<?php
/**
 * The template for displaying image attachments
 *
 * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
 *
 * @package WordPress
 * @subpackage Twenty_Twelve
 * @since Twenty Twelve 1.0
 */

get_header(); ?>

	<div id="primary" class="site-content">
		<div id="content" role="main">

		<?php while ( have_posts() ) : the_post(); ?>

				<article id="post-<?php the_ID(); ?>" <?php post_class( 'image-attachment' ); ?>>
					<header class="entry-header">
						<h1 class="entry-title"><?php the_title(); ?></h1>

						<footer class="entry-meta">
							<?php
								$metadata = wp_get_attachment_metadata();
								printf(
									/* translators: 1: Date, 2: Date, 3: Attachment URL, 4: Image width in pixels, 5: Image height in pixels, 6: Post parent permalink, 7: Post parent title, 8: Post parent title. */
									__( '<span class="meta-prep meta-prep-entry-date">Published </span> <span class="entry-date"><time class="entry-date" datetime="%1$s">%2$s</time></span> at <a href="%3$s" title="Link to full-size image">%4$s &times; %5$s</a> in <a href="%6$s" title="Go to %7$s" rel="gallery">%8$s</a>.', 'twentytwelve' ),
									esc_attr( get_the_date( 'c' ) ),
									esc_html( get_the_date() ),
									esc_url( wp_get_attachment_url() ),
									$metadata['width'],
									$metadata['height'],
									esc_url( get_permalink( $post->post_parent ) ),
									esc_attr( strip_tags( get_the_title( $post->post_parent ) ) ),
									get_the_title( $post->post_parent )
								);
							?>
							<?php edit_post_link( __( 'Edit', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?>
						</footer><!-- .entry-meta -->

						<nav id="image-navigation" class="navigation">
							<span class="previous-image"><?php previous_image_link( false, __( '&larr; Previous', 'twentytwelve' ) ); ?></span>
							<span class="next-image"><?php next_image_link( false, __( 'Next &rarr;', 'twentytwelve' ) ); ?></span>
						</nav><!-- #image-navigation -->
					</header><!-- .entry-header -->

					<div class="entry-content">

						<div class="entry-attachment">
							<div class="attachment">
<?php
/*
 * Grab the IDs of all the image attachments in a gallery so we can get the URL of the next adjacent image in a gallery,
 * or the first image (if we're looking at the last image in a gallery), or, in a gallery of one, just the link to that image file
 */
$attachments = array_values( get_children( array( 'post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID' ) ) );
foreach ( $attachments as $k => $attachment ) :
	if ( $attachment->ID == $post->ID )
		break;
			endforeach;

			// If there is more than 1 attachment in a gallery...
			if ( count( $attachments ) > 1 ) :
				$k++;
				if ( isset( $attachments[ $k ] ) ) :
					// ...get the URL of the next image attachment.
					$next_attachment_url = get_attachment_link( $attachments[ $k ]->ID );
				else :
					// ...or get the URL of the first image attachment.
					$next_attachment_url = get_attachment_link( $attachments[0]->ID );
				endif;
			else :
				// Or, if there's only 1 image, get the URL of the image.
				$next_attachment_url = wp_get_attachment_url();
			endif;
			?>
								<a href="<?php echo esc_url( $next_attachment_url ); ?>" title="<?php the_title_attribute(); ?>" rel="attachment">
									<?php
									/**
									 * Filters the image attachment size to use.
									 *
									 * @since Twenty Twelve 1.0
									 *
									 * @param array $size {
									 *     @type int The attachment height in pixels.
									 *     @type int The attachment width in pixels.
									 * }
									 */
									$attachment_size = apply_filters( 'twentytwelve_attachment_size', array( 960, 960 ) );
									echo wp_get_attachment_image( $post->ID, $attachment_size );
									?>
								</a>

								<?php if ( ! empty( $post->post_excerpt ) ) : ?>
								<div class="entry-caption">
									<?php the_excerpt(); ?>
								</div>
								<?php endif; ?>
							</div><!-- .attachment -->

						</div><!-- .entry-attachment -->

						<div class="entry-description">
							<?php the_content(); ?>
							<?php wp_link_pages( array( 'before' => '<div class="page-links">' . __( 'Pages:', 'twentytwelve' ), 'after' => '</div>' ) ); ?>
						</div><!-- .entry-description -->

					</div><!-- .entry-content -->

				</article><!-- #post -->

				<?php comments_template(); ?>

			<?php endwhile; // End of the loop. ?>

		</div><!-- #content -->
	</div><!-- #primary -->

<?php get_footer(); ?>