<?php

namespace Bitrix\Socialnetwork\Livefeed;

use Bitrix\Main\Loader;
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\Text\Emoji;
use Bitrix\Socialnetwork\Helper\Mention;

Loc::loadMessages(__FILE__);

final class BlogComment extends Provider
{
	public const PROVIDER_ID = 'BLOG_COMMENT';
	public const CONTENT_TYPE_ID = 'BLOG_COMMENT';

	public static function getId(): string
	{
		return static::PROVIDER_ID;
	}

	public function getEventId(): array
	{
		return [ 'blog_comment', 'blog_comment_micro' ];
	}

	public function getType(): string
	{
		return Provider::TYPE_COMMENT;
	}

	public function initSourceFields()
	{
		$commentId = $this->entityId;

		if ($commentId <= 0 || !Loader::includeModule('blog'))
		{
			return;
		}

		$res = \CBlogComment::getList(
			[],
			['ID' => $commentId],
			false,
			false,
			[
				'ID',
				'BLOG_ID',
				'POST_ID',
				'PARENT_ID',
				'AUTHOR_ID',
				'AUTHOR_NAME',
				'AUTHOR_EMAIL',
				'AUTHOR_IP',
			 	'AUTHOR_IP1',
				'TITLE',
				'POST_TEXT',
				'SHARE_DEST',
				'PUBLISH_STATUS',
			]
		);
		if (
			!($comment = $res->fetch())
			|| (
				$comment['PUBLISH_STATUS'] === BLOG_PUBLISH_STATUS_READY
				&& !$this->isCurrentUserAdmin()
			)
		)
		{
			return;
		}

		static $postCache = [];

		$postId = $comment['POST_ID'];

		if (!isset($postCache[$postId]))
		{
			$res = \CBlogPost::getList([], ['ID' => $postId]);
			if (!($post = $res->fetch()))
			{
				return;
			}
			$postCache[$postId] = $post;
		}
		else
		{
			$post = $postCache[$postId];
		}

		if (
			$this->getOption('checkAccess') !== false
			&& !BlogPost::canRead(['POST' => $post])
		)
		{
			return;
		}

		if (!empty($post['DETAIL_TEXT']))
		{
			$post['DETAIL_TEXT'] = Emoji::decode($post['DETAIL_TEXT']);
		}

		$this->setSourceFields(array_merge($comment, ['POST' => $post]));
		$this->setSourceDescription(htmlspecialcharsback($comment['POST_TEXT']));

		$title = htmlspecialcharsback($comment['POST_TEXT']);
		$title = Mention::clear($title);
		$title = (new \blogTextParser())->convert($title, false);
		$title = preg_replace(
			[
				"/\n+/isu",
				"/\s+/isu",
				"/&nbsp;+/isu"
			],
			" ",
			\blogTextParser::killAllTags($title)
		);

		$this->setSourceTitle(truncateText($title, 100));
		$this->setSourceAttachedDiskObjects($this->getAttachedDiskObjects($this->cloneDiskObjects));
		$this->setSourceDiskObjects($this->getDiskObjects($commentId, $this->cloneDiskObjects));
		$this->setSourceOriginalText($comment['POST_TEXT']);
		$this->setSourceAuxData($comment);
	}

	private function isCurrentUserAdmin(): bool
	{
		global $USER;

		return
			$USER->isAdmin()
			|| (
				Loader::includeModule('bitrix24')
				&& \CBitrix24::isPortalAdmin((int)$USER->GetId())
			)
		;
	}

	protected function getAttachedDiskObjects($clone = false)
	{
		return $this->getEntityAttachedDiskObjects([
			'userFieldEntity' => 'BLOG_COMMENT',
			'userFieldCode' => 'UF_BLOG_COMMENT_FILE',
			'clone' => $clone,
		]);
	}

	public function getLiveFeedUrl(): string
	{
		$pathToPost = \Bitrix\Socialnetwork\Helper\Path::get('userblogpost_page', $this->getSiteId());

		if (
			!empty($pathToPost)
			&& ($comment = $this->getSourceFields())
			&& isset($comment["POST"])
		)
		{
			$pathToPost = \CComponentEngine::makePathFromTemplate($pathToPost, array("post_id" => $comment["POST"]["ID"], "user_id" => $comment["POST"]["AUTHOR_ID"]));
			$pathToPost .= (mb_strpos($pathToPost, '?') === false ? '?' : '&').'commentId='.$comment["ID"].'#com'.$comment["ID"];
		}

		return $pathToPost;
	}

	public function getSuffix(): string
	{
		return '3';
	}
}