<?php declare(strict_types=1);
namespace openvk\VKAPI\Handlers;
use openvk\Web\Models\Entities\User;
use openvk\Web\Models\Entities\Notifications\{PostAcceptedNotification, WallPostNotification, NewSuggestedPostsNotification, RepostNotification, CommentNotification};
use openvk\Web\Models\Repositories\Users as UsersRepo;
use openvk\Web\Models\Entities\Club;
use openvk\Web\Models\Repositories\Clubs as ClubsRepo;
use openvk\Web\Models\Entities\Post;
use openvk\Web\Models\Repositories\Posts as PostsRepo;
use openvk\Web\Models\Entities\Comment;
use openvk\Web\Models\Repositories\Comments as CommentsRepo;
use openvk\Web\Models\Entities\Photo;
use openvk\Web\Models\Repositories\Photos as PhotosRepo;
use openvk\Web\Models\Entities\Video;
use openvk\Web\Models\Repositories\Videos as VideosRepo;
use openvk\Web\Models\Entities\Note;
use openvk\Web\Models\Repositories\Notes as NotesRepo;
use openvk\Web\Models\Repositories\Polls as PollsRepo;
use openvk\Web\Models\Repositories\Audios as AudiosRepo;

final class Wall extends VKAPIRequestHandler
{
    function get(int $owner_id, string $domain = "", int $offset = 0, int $count = 30, int $extended = 0, string $filter = "all", int $rss = 0): object
    {
        $this->requireUser();

        $posts    = new PostsRepo;

        $items    = [];
        $profiles = [];
        $groups   = [];
        $cnt      = 0;

        if ($owner_id > 0)
            $wallOnwer = (new UsersRepo)->get($owner_id);
        else
            $wallOnwer = (new ClubsRepo)->get($owner_id * -1);

        if ($owner_id > 0)
            if(!$wallOnwer || $wallOnwer->isDeleted())
                $this->fail(18, "User was deleted or banned");

            if(!$wallOnwer->canBeViewedBy($this->getUser()))
                $this->fail(15, "Access denied");
        else
            if(!$wallOnwer)
                $this->fail(15, "Access denied: wall is disabled"); // Don't search for logic here pls

        $iteratorv;

        switch($filter) {
            case "all":
                $iteratorv = $posts->getPostsFromUsersWall($owner_id, 1, $count, $offset);
                $cnt       = $posts->getPostCountOnUserWall($owner_id);
                break;
            case "owner":
                $iteratorv = $posts->getOwnersPostsFromWall($owner_id, 1, $count, $offset);
                $cnt       = $posts->getOwnersCountOnUserWall($owner_id);
                break;
            case "others":
                $iteratorv = $posts->getOthersPostsFromWall($owner_id, 1, $count, $offset);
                $cnt       = $posts->getOthersCountOnUserWall($owner_id);
                break; 
            case "postponed":
                $this->fail(42, "Postponed posts are not implemented.");
                break;
            case "suggests":
                if($owner_id < 0) {
                    if($wallOnwer->getWallType() != 2) 
                        $this->fail(125, "Group's wall type is open or closed");

                    if($wallOnwer->canBeModifiedBy($this->getUser())) {
                        $iteratorv = $posts->getSuggestedPosts($owner_id * -1, 1, $count, $offset);
                        $cnt       = $posts->getSuggestedPostsCount($owner_id * -1);
                    } else {
                        $iteratorv = $posts->getSuggestedPostsByUser($owner_id * -1, $this->getUser()->getId(), 1, $count, $offset);
                        $cnt       = $posts->getSuggestedPostsCountByUser($owner_id * -1, $this->getUser()->getId());
                    }
                } else {
                    $this->fail(528, "Suggested posts avaiable only at groups");
                }

                break;
            default:
                $this->fail(254, "Invalid filter");
                break;
        }

        $iteratorv = iterator_to_array($iteratorv);

        foreach($iteratorv as $post) {
            $from_id = get_class($post->getOwner()) == "openvk\Web\Models\Entities\Club" ? $post->getOwner()->getId() * (-1) : $post->getOwner()->getId();

            $attachments = [];
            $repost = [];
            foreach($post->getChildren() as $attachment) {
                if($attachment instanceof \openvk\Web\Models\Entities\Photo) {
                    if($attachment->isDeleted())
                        continue;

                    $attachments[] = $this->getApiPhoto($attachment);
                } else if($attachment instanceof \openvk\Web\Models\Entities\Poll) {
                    $attachments[] = $this->getApiPoll($attachment, $this->getUser());
                } else if ($attachment instanceof \openvk\Web\Models\Entities\Video) {
                    $attachments[] = $attachment->getApiStructure($this->getUser());
                } else if ($attachment instanceof \openvk\Web\Models\Entities\Note) {
                    if(VKAPI_DECL_VER === '4.100') {
                        $attachments[] = $attachment->toVkApiStruct();
                    } else {
                        $attachments[] = [
                            'type' => 'note',
                            'note' => $attachment->toVkApiStruct()
                        ];
                    }
                } else if ($attachment instanceof \openvk\Web\Models\Entities\Audio) {
                    $attachments[] = [
                        "type" => "audio",
                        "audio" => $attachment->toVkApiStruct($this->getUser()),
                    ];
                } else if ($attachment instanceof \openvk\Web\Models\Entities\Post) {
                    $repostAttachments = [];

                    foreach($attachment->getChildren() as $repostAttachment) {
                        if($repostAttachment instanceof \openvk\Web\Models\Entities\Photo) {
                            if($repostAttachment->isDeleted())
                                continue;

                            $repostAttachments[] = $this->getApiPhoto($repostAttachment);
                            /* Рекурсии, сука! Заказывали? */
                        }
                    }

                    if ($attachment->isPostedOnBehalfOfGroup())
                        $groups[] = $attachment->getOwner()->getId();
                    else
                        $profiles[] = $attachment->getOwner()->getId();

                    $repost[] = [
                        "id" => $attachment->getVirtualId(),
                        "owner_id" => $attachment->isPostedOnBehalfOfGroup() ? $attachment->getOwner()->getId() * -1 : $attachment->getOwner()->getId(),
                        "from_id" => $attachment->isPostedOnBehalfOfGroup() ? $attachment->getOwner()->getId() * -1 : $attachment->getOwner()->getId(),
                        "date" => $attachment->getPublicationTime()->timestamp(),
                        "post_type" => $attachment->getVkApiType(),
                        "text" => $attachment->getText(false),
                        "attachments" => $repostAttachments,
                        "post_source" => $attachment->getPostSourceInfo(),
                    ];

                    if ($attachment->getTargetWall() > 0)
                        $profiles[] = $attachment->getTargetWall();
                    else
                        $groups[] = abs($attachment->getTargetWall());
                        if($post->isSigned())
                            $profiles[] = $attachment->getOwner()->getId();
                }
            }

            $signerId = NULL;
            if($post->isSigned()) {
                $actualAuthor = $post->getOwner(false);
                $signerId     = $actualAuthor->getId();
            }

            # TODO "can_pin", "copy_history" и прочее не должны возвращаться, если равны null или false
            # Ну и ещё всё надо перенести в toVkApiStruct, а то слишком много дублированного кода

            $post_temp_obj = (object)[
                "id"           => $post->getVirtualId(),
                "from_id"      => $from_id,
                "owner_id"     => $post->getTargetWall(),
                "date"         => $post->getPublicationTime()->timestamp(),
                "post_type"    => $post->getVkApiType(),
                "text"         => $post->getText(false),
                "copy_history" => $repost,
                "can_edit"     => $post->canBeEditedBy($this->getUser()),
                "can_delete"   => $post->canBeDeletedBy($this->getUser()),
                "can_pin"      => $post->canBePinnedBy($this->getUser()),
                "can_archive"  => false, # TODO MAYBE
                "is_archived"  => false,
                "is_pinned"    => $post->isPinned(),
                "is_explicit"  => $post->isExplicit(),
                "attachments"  => $attachments,
                "post_source"  => $post->getPostSourceInfo(),
                "comments"     => (object)[
                    "count"    => $post->getCommentsCount(),
                    "can_post" => 1
                ],
                "likes" => (object)[
                    "count"       => $post->getLikesCount(),
                    "user_likes"  => (int) $post->hasLikeFrom($this->getUser()),
                    "can_like"    => 1,
                    "can_publish" => 1,
                ],
                "reposts" => (object)[
                    "count"         => $post->getRepostCount(),
                    "user_reposted" => 0
                ]
            ];

            if($post->hasSource())
                $post_temp_obj->copyright = $post->getVkApiCopyright();

            if($signerId) 
                $post_temp_obj->signer_id = $signerId;

            if($post->isDeactivationMessage())
                $post_temp_obj->final_post = 1;

            $items[] = $post_temp_obj;

            if ($from_id > 0)
                $profiles[] = $from_id;
            else
                $groups[]   = $from_id * -1;

                if($post->isSigned())
                    $profiles[] = $post->getOwner(false)->getId();

            $attachments = NULL; # free attachments so it will not clone everythingg
        }

        if($rss == 1) {
            $channel = new \Bhaktaraz\RSSGenerator\Channel();
            $channel->title($wallOnwer->getCanonicalName() . " — " . OPENVK_ROOT_CONF['openvk']['appearance']['name'])
            ->description('Wall of ' . $wallOnwer->getCanonicalName())
            ->url(ovk_scheme(true) . $_SERVER["HTTP_HOST"] . "/wall" . $wallOnwer->getRealId());

            foreach($iteratorv as $item) {
                $output = $item->toRss();
                $output->appendTo($channel);
            }

            return $channel;
        }

        if($extended == 1) {
            $profiles = array_unique($profiles);
            $groups  = array_unique($groups);

            $profilesFormatted = [];
            $groupsFormatted   = [];

            foreach($profiles as $prof) {
                $user                = (new UsersRepo)->get($prof);
                $profilesFormatted[] = (object)[
                    "first_name"        => $user->getFirstName(),
                    "id"                => $user->getId(),
                    "last_name"         => $user->getLastName(),
                    "can_access_closed" => (bool)$user->canBeViewedBy($this->getUser()),
                    "is_closed"         => $user->isClosed(),
                    "sex"               => $user->isFemale() ? 1 : ($user->isNeutral() ? 0 : 2),
                    "screen_name"       => $user->getShortCode(),
                    "photo_50"          => $user->getAvatarUrl(),
                    "photo_100"         => $user->getAvatarUrl(),
                    "online"            => $user->isOnline(),
                    "verified"          => $user->isVerified()
                ];
            }

            foreach($groups as $g) {
                $group             = (new ClubsRepo)->get($g);
                $groupsFormatted[] = (object)[
                    "id"          => $group->getId(),
                    "name"        => $group->getName(),
                    "screen_name" => $group->getShortCode(),
                    "is_closed"   => 0,
                    "type"        => "group",
                    "photo_50"    => $group->getAvatarUrl(),
                    "photo_100"   => $group->getAvatarUrl(),
                    "photo_200"   => $group->getAvatarUrl(),
                    "verified"    => $group->isVerified()
                ];
            }

            return (object) [
                "count"    => $cnt,
                "items"    => $items,
                "profiles" => $profilesFormatted,
                "groups"   => $groupsFormatted
            ];
        } else
            return (object) [
                "count" => $cnt,
                "items" => $items
            ];
    }

    function getById(string $posts, int $extended = 0, string $fields = "", User $user = NULL)
    {
        if($user == NULL) {
            $this->requireUser();
            $user = $this->getUser(); # костыли костыли крылышки
        }

        $items    = [];
        $profiles = [];
        $groups   = [];

        $psts     = explode(',', $posts);

        foreach($psts as $pst) {
            $id   = explode("_", $pst);
            $post = (new PostsRepo)->getPostById(intval($id[0]), intval($id[1]), true);

            if($post && !$post->isDeleted()) {
                if(!$post->canBeViewedBy($this->getUser()))
                    continue;

                if($post->getSuggestionType() != 0 && !$post->canBeEditedBy($this->getUser())) {
                    continue;
                }

                $from_id = get_class($post->getOwner()) == "openvk\Web\Models\Entities\Club" ? $post->getOwner()->getId() * (-1) : $post->getOwner()->getId();
                $attachments = [];
                $repost = []; // чел высрал семь сигарет 😳 помянем 🕯
                foreach($post->getChildren() as $attachment) {
                    if($attachment instanceof \openvk\Web\Models\Entities\Photo) {
                        $attachments[] = $this->getApiPhoto($attachment);
                    } else if($attachment instanceof \openvk\Web\Models\Entities\Poll) {
                        $attachments[] = $this->getApiPoll($attachment, $user);
                    } else if ($attachment instanceof \openvk\Web\Models\Entities\Video) {
                        $attachments[] = $attachment->getApiStructure($this->getUser());
                    } else if ($attachment instanceof \openvk\Web\Models\Entities\Note) {
                        if(VKAPI_DECL_VER === '4.100') {
                            $attachments[] = $attachment->toVkApiStruct();
                        } else {
                            $attachments[] = [
                                'type' => 'note',
                                'note' => $attachment->toVkApiStruct()
                            ];
                        }
                    } else if ($attachment instanceof \openvk\Web\Models\Entities\Audio) {
                        $attachments[] = [
                            "type" => "audio",
                            "audio" => $attachment->toVkApiStruct($this->getUser())
                        ];
                    } else if ($attachment instanceof \openvk\Web\Models\Entities\Post) {
                        $repostAttachments = [];

                        foreach($attachment->getChildren() as $repostAttachment) {
                            if($repostAttachment instanceof \openvk\Web\Models\Entities\Photo) {
                                if($attachment->isDeleted())
                                    continue;

                                $repostAttachments[] = $this->getApiPhoto($repostAttachment);
                                /* Рекурсии, сука! Заказывали? */
                            }
                        }

                        if ($attachment->isPostedOnBehalfOfGroup())
                            $groups[] = $attachment->getOwner()->getId();
                        else
                            $profiles[] = $attachment->getOwner()->getId();

                        $repost[] = [
                            "id" => $attachment->getVirtualId(),
                            "owner_id" => $attachment->isPostedOnBehalfOfGroup() ? $attachment->getOwner()->getId() * -1 : $attachment->getOwner()->getId(),
                            "from_id" => $attachment->isPostedOnBehalfOfGroup() ? $attachment->getOwner()->getId() * -1 : $attachment->getOwner()->getId(),
                            "date" => $attachment->getPublicationTime()->timestamp(),
                            "post_type" => "post",
                            "text" => $attachment->getText(false),
                            "attachments" => $repostAttachments,
                            "post_source" => $attachment->getPostSourceInfo(),
                        ];

                        if ($attachment->getTargetWall() > 0)
                            $profiles[] = $attachment->getTargetWall();
                        else
                            $groups[] = abs($attachment->getTargetWall());
                            if($post->isSigned())
                                $profiles[] = $attachment->getOwner()->getId();
                    }
                }

                if($post->isSigned()) {
                    $actualAuthor = $post->getOwner(false);
                    $signerId     = $actualAuthor->getId();
                }

                $post_temp_obj = (object)[
                    "id"           => $post->getVirtualId(),
                    "from_id"      => $from_id,
                    "owner_id"     => $post->getTargetWall(),
                    "date"         => $post->getPublicationTime()->timestamp(),
                    "post_type"    => $post->getVkApiType(),
                    "text"         => $post->getText(false),
                    "copy_history" => $repost,
                    "can_edit"     => $post->canBeEditedBy($this->getUser()),
                    "can_delete"   => $post->canBeDeletedBy($user),
                    "can_pin"      => $post->canBePinnedBy($user),
                    "can_archive"  => false, # TODO MAYBE
                    "is_archived"  => false,
                    "is_pinned"    => $post->isPinned(),
                    "is_explicit"  => $post->isExplicit(),
                    "post_source"  => $post->getPostSourceInfo(),
                    "attachments"  => $attachments,
                    "comments"     => (object)[
                        "count"    => $post->getCommentsCount(),
                        "can_post" => 1
                    ],
                    "likes" => (object)[
                        "count"       => $post->getLikesCount(),
                        "user_likes"  => (int) $post->hasLikeFrom($user),
                        "can_like"    => 1,
                        "can_publish" => 1,
                    ],
                    "reposts" => (object)[
                        "count"         => $post->getRepostCount(),
                        "user_reposted" => 0
                    ]
                ];

                if($post->hasSource())
                    $post_temp_obj->copyright = $post->getVkApiCopyright();

                if($signerId) 
                    $post_temp_obj->signer_id = $signerId;

                if($post->isDeactivationMessage())
                    $post_temp_obj->final_post = 1;

                $items[] = $post_temp_obj;

                if ($from_id > 0)
                    $profiles[] = $from_id;
                else
                    $groups[]   = $from_id * -1;

                    if($post->isSigned())
                        $profiles[] = $post->getOwner(false)->getId();

                $attachments = NULL; # free attachments so it will not clone everything
                $repost = NULL;      # same
            }
        }

        if($extended == 1) {
            $profiles = array_unique($profiles);
            $groups   = array_unique($groups);

            $profilesFormatted = [];
            $groupsFormatted   = [];

            foreach($profiles as $prof) {
                $user                = (new UsersRepo)->get($prof);
                if($user) {
                    $profilesFormatted[] = (object)[
                        "first_name"        => $user->getFirstName(),
                        "id"                => $user->getId(),
                        "last_name"         => $user->getLastName(),
                        "can_access_closed" => (bool)$user->canBeViewedBy($this->getUser()),
                        "is_closed"         => $user->isClosed(),
                        "sex"               => $user->isFemale() ? 1 : 2,
                        "screen_name"       => $user->getShortCode(),
                        "photo_50"          => $user->getAvatarUrl(),
                        "photo_100"         => $user->getAvatarUrl(),
                        "online"            => $user->isOnline(),
                        "verified"          => $user->isVerified()
                    ];
                } else {
                    $profilesFormatted[] = (object)[
                        "id" 		  => (int) $prof,
                        "first_name"  => "DELETED",
                        "last_name"   => "",
                        "deactivated" => "deleted"
                    ];
                }
            }

            foreach($groups as $g) {
                $group             = (new ClubsRepo)->get($g);
                $groupsFormatted[] = (object)[
                    "id"           => $group->getId(),
                    "name"         => $group->getName(),
                    "screen_name"  => $group->getShortCode(),
                    "is_closed"    => 0,
                    "type"         => "group",
                    "photo_50"     => $group->getAvatarUrl(),
                    "photo_100"    => $group->getAvatarUrl(),
                    "photo_200"    => $group->getAvatarUrl(),
                    "verified"     => $group->isVerified()
                ];
            }

            return (object) [
                "items"    => (array)$items,
                "profiles" => (array)$profilesFormatted,
                "groups"   => (array)$groupsFormatted
            ];
        } else
            return (object) [
                "items" => (array)$items
            ];
    }

    function post(string $owner_id, string $message = "", string $copyright = "", int $from_group = 0, int $signed = 0, string $attachments = "", int $post_id = 0): object
    {
        $this->requireUser();
        $this->willExecuteWriteAction();

        $owner_id  = intval($owner_id);

        $wallOwner = ($owner_id > 0 ? (new UsersRepo)->get($owner_id) : (new ClubsRepo)->get($owner_id * -1))
                     ?? $this->fail(18, "User was deleted or banned");
        if($owner_id > 0)
            $canPost = $wallOwner->getPrivacyPermission("wall.write", $this->getUser()) && $wallOwner->canBeViewedBy($this->getUser());
        else if($owner_id < 0)
            if($wallOwner->canBeModifiedBy($this->getUser()))
                $canPost = true;
            else
                $canPost = $wallOwner->canPost();
        else
            $canPost = false;

        if($canPost == false) $this->fail(15, "Access denied");

        if($post_id > 0) {
            if($owner_id > 0)
                $this->fail(62, "Suggested posts available only at groups");

            $post = (new PostsRepo)->getPostById($owner_id, $post_id, true);

            if(!$post || $post->isDeleted())
                $this->fail(32, "Invald post");

            if($post->getSuggestionType() == 0)
                $this->fail(20, "Post is not suggested");

            if($post->getSuggestionType() == 2)
                $this->fail(16, "Post is declined");

            if(!$post->canBePinnedBy($this->getUser()))
                $this->fail(51, "Access denied");

            $author = $post->getOwner();
            $flags = 0;
            $flags |= 0b10000000;

            if($signed == 1)
                $flags |= 0b01000000;

            $post->setSuggested(0);
            $post->setCreated(time());
            $post->setFlags($flags);

            if(!empty($message) && iconv_strlen($message) > 0)
                $post->setContent($message);

            $post->save();

            if($author->getId() != $this->getUser()->getId())
                (new PostAcceptedNotification($author, $post, $post->getWallOwner()))->emit();

            return (object)["post_id" => $post->getVirtualId()];
        }

        $anon = OPENVK_ROOT_CONF["openvk"]["preferences"]["wall"]["anonymousPosting"]["enable"];
        if($wallOwner instanceof Club && $from_group == 1 && $signed != 1 && $anon) {
            $manager = $wallOwner->getManager($this->getUser());
            if($manager)
                $anon = $manager->isHidden();
            elseif($this->getUser()->getId() === $wallOwner->getOwner()->getId())
                $anon = $wallOwner->isOwnerHidden();
        } else {
            $anon = false;
        }

        $flags = 0;
        if($from_group == 1 && $wallOwner instanceof Club && $wallOwner->canBeModifiedBy($this->getUser()))
            $flags |= 0b10000000;
        if($signed == 1)
            $flags |= 0b01000000;

        $parsed_attachments  = parseAttachments($attachments, ['photo', 'video', 'note', 'poll', 'audio']);
        $final_attachments   = [];
        $should_be_suggested = $owner_id < 0 && !$wallOwner->canBeModifiedBy($this->getUser()) && $wallOwner->getWallType() == 2;
        foreach($parsed_attachments as $attachment) {
            if($attachment && !$attachment->isDeleted() && $attachment->canBeViewedBy($this->getUser()) &&
            !(method_exists($attachment, 'getVoters') && $attachment->getOwner()->getId() != $this->getUser()->getId())) {
                $final_attachments[] = $attachment;
            }
        }

        if((empty($message) && (empty($attachments) || sizeof($final_attachments) < 1)))
            $this->fail(100, "Required parameter 'message' missing.");

        try {
            $post = new Post;
            $post->setOwner($this->getUser()->getId());
            $post->setWall($owner_id);
            $post->setCreated(time());
            $post->setContent($message);
            $post->setFlags($flags);
            $post->setApi_Source_Name($this->getPlatform());

            if(!is_null($copyright) && !empty($copyright)) {
                try {
                    $post->setSource($copyright);
                } catch(\Throwable) {}
            }
          
            if($should_be_suggested)
                $post->setSuggested(1);

            $post->save();
        } catch(\LogicException $ex) {
            $this->fail(100, "One of the parameters specified was missing or invalid");
        }

        foreach($final_attachments as $attachment) {
            $post->attach($attachment);
        }

        if($wall > 0 && $wall !== $this->user->identity->getId())
            (new WallPostNotification($wallOwner, $post, $this->user->identity))->emit();

        return (object)["post_id" => $post->getVirtualId()];
    }

    function repost(string $object, string $message = "", string $attachments = "", int $group_id = 0, int $as_group = 0, int $signed = 0) {
        $this->requireUser();
        $this->willExecuteWriteAction();

        $postArray;
        if(preg_match('/(wall|video|photo)((?:-?)[0-9]+)_([0-9]+)/', $object, $postArray) == 0)
            $this->fail(100, "One of the parameters specified was missing or invalid: object is incorrect");

        $parsed_attachments  = parseAttachments($attachments, ['photo', 'video', 'note', 'audio']);
        $final_attachments   = [];
        foreach($parsed_attachments as $attachment) {
            if($attachment && !$attachment->isDeleted() && $attachment->canBeViewedBy($this->getUser()) &&
            !(method_exists($attachment, 'getVoters') && $attachment->getOwner()->getId() != $this->getUser()->getId())) {
                $final_attachments[] = $attachment;
            }
        }

        $repost_entity = NULL;
        $repost_type   = $postArray[1];
        switch($repost_type) {
            default:
            case 'wall':
                $repost_entity = (new PostsRepo)->getPostById((int) $postArray[2], (int) $postArray[3]);
                break;
            case 'photo':
                $repost_entity = (new PhotosRepo)->getByOwnerAndVID((int) $postArray[2], (int) $postArray[3]);
                break;
            case 'video':
                $repost_entity = (new VideosRepo)->getByOwnerAndVID((int) $postArray[2], (int) $postArray[3]);
                break;
        }

        if(!$repost_entity || $repost_entity->isDeleted() || !$repost_entity->canBeViewedBy($this->getUser())) $this->fail(100, "One of the parameters specified was missing or invalid");

        $nPost = new Post;
        $nPost->setOwner($this->user->getId());
        
        if($group_id > 0) {
            $club = (new ClubsRepo)->get($group_id);
            if(!$club)
                $this->fail(42, "Invalid group");
            
            if(!$club->canBeModifiedBy($this->user))
                $this->fail(16, "Access to group denied");
            
            $nPost->setWall($club->getRealId());
            $flags = 0;
            if($as_group === 1 || $signed === 1)
                $flags |= 0b10000000;

            if($signed === 1)
                $flags |= 0b01000000;

            $nPost->setFlags($flags);
        } else {
            $nPost->setWall($this->user->getId());
        }
        
        $nPost->setContent($message);
        $nPost->setApi_Source_Name($this->getPlatform());
        $nPost->save();

        $nPost->attach($repost_entity);

        foreach($parsed_attachments as $attachment) {
            $nPost->attach($attachment);
        }

        if($repost_type == 'wall' && $repost_entity->getOwner(false)->getId() !== $this->user->getId() && !($repost_entity->getOwner() instanceof Club))
            (new RepostNotification($repost_entity->getOwner(false), $repost_entity, $this->user))->emit();

        $repost_count = 1;
        if($repost_type == 'wall') {
            $repost_count = $repost_entity->getRepostCount();
        }

        return (object) [
            "success" => 1, // 👍
            "post_id" => $nPost->getVirtualId(),
            "pretty_id" => $nPost->getPrettyId(),
            "reposts_count" => $repost_count,
            "likes_count" => $repost_entity->getLikesCount()
        ];
    }


    function getComments(int $owner_id, int $post_id, bool $need_likes = true, int $offset = 0, int $count = 10, string $fields = "sex,screen_name,photo_50,photo_100,online_info,online", string $sort = "asc", bool $extended = false) {
        $this->requireUser();

        $post = (new PostsRepo)->getPostById($owner_id, $post_id);
        if(!$post || $post->isDeleted()) $this->fail(100, "One of the parameters specified was missing or invalid");
        
        if(!$post->canBeViewedBy($this->getUser()))
            $this->fail(15, "Access denied");

        $comments = (new CommentsRepo)->getCommentsByTarget($post, $offset+1, $count, $sort == "desc" ? "DESC" : "ASC");

        $items = [];
        $profiles = [];

        foreach($comments as $comment) {
            $owner = $comment->getOwner();
            $oid   = $owner->getId();
            if($owner instanceof Club)
                $oid *= -1;

            $attachments = [];

            foreach($comment->getChildren() as $attachment) {
                if($attachment instanceof \openvk\Web\Models\Entities\Photo) {
                    $attachments[] = $this->getApiPhoto($attachment);
                } elseif($attachment instanceof \openvk\Web\Models\Entities\Note) {
                    $attachments[] = $attachment->toVkApiStruct();
                } elseif($attachment instanceof \openvk\Web\Models\Entities\Audio) {
                    $attachments[] = [
                        "type"  => "audio", 
                        "audio" => $attachment->toVkApiStruct($this->getUser()),
                    ];
                }
            }

            $item = [
                "id"            => $comment->getId(),
                "from_id"       => $oid,
                "date"          => $comment->getPublicationTime()->timestamp(),
                "text"          => $comment->getText(false),
                "post_id"       => $post->getVirtualId(),
                "owner_id"      => method_exists($post, 'isPostedOnBehalfOfGroup') && $post->isPostedOnBehalfOfGroup() ? $post->getOwner()->getId() * -1 : $post->getOwner()->getId(),
                "parents_stack" => [],
                "attachments"   => $attachments,
                "thread"        => [
                    "count"             => 0,
                    "items"             => [],
                    "can_post"          => false,
                    "show_reply_button" => true,
                    "groups_can_post"   => false,
                ]
            ];

            if($comment->isFromPostAuthor($post))
                $item['is_from_post_author'] = true;

            if($need_likes == true)
                $item['likes'] = [
                    "can_like"    => 1,
                    "count"       => $comment->getLikesCount(),
                    "user_likes"  => (int) $comment->hasLikeFrom($this->getUser()),
                    "can_publish" => 1
                ];

            $items[] = $item;
            if($extended == true)
                $profiles[] = $comment->getOwner()->getId();

            $attachments = null;
            // Reset $attachments to not duplicate prikols
        }

        $response = [
            "count"               => (new CommentsRepo)->getCommentsCountByTarget($post),
            "items"               => $items,
            "current_level_count" => (new CommentsRepo)->getCommentsCountByTarget($post),
            "can_post"            => true,
            "show_reply_button"   => true,
            "groups_can_post"     => false
        ];

        if($extended == true) {
            $profiles = array_unique($profiles);
            $response['profiles'] = (!empty($profiles) ? (new Users)->get(implode(',', $profiles), $fields) : []);
        }

        return (object) $response;
    }

    function getComment(int $owner_id, int $comment_id, bool $extended = false, string $fields = "sex,screen_name,photo_50,photo_100,online_info,online") {
        $this->requireUser();

        $comment = (new CommentsRepo)->get($comment_id); # один хуй айди всех комментов общий
        
        if(!$comment || $comment->isDeleted())
            $this->fail(100, "Invalid comment");
    
        if(!$comment->canBeViewedBy($this->getUser()))
            $this->fail(15, "Access denied");

        $profiles = [];

        $attachments = [];

        foreach($comment->getChildren() as $attachment) {
            if($attachment instanceof \openvk\Web\Models\Entities\Photo) {
                $attachments[] = $this->getApiPhoto($attachment);
            } elseif($attachment instanceof \openvk\Web\Models\Entities\Video) {
                $attachments[] = $attachment->getApiStructure();
            } elseif($attachment instanceof \openvk\Web\Models\Entities\Note) {
                $attachments[] = [
                    'type' => 'note',
                    'note' => $attachment->toVkApiStruct()
                ];
            } elseif($attachment instanceof \openvk\Web\Models\Entities\Audio) {
                $attachments[] = [
                    "type" => "audio",
                    "audio" => $attachment->toVkApiStruct($this->getUser()),
                ];
            }
        }

        $item = [
            "id"            => $comment->getId(),
            "from_id"       => $comment->getOwner()->getId(),
            "date"          => $comment->getPublicationTime()->timestamp(),
            "text"          => $comment->getText(false),
            "post_id"       => $comment->getTarget()->getVirtualId(),
            "owner_id"      => method_exists($comment->getTarget(), 'isPostedOnBehalfOfGroup') && $comment->getTarget()->isPostedOnBehalfOfGroup() ? $comment->getTarget()->getOwner()->getId() * -1 : $comment->getTarget()->getOwner()->getId(),
            "parents_stack" => [],
            "attachments"   => $attachments,
            "likes"         => [
                "can_like"    => 1,
                "count"       => $comment->getLikesCount(),
                "user_likes"  => (int) $comment->hasLikeFrom($this->getUser()),
                "can_publish" => 1
            ],
            "thread"        => [
                "count"             => 0,
                "items"             => [],
                "can_post"          => false,
                "show_reply_button" => true,
                "groups_can_post"   => false,
            ]
        ];

        if($comment->isFromPostAuthor())
            $item['is_from_post_author'] = true;

        if($extended == true)
            $profiles[] = $comment->getOwner()->getId();

        $response = [
            "items"               => [$item],
            "can_post"            => true,
            "show_reply_button"   => true,
            "groups_can_post"     => false
        ];

        if($extended == true) {
            $profiles = array_unique($profiles);
            $response['profiles'] = (!empty($profiles) ? (new Users)->get(implode(',', $profiles), $fields) : []);
        }

        return $response;
    }

    function createComment(int $owner_id, int $post_id, string $message = "", int $from_group = 0, string $attachments = "") {
        $this->requireUser();
        $this->willExecuteWriteAction();

        $post = (new PostsRepo)->getPostById($owner_id, $post_id);
        if(!$post || $post->isDeleted()) $this->fail(100, "Invalid post");

        if(!$post->canBeViewedBy($this->getUser()))
            $this->fail(15, "Access denied");

        if($post->getTargetWall() < 0)
            $club = (new ClubsRepo)->get(abs($post->getTargetWall()));

        $parsed_attachments  = parseAttachments($attachments, ['photo', 'video', 'note', 'audio']);
        $final_attachments   = [];
        foreach($parsed_attachments as $attachment) {
            if($attachment && !$attachment->isDeleted() && $attachment->canBeViewedBy($this->getUser()) &&
            !(method_exists($attachment, 'getVoters') && $attachment->getOwner()->getId() != $this->getUser()->getId())) {
                $final_attachments[] = $attachment;
            }
        }

        if((empty($message) && (empty($attachments) || sizeof($final_attachments) < 1))) {
            $this->fail(100, "Required parameter 'message' missing.");
        }

        $flags = 0;
        if($from_group != 0 && !is_null($club) && $club->canBeModifiedBy($this->user))
            $flags |= 0b10000000;

        try {
            $comment = new Comment;
            $comment->setOwner($this->user->getId());
            $comment->setModel(get_class($post));
            $comment->setTarget($post->getId());
            $comment->setContent($message);
            $comment->setCreated(time());
            $comment->setFlags($flags);
            $comment->save();
        } catch (\LengthException $ex) {
            $this->fail(1, "ошибка про то что коммент большой слишком");
        }

        foreach($final_attachments as $attachment) {
            $comment->attach($attachment);
        }

        if($post->getOwner()->getId() !== $this->user->getId())
            if(($owner = $post->getOwner()) instanceof User)
                (new CommentNotification($owner, $comment, $post, $this->user))->emit();

        return (object) [
            "comment_id" => $comment->getId(),
            "parents_stack" => []
        ];
    }

    function deleteComment(int $comment_id) {
        $this->requireUser();
        $this->willExecuteWriteAction();

        $comment = (new CommentsRepo)->get($comment_id);
        if(!$comment) $this->fail(100, "One of the parameters specified was missing or invalid");;
        if(!$comment->canBeDeletedBy($this->user))
            $this->fail(7, "Access denied");

        $comment->delete();

        return 1;
    }
     
    function delete(int $owner_id, int $post_id)
    {
        $this->requireUser();
        $this->willExecuteWriteAction();

        $post = (new PostsRepo)->getPostById($owner_id, $post_id, true);
        if(!$post || $post->isDeleted())
            $this->fail(583, "Invalid post");

        $wallOwner = $post->getWallOwner();
        
        if($post->getTargetWall() < 0 && !$post->getWallOwner()->canBeModifiedBy($this->getUser()) && $post->getWallOwner()->getWallType() != 1 && $post->getSuggestionType() == 0)
            $this->fail(12, "Access denied: you can't delete your accepted post.");

        if($post->getOwnerPost() == $this->getUser()->getId() || $post->getTargetWall() == $this->getUser()->getId() || $owner_id < 0 && $wallOwner->canBeModifiedBy($this->getUser())) {
            $post->unwire();
            $post->delete();

            return 1;
        } else {
            $this->fail(15, "Access denied");
        }
    }
    
    function edit(int $owner_id, int $post_id, string $message = "", string $attachments = "", string $copyright = NULL, int $explicit = -1, int $from_group = 0, int $signed = 0) {
        $this->requireUser();
        $this->willExecuteWriteAction();

        $parsed_attachments  = parseAttachments($attachments, ['photo', 'video', 'note', 'audio', 'poll']);
        $final_attachments   = [];
        foreach($parsed_attachments as $attachment) {
            if($attachment && !$attachment->isDeleted() && $attachment->canBeViewedBy($this->getUser()) &&
            !(method_exists($attachment, 'getVoters') && $attachment->getOwner()->getId() != $this->getUser()->getId())) {
                $final_attachments[] = $attachment;
            }
        }
        
        if(empty($message) && sizeof($final_attachments) < 1) {
            $this->fail(-66, "Post will be empty, don't saving.");
        }

        $post = (new PostsRepo)->getPostById($owner_id, $post_id, true);

        if(!$post || $post->isDeleted())
            $this->fail(102, "Invalid post");

        if(!$post->canBeEditedBy($this->getUser()))
            $this->fail(7, "Access to editing denied");

        if(!empty($message) || (empty($message) && sizeof($final_attachments) > 0))
            $post->setContent($message);
        
        $post->setEdited(time());
        if(!is_null($copyright) && !empty($copyright)) {
            if($copyright == 'remove') {
                $post->resetSource();
            } else {
                try {
                    $post->setSource($copyright);
                } catch(\Throwable) {}
            }
        }

        if($explicit != -1) {
            $post->setNsfw($explicit == 1);
        }

        $wallOwner = ($owner_id > 0 ? (new UsersRepo)->get($owner_id) : (new ClubsRepo)->get($owner_id * -1));
        $flags = 0;
        if($from_group == 1 && $wallOwner instanceof Club && $wallOwner->canBeModifiedBy($this->getUser()))
            $flags |= 0b10000000;
        /*if($signed == 1)
            $flags |= 0b01000000;*/

        $post->setFlags($flags);
        $post->save(true);

        if($attachments == 'remove' || sizeof($final_attachments) > 0) {
            foreach($post->getChildren() as $att) {
                if(!($att instanceof Post)) {
                    $post->detach($att);
                }
            }

            foreach($final_attachments as $attachment) {
                $post->attach($attachment);
            }
        }

        return ["post_id" => $post->getVirtualId()];
    }

    function editComment(int $comment_id, int $owner_id = 0, string $message = "", string $attachments = "") {
        $this->requireUser();
        $this->willExecuteWriteAction();

        $comment = (new CommentsRepo)->get($comment_id);
        $parsed_attachments  = parseAttachments($attachments, ['photo', 'video', 'note', 'audio']);
        $final_attachments   = [];
        foreach($parsed_attachments as $attachment) {
            if($attachment && !$attachment->isDeleted() && $attachment->canBeViewedBy($this->getUser()) &&
            !(method_exists($attachment, 'getVoters') && $attachment->getOwner()->getId() != $this->getUser()->getId())) {
                $final_attachments[] = $attachment;
            }
        }

        if(empty($message) && sizeof($final_attachments) < 1)
            $this->fail(100, "Required parameter 'message' missing.");

        if(!$comment || $comment->isDeleted())
            $this->fail(102, "Invalid comment");

        if(!$comment->canBeEditedBy($this->getUser()))
            $this->fail(15, "Access to editing comment denied");
        
        if(!empty($message) || (empty($message) && sizeof($final_attachments) > 0))
            $comment->setContent($message);
        
        $comment->setEdited(time());
        $comment->save(true);

        if(sizeof($final_attachments) > 0) {
            $comment->unwire();
            foreach($final_attachments as $attachment) {
                $comment->attach($attachment);
            }
        }

        return 1;
    }

    function checkCopyrightLink(string $link): int
    {
        $this->requireUser();

        try {
            $result = check_copyright_link($link); 
        } catch(\InvalidArgumentException $e) {
            $this->fail(3102, "Specified link is incorrect (can't find source)");
        } catch(\LengthException $e) {
            $this->fail(3103, "Specified link is incorrect (too long)");
        } catch(\LogicException $e) {
            $this->fail(3104, "Link is suspicious");
        } catch(\Throwable $e) {
            $this->fail(3102, "Specified link is incorrect");
        }

        return 1;
    }

    function pin(int $owner_id, int $post_id) 
    {
        $this->requireUser();
        $this->willExecuteWriteAction();

        $post = (new PostsRepo)->getPostById($owner_id, $post_id);
        if(!$post || $post->isDeleted())
            $this->fail(100, "One of the parameters specified was missing or invalid: post_id is undefined");

        if(!$post->canBePinnedBy($this->getUser()))
            return 0;
        
        if($post->isPinned())
            return 1;
        
        $post->pin();
        return 1;
    }

    function unpin(int $owner_id, int $post_id) 
    {
        $this->requireUser();
        $this->willExecuteWriteAction();

        $post = (new PostsRepo)->getPostById($owner_id, $post_id);
        if(!$post || $post->isDeleted())
            $this->fail(100, "One of the parameters specified was missing or invalid: post_id is undefined");

        if(!$post->canBePinnedBy($this->getUser()))
            return 0;
        
        if(!$post->isPinned())
            return 1;
        
        $post->unpin();
        return 1;
    }

    private function getApiPhoto($attachment) {
        return [
            "type"  => "photo",
            "photo" => [
                "album_id" => $attachment->getAlbum() ? $attachment->getAlbum()->getId() : 0,
                "date"     => $attachment->getPublicationTime()->timestamp(),
                "id"       => $attachment->getVirtualId(),
                "owner_id" => $attachment->getOwner()->getId(),
                "sizes"    => !is_null($attachment->getVkApiSizes()) ? array_values($attachment->getVkApiSizes()) : NULL,
                "text"     => "",
                "has_tags" => false
            ]
        ];
    }

    private function getApiPoll($attachment, $user) {
        $answers = array();
        foreach($attachment->getResults()->options as $answer) {
            $answers[] = (object)[
                "id"    => $answer->id,
                "rate"  => $answer->pct,
                "text"  => $answer->name,
                "votes" => $answer->votes
            ];
        }

        $userVote = array();
        foreach($attachment->getUserVote($user) as $vote)
            $userVote[] = $vote[0];

        return [
            "type"  => "poll",
            "poll" => [
                "multiple"       => $attachment->isMultipleChoice(),
                "end_date"       => $attachment->endsAt() == NULL ? 0 : $attachment->endsAt()->timestamp(),
                "closed"         => $attachment->hasEnded(),
                "is_board"       => false,
                "can_edit"       => false,
                "can_vote"       => $attachment->canVote($user),
                "can_report"     => false,
                "can_share"      => true,
                "created"        => 0,
                "id"             => $attachment->getId(),
                "owner_id"       => $attachment->getOwner()->getId(),
                "question"       => $attachment->getTitle(),
                "votes"          => $attachment->getVoterCount(),
                "disable_unvote" => $attachment->isRevotable(),
                "anonymous"      => $attachment->isAnonymous(),
                "answer_ids"     => $userVote,
                "answers"        => $answers,
                "author_id"      => $attachment->getOwner()->getId(),
            ]
        ];
    }
}