebar-footer'])) return;

	$count = count($widgets['sidebar-footer']);
	?><style type="text/css" id="vantage-footer-widgets">#footer-widgets aside { width : <?php echo round(100/$count,3) ?>%; } </style> <?php
}
endif;
add_action('wp_head', 'vantage_footer_widget_style', 15);

if ( ! function_exists( 'vantage_excerpt_length' ) ) :
/*
 * Filter the except length
 */
function vantage_excerpt_length( $length ) {
	return siteorigin_setting( 'blog_excerpt_length' );
}
endif;
add_filter( 'excerpt_length', 'vantage_excerpt_length', 10 );