bp_email_init_customizer( WP_Customize_Manager $wp_customize )

function bp_email_init_customizer( WP_Customize_Manager $wp_customize ) {
	if ( ! bp_is_email_customizer() && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) ) {
		return;
	}

	$wp_customize->add_panel( 'bp_mailtpl', array(
		'description' => __( 'Customize the appearance of emails sent by BuddyBoss.', 'buddyboss' ),
		'title'       => __( 'BuddyBoss Emails', 'buddyboss' ),
	) );

	$sections = bp_email_get_customizer_sections();
	foreach( $sections as $section_id => $args ) {
		$wp_customize->add_section( $section_id, $args );
	}

	$settings = bp_email_get_customizer_settings();
	foreach( $settings as $setting_id => $args ) {
		$wp_customize->add_setting( $setting_id, $args );
	}

	/**
	 * Fires to let plugins register extra Customizer controls for emails.
	 *
	 * @since BuddyPress 2.5.0
	 *
	 * @param WP_Customize_Manager $wp_customize The Customizer object.
	 */
	do_action( 'bp_email_customizer_register_sections', $wp_customize );

	$controls = bp_email_get_customizer_controls();
	foreach ( $controls as $control_id => $args ) {
		$wp_customize->add_control( new $args['class']( $wp_customize, $control_id, $args ) );
	}

	/*
	 * Hook actions/filters for further configuration.
	 */

	add_filter( 'customize_section_active', 'bp_email_customizer_hide_sections', 12, 2 );

	if ( is_customize_preview() ) {
		/*
		 * Enqueue scripts/styles for the Customizer's preview window.
		 *
		 * Scripts can't be registered in bp_core_register_common_styles() etc because
		 * the Customizer loads very, very early.
		 */
		$bp  = buddypress();
		$min = bp_core_get_minified_asset_suffix();

		wp_enqueue_script(
			'bp-customizer-receiver-emails',
			"{$bp->plugin_url}bp-core/admin/js/customizer-receiver-emails{$min}.js",
			array( 'customize-preview' ),
			bp_get_version(),
			true
		);

		// Include the preview loading style.
		add_action( 'wp_footer', array( $wp_customize, 'customize_preview_loading_style' ) );
	}
}