// Modify share button URLs below posts
add_filter( 'render_block', function( $block_content, $block ) {

	// Only process core/social-link blocks with a class name
	if ( !is_admin() && $block['blockName'] === 'core/social-link' && !empty( $block['attrs']['className'] ) ) {

		$share_urls = [
			'twitter-share-button' => 'https://x.com/share?text=' . get_the_title() . '&url=' . get_permalink() . '&via=techorbiter',
			'facebook-share-button' => 'https://www.facebook.com/sharer.php?u=' . get_permalink(),
			'email-share-button' => 'mailto:?subject=' . get_the_title() . '&body=' . get_permalink(),
			'reddit-share-button' => 'https://reddit.com/submit?url=' . get_permalink() . '&title=' . get_the_title(),
			'telegram-share-button' => 'https://t.me/share/url?url=' . get_permalink() . '&text=' . get_the_title(),
			'whatsapp-share-button' => 'https://wa.me/?text=' . urlencode( get_the_title() . ' ' . get_permalink() ),
			'mastodon-share-button' => '' // Mastodon handled separately in JS
		];

		foreach ( $share_urls as $class => $url ) {
			if ( strpos( $block['attrs']['className'], $class ) !== false ) {
				$block_content = str_replace( 'http://placeholder.com', $url, $block_content );
				break;
			}
		}
	}

	return $block_content;
}, 10, 2 );