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defined( 'ABSPATH' ) || exit;

/**
 * Detect if we're inside the Divi Event Calendar add-on's event series function.
 */
function tec_telthaz_is_inside_eventseries_function() {
	foreach ( debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ) as $frame ) {
		if ( isset( $frame['function'] ) && 'get_eventSeries_data_name' === $frame['function'] ) {
			return true;
		}
	}
	return false;
}

/**
 * Append " - Teltház" to titles dynamically for single views (uses get_the_title or the_title).
 */
function tec_telthaz_append_title_suffix( $title, $post_id = null ) {
	// Bail early in admin, ajax, cron, REST, or during event series data processing
	if (
		is_admin() || wp_doing_ajax() || wp_doing_cron() ||
		( defined( 'REST_REQUEST' ) && REST_REQUEST ) ||
		tec_telthaz_is_inside_eventseries_function()
	) {
		return $title;
	}

	if ( empty( $post_id ) ) {
		return $title;
	}

	$post = get_post( $post_id );

	if ( ! $post || 'tribe_events' !== $post->post_type ) {
		return $title;
	}

	if ( has_tag( 'Teltház', $post ) ) {
		$suffix = ' - Teltház';
		if ( ! str_ends_with( $title, $suffix ) ) {
			$title .= $suffix;
		}
	}

	return esc_html( $title );
}
add_filter( 'the_title', 'tec_telthaz_append_title_suffix', 10, 2 );
add_filter( 'get_the_title', 'tec_telthaz_append_title_suffix', 10, 2 );