<?php

/* Loads the Options Settings. */
if ( !function_exists( 'optionsframework_init' ) ) {
	define( 'OPTIONS_FRAMEWORK_DIRECTORY', get_template_directory_uri() . '/admin/' );
	require_once dirname( __FILE__ ) . '/admin/options-framework.php';
}

/**
 * Define Theme setup
 * 
 * @since 0.0.1
 */
add_action( 'after_setup_theme', 'foto_setup' );
function foto_setup() {
	
	/* Set the content width based on the theme's design and stylesheet. */
	global $content_width;
	if ( ! isset( $content_width ) ) $content_width = 700;
	
	/* Make foto available for translation. */
	load_theme_textdomain( 'foto', get_template_directory() . '/languages' );
			
	/* WordPress theme support. */
	add_editor_style();
	add_theme_support( 'automatic-feed-links' );
	add_theme_support( 'custom-background' );
	register_nav_menus( array(
			'primary' => __( 'Footer Navigation', 'foto' )
		) );
	add_theme_support( 'post-thumbnails' );
	add_image_size( 'foto-featured' , 700, 300, true );
	add_image_size( 'foto-home-thumbnail' , 220, 150, true );
	add_image_size( 'foto-single-thumbnail' , 700, 350, true );

	/* Enqueue styles & scripts. */
	add_action( 'wp_enqueue_scripts', 'foto_enqueue_scripts' );

	/* Deregister wp-pagenavi style. */
	add_action( 'wp_print_styles', 'foto_deregister_styles', 100 );

	/* Comment reply script. */
	add_action( 'comment_form_before', 'foto_enqueue_comment_reply_script' );

	/* Remove gallery inline style. */
	add_filter( 'use_default_gallery_style', '__return_false' );

	/* wp_title filter. */
	add_filter( 'wp_title', 'foto_title', 10, 2 );

	/* Custom body class. */
	add_filter( 'body_class', 'foto_body_classes' );

	/* Add new contact method. */
	add_filter('user_contactmethods','foto_new_contactmethods', 10, 1 );

	/* Customize tag cloud. */
	add_filter( 'widget_tag_cloud_args', 'foto_new_tag_cloud' );

	/* next/previous image links on image attachment pages. */
	add_filter( 'attachment_link', 'foto_enhanced_image_navigation', 10, 2 );

	/* Register sidebars & custom widget. */
	add_action( 'widgets_init', 'foto_widgets_init' );
	
	/**
	 * Load required files
	 */
	require( get_template_directory() . '/includes/extensions.php' );
	require( get_template_directory() . '/includes/templates.php' );
	require( get_template_directory() . '/includes/options-functions.php' );

} // end foto_setup

/**
 * Enqueue styles & scripts.
 *
 * @since 0.0.1
 */
function foto_enqueue_scripts() {
	global $post;

	wp_enqueue_style( 'foto-fonts', 'http://fonts.googleapis.com/css?family=Lato:400,700,400italic|Oswald:300', '', '1.0', 'all' );

	wp_enqueue_style( 'foto-style', get_stylesheet_uri(), false, '1.2', 'all' );

	wp_enqueue_script( 'jquery' );

	if ( is_singular() && wp_attachment_is_image( $post->ID ) ) {
		wp_enqueue_script( 'foto-keyboard-image-navigation', get_template_directory_uri() . '/js/vendor/keyboard-image-navigation.js', array( 'jquery' ), '1.0' );
	}
	
	wp_enqueue_script( 'foto-plugins', get_template_directory_uri() . '/js/plugins.js', array( 'jquery' ), '1.0', true );
	
	wp_enqueue_script( 'foto-methods', get_template_directory_uri() . '/js/methods.js', array( 'jquery' ), '1.0', true );
	
}

/**
 * Deregister default wp-pagenavi style
 *
 * @since 0.0.1
 */
function foto_deregister_styles() {
	wp_deregister_style( 'wp-pagenavi' );
}

/**
 * Comment reply js
 *
 * @since 0.0.4
 */
function foto_enqueue_comment_reply_script() {
	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
		wp_enqueue_script( 'comment-reply' );
	}
}

/**
 * Redirect to the Dashboard Page when after user activated the theme.
 * 
 * @since 1.1
 */
global $pagenow;
if ( is_admin() && isset( $_GET['activated'] ) && $pagenow == 'themes.php' ) {

	wp_redirect( admin_url( 'themes.php?page=options-framework' ) );
	exit;
	
}

/**
 * Creates a nicely formatted and more specific title element text
 * for output in head of document, based on current view.
 *
 * @since 1.1
 */
function foto_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', 'foto' ), max( $paged, $page ) );

	return $title;
}

/**
 * Adds custom classes to the array of body classes.
 *
 * @since 0.0.1
 */
function foto_body_classes( $classes ) {
	// Adds a class of group-blog & multi-author to blogs with more than 1 published author
	if ( is_multi_author() ) {
		$classes[] = 'multi-author';
	}

	return $classes;
}

/**
 * Add a twitter contact info
 *
 * @since 0.0.1
 */
function foto_new_contactmethods( $contactmethods ) {
    $contactmethods['twitter'] = 'Twitter'; // Add Twitter
	
    return $contactmethods;
}

/**
 * Customize tag cloud widget
 *
 * @since 0.0.1
 */
function foto_new_tag_cloud( $args ) {
	$args['largest'] 	= 12;
	$args['smallest'] 	= 12;
	$args['unit'] 		= 'px';
	return $args;
}

/**
 * Filter in a link to a content ID attribute for the next/previous image links on image attachment pages
 *
 * @since 0.0.2
 */
function foto_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;
}

/**
 * Register our sidebars and widgetized areas
 * 
 * @since 0.0.1
 */
function foto_widgets_init() {
	
	register_widget( 'foto_author_bio' );
	
    register_sidebar(array(
		'name'          => __( 'Home Widget', 'foto'),
		'description'   => __( 'This sidebar appears on the right side of your site on home page', 'foto' ),
		'before_widget' => '<section id="%1$s" class="widget %2$s">',
		'after_widget'  => '</section>',
		'before_title'  => '<div class="widget-title">',
		'after_title'   => '</div>',
	));
	
	register_sidebar(array(
		'name'          => __( 'Footer Left Widget', 'foto'),
		'description'   => __( 'This sidebar appears on the footer of your site', 'foto' ),
		'before_widget' => '<section id="%1$s" class="widget %2$s">',
		'after_widget'  => '</section>',
		'before_title'  => '<div class="widget-title">',
		'after_title'   => '</div>',
	));
	
	register_sidebar(array(
		'name'          => __( 'Footer Center Widget', 'foto'),
		'description'   => __('This sidebar appears on the footer of your site', 'foto'),
		'before_widget' => '<section id="%1$s" class="widget %2$s">',
		'after_widget'  => '</section>',
		'before_title'  => '<div class="widget-title">',
		'after_title'   => '</div>',
	));
	
	register_sidebar(array(
		'name'          => __( 'Footer Right Widget', 'foto'),
		'description'   => __('This sidebar appears on the footer of your site', 'foto'),
		'before_widget' => '<section id="%1$s" class="widget %2$s">',
		'after_widget'  => '</section>',
		'before_title'  => '<div class="widget-title">',
		'after_title'   => '</div>',
	));
	
	register_sidebar(array(
		'name'          => __( 'Page Widget', 'foto'),
		'description'   => __('This sidebar appears on the footer of your site', 'foto'),
		'before_widget' => '<section id="%1$s" class="widget %2$s">',
		'after_widget'  => '</section>',
		'before_title'  => '<div class="widget-title">',
		'after_title'   => '</div>',
	));
	
}
?>