<?php

/*
*  ACF Comment Form Class
*
*  All the logic for adding fields to comments
*
*  @class       acf_form_comment
*  @package     ACF
*  @subpackage  Forms
*/

if ( ! class_exists( 'acf_form_comment' ) ) :

	class acf_form_comment {


		/*
		*  __construct
		*
		*  This function will setup the class functionality
		*
		*  @type    function
		*  @date    5/03/2014
		*  @since   5.0.0
		*
		*  @param   n/a
		*  @return  n/a
		*/

		function __construct() {

			// actions
			add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );

			// render
			add_filter( 'comment_form_field_comment', array( $this, 'comment_form_field_comment' ), 999, 1 );

			// add_action( 'comment_form_logged_in_after',       array( $this, 'add_comment') );
			// add_action( 'comment_form',                       array( $this, 'add_comment') );

			// save
			add_action( 'edit_comment', array( $this, 'save_comment' ), 10, 1 );
			add_action( 'comment_post', array( $this, 'save_comment' ), 10, 1 );

		}


		/*
		*  validate_page
		*
		*  This function will check if the current page is for a post/page edit form
		*
		*  @type    function
		*  @date    23/06/12
		*  @since   3.1.8
		*
		*  @param   n/a
		*  @return  (boolean)
		*/

		function validate_page() {

			// global
			global $pagenow;

			// validate page
			if ( $pagenow == 'comment.php' ) {

				return true;

			}

			// return
			return false;
		}


		/*
		*  admin_enqueue_scripts
		*
		*  This action is run after post query but before any admin script / head actions.
		*  It is a good place to register all actions.
		*
		*  @type    action (admin_enqueue_scripts)
		*  @date    26/01/13
		*  @since   3.6.0
		*
		*  @param   n/a
		*  @return  n/a
		*/

		function admin_enqueue_scripts() {

			// validate page
			if ( ! $this->validate_page() ) {

				return;

			}

			// load acf scripts
			acf_enqueue_scripts();

			// actions
			add_action( 'admin_footer', array( $this, 'admin_footer' ), 10, 1 );
			add_action( 'add_meta_boxes_comment', array( $this, 'edit_comment' ), 10, 1 );

		}


		/*
		*  edit_comment
		*
		*  This function is run on the admin comment.php page and will render the ACF fields within custom metaboxes to look native
		*
		*  @type    function
		*  @date    19/10/13
		*  @since   5.0.0
		*
		*  @param   $comment (object)
		*  @return  n/a
		*/

		function edit_comment( $comment ) {

			// vars
			$post_id = "comment_{$comment->comment_ID}";

			// get field groups
			$field_groups = acf_get_field_groups(
				array(
					'comment' => get_post_type( $comment->comment_post_ID ),
				)
			);

			// render
			if ( ! empty( $field_groups ) ) {

				// render post data
				acf_form_data(
					array(
						'screen'  => 'comment',
						'post_id' => $post_id,
					)
				);

				foreach ( $field_groups as $field_group ) {

						// load fields
						$fields = acf_get_fields( $field_group );

						// vars
						$o = array(
							'id'         => 'acf-' . $field_group['ID'],
							'key'        => $field_group['key'],
							// 'style'           => $field_group['style'],
							'label'      => $field_group['label_placement'],
							'edit_url'   => '',
							'edit_title' => __( 'Edit field group', 'acf' ),
							// 'visibility'  => $visibility
						);

						// edit_url
						if ( $field_group['ID'] && acf_current_user_can_admin() ) {

							$o['edit_url'] = admin_url( 'post.php?post=' . $field_group['ID'] . '&action=edit' );

						}

						?>
				<div id="acf-<?php echo $field_group['ID']; ?>" class="stuffbox">
					<h3 class="hndle"><?php echo $field_group['title']; ?></h3>
					<div class="inside">
							<?php acf_render_fields( $fields, $post_id, 'div', $field_group['instruction_placement'] ); ?>
						<script type="text/javascript">
						if( typeof acf !== 'undefined' ) {
								
							acf.newPostbox(<?php echo json_encode( $o ); ?>);	
						
						}
						</script>
					</div>
				</div>
							<?php

				}
			}

		}


		/*
		*  comment_form_field_comment
		*
		*  description
		*
		*  @type    function
		*  @date    18/04/2016
		*  @since   5.3.8
		*
		*  @param   $post_id (int)
		*  @return  $post_id (int)
		*/

		function comment_form_field_comment( $html ) {

			// global
			global $post;

			// vars
			$post_id = false;

			// get field groups
			$field_groups = acf_get_field_groups(
				array(
					'comment' => $post->post_type,
				)
			);

			// bail early if no field groups
			if ( ! $field_groups ) {
				return $html;
			}

			// enqueue scripts
			acf_enqueue_scripts();

			// ob
			ob_start();

				// render post data
				acf_form_data(
					array(
						'screen'  => 'comment',
						'post_id' => $post_id,
					)
				);

				echo '<div class="acf-comment-fields acf-fields -clear">';

			foreach ( $field_groups as $field_group ) {

				$fields = acf_get_fields( $field_group );

				acf_render_fields( $fields, $post_id, 'p', $field_group['instruction_placement'] );

			}

				echo '</div>';

			// append
			$html .= ob_get_contents();
			ob_end_clean();

			// return
			return $html;

		}


		/*
		*  save_comment
		*
		*  This function will save the comment data
		*
		*  @type    function
		*  @date    19/10/13
		*  @since   5.0.0
		*
		*  @param   comment_id (int)
		*  @return  n/a
		*/

		function save_comment( $comment_id ) {

			// bail early if not valid nonce
			if ( ! acf_verify_nonce( 'comment' ) ) {
				return $comment_id;
			}

			// kses
			if ( isset( $_POST['acf'] ) ) {
				$_POST['acf'] = wp_kses_post_deep( $_POST['acf'] );
			}

			// validate and save
			if ( acf_validate_save_post( true ) ) {
				acf_save_post( "comment_{$comment_id}" );
			}

		}


		/*
		*  admin_footer
		*
		*  description
		*
		*  @type    function
		*  @date    27/03/2015
		*  @since   5.1.5
		*
		*  @param   $post_id (int)
		*  @return  $post_id (int)
		*/

		function admin_footer() {

			?>
<script type="text/javascript">
(function($) {
	
	// vars
	var $spinner = $('#publishing-action .spinner');
	
	
	// create spinner if not exists (may exist in future WP versions)
	if( !$spinner.exists() ) {
		
		// create spinner
		$spinner = $('<span class="spinner"></span>');
		
		
		// append
		$('#publishing-action').prepend( $spinner );
		
	}
	
})(jQuery);	
</script>
			<?php

		}

	}

	new acf_form_comment();

endif;

?>
