<?php
/**
 * Sample implementation of the Custom Header feature
 * http://codex.wordpress.org/Custom_Headers
 *
 * @package aaron
 */

/**
 * Set up the WordPress core custom header feature.
 *
 */
function aaron_custom_header_setup() {
	add_theme_support( 'custom-header', apply_filters( 'aaron_custom_header_args', array(
		'default-image'          => get_template_directory_uri() . '/images/header.jpg',
		'default-text-color'     => 'ffffff',
		'uploads'                => true,
		'flex-height'            => true,
		'flex-width'             => true,
		'width'                  => 1920,
		'height'                 => 1200,
		'wp-head-callback'       => 'aaron_customize_css',
		'admin-head-callback'    => '',
		'admin-preview-callback' => '',
	)
	) );

	register_default_headers( array(
		'mountain' => array(
			'url'           => '%s/images/header.jpg',
			'thumbnail_url' => '%s/images/header.jpg',
			'description'   => __( 'Mountain', 'aaron' )
		)
	) );

}
add_action( 'after_setup_theme', 'aaron_custom_header_setup' );


function aaron_featured_image_header_css() {
	/*Are we displaying the featured image or the regular background? */
	if( is_home() ){
		$postid = get_option('page_for_posts');
	}else{
		$postid =get_the_ID();
	}

	$header_image = get_header_image();
	$featured_header = wp_get_attachment_image_src( get_post_thumbnail_id($postid), 'aaron-featured-image-header' ); 

	if( is_page_template('templates/landingpage.php') ){
		if ($featured_header){
			?>
			html { 
				  background: <?php echo esc_attr( get_theme_mod('aaron_header_bgcolor', '#4777a6') ) ?> url(<?php echo $featured_header[0]; ?>) no-repeat center center fixed; 
				  -webkit-background-size: cover;
				  -moz-background-size: cover;
				  -o-background-size: cover;
				  background-size: cover;
				}
		<?php
		}else if ( ! empty( $header_image ) ) { ?>
				html { 
				  background: <?php echo esc_attr( get_theme_mod('aaron_header_bgcolor', '#4777a6') ) ?> url(<?php header_image(); ?>) no-repeat center center fixed; 
				  -webkit-background-size: cover;
				  -moz-background-size: cover;
				  -o-background-size: cover;
				  background-size: cover;
				}
		<?php
		}else{
		?>
			html { background: <?php echo esc_attr( get_theme_mod('aaron_header_bgcolor', '#4777a6') ) ?>; }
		<?php
		}
		?>
			body {background:none;}
	  <?php
	}else{
	
	// Single view
	if( is_singular() && aaron_get_meta( 'aaron_show_header' ) && aaron_get_meta( 'aaron_featured_image_header' ) && $featured_header && !is_page_template('templates/landingpage.php') 
		|| is_page_template('templates/header-and-footer.php') && aaron_get_meta( 'aaron_show_header' ) && aaron_get_meta( 'aaron_featured_image_header' ) && $featured_header) {?>
		.site-header {
		background: <?php echo esc_attr( get_theme_mod('aaron_header_bgcolor', '#4777a6') ) ?> url(<?php echo $featured_header[0]; ?>) <?php echo esc_attr( get_theme_mod('aaron_header_bgrepeat', 'no-repeat') ); ?> <?php echo esc_attr( get_theme_mod('aaron_header_bgpos', 'center center') ); ?>;
		background-size: <?php echo esc_attr( get_theme_mod('aaron_header_bgsize', 'cover') ); ?>;
		}
	<?php
	// Posts page ( blog listing )
	}elseif ( is_home() && aaron_get_meta( 'aaron_show_header' ) && aaron_get_meta( 'aaron_featured_image_header' ) && !is_front_page() && $featured_header && !is_page_template('templates/landingpage.php')) {	?>
		.site-header {
		background: <?php echo esc_attr( get_theme_mod('aaron_header_bgcolor', '#4777a6') ) ?> url(<?php echo $featured_header[0]; ?>) <?php echo esc_attr( get_theme_mod('aaron_header_bgrepeat', 'no-repeat') ); ?> <?php echo esc_attr( get_theme_mod('aaron_header_bgpos', 'center center') ); ?>;
		background-size: <?php echo esc_attr( get_theme_mod('aaron_header_bgsize', 'cover') ); ?>;
		}
	<?php
	//Front page, or if no featured image is chosen:
	}else{
		if ( ! empty( $header_image ) ) {
		?>
			.site-header {
			background: <?php echo esc_attr( get_theme_mod('aaron_header_bgcolor', '#4777a6') ) ?> url(<?php header_image(); ?>) <?php echo esc_attr( get_theme_mod('aaron_header_bgrepeat', 'no-repeat') ); ?> <?php echo esc_attr( get_theme_mod('aaron_header_bgpos', 'center center') ); ?>;
			background-size: <?php echo esc_attr( get_theme_mod('aaron_header_bgsize', 'cover') ); ?>;
			}

		<?php
		/* No header image has been chosen, check for background color: */
		}else{
			echo '.site-header { background:' . esc_attr( get_theme_mod('aaron_header_bgcolor', '#4777a6') ) . ';}';
		}
	}
}
}


//Call to action
function aaron_action() {
	if( get_theme_mod( 'aaron_hide_action' ) == '' ) {?>
			<?php 
			if( get_theme_mod( 'aaron_action_text' ) <> '') {
				echo '<div id="action">';
				if( get_theme_mod( 'aaron_action_link' ) <> '') {
					echo '<a href="' . esc_url( get_theme_mod( 'aaron_action_link' ) ) .'">';
				}
				echo esc_html( get_theme_mod( 'aaron_action_text' ) );
				if( get_theme_mod( 'aaron_action_link' ) <> '') {
					echo '</a>';
				}
				echo '</div>';
			}else{
				if ( is_user_logged_in() ) {
					echo '<div id="action">';
					echo '<a href="' . esc_url( home_url( '/wp-admin/customize.php' ) ) . '">' . __("Click here to setup your Call to Action", 'aaron') . '</a>';
					echo '</div>';
				}
			}
			?>
	<?php
	}
}