<?php

/*
	
@package sunsettheme
	
	========================
		THEME SUPPORT OPTIONS
	========================
*/

$options = get_option( 'post_formats' );
$formats = array( 'aside', 'gallery', 'link', 'image', 'quote', 'status', 'video', 'audio', 'chat' );
$output = array();
foreach ( $formats as $format ){
	$output[] = ( @$options[$format] == 1 ? $format : '' );
}
if( !empty( $options ) ){
	add_theme_support( 'post-formats', $output );
}

$header = get_option( 'custom_header' );
if( @$header == 1 ){
	add_theme_support( 'custom-header' );
}

$background = get_option( 'custom_background' );
if( @$background == 1 ){
	add_theme_support( 'custom-background' );
}

add_theme_support( 'post-thumbnails' );

/* Activate Nav Menu Option */
function sunset_register_nav_menu() {
	register_nav_menu( 'primary', 'Header Navigation Menu' );
}
add_action( 'after_setup_theme', 'sunset_register_nav_menu' );

/* Activate HTML5 features */
add_theme_support( 'html5', array( 'comment-list', 'comment-form', 'search-form', 'gallery', 'caption' ) );

/*
	========================
		SIDEBAR FUNCTIONS
	========================
*/
function sunset_sidebar_init() {
	
	register_sidebar( 
		array(
			'name' => esc_html__( 'Sunset Sidebar', 'sunsettheme'),
			'id' => 'sunset-sidebar',
			'description' => 'Dynamic Right Sidebar',
			'before_widget' => '<section id="%1$s" class="sunset-widget %2$s">',
			'after_widget' => '</section>',
			'before_title' => '<h2 class="sunset-widget-title">',
			'after_title' => '</h2>'
		)
	);
	
}
add_action( 'widgets_init', 'sunset_sidebar_init' );


/*
	========================
		BLOG LOOP CUSTOM FUNCTIONS
	========================
*/

function sunset_posted_meta(){
	$posted_on = human_time_diff( get_the_time('U') , current_time('timestamp') );
	
	$categories = get_the_category();
	$separator = ', ';
	$output = '';
	$i = 1;
	
	if( !empty($categories) ):
		foreach( $categories as $category ):
			if( $i > 1 ): $output .= $separator; endif;
			$output .= '<a href="' . esc_url( get_category_link( $category->term_id ) ) . '" alt="' . esc_attr( 'View all posts in%s', $category->name ) .'">' . esc_html( $category->name ) .'</a>';
			$i++; 
		endforeach;
	endif;
	
	return '<span class="posted-on">Posted <a href="'. esc_url( get_permalink() ) .'">' . $posted_on . '</a> ago</span> / <span class="posted-in">' . $output . '</span>';
}

function sunset_posted_footer(){
	
	$comments_num = get_comments_number();
	if( comments_open() ){
		if( $comments_num == 0 ){
			$comments = __('No Comments');
		} elseif ( $comments_num > 1 ){
			$comments= $comments_num . __(' Comments');
		} else {
			$comments = __('1 Comment');
		}
		$comments = '<a class="comments-link" href="' . get_comments_link() . '">'. $comments .' <span class="sunset-icon sunset-comment"></span></a>';
	} else {
		$comments = __('Comments are closed');
	}
	
	return '<div class="post-footer-container"><div class="row"><div class="col-xs-12 col-sm-6">'. get_the_tag_list('<div class="tags-list"><span class="sunset-icon sunset-tag"></span>', ' ', '</div>') .'</div><div class="col-xs-12 col-sm-6 text-right">'. $comments .'</div></div></div>';
}

function sunset_get_attachment( $num = 1 ){
	
	$output = '';
	if( has_post_thumbnail() && $num == 1 ): 
		$output = wp_get_attachment_url( get_post_thumbnail_id( get_the_ID() ) );
	else:
		$attachments = get_posts( array( 
			'post_type' => 'attachment',
			'posts_per_page' => $num,
			'post_parent' => get_the_ID()
		) );
		if( $attachments && $num == 1 ):
			foreach ( $attachments as $attachment ):
				$output = wp_get_attachment_url( $attachment->ID );
			endforeach;
		elseif( $attachments && $num > 1 ):
			$output = $attachments;
		endif;
		
		wp_reset_postdata();
		
	endif;
	
	return $output;
}

function sunset_get_embedded_media( $type = array() ){
	$content = do_shortcode( apply_filters( 'the_content', get_the_content() ) );
	$embed = get_media_embedded_in_content( $content, $type );
	
	if( in_array( 'audio' , $type) ):
		$output = str_replace( '?visual=true', '?visual=false', $embed[0] );
	else:
		$output = $embed[0];
	endif;
	
	return $output;
}


function sunset_get_bs_slides( $attachments ){
	
	$output = array();
	$count = count($attachments)-1;
	
	for( $i = 0; $i <= $count; $i++ ): 
	
		$active = ( $i == 0 ? ' active' : '' );
		
		$n = ( $i == $count ? 0 : $i+1 );
		$nextImg = wp_get_attachment_thumb_url( $attachments[$n]->ID );
		$p = ( $i == 0 ? $count : $i-1 );
		$prevImg = wp_get_attachment_thumb_url( $attachments[$p]->ID );
		
		$output[$i] = array( 
			'class'		=> $active, 
			'url'		=> wp_get_attachment_url( $attachments[$i]->ID ),
			'next_img'	=> $nextImg,
			'prev_img'	=> $prevImg,
			'caption'	=> $attachments[$i]->post_excerpt
		);
	
	endfor;
	
	return $output;
	
}

function sunset_grab_url() {
	if( ! preg_match( '/<a\s[^>]*?href=[\'"](.+?)[\'"]/i', get_the_content(), $links ) ){
		return false;
	}
	return esc_url_raw( $links[1] );
}

function sunset_grab_current_uri() {
	$http = ( isset( $_SERVER["HTTPS"] ) ? 'https://' : 'http://' );
	$referer = $http . $_SERVER["HTTP_HOST"];
	$archive_url = $referer . $_SERVER["REQUEST_URI"];
	
	return $archive_url;
}

/*
	========================
		SINGLE POST CUSTOM FUNCTIONS
	========================
*/
function sunset_post_navigation(){
	
	$nav = '<div class="row">';
	
	$prev = get_previous_post_link( '<div class="post-link-nav"><span class="sunset-icon sunset-chevron-left" aria-hidden="true"></span> %link</div>', '%title' );
	$nav .= '<div class="col-xs-12 col-sm-6">' . $prev . '</div>';
	
	$next = get_next_post_link( '<div class="post-link-nav">%link <span class="sunset-icon sunset-chevron-right" aria-hidden="true"></span></div>', '%title' );
	$nav .= '<div class="col-xs-12 col-sm-6 text-right">' . $next . '</div>';
	
	$nav .= '</div>';
	
	return $nav;
	
}

function sunset_share_this( $content ){
	
	if( is_single() ){
	
		$content .= '<div class="sunset-shareThis"><h4>Share This</h4>';
				
		$title = get_the_title();
		$permalink = get_permalink();
		
		$twitterHandler = ( get_option('twitter_handler') ? '&amp;via='.esc_attr( get_option('twitter_handler') ) : '' );
		
		$twitter = 'https://twitter.com/intent/tweet?text=Hey! Read this: ' . $title . '&amp;url=' . $permalink . $twitterHandler .'';
		$facebook = 'https://www.facebook.com/sharer/sharer.php?u=' . $permalink;
		$google = 'https://plus.google.com/share?url=' . $permalink;
			
		$content .= '<ul>';
		$content .= '<li><a href="' . $twitter . '" target="_blank" rel="nofollow"><span class="sunset-icon sunset-twitter"></span></a></li>';
		$content .= '<li><a href="' . $facebook . '" target="_blank" rel="nofollow"><span class="sunset-icon sunset-facebook"></span></a></li>';
		$content .= '<li><a href="' . $google . '" target="_blank" rel="nofollow"><span class="sunset-icon sunset-googleplus"></span></a></li>';
		$content .= '</ul></div><!-- .sunset-share -->';
		
		return $content;
	
	} else {
		return $content;
	}
	
}
add_filter( 'the_content', 'sunset_share_this' );

function sunset_get_post_navigation(){
	
	if( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ):
	
		require( get_template_directory() . '/inc/templates/sunset-comment-nav.php' );
	
	endif;
	
}





















