<?php
/**
 * Theme functions and definitions
 *
 * @package The Box
 * @since The Box 1.0
 */


if ( ! function_exists( 'thebox_setup' ) ) :
/**
 * Sets up theme defaults and registers support for various WordPress features.
 *
 */
function thebox_setup() {

	// Make theme available for translation. Translations can be filed in the /languages/ directory
	load_theme_textdomain( 'the-box', get_template_directory() . '/languages' );

	// Set the default content width.
	$GLOBALS['content_width'] = 600;

	// Supporting title tag via add_theme_support (since WordPress 4.1)
	add_theme_support( 'title-tag' );

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

	// Enable support for Post Thumbnail
	add_theme_support( 'post-thumbnails' );
	set_post_thumbnail_size( 940, 9999 ); //600 pixels wide (and unlimited height)

	// This theme uses wp_nav_menu() in one location.
	register_nav_menus( array(
		'primary' => __( 'Primary Menu', 'the-box' ),
		'secondary' => __( 'Footer Menu', 'the-box' )
	) );

	/*
	 * Switch default core markup for search form, comment form, and comments
	 * to output valid HTML5.
	 */
	add_theme_support( 'html5', array( 'comment-form', 'comment-list', 'gallery', 'caption' ) );

	// Enable support for Post Formats
	add_theme_support( 'post-formats', array( 'aside', 'image', 'video', 'quote', 'link' ) );

	// Set up the WordPress Custom Background Feature.
	add_theme_support( 'custom-background', apply_filters( 'thebox_custom_background_args', array(
		'default-color' => 'f0f3f5',
		'default-image' => '',
	) ) );

	// This theme styles the visual editor to resemble the theme style,
	add_editor_style( array( 'inc/css/editor-style.css', thebox_fonts_url() ) );

	// Load regular editor styles into the new block-based editor.
	add_theme_support( 'editor-styles' );

	// Add custom editor font sizes.
	add_theme_support(
		'editor-font-sizes', array(
			array(
				'name'      => __( 'Small', 'the-box' ),
				'size'      => 14,
				'slug'      => 'small',
			),
			array(
				'name'      => __( 'Normal', 'the-box' ),
				'size'      => 16,
				'slug'      => 'normal',
			),
			array(
				'name'      => __( 'Large', 'the-box' ),
				'size'      => 24,
				'slug'      => 'large',
			),
			array(
				'name'      => __( 'Huge', 'the-box' ),
				'size'      => 32,
				'slug'      => 'huge',
			),
		)
	);

	// Add support for custom color scheme.
	add_theme_support(
		'editor-color-palette', array(
		array(
			'name'  => __( 'Black', 'the-box' ),
			'slug'  => 'black',
			'color' => '#000000',
		),
		array(
			'name'  => __( 'Dark Gray', 'the-box' ),
			'slug'  => 'dark-gray',
			'color' => '#252525',
		),
		array(
			'name'  => __( 'Medium Gray', 'the-box' ),
			'slug'  => 'medium-gray',
			'color' => '#353535',
		),
		array(
			'name'  => __( 'Light Gray', 'the-box' ),
			'slug'  => 'light-gray',
			'color' => '#959595',
		),
		array(
			'name'  => __( 'White', 'the-box' ),
			'slug'  => 'white',
			'color' => '#ffffff',
		),
		array(
			'name'  => __( 'Accent Color', 'the-box' ),
			'slug'  => 'accent',
			'color' => esc_attr( get_option( 'color_primary', '#0fa5d9' ) ),
		),
	) );

}
endif;
add_action( 'after_setup_theme', 'thebox_setup' );


if ( ! function_exists( 'thebox_fonts_url' ) ) :
/**
 * Register Google fonts.
 *
 * @return string Google fonts URL for the theme.
 */
function thebox_fonts_url() {
	$fonts_url = '';
	$fonts     = array();
	$subsets   = 'latin,latin-ext';

	/* translators: If there are characters in your language that are not supported by Open Sans, translate this to 'off'. Do not translate into your own language. */
	if ( 'off' !== _x( 'on', 'Source Sans Pro: on or off', 'the-box' ) ) {
		$fonts[] = 'Source Sans Pro:400,700,400italic,700italic';
	}

	/* translators: If there are characters in your language that are not supported by Roboto, translate this to 'off'. Do not translate into your own language. */
	if ( 'off' !== _x( 'on', 'Oxygen: on or off', 'the-box' ) ) {
		$fonts[] = 'Oxygen:400,700,300';
	}

	/* translators: To add an additional character subset specific to your language, translate this to 'greek', 'cyrillic', 'devanagari' or 'vietnamese'. Do not translate into your own language. */
	$subset = _x( 'no-subset', 'Add new subset (greek, cyrillic, devanagari, vietnamese)', 'the-box' );

	if ( 'cyrillic' == $subset ) {
		$subsets .= ',cyrillic,cyrillic-ext';
	} elseif ( 'greek' == $subset ) {
		$subsets .= ',greek,greek-ext';
	} elseif ( 'devanagari' == $subset ) {
		$subsets .= ',devanagari';
	} elseif ( 'vietnamese' == $subset ) {
		$subsets .= ',vietnamese';
	}

	if ( $fonts ) {
		$fonts_url = add_query_arg( array(
			'family' => urlencode( implode( '|', $fonts ) ),
			'subset' => urlencode( $subsets ),
			'display' => 'fallback',
		), 'https://fonts.googleapis.com/css' );
	}

	return $fonts_url;
}
endif;


/**
 * Enqueue scripts and styles for the front end.
 *
 */
function thebox_scripts() {

	// Add Google Fonts.
	wp_enqueue_style( 'thebox-fonts', thebox_fonts_url(), array(), null );

	// Add Icons Font, used in the main stylesheet.
	wp_enqueue_style( 'thebox-icons', get_template_directory_uri() . '/fonts/fa-icons.min.css', array(), '1.7' );

	// Theme stylesheet.
	$theme_version = wp_get_theme()->get( 'Version' );
	wp_enqueue_style( 'thebox-style', get_stylesheet_uri(), array(), $theme_version );

	// Main js.
	wp_enqueue_script( 'thebox-navigation', get_template_directory_uri() . '/js/navigation.js', array(), '20170220', true );

	// Comment reply script.
	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
		wp_enqueue_script( 'comment-reply' );
	}

	// Load the html5 shiv.
	wp_enqueue_script( 'html5', get_theme_file_uri( '/js/html5.min.js' ), array(), '3.7.3' );
	wp_script_add_data( 'html5', 'conditional', 'lt IE 9' );

	if ( is_singular() && wp_attachment_is_image() ) {
		wp_enqueue_script( 'keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20120202' );
	}

}
add_action( 'wp_enqueue_scripts', 'thebox_scripts' );


/**
 * Register widgetized area and update sidebar with default widgets
 *
 */
function thebox_widgets_init() {
	register_sidebar( array(
		'name' => __( 'Sidebar Primary', 'the-box' ),
		'id' => 'sidebar-1',
		'description'   => __( 'Add widgets here to appear in your Sidebar.', 'the-box' ),
		'before_widget' => '<div class="widget-wrapper"><div id="%1$s" class="widget %2$s">',
		'after_widget' => '</div></div>',
		'before_title' => '<h3 class="widget-title"><span>',
		'after_title' => '</span></h3>',
	) );
	register_sidebar( array(
		'name' => __( 'Footer', 'the-box' ),
		'id' => 'sidebar-2',
		'before_widget' => '<div id="%1$s" class="widget %2$s">',
		'after_widget' => '</div>',
		'before_title' => '<h3 class="widget-title">',
		'after_title' => '</h3>',
	) );
}
add_action( 'widgets_init', 'thebox_widgets_init' );


/**
 * Shim for wp_body_open, ensuring backward compatibility with versions of WordPress older than 5.2.
 */
if ( ! function_exists( 'wp_body_open' ) ) {
	function wp_body_open() {
		do_action( 'wp_body_open' );
	}
}


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


/**
 * Customizer additions.
 */
require get_template_directory() . '/inc/customizer.php';
require get_template_directory() . '/inc/customizer-css.php';


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


/**
 * Add theme support for Infinite Scroll.
 * See: https://jetpack.com/support/infinite-scroll/
 */

function thebox_infinite_scroll_setup() {
	add_theme_support( 'infinite-scroll', array(
		'container' => 'content',
		'footer'    => 'page',
	) );
}
add_action( 'after_setup_theme', 'thebox_infinite_scroll_setup' );


/*
 * Social Links
 *
 */
function thebox_social_links() {

	// Backward compatibility for Theme versions older than 4.1.3
	if ( get_option( 'thebox_theme_options' ) ) { // Retro compatibility for versions older than 4.1.3
		$options = get_option( 'thebox_theme_options', '' ); // Old Theme Options Page Values
		$facebook_url = get_option('facebook_url', $options['facebookurl'] );
		$twitter_url = get_option('twitter_url', $options['twitterurl'] );
		$googleplus_url = get_option('googleplus_url', $options['googleplusurl'] );
		$linkedin_url = get_option('linkedin_url', $options['linkedinurl'] );
		$instagram_url = get_option('instagram_url', $options['instagramurl'] );
		$youtube_url = get_option('youtube_url', $options['youtubeurl'] );
		$pinterest_url = get_option('pinterest_url', $options['pinteresturl'] );
		$stumbleupon_url = get_option('stumbleupon_url', $options['stumbleuponurl'] );
		$flickr_url = get_option('flickr_url', $options['flickrurl'] );
		$tumblr_url = get_option('tumblr_url', $options['tumblrurl'] );
		$medium_url = get_option('medium_url', $options['mediumurl'] );
		$github_url = get_option('github_url', $options['githuburl'] );

	} else {

		$facebook_url = get_option('facebook_url', '');
		$twitter_url = get_option('twitter_url', '');
		$googleplus_url = get_option('googleplus_url', '');
		$linkedin_url = get_option('linkedin_url', '');
		$instagram_url = get_option('instagram_url', '');
		$youtube_url = get_option('youtube_url', '');
		$pinterest_url = get_option('pinterest_url', '');
		$stumbleupon_url = get_option('stumbleupon_url', '');
		$flickr_url = get_option('flickr_url', '');
		$tumblr_url = get_option('tumblr_url', '');
		$medium_url = get_option('medium_url', '');
		$github_url = get_option('github_url', '');
	}

		$xing_url = get_option('xing_url', '');

	echo '<ul class="social-links">'; ?>

	<?php if ( $facebook_url != '' ) : ?>
		<li><a href="<?php echo $facebook_url; ?>" class="facebook" title="facebook" target="_blank"><span class="icon-facebook"></span></a></li>
	<?php endif; ?>

	<?php if ( $twitter_url != '' ) : ?>
		<li><a href="<?php echo $twitter_url; ?>" class="twitter" title="twitter" target="_blank"><span class="icon-twitter"></span></a></li>
	<?php endif; ?>

	<?php if ( $googleplus_url != '' ) : ?>
		<li><a href="<?php echo $googleplus_url; ?>" class="googleplus" title="google plus" target="_blank"><span class="icon-googleplus"></span></a></li>
	<?php endif; ?>

	<?php if ( $linkedin_url != '' ) : ?>
		<li><a href="<?php echo $linkedin_url; ?>" class="linkedin" title="instagram" target="_blank"><span class="icon-linkedin"></span></a></li>
	<?php endif; ?>

	<?php if ( $instagram_url != '' ) : ?>
		<li><a href="<?php echo $instagram_url; ?>" class="instagram" title="instagram" target="_blank"><span class="icon-instagram"></span></a></li>
	<?php endif; ?>

	<?php if ( $youtube_url != '' ) : ?>
		<li><a href="<?php echo $youtube_url; ?>" class="youtube" title="youtube" target="_blank"><span class="icon-youtube"></span></a></li>
	<?php endif; ?>

	<?php if ( $pinterest_url != '' ) : ?>
		<li><a href="<?php echo $pinterest_url; ?>" class="pinterest" title="pinterest" target="_blank"><span class="icon-pinterest"></span></a></li>
	<?php endif; ?>

	<?php if ( $stumbleupon_url != '' ) : ?>
		<li><a href="<?php echo $stumbleupon_url; ?>" class="stumbleupon" title="stumble upon" target="_blank"><span class="icon-stumbleupon"></span></a></li>
	<?php endif; ?>

	<?php if ( $flickr_url != '' ) : ?>
		<li><a href="<?php echo $flickr_url; ?>" class="flickr" title="flickr" target="_blank"><span class="icon-flickr"></span></a></li>
	<?php endif; ?>

	<?php if ( $tumblr_url != '' ) : ?>
		<li><a href="<?php echo $tumblr_url; ?>" class="tumblr" title="tumblr" target="_blank"><span class="icon-tumblr"></span></a></li>
	<?php endif; ?>

	<?php if ( $medium_url != '' ) : ?>
		<li><a href="<?php echo $medium_url; ?>" class="medium" title="medium" target="_blank"><span class="icon-medium"></span></a></li>
	<?php endif; ?>

	<?php if ( $github_url != '' ) : ?>
		<li><a href="<?php echo $github_url; ?>" class="github" title="github" target="_blank"><span class="icon-github"></span></a></li>
	<?php endif; ?>

	<?php if ( $xing_url != '' ) : ?>
		<li><a href="<?php echo $xing_url; ?>" class="xing" title="xing" target="_blank"><span class="icon-xing"></span></a></li>
	<?php endif; ?>

	<?php if ( get_option( 'thebox_show_rss', 1 ) ) : ?>
		<li><a href="<?php bloginfo( 'rss2_url' ); ?>" class="rss" title="rss" target="_blank"><span class="icon-rss"></span></a></li>
	<?php endif; ?>

	<?php echo '</ul>';
}


/**
 * Filter the except length to 18/40 characters.
 *
 */
function thebox_custom_excerpt_length( $length ) {
	if ( get_option( 'thebox_sidebar_settings' ) == 'grid2-sidebar' ) {
		return 18;
	} elseif ( get_option( 'thebox_sidebar_settings' ) == 'one-column') {
		return 50;
	} else {
		return 40;
	}
}
add_filter( 'excerpt_length', 'thebox_custom_excerpt_length', 999 );


/**
 * Filter the "read more" excerpt string link to the post.
 *
 * @param string $more "Read more" excerpt string.
 * @return string (Maybe) modified "read more" excerpt string.
 */
function thebox_excerpt_more( $more ) {
	return sprintf( ' ... <a class="more-link" href="%1$s">%2$s &raquo;</a>',
		get_permalink( get_the_ID() ),
		__( 'Read More', 'the-box' )
	);
}
add_filter( 'excerpt_more', 'thebox_excerpt_more' );


/**
 * The Box Grid
 */
if ( !function_exists('thebox_grid') ) {
	function thebox_grid() {
		// Get Sidebar Options
		$layout_type = get_option( 'thebox_sidebar_settings', 'content-sidebar' );
		if ( $layout_type == 'grid2-sidebar' ) {
			echo 'col-6 col-sm-6';
		} else {
			echo 'col-12';
		}
	}
}


/*
 * Prints Credits in the Footer
 *
 */
function thebox_credits() {
	$website_credits = '';
	$website_author = get_bloginfo('name');
	$website_date =  date ('Y');
	$website_credits = '&copy; ' . $website_date . ' ' . $website_author;
	echo esc_html( $website_credits );
}


/**
 * Add specific CSS class by filter
 */
function thebox_custom_classes( $classes ) {
	$classes[] = get_option('thebox_sidebar_settings', 'content-sidebar');

	// Adds a class of group-blog to blogs with more than 1 published author
	if ( is_multi_author() ) {
		$classes[] = 'group-blog';
	}

	// return the $classes array
	return $classes;
}
add_filter( 'body_class', 'thebox_custom_classes' );


/**
 * Add Upsell "pro" link to the customizer
 *
 */
require_once( trailingslashit( get_template_directory() ) . '/inc/customize-pro/class-customize.php' );


/**
 * The Box Plus Notice
 *
 */
if( is_admin() ) {

	if( ! get_option( 'thebox_basic_notice' ) ) {

		add_action('admin_notices', 'thebox_basic_notice');
		add_action('wp_ajax_thebox_hide_notice', 'thebox_hide_notice');

		function thebox_basic_notice() {
		?>
			<div class="basic-notice updated is-dismissible" style="position: relative;padding-right: 40px;">
				<p>
				<?php
					printf(__('<strong>Upgrade to The Box Plus</strong> to get extended functionality and advanced customization options: %1$s', 'the-box'),
					sprintf('<a class="button button-primary" style="text-decoration:none" href="https://www.designlabthemes.com/the-box-plus-wordpress-theme/?utm_source=notice_button&utm_medium=wordpress_dashboard&utm_campaign=the_box_upsell" target="_blank">%s</a>', '<strong>Try The Box Plus</strong>')
					);
				?>
				</p>
				<a class="notice-dismiss" style="text-decoration:none;cursor:pointer;" title="<?php _e('Close and don\'t show this message again', 'the-box'); ?>">
					<span class="screen-reader-text">Dismiss this notice.</span>
				</a>
			</div>

		<script type="text/javascript">
			jQuery(document).ready(function($){
				$('#wpbody').delegate('.basic-notice a.notice-dismiss', 'click', function(){
					$.ajax({
						url: ajaxurl,
						type: 'GET',
						context: this,
						data: ({
							action: 'thebox_hide_notice',
							_ajax_nonce: '<?php echo wp_create_nonce('thebox_hide_notice'); ?>'
						}),
						success: function(data){
							$(this).parents('.basic-notice').remove();
						}
					});
				});
			});
		</script>
		<?php
		}

		function thebox_hide_notice() {
			check_ajax_referer('thebox_hide_notice');
			update_option('thebox_basic_notice', true);
			die();
		}

	}
	// removes the notice status from the db
	add_action('switch_theme', 'thebox_remove_notice_record');

	function thebox_remove_notice_record() {
		delete_option( 'thebox_basic_notice' );
	}

}