//From functions_thought_catalog.php
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/**
 * Let's add a meta box for author links to the guest authors profile pages
 *
 */
add_action( 'add_meta_boxes', 'coauthors_add_on_the_web_box' );

function coauthors_add_on_the_web_box() {
	add_meta_box(
		'coauthors-manage-guest-author-on-the-web',
		__( 'On the Web', 'co-authors-plus'),
		'metabox_manage_guest_author_on_the_web',
		$post_type,
		'normal',
		'low'
	);
}

function metabox_manage_guest_author_on_the_web() {
	global $post;
	global $coauthors_plus;

	$fields = $coauthors_plus->guest_authors->get_guest_author_fields( 'on-the-web' );
	echo '<table class="form-table"><tbody>';
	foreach( $fields as $field ) {
		$pm_key = $coauthors_plus->guest_authors->get_post_meta_key( $field['key'] );
		$value = get_post_meta( $post->ID, $pm_key, true );
		echo '<tr><th>';
		echo '<label for="' . esc_attr( $pm_key ) . '">' . $field['label'] . '</label>';
		echo '</th><td>';
		echo '<input type="text" name="' . esc_attr( $pm_key ) . '" value="' . esc_attr( $value ) . '" class="regular-text" />';
		echo '</td></tr>';
	}
	echo '</tbody></table>';

}

//add_filter( 'coauthors_guest_author_fields', 'add_guest_author_on_the_web_fields', 10, 2);

// function add_guest_author_on_the_web_fields( $groups, $global_fields ) {
//
// }

//From modified class-coauthors-guest-authors.php
	function get_guest_author_fields( $groups = 'all' ) {

		$groups = (array)$groups;
		$global_fields = array(
				// Hidden (included in object, no UI elements)
				array(
						'key'      => 'ID',
						'label'    => __( 'ID', 'co-authors-plus' ),
						'group'    => 'hidden',
					),
				// Name
				array(
						'key'      => 'display_name',
						'label'    => __( 'Display Name', 'co-authors-plus'),
						'group'    => 'name',
					),
				array(
						'key'      => 'first_name',
						'label'    => __( 'First Name', 'co-authors-plus'),
						'group'    => 'name',
					),
				array(
						'key'      => 'last_name',
						'label'    => __( 'Last Name', 'co-authors-plus'),
						'group'    => 'name',
					),
				array(
						'key'      => 'user_login',
						'label'    => __( 'Slug', 'co-authors-plus'),
						'group'    => 'slug',
					),
				// Contact info
				array(
						'key'      => 'user_email',
						'label'    => __( 'E-mail', 'co-authors-plus' ),
						'group'    => 'contact-info',
					),
				array(
						'key'      => 'linked_account',
						'label'    => __( 'Linked Account', 'co-authors-plus' ),
						'group'    => 'slug',
					),
				array(
						'key'      => 'website',
						'label'    => __( 'Website', 'co-authors-plus' ),
						'group'    => 'contact-info',
					),
				array(
						'key'      => 'aim',
						'label'    => __( 'AIM', 'co-authors-plus' ),
						'group'    => 'contact-info',
					),
				array(
						'key'      => 'yahooim',
						'label'    => __( 'Yahoo IM', 'co-authors-plus' ),
						'group'    => 'contact-info',
					),
				array(
						'key'      => 'jabber',
						'label'    => __( 'Jabber / Google Talk', 'co-authors-plus' ),
						'group'    => 'contact-info',
					),
				array(
						'key'      => 'description',
						'label'    => __( 'Biographical Info', 'co-authors-plus' ),
						'group'    => 'about',
						'sanitize_function' => 'wp_filter_post_kses',
					),
//I added these arrays.  I need to use add_filter to handle this in a theme file.
				array(
					'key'      => 'url_1',
					'label'    => __( 'URL', 'co-authors-plus' ),
					'group'    => 'on-the-web',
				),
				array(
					'key'      => 'title_1',
					'label'    => __( 'Title', 'co-authors-plus'),
					'group'    => 'on-the-web',
				)
			);
		$fields_to_return = array();
		foreach( $global_fields as $single_field ) {
			if ( in_array( $single_field['group'], $groups ) || $groups[0] == 'all' && $single_field['group'] != 'hidden' )
				$fields_to_return[] = $single_field;
		}

		return apply_filters( 'coauthors_guest_author_fields', $fields_to_return, $groups );

	}