<?php
/**
 * WordPress.com-specific functions and definitions.
 *
 * This file is centrally included from `wp-content/mu-plugins/wpcom-theme-compat.php`.
 *
 * @package Cyanotype
 */

/**
 * Adds support for wp.com-specific theme functions.
 *
 * @global array $themecolors
 */
function cyanotype_wpcom_setup() {
	global $themecolors;

	// Set theme colors for third party services.
	if ( ! isset( $themecolors ) ) {
		$themecolors = array(
			'bg'     => '001e2b',
			'border' => 'ffffff',
			'text'   => 'ffffff',
			'link'   => 'ffffff',
			'url'    => 'ffffff',
		);
	}

	// Add print stylesheet.
	add_theme_support( 'print-style' );
}
add_action( 'after_setup_theme', 'cyanotype_wpcom_setup' );

/**
 * Enqueue wp.com-specific styles
 */
function cyanotype_wpcom_styles() {
	wp_enqueue_style( 'cyanotype-wpcom', get_template_directory_uri() . '/inc/style-wpcom.css', '20150302' );
}
add_action( 'wp_enqueue_scripts', 'cyanotype_wpcom_styles' );

/**
 * De-queue Google fonts if custom fonts are being used instead.
 */
function cyanotype_dequeue_fonts() {
	if ( class_exists( 'TypekitData' ) && class_exists( 'CustomDesign' ) && CustomDesign::is_upgrade_active() ) {
		$customfonts = TypekitData::get( 'families' );

		if ( $customfonts['headings']['id'] && $customfonts['body-text']['id'] ) {
			wp_dequeue_style( 'cyanotype-fonts' );
		}
	}
}
add_action( 'wp_enqueue_scripts', 'cyanotype_dequeue_fonts' );

/**
 * Remove the widont filter because of the limited space for post/page title in the design.
 */
function cyanotype_wido() {
	remove_filter( 'the_title', 'widont' );
}
add_action( 'init', 'cyanotype_wido' );

/**
 * Reset a custom background arguments for WP.com to use the default callback.
 */
function cyanotype_wpcom_custom_background_args( $args ) {
	$args = array(
		'default-color'    => '001f2c',
		'wp-head-callback' => '_custom_background_cb'
	);

	return $args;
}
add_filter( 'cyanotype_custom_background_args', 'cyanotype_wpcom_custom_background_args' );

/**
 * Remove text shadow when you add a background image.
 */
function cyanotype_remove_text_shadow() {
	$css = '';

	if ( ! get_background_image() ) {
		return;
	} else {
		$css .= '.entry-content a, .entry-footer .author-bio a, .page-content a, .taxonomy-description a, .logged-in-as a, .comment-content a, .pingback .comment-body > a, .textwidget a, .aboutme_widget a, .widget_gravatar a, .widget-grofile a, .image-navigation a:hover, .comment-navigation a:hover, .post-navigation a:hover .post-title, .entry-date a:hover, .entry-footer a:hover, .site-title a:hover, .entry-title a:hover, .comment-author a:hover, .comment-metadata a:hover, .pingback .edit-link a:hover, .site-info a:hover, #infinite-footer .blog-credits a:hover { text-shadow: none; }';
	}
	wp_add_inline_style( 'cyanotype-style', $css );
}
add_action( 'wp_enqueue_scripts', 'cyanotype_remove_text_shadow' );

/**
 * De-queue dotorg-customizer.js because we don't need it with Colors.
 */
function cyanotype_dequeue_dotorg_customizer() {
	wp_dequeue_script( 'cyanotype-dotorg-customizer' );
}
add_action( 'wp_enqueue_scripts', 'cyanotype_dequeue_dotorg_customizer' );

/**
 * Adds custom classes to the array of body classes.
 *
 * @param array $classes Classes for the body element.
 * @return array
 */
function cyanotype_wpcom_body_classes( $classes ) {

	//Add a class of widgets-hidden if the sidebar is active for Direct Manipulation
	if ( is_active_sidebar( 'sidebar-1' ) ) {
		$classes[] = 'widgets-hidden';
	}

	return $classes;
}
add_filter( 'body_class', 'cyanotype_wpcom_body_classes' );