<?php
/**
 * BuddyPress Groups Widgets
 *
 * @package BuddyPress
 * @subpackage GroupsWidgets
 * @since 1.0.0
 */

// Exit if accessed directly.
defined( 'ABSPATH' ) || exit;

if ( ! buddypress()->do_autoload ) {
	require dirname( __FILE__ ) . '/classes/class-bp-groups-widget.php';
}

/**
 * Register widgets for groups component.
 *
 * @since 1.0.0
 */
function groups_register_widgets() {
	add_action('widgets_init', create_function('', 'return register_widget("BP_Groups_Widget");') );
}
add_action( 'bp_register_widgets', 'groups_register_widgets' );

/**
 * AJAX callback for the Groups List widget.
 *
 * @since 1.0.0
 */
function groups_ajax_widget_groups_list() {

	check_ajax_referer( 'groups_widget_groups_list' );

	switch ( $_POST['filter'] ) {
		case 'newest-groups':
			$type = 'newest';
		break;
		case 'recently-active-groups':
			$type = 'active';
		break;
		case 'popular-groups':
			$type = 'popular';
		break;
	}

	$per_page = isset( $_POST['max_groups'] ) ? intval( $_POST['max_groups'] ) : 5;

	$groups_args = array(
		'user_id'  => 0,
		'type'     => $type,
		'per_page' => $per_page,
		'max'      => $per_page,
	);

	if ( bp_has_groups( $groups_args ) ) : ?>
		<?php echo "0[[SPLIT]]"; ?>
		<?php while ( bp_groups() ) : bp_the_group(); ?>
			<li <?php bp_group_class(); ?>>
				<div class="item-avatar">
					<a href="<?php bp_group_permalink() ?>"><?php bp_group_avatar_thumb() ?></a>
				</div>

				<div class="item">
					<div class="item-title"><a href="<?php bp_group_permalink() ?>" title="<?php bp_group_name() ?>"><?php bp_group_name() ?></a></div>
					<div class="item-meta">
						<span class="activity">
							<?php
							if ( 'newest-groups' == $_POST['filter'] ) {
								printf( __( 'created %s', 'buddypress' ), bp_get_group_date_created() );
							} elseif ( 'recently-active-groups' == $_POST['filter'] ) {
								printf( __( 'active %s', 'buddypress' ), bp_get_group_last_active() );
							} elseif ( 'popular-groups' == $_POST['filter'] ) {
								bp_group_member_count();
							}
							?>
						</span>
					</div>
				</div>
			</li>
		<?php endwhile; ?>

		<?php wp_nonce_field( 'groups_widget_groups_list', '_wpnonce-groups' ); ?>
		<input type="hidden" name="groups_widget_max" id="groups_widget_max" value="<?php echo esc_attr( $_POST['max_groups'] ); ?>" />

	<?php else: ?>

		<?php echo "-1[[SPLIT]]<li>" . __( "No groups matched the current filter.", 'buddypress' ); ?>

	<?php endif;

}
add_action( 'wp_ajax_widget_groups_list',        'groups_ajax_widget_groups_list' );
add_action( 'wp_ajax_nopriv_widget_groups_list', 'groups_ajax_widget_groups_list' );
