<?php

declare(strict_types=1);

namespace openvk\Web\Presenters;

use openvk\Web\Models\Entities\{Club, Photo, Post};
use Nette\InvalidStateException;
use openvk\Web\Models\Entities\Notifications\ClubModeratorNotification;
use openvk\Web\Models\Repositories\{Clubs, Users, Albums, Managers, Topics, Audios, Posts, Documents};
use Chandler\Security\Authenticator;

final class GroupPresenter extends OpenVKPresenter
{
    private $clubs;
    protected $presenterName = "group";

    public function __construct(Clubs $clubs)
    {
        $this->clubs = $clubs;

        parent::__construct();
    }

    public function renderView(int $id): void
    {
        $club = $this->clubs->get($id);
        if (!$club) {
            $this->notFound();
        } else {
            if ($club->isBanned()) {
                $this->template->_template = "Group/Banned.xml";
            } else {
                $docs = (new Documents())->getDocumentsByOwner($club->getRealId());
                $this->template->albums = (new Albums())->getClubAlbums($club, 1, 3);
                $this->template->albumsCount = (new Albums())->getClubAlbumsCount($club);
                $this->template->topics = (new Topics())->getLastTopics($club, 3);
                $this->template->topicsCount = (new Topics())->getClubTopicsCount($club);
                $this->template->audios      = (new Audios())->getRandomThreeAudiosByEntityId($club->getRealId());
                $this->template->audiosCount = (new Audios())->getClubCollectionSize($club);
                $this->template->docsCount   = $docs->size();
                $this->template->docs        = $docs->offsetLimit(0, 2);
            }

            if (!is_null($this->user->identity) && $club->getWallType() == 2) {
                if (!$club->canBeModifiedBy($this->user->identity)) {
                    $this->template->suggestedPostsCountByUser = (new Posts())->getSuggestedPostsCountByUser($club->getId(), $this->user->id);
                } else {
                    $this->template->suggestedPostsCountByEveryone = (new Posts())->getSuggestedPostsCount($club->getId());
                }
            }

            $this->template->club = $club;
            $this->template->ignore_status = $club->isIgnoredBy($this->user->identity);
        }
    }

    public function renderCreate(): void
    {
        $this->assertUserLoggedIn();
        $this->willExecuteWriteAction();

        if ($_SERVER["REQUEST_METHOD"] === "POST") {
            if (!empty($this->postParam("name")) && mb_strlen(trim($this->postParam("name"))) > 0) {
                $club = new Club();
                $club->setName($this->postParam("name"));
                $club->setAbout(empty($this->postParam("about")) ? null : $this->postParam("about"));
                $club->setOwner($this->user->id);

                try {
                    $club->save();
                } catch (\PDOException $ex) {
                    if ($ex->getCode() == 23000) {
                        $this->flashFail("err", tr("error"), tr("error_on_server_side"));
                    } else {
                        throw $ex;
                    }
                }

                $club->toggleSubscription($this->user->identity);
                $this->redirect("/club" . $club->getId());
            } else {
                $this->flashFail("err", tr("error"), tr("error_no_group_name"));
            }
        }
    }

    public function renderSub(): void
    {
        $this->assertUserLoggedIn();
        $this->willExecuteWriteAction();

        if ($_SERVER["REQUEST_METHOD"] !== "POST") {
            exit("Invalid state");
        }

        $club = $this->clubs->get((int) $this->postParam("id"));
        if (!$club) {
            exit("Invalid state");
        }
        if ($club->isBanned()) {
            $this->flashFail("err", tr("error"), tr("forbidden"));
        }

        $club->toggleSubscription($this->user->identity);

        $this->redirect($club->getURL());
    }

    public function renderFollowers(int $id): void
    {
        $this->assertUserLoggedIn();

        $this->template->club              = $this->clubs->get($id);
        if ($this->template->club->isBanned()) {
            $this->flashFail("err", tr("error"), tr("forbidden"));
        }

        $this->template->onlyShowManagers  = $this->queryParam("onlyAdmins") == "1";
        if ($this->template->onlyShowManagers) {
            $this->template->followers     = null;

            $this->template->managers     = $this->template->club->getManagers((int) ($this->queryParam("p") ?? 1), !$this->template->club->canBeModifiedBy($this->user->identity));
            if ($this->template->club->canBeModifiedBy($this->user->identity) || !$this->template->club->isOwnerHidden()) {
                $this->template->managers  = array_merge([$this->template->club->getOwner()], iterator_to_array($this->template->managers));
            }

            $this->template->count         = $this->template->club->getManagersCount();
        } else {
            $this->template->followers     = $this->template->club->getFollowers((int) ($this->queryParam("p") ?? 1));
            $this->template->managers      = null;
            $this->template->count         = $this->template->club->getFollowersCount();
        }

        $this->template->paginatorConf = (object) [
            "count"   => $this->template->count,
            "page"    => $this->queryParam("p") ?? 1,
            "amount"  => 10,
            "perPage" => OPENVK_DEFAULT_PER_PAGE,
        ];
    }

    public function renderModifyAdmin(int $id): void
    {
        $user = is_null($this->queryParam("user")) ? $this->postParam("user") : $this->queryParam("user");
        $comment = $this->postParam("comment");
        $removeComment = $this->postParam("removeComment") === "1";
        $hidden = ["0" => false, "1" => true][$this->queryParam("hidden")] ?? null;
        //$index = $this->queryParam("index");
        if (!$user) {
            $this->badRequest();
        }

        $club = $this->clubs->get($id);
        if ($club->isBanned()) {
            $this->flashFail("err", tr("error"), tr("forbidden"));
        }

        $user = (new Users())->get((int) $user);
        if (!$user || !$club) {
            $this->notFound();
        }

        if (!$club->canBeModifiedBy($this->user->identity ?? null)) {
            $this->flashFail("err", tr("error_access_denied_short"), tr("error_access_denied"));
        }

        if (!is_null($hidden)) {
            if ($club->getOwner()->getId() == $user->getId()) {
                $club->setOwner_Hidden($hidden);
                $club->save();
            } else {
                $manager = (new Managers())->getByUserAndClub($user->getId(), $club->getId());
                $manager->setHidden($hidden);
                $manager->save();
            }

            if ($club->getManagersCount(true) == 0) {
                $club->setAdministrators_List_Display(2);
                $club->save();
            }

            if ($hidden) {
                $this->flashFail("succ", tr("success_action"), tr("x_is_now_hidden", $user->getCanonicalName()));
            } else {
                $this->flashFail("succ", tr("success_action"), tr("x_is_now_showed", $user->getCanonicalName()));
            }
        } elseif ($removeComment) {
            if ($club->getOwner()->getId() == $user->getId()) {
                $club->setOwner_Comment(null);
                $club->save();
            } else {
                $manager = (new Managers())->getByUserAndClub($user->getId(), $club->getId());
                $manager->setComment(null);
                $manager->save();
            }

            $this->flashFail("succ", tr("success_action"), tr("comment_is_deleted"));
        } elseif ($comment) {
            if (mb_strlen($comment) > 36) {
                $commentLength = (string) mb_strlen($comment);
                $this->flashFail("err", tr("error"), tr("comment_is_too_long", $commentLength));
            }

            if ($club->getOwner()->getId() == $user->getId()) {
                $club->setOwner_Comment($comment);
                $club->save();
            } else {
                $manager = (new Managers())->getByUserAndClub($user->getId(), $club->getId());
                $manager->setComment($comment);
                $manager->save();
            }

            $this->flashFail("succ", tr("success_action"), tr("comment_is_changed"));
        } else {
            if ($club->canBeModifiedBy($user)) {
                $club->removeManager($user);
                $this->flashFail("succ", tr("success_action"), tr("x_no_more_admin", $user->getCanonicalName()));
            } else {
                $club->addManager($user);

                (new ClubModeratorNotification($user, $club, $this->user->identity))->emit();
                $this->flashFail("succ", tr("success_action"), tr("x_is_admin", $user->getCanonicalName()));
            }
        }

    }

    public function renderEdit(int $id): void
    {
        $this->assertUserLoggedIn();
        $this->willExecuteWriteAction();

        $club = $this->clubs->get($id);
        if (!$club || !$club->canBeModifiedBy($this->user->identity)) {
            $this->notFound();
        } elseif ($club->isBanned()) {
            $this->flashFail("err", tr("error"), tr("forbidden"));
        } else {
            $this->template->club = $club;
        }

        if ($_SERVER["REQUEST_METHOD"] === "POST") {
            if (!$club->setShortcode(empty($this->postParam("shortcode")) ? null : $this->postParam("shortcode"))) {
                $this->flashFail("err", tr("error"), tr("error_shorturl_incorrect"));
            }

            $club->setName((empty($this->postParam("name")) || mb_strlen(trim($this->postParam("name"))) === 0) ? $club->getName() : $this->postParam("name"));
            $club->setAbout(empty($this->postParam("about")) ? null : $this->postParam("about"));
            try {
                $club->setWall(empty($this->postParam("wall")) ? 0 : (int) $this->postParam("wall"));
            } catch (\Exception $e) {
                $this->flashFail("err", tr("error"), tr("error_invalid_wall_value"));
            }

            $club->setAdministrators_List_Display(empty($this->postParam("administrators_list_display")) ? 0 : $this->postParam("administrators_list_display"));
            $club->setEveryone_Can_Create_Topics(empty($this->postParam("everyone_can_create_topics")) ? 0 : 1);
            $club->setDisplay_Topics_Above_Wall(empty($this->postParam("display_topics_above_wall")) ? 0 : 1);
            $club->setEveryone_can_upload_audios(empty($this->postParam("upload_audios")) ? 0 : 1);

            if (!$club->isHidingFromGlobalFeedEnforced()) {
                $club->setHide_From_Global_Feed(empty($this->postParam("hide_from_global_feed") ? 0 : 1));
            }

            $website = $this->postParam("website") ?? "";
            if (empty($website)) {
                $club->setWebsite(null);
            } else {
                $club->setWebsite((!parse_url($website, PHP_URL_SCHEME) ? "https://" : "") . $website);
            }

            if ($_FILES["ava"]["error"] === UPLOAD_ERR_OK) {
                $photo = new Photo();
                try {
                    $anon = OPENVK_ROOT_CONF["openvk"]["preferences"]["wall"]["anonymousPosting"]["enable"];
                    if ($anon && $this->user->id === $club->getOwner()->getId()) {
                        $anon = $club->isOwnerHidden();
                    } elseif ($anon) {
                        $anon = $club->getManager($this->user->identity)->isHidden();
                    }

                    $photo->setOwner($this->user->id);
                    $photo->setDescription("Profile image");
                    $photo->setFile($_FILES["ava"]);
                    $photo->setCreated(time());
                    $photo->setAnonymous($anon);
                    $photo->save();

                    (new Albums())->getClubAvatarAlbum($club)->addPhoto($photo);
                } catch (ISE $ex) {
                    $name = $album->getName();
                    $this->flashFail("err", tr("error"), tr("error_when_uploading_photo"));
                }
            }

            try {
                $club->save();
            } catch (\PDOException $ex) {
                if ($ex->getCode() == 23000) {
                    $this->flashFail("err", tr("error"), tr("error_on_server_side"));
                } else {
                    throw $ex;
                }
            }

            $this->flash("succ", tr("changes_saved"), tr("new_changes_desc"));
        }
    }

    public function renderSetAvatar(int $id)
    {
        $this->assertUserLoggedIn();
        $this->willExecuteWriteAction();

        $club = $this->clubs->get($id);

        if (!$club || $club->isBanned() || !$club->canBeModifiedBy($this->user->identity)) {
            $this->flashFail("err", tr("error"), tr("forbidden"), null, true);
        }

        if ($_SERVER["REQUEST_METHOD"] === "POST" && $_FILES["blob"]["error"] === UPLOAD_ERR_OK) {
            try {
                $photo = new Photo();

                $anon = OPENVK_ROOT_CONF["openvk"]["preferences"]["wall"]["anonymousPosting"]["enable"];
                if ($anon && $this->user->id === $club->getOwner()->getId()) {
                    $anon = $club->isOwnerHidden();
                } elseif ($anon) {
                    $anon = $club->getManager($this->user->identity)->isHidden();
                }

                $photo->setOwner($this->user->id);
                $photo->setDescription("Club image");
                $photo->setFile($_FILES["blob"]);
                $photo->setCreated(time());
                $photo->setAnonymous($anon);
                $photo->save();

                (new Albums())->getClubAvatarAlbum($club)->addPhoto($photo);

                if ($this->postParam("on_wall") == 1) {
                    $post = new Post();

                    $post->setOwner($this->user->id);
                    $post->setWall($club->getId() * -1);
                    $post->setCreated(time());
                    $post->setContent("");

                    $flags = 0;
                    $flags |= 0b00010000;
                    $flags |= 0b10000000;

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

                    $post->attach($photo);
                }

            } catch (\Throwable $ex) {
                $this->flashFail("err", tr("error"), tr("error_when_uploading_photo"), null, true);
            }

            $this->returnJson([
                "success"   => true,
                "new_photo" => $photo->getPrettyId(),
                "url"       => $photo->getURL(),
            ]);
        } else {
            return " ";
        }
    }

    public function renderDeleteAvatar(int $id)
    {
        $this->assertUserLoggedIn();
        $this->willExecuteWriteAction();

        $club = $this->clubs->get($id);

        if (!$club || $club->isBanned() || !$club->canBeModifiedBy($this->user->identity)) {
            $this->flashFail("err", tr("error"), tr("forbidden"), null, true);
        }

        $avatar = $club->getAvatarPhoto();

        if (!$avatar) {
            $this->flashFail("succ", tr("error"), "no avatar bro", null, true);
        }

        $avatar->isolate();

        $newAvatar = $club->getAvatarPhoto();

        if (!$newAvatar) {
            $this->returnJson([
                "success" => true,
                "has_new_photo" => false,
                "new_photo" => null,
                "url"       => "/assets/packages/static/openvk/img/camera_200.png",
            ]);
        } else {
            $this->returnJson([
                "success" => true,
                "has_new_photo" => true,
                "new_photo" => $newAvatar->getPrettyId(),
                "url"       => $newAvatar->getURL(),
            ]);
        }
    }

    public function renderEditBackdrop(int $id): void
    {
        $this->assertUserLoggedIn();
        $this->willExecuteWriteAction();

        $club = $this->clubs->get($id);
        if (!$club || !$club->canBeModifiedBy($this->user->identity)) {
            $this->notFound();
        } else {
            $this->template->club = $club;
        }

        if ($_SERVER["REQUEST_METHOD"] !== "POST") {
            return;
        }

        if ($this->postParam("subact") === "remove") {
            $club->unsetBackDropPictures();
            $club->save();
            $this->flashFail("succ", tr("backdrop_succ_rem"), tr("backdrop_succ_desc")); # will exit
        }

        $pic1 = $pic2 = null;
        try {
            if ($_FILES["backdrop1"]["error"] !== UPLOAD_ERR_NO_FILE) {
                $pic1 = Photo::fastMake($this->user->id, "Profile backdrop (system)", $_FILES["backdrop1"]);
            }

            if ($_FILES["backdrop2"]["error"] !== UPLOAD_ERR_NO_FILE) {
                $pic2 = Photo::fastMake($this->user->id, "Profile backdrop (system)", $_FILES["backdrop2"]);
            }
        } catch (InvalidStateException $e) {
            $this->flashFail("err", tr("backdrop_error_title"), tr("backdrop_error_no_media"));
        }

        if ($pic1 == $pic2 && is_null($pic1)) {
            $this->flashFail("err", tr("backdrop_error_title"), tr("backdrop_error_no_media"));
        }

        $club->setBackDropPictures($pic1, $pic2);
        $club->save();
        $this->flashFail("succ", tr("backdrop_succ"), tr("backdrop_succ_desc"));
    }

    public function renderStatistics(int $id): void
    {
        $this->assertUserLoggedIn();

        if (!eventdb()) {
            $this->flashFail("err", tr("connection_error"), tr("connection_error_desc"));
        }

        $club = $this->clubs->get($id);
        if (!$club->canBeModifiedBy($this->user->identity)) {
            $this->notFound();
        } elseif ($club->isBanned()) {
            $this->flashFail("err", tr("error"), tr("forbidden"));
        } else {
            $this->template->club = $club;
        }

        $this->template->reach = $club->getPostViewStats(true);
        $this->template->views = $club->getPostViewStats(false);
    }

    public function renderAdmin(int $clb, int $id): void
    {
        $this->assertUserLoggedIn();

        $manager = (new Managers())->get($id);
        if ($manager->getClub()->canBeModifiedBy($this->user->identity)) {
            $this->template->manager = $manager;
            $this->template->club = $manager->getClub();
        } else {
            $this->notFound();
        }
    }

    public function renderChangeOwner(int $id, int $newOwnerId): void
    {
        $this->assertUserLoggedIn();
        $this->willExecuteWriteAction();

        if ($_SERVER['REQUEST_METHOD'] !== "POST") {
            $this->redirect("/groups" . $this->user->id);
        }

        if (!Authenticator::verifyHash($this->postParam("password"), $this->user->identity->getChandlerUser()->getRaw()->passwordHash)) {
            $this->flashFail("err", tr("error"), tr("incorrect_password"));
        }

        $club = $this->clubs->get($id);
        if ($club->isBanned()) {
            $this->flashFail("err", tr("error"), tr("forbidden"));
        }
        $newOwner = (new Users())->get($newOwnerId);
        if ($this->user->id !== $club->getOwner()->getId()) {
            $this->flashFail("err", tr("error"), tr("forbidden"));
        }

        $club->setOwner($newOwnerId);

        $club->addManager($this->user->identity);
        $oldOwnerManager = $club->getManager($this->user->identity);
        $oldOwnerManager->setHidden($club->isOwnerHidden());
        $oldOwnerManager->setComment($club->getOwnerComment());
        $oldOwnerManager->save();

        $newOwnerManager = $club->getManager($newOwner);
        $club->setOwner_Hidden($newOwnerManager->isHidden());
        $club->setOwner_Comment($newOwnerManager->getComment());
        $club->removeManager($newOwner);

        $club->save();

        $this->flashFail("succ", tr("information_-1"), tr("group_owner_setted", $newOwner->getCanonicalName(), $club->getName()));
    }

    public function renderSuggested(int $id): void
    {
        $this->assertUserLoggedIn();

        $club = $this->clubs->get($id);
        if (!$club) {
            $this->notFound();
        } else {
            $this->template->club = $club;
        }

        if ($club->getWallType() == 0) {
            $this->flash("err", tr("error_suggestions"), tr("error_suggestions_closed"));
            $this->redirect("/club" . $club->getId());
        }

        if ($club->getWallType() == 1) {
            $this->flash("err", tr("error_suggestions"), tr("error_suggestions_open"));
            $this->redirect("/club" . $club->getId());
        }

        if (!$club->canBeModifiedBy($this->user->identity)) {
            $this->template->posts = iterator_to_array((new Posts())->getSuggestedPostsByUser($club->getId(), $this->user->id, (int) ($this->queryParam("p") ?? 1)));
            $this->template->count = (new Posts())->getSuggestedPostsCountByUser($club->getId(), $this->user->id);
            $this->template->type  = "my";
        } else {
            $this->template->posts = iterator_to_array((new Posts())->getSuggestedPosts($club->getId(), (int) ($this->queryParam("p") ?? 1)));
            $this->template->count = (new Posts())->getSuggestedPostsCount($club->getId());
            $this->template->type  = "everyone";
        }

        $this->template->page  = (int) ($this->queryParam("p") ?? 1);
    }
}