<?php
/**
 * Blissful Blog functions and definitions
 *
 * @package Blissful Blog
 * @since Blissful Blog 3.0
 */

/**
 * Set the content width based on the theme's design and stylesheet.
 *
 * @since Blissful Blog 3.0
 */
if ( ! isset( $content_width ) )
	$content_width = 760;

/**
 * Adjust the content width for pages with sidebar.
 *
 * @since Blissful Blog 3.0
 */
function blissful_blog_set_content_width() {
	global $content_width;

	if ( is_page() && is_active_sidebar( 'sidebar-1' ) && ! is_page_template( 'wide-page.php' ) )
		$content_width = 495;
}
add_action( 'template_redirect', 'blissful_blog_set_content_width' );


if ( ! function_exists( 'blissful_blog_setup' ) ):
/**
 * Sets up theme defaults and registers support for various WordPress features.
 *
 * Note that this function is hooked into the after_setup_theme hook, which runs
 * before the init hook. The init hook is too late for some features, such as indicating
 * support post thumbnails.
 */
function blissful_blog_setup() {

	/**
	 * Make theme available for translation
	 */
	load_theme_textdomain( 'blissful-blog', get_template_directory() . '/languages' );

	/**
	 * Add default posts and comments RSS feed links to head
	 */
	add_theme_support( 'automatic-feed-links' );

	/**
	 * Enable support for Post Thumbnails
	 */
	add_theme_support( 'post-thumbnails' );
	add_image_size( 'page',     920, 640, true ); // Page Featured Image
	add_image_size( 'category', 760, 520       ); // Category Thumbnails
	add_image_size( 'search',   190, 190, true ); // Search Thumbnails
	add_image_size( 'gallery',  380, 260, true ); // Gallery Page Thumbnails

	/**
	 * This theme uses wp_nav_menu() in one location.
	 */
	register_nav_menus( array(
		'primary' => __( 'Primary Menu', 'blissful-blog' ),
	) );

	/**
	 * Setup the WordPress core custom background feature.
	 */
	add_theme_support( 'custom-background', apply_filters( 'blissful_blog_custom_background_args', array(
		'default-color' => 'EAF6F7',
		'default-image' => '%s/images/bg_pattern.png',
	) ) );

	add_theme_support( 'featured-content', array(
		'featured_content_filter' => 'blissful_blog_get_featured_posts',
		'description'             => __( 'The featured content section displays on the front page above the first post in the content area.', 'blissful-blog' ),
		'max_posts'               => 10,
		'post_types'              => array( 'post', 'page' ),
	) );
}
endif; // blissful_blog_setup
add_action( 'after_setup_theme', 'blissful_blog_setup' );


/**
 * Enqueue scripts and styles
 */
function blissful_blog_scripts() {
	wp_enqueue_style( 'style', get_stylesheet_uri() );

	wp_enqueue_script( 'blissful-blog-small-menu', get_template_directory_uri() . '/js/small-menu.js', array( 'jquery' ), '20120206', true );

	if ( is_home() && blissful_blog_has_multiple_featured_posts() ) {
		wp_enqueue_style( 'blissful-blog-flex-slider-style', get_template_directory_uri() . '/js/flex-slider/flexslider.css' );
		wp_enqueue_script( 'blissful-blog-flex-slider', get_template_directory_uri() . '/js/flex-slider/jquery.flexslider-min.js', array( 'jquery' ) );
		wp_enqueue_script( 'blissful-blog-custom-scripts', get_template_directory_uri() . '/js/custom-scripts.js', array( 'blissful-blog-flex-slider' ), '20120206', true );
	}

	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) )
		wp_enqueue_script( 'comment-reply' );

	if ( is_singular() && wp_attachment_is_image() )
		wp_enqueue_script( 'blissful-blog-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20120202' );
}
add_action( 'wp_enqueue_scripts', 'blissful_blog_scripts' );


/**
* Register Google Fonts style.
*/
function blissful_blog_register_fonts() {
	wp_register_style(
		'blissful-blog-googlefonts',
		"https://fonts.googleapis.com/css?family=Droid+Serif:400,700",
		array(),
		'20120821'
	);
}
add_action( 'init', 'blissful_blog_register_fonts' );


/**
 * Get our wp_nav_menu() fallback, wp_page_menu(), to show a home link.
 */
function blissful_blog_page_menu_args( $args ) {
	$args['show_home'] = true;
	return $args;
}
add_filter( 'wp_page_menu_args', 'blissful_blog_page_menu_args' );


/**
 * Adds custom classes to the array of body classes.
 */
function blissful_blog_body_classes( $classes ) {
	// Adds a class of group-blog to blogs with more than 1 published author
	if ( is_multi_author() )
		$classes[] = 'group-blog';

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


/**
 * Register widgetized area and update sidebar with default widgets
 */
function blissful_blog_widgets_init() {
	register_sidebar( array(
		'name'          => __( 'Sidebar', 'blissful-blog' ),
		'id'            => 'sidebar-1',
		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
		'after_widget'  => '</aside>',
		'before_title'  => '<h4 class="widget-title">',
		'after_title'   => '</h4>',
	) );
	register_sidebar( array(
		'name'          => __( 'Footer Left', 'blissful-blog' ),
		'id'            => 'sidebar-2',
		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
		'after_widget'  => '</aside>',
		'before_title'  => '<h4 class="widget-title">',
		'after_title'   => '</h4>',
	) );
	register_sidebar( array(
		'name'          => __( 'Footer Mid', 'blissful-blog' ),
		'id'            => 'sidebar-3',
		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
		'after_widget'  => '</aside>',
		'before_title'  => '<h4 class="widget-title">',
		'after_title'   => '</h4>',
	) );
	register_sidebar( array(
		'name'          => __( 'Footer Right', 'blissful-blog' ),
		'id'            => 'sidebar-4',
		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
		'after_widget'  => '</aside>',
		'before_title'  => '<h4 class="widget-title">',
		'after_title'   => '</h4>',
	) );
}
add_action( 'widgets_init', 'blissful_blog_widgets_init' );

/**
 * Filters wp_title to print a neat <title> tag based on what is being viewed.
 *
 * @since Blissful Blog 3.0
 */
function blissful_blog_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', 'blissful-blog' ), max( $paged, $page ) );

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

/**
 * Custom template tags for this theme.
 */
require get_template_directory() . '/inc/template-tags.php';

/**
 * Implement the Custom Header feature.
 */
require get_template_directory() . '/inc/custom-header.php';