t_options();

		if ( $options['disable_featured_image'] && is_singular() ) {
			remove_action( 'generate_after_entry_header', 'generate_blog_single_featured_image' );
			remove_action( 'generate_before_content', 'generate_blog_single_featured_image' );
			remove_action( 'generate_after_header', 'generate_blog_single_featured_image' );
			remove_action( 'generate_before_content', 'generate_featured_page_header_inside_single' );
			remove_action( 'generate_after_header', 'generate_featured_page_header' );
		}

		if ( $options['site_logo'] && GeneratePress_Elements_Helper::does_option_exist( 'site-logo' ) ) {
			if ( '' !== $options['site_header_merge'] ) {
				add_action( 'generate_after_logo', array( $this, 'add_site_logo' ) );
			} else {
				add_filter( 'theme_mod_custom_logo', array( $this, 'replace_logo' ) );

				if ( $options['retina_logo'] && GeneratePress_Elements_Helper::does_option_exist( 'retina-logo' ) ) {
					add_filter( 'generate_retina_logo', array( $this, 'replace_logo' ) );
				}
			}
		}

		if ( $options['navigation_logo'] && GeneratePress_Elements_Helper::does_option_exist( 'navigation-logo' ) ) {
			if ( $options['site_header_merge'] && GeneratePress_Elements_Helper::does_option_exist( 'sticky-navigation' ) ) {
				add_action( 'generate_inside_navigation', array( $this, 'add_navigation_logo' ) );
			} else {
				add_filter( 'generate_navigation_logo', array( $this, 'replace_logo' ) );
			}
		}

		if ( $options['mobile_logo'] && GeneratePress_Elements_Helper::does_option_exist( 'mobile-logo' ) ) {
			if ( 'merge' === $options['site_header_merge'] ) {
				add_action( 'generate_inside_mobile_header', array( $this, 'add_mobile_header_logo' ) );
			} else {
				add_filter( 'generate_mobile_header_logo', array( $this, 'replace_logo' ) );
			}
		}

		if ( $options['navigation_location'] ) {
			add_filter( 'generate_navigation_location', array( $this, 'navigation_location' ) );
		}

		if ( '' !== $options['site_header_merge'] ) {
			add_action( 'generate_before_header', array( $this, 'merged_header_start' ), 1 );
			add_action( 'generate_after_header', array( $this, 'merged_header_end' ), 8 );

			if ( 'contained' === $options['container'] ) {
				add_filter( 'generate_header_class', array( $this, 'site_header_classes' ) );
			}
		}

		if ( $options['content'] ) {
			self::remove_template_elements();
		}
	}

	/**
	 * Returns our custom logos if set within the Page Header.
	 *
	 * @since 1.7
	 *
	 * @return string New URLs to images.
	 */
	public static function replace_logo() {
		$filter = current_filter();
		$options = self::get_options();

		if ( 'theme_mod_custom_logo' === $filter ) {
			return $options['site_logo'];
		}

		if ( 'generate_retina_logo' === $filter ) {
			return wp_get_attachment_url( $options['retina_logo'] );
		}

		if ( 'generate_navigation_logo' === $filter ) {
			return wp_get_attachment_url( $options['navigation_logo'] );
		}

		if ( 'generate_mobile_header_logo' === $filter ) {
			return wp_get_attachment_url( $options['mobile_logo'] );
		}
	}

	/**
	 * Adds a new site logo element if our header is merged on desktop only.
	 *
	 * @since 1.7
	 */
	public static function add_site_logo() {
		$options = self::get_options();

		$logo_url = wp_get_attachment_url( $options['site_logo'] );
		$retina_logo_url = wp_get_attachment_url( $options['retina_logo'] );

		if ( ! $logo_url ) {
			return;
		}

		$attr = apply_filters( 'generate_page_hero_logo_attributes', array(
			'class' => 'header-image',
			'alt'	=> esc_attr( apply_filters( 'generate_logo_title', get_bloginfo( 'name', 'display' ) ) ),
			'src'	=> $logo_url,
			'title'	=> esc_attr( apply_filters( 'generate_logo_title', get_bloginfo( 'name', 'display' ) ) ),
		) );

		if ( '' !== $retina_logo_url ) {
			$attr['srcset'] = $logo_url . ' 1x, ' . $retina_logo_url . ' 2x';

			// Add dimensions to image if retina is set. This fixes a container width bug in Firefox.
			$data = wp_get_attachment_metadata( $options['site_logo'] );

			if ( ! empty( $data ) ) {
				$attr['width'] = $data['width'];
				$attr['height'] = $data['height'];
			}
		}

		$attr = array_map( 'esc_attr', $attr );
		$html_attr = '';

		foreach ( $attr as $name => $value ) {
			$html_attr .= " $name=" . '"' . $value . '"';
		}

		echo apply_filters( 'generate_page_hero_logo_output', sprintf( // WPCS: XSS ok, sanitization ok.
			'<div class="site-logo page-hero-logo">
				<a href="%1$s" title="%2$s" rel="home">
					<img %3$s />
				</a>
			</div>',
			esc_url( apply_filters( 'generate_logo_href' , home_url( '/' ) ) ),
			esc_attr( apply_filters( 'generate_logo_title', get_bloginfo( 'name', 'display' ) ) ),
			$html_attr
		), $logo_url, $html_attr );
	}

	/**
	 * Adds the custom navigation logo if needed.
	 * Only needed if there's a sticky navigation.
	 *
	 * @since 1.7
	 */
	public static function add_navigation_logo() {
		$options = self::get_options();

		printf(
			'<div class="site-logo sticky-logo navigation-logo page-hero-navigation-logo">
				<a href="%1$s" title="%2$s" rel="home">
					<img class="header-image" src="%3$s" alt="%4$s" />
				</a>
			</div>',
			esc_url( apply_filters( 'generate_logo_href' , home_url( '/' ) ) ),
			esc_attr( apply_filters( 'generate_logo_title', get_bloginfo( 'name', 'display' ) ) ),
			esc_url( wp_get_attachment_url( $options['navigation_logo'] ) ),
			esc_attr( apply_filters( 'generate_logo_title', get_bloginfo( 'name', 'display' ) ) )
		);
	}

	/**
	 * Adds the custom mobile header if needed.
	 * Only needed if there's a sticky navigation.
	 *
	 * @since 1.7
	 */
	public static function add_mobile_header_logo() {
		$options = self::get_options();

		if ( 'title' === GeneratePress_Elements_Helper::does_option_exist( 'mobile-header-branding' ) ) {
			return;
		}

		printf(
			'<div class="site-logo mobile-header-logo page-hero-mobile-logo">
				<a href="%1$s" title="%2$s" rel="home">
					<img class="header-image" src="%3$s" alt="%4$s" />
				</a>
			</div>',
			esc_url( apply_filters( 'generate_logo_href' , home_url( '/' ) ) ),
			esc_attr( apply_filters( 'generate_logo_title', get_bloginfo( 'name', 'display' ) ) ),
			esc_url( wp_get_attachment_url( $options['mobile_logo'] ) ),
			esc_attr( apply_filters( 'generate_logo_title', get_bloginfo( 'name', 'display' ) ) )
		);
	}

	/**
	 * Set the navigation location if set.
	 *
	 * @since 1.7
	 *
	 * @return string The navigation location.
	 */
	public static function navigation_location() {
		$options = self::get_options();

		if ( 'no-navigation' === $options['navigation_location'] ) {
			return '';
		} else {
			return $options['navigation_location'];
		}
	}

	/**
	 * The opening merged header element.
	 *
	 * @since 1.7
	 */
	public static function merged_header_start() {
		echo '<div class="header-wrap">';
	}

	/**
	 * The closing merged header element.
	 *
	 * @since 1.7
	 */
	public static function merged_header_end() {
		echo '</div><!-- .header-wrap -->';
	}

	/**
	 * Adds classes to the site header.
	 *
	 * @since 1.7
	 *
	 * @param $classes Existing classes.
	 * @return array New classes.
	 */
	public static function site_header_classes( $classes ) {
		$classes[] = 'grid-container';
		$classes[] = 'grid-parent';

		return $classes;
	}

	/**
	 * Checks if template tags exist, and removes those elements from elsewhere.
	 *
	 * @since 1.7
	 */
	public static function remove_template_elements() {
		$options = self::get_options();

		if ( strpos( $options[ 'content' ], '{{post_title}}' ) !== false ) {
			add_filter( 'generate_show_title', '__return_false' );
			remove_action( 'generate_archive_title', 'generate_archive_title' );
			add_filter( 'post_class', array( self::$hero, 'remove_hentry' ) );
		}

		if ( strpos( $options[ 'content' ], '{{post_date}}' ) !== false ) {
			add_filter( 'generate_post_date', '__return_false' );
			add_filter( 'post_class', array( self::$hero, 'remove_hentry' ) );
		}

		if ( strpos( $options[ 'content' ], '{{post_author}}' ) !== false ) {
			add_filter( 'generate_post_author', '__return_false' );
			add_filter( 'post_class', array( self::$hero, 'remove_hentry' ) );
		}

		if ( strpos( $options[ 'content' ], '{{post_terms.category}}' ) !== false ) {
			add_filter( 'generate_show_categories', '__return_false' );
		}

		if ( strpos( $options[ 'content' ], '{{post_terms.post_tag}}' ) !== false ) {
			add_filter( 'generate_show_tags', '__return_false' );
		}
	}

	/**
	 * Checks for template tags and replaces them.
	 *
	 * @since 1.7
	 *
	 * @param $content The content to check.
	 * @return mixed The content with the template tags replaced.
	 */
	public static function template_tags( $content ) {
		$search = array();
		$replace = array();

		$search[] = '{{post_title}}';
		$post_title = '';

		if ( is_singular() ) {
			$post_title = get_the_title();
		} elseif ( is_tax() || is_category() || is_tag() ) {
			$post_title = get_queried_object()->name;
		} elseif ( is_post_type_archive() ) {
			$post_title = post_type_archive_title( '', false );
		} elseif ( is_archive() && function_exists( 'get_the_archive_title' ) ) {
			$post_title = get_the_archive_title();
		} elseif ( is_home() ) {
			$post_title = __( 'Blog', 'gp-premium' );
		}

		$replace[] = apply_filters( 'generate_page_hero_post_title', $post_title );

		if ( is_singular() ) {
			$time_string = '<time class="entry-date published" datetime="%1$s" itemprop="datePublished">%2$s</time>';
			if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
				$time_string = '<time class="updated" datetime="%3$s" itemprop="dateModified">%4$s</time>' . $time_string;
			}

			$time_string = sprintf( $time_string,
				esc_attr( get_the_date( 'c' ) ),
				esc_html( get_the_date() ),
				esc_attr( get_the_modified_date( 'c' ) ),
				esc_html( get_the_modified_date() )
			);

			$search[] = '{{post_date}}';
			$replace[] = apply_filters( 'generate_page_hero_post_date', $time_string );

			// Author
			global $post;
			$author_id = $post->post_author;

			$author = sprintf( '<span class="author vcard" itemtype="http://schema.org/Person" itemscope="itemscope" itemprop="author"><a class="url fn n" href="%1$s" title="%2$s" rel="author" itemprop="url"><span class="author-name" itemprop="name">%3$s</span></a></span>',
				esc_url( get_author_posts_url( $author_id ) ),
				esc_attr( sprintf( __( 'View all posts by %s', 'gp-premium' ), get_the_author_meta( 'display_name', $author_id ) ) ),
				esc_html( get_the_author_meta( 'display_name', $author_id ) )
			);

			$search[] = '{{post_author}}';
			$replace[] = apply_filters( 'generate_page_hero_post_author', $author );

			// Post terms
			if ( strpos( $content, '{{post_terms' ) !== false ) {
				$data = preg_match_all( '/{{post_terms.([^}]*)}}/', $content, $matches );
				foreach ( $matches[1] as $match ) {
					$search[] = '{{post_terms.' . $match . '}}';
					$terms = get_the_term_list( get_the_ID(), $match, apply_filters( 'generate_page_hero_terms_before', '' ), apply_filters( 'generate_page_hero_terms_separator', ', ' ), apply_filters( 'generate_page_hero_terms_after', '' ) );

					if ( ! is_wp_error( $terms ) ) {
						$replace[] = $terms;
					}
				}
			}

			// Custom field
			if ( strpos( $content, '{{custom_field' ) !== false ) {
				$data = preg_match_all( '/{{custom_field.([^}]*)}}/', $content, $matches );
				foreach ( $matches[1] as $match ) {
					if ( null !== get_post_meta( get_the_ID(), $match, true ) && '_thumbnail_id' !== $match ) {
						$search[] = '{{custom_field.' . $match . '}}';
						$replace[] = get_post_meta( get_the_ID(), $match, true );
					}
				}

				$thumbnail_id = get_post_meta( get_the_ID(), '_thumbnail_id', true );
				if ( null !== $thumbnail_id ) {
					$search[] = '{{custom_field._thumbnail_id}}';
					$replace[] = wp_get_attachment_image( $thumbnail_id, apply_filters( 'generate_hero_thumbnail_id_size', 'medium' ) );
				}
			}
		}

		// Taxonomy description
		if ( is_tax() || is_category() || is_tag() ) {
			if ( strpos( $content, '{{custom_field' ) !== false ) {
				$search[] = '{{custom_field.description}}';
				$replace[] = term_description( get_queried_object()->term_id, get_queried_object()->taxonomy );
			}
		}

		return str_replace( $search, $replace, $content );
	}

	/**
	 * When the post title, author or date are in the Page Hero, they appear outside of the
	 * hentry element. This causes errors in Google Search Console.
	 *
	 * @since 1.7
	 *
	 * @param array $classes
	 * @return array
	 */
	public function remove_hentry( $classes ) {
		$classes = array_diff( $classes, array( 'hentry' ) );

		return $classes;
	}
}