<?php
/**
 * Social Menu.
 *
 * This feature will only be activated for themes that declare their support.
 * This can be done by adding code similar to the following during the
 * 'after_setup_theme' action:
 *
 * add_theme_support( 'jetpack-social-menu' );
 *
 * @package automattic/jetpack-classic-theme-helper
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit( 0 );
}

if ( ! function_exists( 'jetpack_social_menu_init' ) ) {
	/**
	 * Activate the Social Menu plugin.
	 *
	 * @uses current_theme_supports()
	 */
	function jetpack_social_menu_init() {
		// Only load our code if our theme declares support
		if ( ! current_theme_supports( 'jetpack-social-menu' ) ) {
			return;
		}

		/**
		 * Social Menu description.
		 *
		 * Rename the social menu description.
		 *
		 * @module theme-tools
		 *
		 * @since 3.9.0
		 *
		 * @param string $social_menu_description Social Menu description
		 */
		$social_menu_description = apply_filters( 'jetpack_social_menu_description', __( 'Social Menu', 'jetpack-classic-theme-helper' ) );

		// Register a new menu location
		register_nav_menus(
			array(
				'jetpack-social-menu' => esc_html( $social_menu_description ),
			)
		);

		// Enqueue CSS
		add_action( 'wp_enqueue_scripts', 'jetpack_social_menu_style' );

		// Load SVG icons related functions and filters
		if ( 'svg' === jetpack_social_menu_get_type() ) {
			require __DIR__ . '/social-menu/icon-functions.php';
		}
	}
	add_action( 'after_setup_theme', 'jetpack_social_menu_init', 99 );
	add_action( 'restapi_theme_init', 'jetpack_social_menu_init' );
}

if ( ! function_exists( 'jetpack_social_menu_get_type' ) ) {
	/**
	 * Return the type of menu the theme is using.
	 *
	 * @uses get_theme_support()
	 * @return null|string $menu_type
	 */
	function jetpack_social_menu_get_type() {
		$options = get_theme_support( 'jetpack-social-menu' );

		if ( ! $options ) {
			$menu_type = null;
		} else {
			$menu_type = 'genericons';
			if ( is_array( $options ) && isset( $options[0] ) ) {
				$menu_type = ( in_array( $options[0], array( 'genericons', 'svg' ), true ) ) ? $options[0] : 'genericons';
			}
		}

		return $menu_type;
	}
}

if ( ! function_exists( 'jetpack_social_menu_style' ) ) {
	/**
	 * Function to enqueue the CSS.
	 */
	function jetpack_social_menu_style() {
		$menu_type = jetpack_social_menu_get_type();

		if ( ! $menu_type ) {
			return;
		}

		$deps = ( 'genericons' === $menu_type ) ? array( 'genericons' ) : null;

		if ( has_nav_menu( 'jetpack-social-menu' ) ) {
			wp_enqueue_style( 'jetpack-social-menu', plugins_url( 'social-menu/social-menu.css', __FILE__ ), $deps, '1.0' );
		}
	}
}

if ( ! function_exists( 'jetpack_social_menu' ) ) {
	/**
	 * Create the function for the menu.
	 */
	function jetpack_social_menu() {
		if ( has_nav_menu( 'jetpack-social-menu' ) ) :
			$menu_type  = (string) jetpack_social_menu_get_type();
			$link_after = '</span>';

			if ( 'svg' === $menu_type ) {
				$link_after .= jetpack_social_menu_get_svg( array( 'icon' => 'chain' ) );
			} ?>
			<nav class="jetpack-social-navigation jetpack-social-navigation-<?php echo esc_attr( $menu_type ); ?>" aria-label="<?php esc_html_e( 'Social Links Menu', 'jetpack-classic-theme-helper' ); ?>">
				<?php
					wp_nav_menu(
						array(
							'theme_location' => 'jetpack-social-menu',
							'link_before'    => '<span class="screen-reader-text">',
							'link_after'     => $link_after,
							'depth'          => 1,
						)
					);
				?>
			</nav><!-- .jetpack-social-navigation -->
			<?php
		endif;
	}
}
