<?php

/**
 * bbPress Helper Functions
 */

namespace BuddyBossTheme;

if ( ! class_exists( '\BuddyBossTheme\BBPressHelper' ) ) {

	class BBPressHelper {

		protected $_is_active = false;

		/**
		 * Constructor
		 */
		public function __construct() {

			if ( function_exists( 'bp_is_active' ) && ! bp_is_active( 'forums' ) ) {
				return;
			}

			add_action( 'bbp_init', array( $this, 'set_active' ) );

			// add_action( 'bbp_template_before_single_forum', array( $this, 'action_bbp_template_before_single_forum' ) );

			add_action( 'bbp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
			add_action( 'bbp_enqueue_scripts', array( $this, 'localize_reply_ajax_script' ) );
			add_action( 'bbp_ajax_reply', array( $this, 'ajax_reply' ) );
			add_action( 'bbp_new_reply_pre_extras', array( $this, 'new_reply_pre_extras' ), 99 );
			add_action( 'bbp_new_reply_post_extras', array( $this, 'new_reply_post_extras' ), 99 );
			add_action( 'bbp_edit_reply_post_extras', array( $this, 'edit_reply_post_extras' ), 99 );
			add_filter( 'bbp_get_reply_to_link', array( $this, 'reply_to_link' ), 10, 3 );
			add_filter( 'bbp_get_reply_edit_url', array( $this, 'bbp_get_reply_edit_url_callback' ), PHP_INT_MAX, 2 );
			add_filter( 'bbp_edit_reply_redirect_to', array( $this, 'bbp_edit_reply_redirect_to_callback' ), PHP_INT_MAX, 2 );
			add_filter( 'bb_nouveau_get_activity_inner_buttons', array( $this, 'theme_activity_entry_buttons' ), 20, 2 );
			add_action( 'wp_ajax_quick_reply_ajax', array( $this, 'activity_quick_reply_ajax_cb' ) );

			add_filter( 'bbp_after_get_user_subscribe_link_parse_args', array( $this, 'bbp_get_user_subscribe_link_parse_args' ) );
		}

		public function get_oembed_reply_content( $content, $reply_id = 0 ) {

			// Check is ajax request
			if ( wp_doing_ajax() && bbp_use_autoembed() ) {

				if ( ! empty( $reply_id ) && metadata_exists( 'post', $reply_id, '_link_embed' ) ) {
					$content = bbp_reply_content_autoembed_paragraph( $content, $reply_id );
				} else {
					global $wp_embed;
					if ( is_a( $wp_embed, 'WP_Embed' ) ) {
						add_filter( 'buddyboss_theme_get_oembed_reply_content', array( $wp_embed, 'autoembed' ), 2 );
						add_filter( 'buddyboss_theme_get_oembed_reply_content', array( $this, 'filter_bbp_reply_content_autoembed_paragraph' ), 999 );
						$content = apply_filters( 'buddyboss_theme_get_oembed_reply_content', $content );
					}
				}
			}
			return $content;
		}

		public function set_active() {
			$this->_is_active = true;
		}

		public function is_active() {
			return $this->_is_active;
		}

		// Add new topic if forums sidebar is not active.
		public function action_bbp_template_before_single_forum() {
			if (
				(
					! is_active_sidebar( 'forums' ) ||
					bp_is_groups_component()
				) &&
				bbp_is_single_forum() &&
				! bbp_is_forum_category() &&
				(
					bbp_current_user_can_access_create_topic_form() ||
					bbp_current_user_can_access_anonymous_user_form()
				)
			) { ?>

				<div class="bbp_before_forum_new_post">
					<a href="#new-post" data-modal-id="bbp-topic-form" class="button full btn-new-topic"><i class="bb-icon-l bb-icon-edit"></i> <?php esc_html_e( 'New discussion', 'buddyboss-theme' ); ?></a>
				</div>

				<?php
			}
		}

		public function enqueue_scripts() {
			if ( bbp_is_single_topic() || ( function_exists( 'bp_is_group' ) && bp_is_group() ) ) {
				$minified_js = buddyboss_theme_get_option( 'boss_minified_js' );
				$minjs       = $minified_js ? '.min' : '';
				wp_enqueue_script( 'buddyboss-bbpress-reply-ajax', get_template_directory_uri() . '/assets/js/plugins/bbp-reply-ajax' . $minjs . '.js', array( 'jquery' ), buddyboss_theme()->version(), true );
			}
		}

		public function localize_reply_ajax_script() {
			if ( bbp_is_single_topic() || ( function_exists( 'bp_is_group' ) && bp_is_group() ) ) {
				ob_start();
				bbp_get_template_part( 'form', 'reply' );
				$reply_form_html = ob_get_clean();
				wp_localize_script(
					'buddyboss-bbpress-reply-ajax',
					'bbpReplyAjaxJS',
					array(
						'bbp_ajaxurl'          => bbp_get_ajax_url(),
						'generic_ajax_error'   => esc_html__( 'Something went wrong. Refresh your browser and try again.', 'buddyboss-theme' ),
						'is_user_logged_in'    => is_user_logged_in(),
						'reply_nonce'          => wp_create_nonce( 'reply-ajax_' . get_the_ID() ),
						'topic_id'             => bbp_get_topic_id(),
						'reply_form_html'      => $reply_form_html,
						'threaded_reply'       => bbp_allow_threaded_replies(),
						'threaded_reply_depth' => bbp_thread_replies_depth(),
						'reply_to_text'        => esc_html__( 'Reply to', 'buddyboss-theme' ),
						'type_reply_here_text' => esc_html__( 'Type your reply here', 'buddyboss-theme' ),
					)
				);
			}
		}

		/**
		 * Ajax handler for reply submissions.
		 *
		 * This is attached to the appropriate bbPress ajax hooks, so it is fired
		 * on any bbPress ajax submissions with the 'action' parameter set to
		 * 'reply'.
		 */
		public function ajax_reply() {
			$action = $_POST['bbp_reply_form_action'];
			if ( 'bbp-new-reply' === $action ) {
				bbp_new_reply_handler( $action );
			} elseif ( 'bbp-edit-reply' === $action ) {
				bbp_edit_reply_handler( $action );
			}
		}

		/**
		 * New pre replies.
		 */
		public function new_reply_pre_extras() {
			if ( ! bbp_is_ajax() ) {
				return;
			}

			// if reply posting has errors then show them in form.
			if ( bbp_has_errors() ) {
				ob_start();
				bbp_template_notices();
				$reply_error_html = ob_get_clean();
				$extra_info       = array(
					'error' => '1',
				);
				bbp_ajax_response( false, $reply_error_html, 200, $extra_info );
			}
		}

		/**
		 * New replies.
		 *
		 * @param integer $reply_id
		 */
		public function new_reply_post_extras( $reply_id ) {
			if ( ! bbp_is_ajax() ) {
				return;
			}
			$this->reply_ajax_response( $reply_id, 'new' );
		}

		/**
		 * Editing an existing reply.
		 *
		 * @param integer $reply_id
		 */
		public function edit_reply_post_extras( $reply_id ) {
			if ( ! bbp_is_ajax() ) {
				return;
			}
			$this->reply_ajax_response( $reply_id, 'edit' );
		}

		/**
		 * Generate an ajax response.
		 *
		 * Sends the HTML for the reply along with some extra information.
		 *
		 * @param integer $reply_id
		 * @param string  $type
		 */
		private function reply_ajax_response( $reply_id, $type ) {

			$reply_html = $this->get_reply_html( $reply_id );
			$topic_id   = (int) ( isset( $_REQUEST['bbp_topic_id'] ) ? $_REQUEST['bbp_topic_id'] : 0 );

			/**
			 * Redirect to last page when anyone reply from begging of the page.
			 */
			$redirect_to = bbp_get_redirect_to();
			$reply_url   = bbp_get_reply_url( $reply_id, $redirect_to );
			$total_pages = '';
			if ( bbp_thread_replies() ) {
				if ( function_exists( 'bbp_get_total_parent_reply' ) ) {
					$parent_reply = (int) bbp_get_total_parent_reply( $topic_id );
					$parent_reply = ( bbp_show_lead_topic() ? $parent_reply - 1 : $parent_reply );
					$total_pages  = ceil( (int) $parent_reply / (int) bbp_get_replies_per_page() ); // 1;
				}
			} else {
				$total_pages = ceil( (int) bbp_get_reply_position( $reply_id, $topic_id ) / (int) bbp_get_replies_per_page() );
			}
			$current_page = get_query_var( 'paged', $reply_url );
			if ( 0 === (int) $current_page ) {
				$current_page = 1;
			}

			ob_start();
			if ( bbp_show_lead_topic() ) {
				$topic_reply_count = (int) bbp_get_topic_reply_count( $topic_id );
				echo $topic_reply_count;
				$topic_reply_text = 1 !== $topic_reply_count ? esc_html__( 'Replies', 'buddyboss-theme' ) : esc_html__( 'Reply', 'buddyboss-theme' );
			} else {
				$topic_post_count = (int) bbp_get_topic_post_count( $topic_id );
				echo $topic_post_count;
				$topic_reply_text = 1 !== $topic_post_count ? esc_html__( 'Posts', 'buddyboss-theme' ) : esc_html__( 'Post', 'buddyboss-theme' );
			}
			echo ' ' . wp_kses_post( $topic_reply_text );
			$topic_total_reply_count_html = ob_get_clean();

			/**
			 * Ended code for redirection to the last page.
			 */
			$extra_info = array(
				'reply_id'          => $reply_id,
				'reply_type'        => $type,
				'reply_parent'      => (int) $_REQUEST['bbp_reply_to'],
				'tags'              => $this->bb_get_topic_tags( $topic_id ),
				'redirect_url'      => $reply_url, // Get last page URl - Redirect to last page when anyone reply from begging of the page.
				'current_page'      => $current_page, // Get current page - Redirect to last page when anyone reply from begging of the page.
				'total_pages'       => $total_pages, // Get total pages - Redirect to last page when anyone reply from begging of the page.
				'total_reply_count' => $topic_total_reply_count_html, // Get total pages - Redirect to last page when anyone reply from begging of the page.
			);
			bbp_ajax_response( true, $reply_html, 200, $extra_info );
		}

		/**
		 * Uses a bbPress template file to generate reply HTML.
		 *
		 * @param integer $reply_id
		 *
		 * @return string
		 */
		private function get_reply_html( $reply_id ) {
			ob_start();
			$reply_query      = new \WP_Query(
				array(
					'p'         => (int) $reply_id,
					'post_type' => bbp_get_reply_post_type(),
				)
			);
			$bbp              = bbpress();
			$bbp->reply_query = $reply_query;

			if ( function_exists( 'bbp_make_clickable' ) ) {
				// Convert plaintext URI to HTML links.
				add_filter( 'bbp_get_reply_content', 'bbp_make_clickable', 4 );
			}

			if ( ! has_filter( 'bbp_get_reply_content', 'convert_smilies' ) ) {
				add_filter( 'bbp_get_reply_content', 'convert_smilies', 20 );
			}

			if ( function_exists( 'bp_media_forums_embed_attachments' ) && ! has_filter( 'bbp_get_reply_content', 'bp_media_forums_embed_attachments' ) ) {
				add_filter( 'bbp_get_reply_content', 'bp_media_forums_embed_attachments', 999, 2 );
			}
			if ( function_exists( 'bp_video_forums_embed_attachments' ) && ! has_filter( 'bbp_get_reply_content', 'bp_video_forums_embed_attachments' ) ) {
				add_filter( 'bbp_get_reply_content', 'bp_video_forums_embed_attachments', 999, 2 );
			}
			if ( function_exists( 'bp_document_forums_embed_attachments' ) && ! has_filter( 'bbp_get_reply_content', 'bp_document_forums_embed_attachments' ) ) {
				add_filter( 'bbp_get_reply_content', 'bp_document_forums_embed_attachments', 999, 2 );
			}

			if ( function_exists( 'bp_media_forums_embed_gif' ) && ! has_filter( 'bbp_get_reply_content', 'bp_media_forums_embed_gif' ) ) {
				add_filter( 'bbp_get_reply_content', 'bp_media_forums_embed_gif', 999, 2 );
			}

			add_filter( 'bbp_get_reply_content', array( $this, 'get_oembed_reply_content' ), 99, 2 );

			// Add mentioned to be clickable
			add_filter( 'bbp_get_reply_content', 'bbp_make_mentions_clickable' );

			// Link Preview
			if ( function_exists( 'bb_forums_link_preview' ) && ! has_filter( 'bbp_get_reply_content', 'bb_forums_link_preview' ) ) {
				add_filter( 'bbp_get_reply_content', 'bb_forums_link_preview', 999, 2 );
			}

			while ( bbp_replies() ) :
				bbp_the_reply();
				bbp_get_template_part( 'loop', 'single-reply' );
			endwhile;
			$reply_html = ob_get_clean();

			if ( function_exists( 'bbp_make_clickable' ) ) {
				remove_filter( 'bbp_get_reply_content', 'bbp_make_clickable', 4 );
			}

			if ( function_exists( 'bp_media_forums_embed_attachments' ) ) {
				remove_filter( 'bbp_get_reply_content', 'bp_media_forums_embed_attachments', 999, 2 );
			}

			if ( function_exists( 'bp_document_forums_embed_attachments' ) ) {
				remove_filter( 'bbp_get_reply_content', 'bp_document_forums_embed_attachments', 999, 2 );
			}
			if ( function_exists( 'bp_media_forums_embed_gif' ) ) {
				remove_filter( 'bbp_get_reply_content', 'bp_media_forums_embed_gif', 999, 2 );
			}
			return $reply_html;
		}

		/**
		 * Reply to link.
		 *
		 * @param mixed $retval
		 * @param array $r
		 * @param array $args
		 *
		 * @return mixed $retval
		 */
		public function reply_to_link( $retval, $r, $args ) {

			// Get the reply to use it's ID and post_parent.
			$reply = bbp_get_reply( bbp_get_reply_id( (int) $r['id'] ) );

			// Bail if no reply or user cannot reply.
			if ( empty( $reply ) || ! bbp_current_user_can_access_create_reply_form() ) {
				return;
			}

			// If single user replies page then no need to open a modal for reply to.
			if ( bbp_is_single_user_replies() ) {
				return $retval;
			}

			// Build the URI and return value.
			$uri = remove_query_arg( array( 'bbp_reply_to' ) );
			$uri = add_query_arg( array( 'bbp_reply_to' => $reply->ID ), bbp_get_topic_permalink( bbp_get_reply_topic_id( $reply->ID ) ) );
			$uri = wp_nonce_url( $uri, 'respond_id_' . $reply->ID );
			$uri = $uri . '#new-post';

			// Only add onclick if replies are threaded.
			if ( bbp_thread_replies() ) {

				// Array of classes to pass to moveForm.
				$move_form = array(
					$r['add_below'] . '-' . $reply->ID,
					$reply->ID,
					$r['respond_id'],
					$reply->post_parent,
				);

				// Build the onclick.
				$onclick = ' onclick="return addReply.moveForm(\'' . implode( "','", $move_form ) . '\');"';

				// No onclick if replies are not threaded.
			} else {
				$onclick = '';
			}

			$modal = 'data-modal-id-inline="new-reply-' . $reply->post_parent . '"';

			// Add $uri to the array, to be passed through the filter.
			$r['uri'] = $uri;
			$retval   = $r['link_before'] . '<a href="' . esc_url( $r['uri'] ) . '" class="bbp-reply-to-link"' . $modal . $onclick . '>' . esc_html( $r['reply_text'] ) . '</a>' . $r['link_after'];

			return $retval;
		}

		/**
		 * Get topic tags.
		 *
		 * @param integer $topic_id
		 *
		 * @return string
		 */
		public function bb_get_topic_tags( $topic_id ) {

			$new_terms = array();

			// Topic exists.
			if ( ! empty( $topic_id ) ) {

				// Topic is spammed so display pre-spam terms.
				if ( bbp_is_topic_spam( $topic_id ) ) {
					$new_terms = get_post_meta( $topic_id, '_bbp_spam_topic_tags', true );

					// Topic is not spam so get real terms.
				} else {
					$terms     = array_filter( (array) get_the_terms( $topic_id, bbp_get_topic_tag_tax_id() ) );
					$new_terms = wp_list_pluck( $terms, 'name' );
				}
			}

			$html_li = '';
			$html    = '';
			if ( $new_terms ) {
				foreach ( $new_terms as $tag ) {
					$html_li .= '<li><a href="' . bbp_get_topic_tag_link( $tag ) . '">' . $tag . '</a></li>';
				}

				$html = '<ul> ' . rtrim( $html_li, ',' ) . '</ul>';
			}
			return $html;
		}

		/**
		 * Add oembed to forum reply.
		 *
		 * @param $content
		 *
		 * @return string
		 */
		function filter_bbp_reply_content_autoembed_paragraph( $content ) {

			global $wp_embed;
			$embed_urls   = $embeds_array = array();
			$flag         = true;

			if ( strpos( $content, 'download_document_file' ) || strpos( $content, 'download_media_file' ) || strpos( $content, 'download_video_file' ) ) {
				return $content;
			}

			if ( preg_match( '/(https?:\/\/[^\s<>"]+)/i', strip_tags( $content ) ) ) {
				preg_match_all( '/(https?:\/\/[^\s<>"]+)/i', $content, $embed_urls );
			}

			if ( ! empty( $embed_urls ) && ! empty( $embed_urls[0] ) ) {
				$embed_urls = array_filter( $embed_urls[0] );
				$embed_urls = array_unique( $embed_urls );

				foreach ( $embed_urls as $url ) {
					if ( $flag == false ) {
						continue;
					}

					$embed = wp_oembed_get( $url, array( 'discover' => false ) );
					if ( $embed ) {
						$flag           = false;
						$embeds_array[] = wpautop( $embed );
					}
				}

				// Put the line breaks back.
				return $content . implode( '', $embeds_array );

			} else {

				// check if preview url was used or not, if not return content without embed
				$link_embed = get_post_meta( bbp_get_reply_id(), '_link_embed', true );
				if ( ! empty( $link_embed ) ) {
					$embed_data = bp_core_parse_url( $link_embed );
		
					if ( isset( $embed_data['wp_embed'] ) && $embed_data['wp_embed'] && ! empty( $embed_data['description'] ) ) {
						$embed_code = $embed_data['description'];
					}
		
					if ( ! empty( $embed_code ) ) {
						preg_match( '/(https?:\/\/[^\s<>"]+)/i', $content, $content_url );
						preg_match( '(<p(>|\s+[^>]*>).*?<\/p>)', $content, $content_tag );
		
						if ( ! empty( $content_url ) && empty( $content_tag ) ) {
							$content = sprintf( '<p>%s</p>', $content );
						}
						return  $content .= $embed_code;
					}
				}
			}

			return $content;
		}

		/**
		 * Function will add new parameter in the URL when click on forum replys.
		 *
		 * @param string $url
		 * @param int    $reply_id
		 *
		 * @return string $url
		 *
		 * @since 1.6.8
		 */
		public function bbp_get_reply_edit_url_callback( $url, $reply_id ) {
			$url = add_query_arg( 'forum_redirect_to', ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : 1, $url );

			return $url;
		}

		/**
		 * Function will work for the redirection - The page from which he would have clicked will redirect to the same page.
		 *
		 * @param string $reply_url
		 * @param string $redirect_to
		 *
		 * @return string $reply_url
		 *
		 * @since 1.6.8
		 */
		public function bbp_edit_reply_redirect_to_callback( $reply_url, $redirect_to ) {
			if ( isset( $_POST ) && isset( $_POST['bbp_redirect_page_to'] ) ) {
				$reply_id   = bbp_get_reply_id( (int) $_POST['bbp_reply_id'] );
				$topic_id   = bbp_get_reply_topic_id( $reply_id );
				$reply_hash = '#post-' . $reply_id;
				$topic_link = bbp_get_topic_permalink( $topic_id, $redirect_to );
				if ( 1 === (int) $_POST['bbp_redirect_page_to'] ) {
					$reply_url = $topic_link . $reply_hash;
				} else {
					$reply_url = $topic_link . 'page/' . $_POST['bbp_redirect_page_to'] . $reply_hash;
				}
			}

			return $reply_url;
		}

		/**
		 * Added Quick reply button in topic activity.
		 *
		 * @param array $buttons     Array of buttons.
		 * @param int   $activity_id Activity ID.
		 *
		 * @since 1.7.1
		 *
		 * @return mixed
		 */
		public function theme_activity_entry_buttons( $buttons, $activity_id ) {
			// Get activity post data.
			$activities = bp_activity_get_specific( array( 'activity_ids' => $activity_id ) );

			if ( empty( $activities['activities'] ) ) {
				return $buttons;
			}

			$activity = array_shift( $activities['activities'] );

			if ( 'bbp_topic_create' === $activity->type ) {
				// Set topic id when the activity component is not groups.
				if ( 'bbpress' === $activity->component ) {
					$topic_id = $activity->item_id;
				}

				// Set topic id when the activity component is groups.
				if ( 'groups' === $activity->component ) {
					$topic_id = $activity->secondary_item_id;
				}

				// bbp_get_topic_author_id.
				$topic_title = get_post_field( 'post_title', $topic_id, 'raw' );
				$user_id     = bbp_get_topic_author_id( $topic_id );
				$author      = bp_core_get_user_displayname( $user_id );

				// New meta button as 'Quick Reply'.
				$buttons['quick_reply'] = array(
					'id'                => 'quick_reply',
					'position'          => 5,
					'component'         => 'activity',
					'must_be_logged_in' => true,
					'button_element'    => 'a',
					'link_text'         => sprintf(
						'<span class="bp-screen-reader-text">%1$s</span> <span class="comment-count">%2$s</span>',
						esc_html__( 'Quick Reply', 'buddyboss-theme' ),
						esc_html__( 'Quick Reply', 'buddyboss-theme' )
					),
					'button_attr'       => array(
						'class'            => 'bb-icon-l button bb-icon-comment bp-secondary-action',
						'data-btn-id'      => 'bbp-reply-form',
						'data-topic-title' => esc_attr( $topic_title ),
						'data-topic-id'    => $topic_id,
						'aria-expanded'    => 'false',
						'href'             => '#new-post',
						'data-author-name' => $author,
					),
				);
			}

			return $buttons;
		}

		/**
		 * Ajax callback for Quick Reply.
		 *
		 * @since 1.7.4
		 *
		 * @uses  bbp_get_template_part() Load required template.
		 *
		 * @return void
		 */
		public function activity_quick_reply_ajax_cb() {
			?>
			<div id="bbpress-forums" class="bbpress-forums-activity bb-quick-reply-form-wrap" data-component="activity" style="display: none;">
				<?php
				if ( isset( $_POST['action'] ) && 'quick_reply_ajax' === $_POST['action'] ) {
					$_POST['action'] = 'reply';
				}

				add_filter( 'bb_forum_attachment_group_id', array( $this, 'forum_attachment_group_id' ) );
				add_filter( 'bb_forum_attachment_forum_id', array( $this, 'forum_attachment_forum_id' ) );

				// Timeline quick reply form template.
				bbp_get_template_part( 'form', 'reply-activity' );

				// Success message template.
				bbp_get_template_part( 'form-reply', 'success' );
				?>
			</div>
			<?php
			die();
		}

		/**
		 * @param int $group_id Group ID.
		 *
		 * @since 1.7.4
		 *
		 * @return mixed
		 */
		public function forum_attachment_group_id( $group_id ) {
			if ( function_exists( 'bp_is_active' ) && bp_is_active( 'groups' ) && isset( $_POST['group_id'] ) && ! empty( $_POST['group_id'] ) ) {
				$group_id = $_POST['group_id'];
			}

			return $group_id;
		}

		/**
		 * @param int $forum_id Forum ID.
		 *
		 * @since 1.7.4
		 *
		 * @return int|mixed
		 */
		public function forum_attachment_forum_id( $forum_id ) {
			if ( function_exists( 'bp_is_active' ) && bp_is_active( 'forums' ) && isset( $_POST['topic_id'] ) && ! empty( $_POST['topic_id'] ) ) {
				$topic_id = $_POST['topic_id'];
				$forum_id = bbp_get_topic_forum_id( $topic_id );
			}

			return $forum_id;
		}

		/**
		 * Overwite before argument from the plugin.
		 *
		 * @since 2.0.0
		 *
		 * @param array $r Argument for the subscribe button.
		 *
		 * @return mixed
		 */
		public function bbp_get_user_subscribe_link_parse_args( $r ) {
			$r['before'] = '';

			return $r;
		}

	}

}