<?php

$main_class = 'Users';

use KupShop\KupShopBundle\Context\ContextManager;
use KupShop\KupShopBundle\Context\DomainContext;
use KupShop\KupShopBundle\Context\LanguageContext;
use KupShop\KupShopBundle\Email\PasswordResetAdminEmail;
use KupShop\KupShopBundle\Util\Compat\ServiceContainer;
use KupShop\KupShopBundle\Util\Contexts;
use KupShop\UserBundle\Exception\PhoneValidationException;
use Query\Operator;

class Users extends Window
{
    protected $nameField = 'email';

    protected $required = [
        'email' => true,
    ];

    public function get_vars()
    {
        $ID = $this->getID();
        $acn = $this->getAction();
        $vars = parent::get_vars();
        $pageVars = getVal('body', $vars);
        $pageVars['delivery_type'] = DeliveryType::getAll(true);

        $pageVars['data']['data'] = $pageVars['data']['custom_data'] ?? null;

        $this->unserializeCustomData($pageVars['data']);

        if (findModule(Modules::PRICELISTS)) {
            $qbPriceLists = sqlQueryBuilder()
                ->select('id, name')
                ->from('pricelists');

            foreach ($qbPriceLists->execute() as $item) {
                $pageVars['priceLists'][$item['id']] = $item;
            }
        }

        if (!empty($pageVars['data']['date_reg'])) {
            $datediff = time() - strtotime(substr($pageVars['data']['date_reg'], 0, 10));
            $pageVars['data']['date_reg_days'] = floor($datediff / (60 * 60 * 24));
        } else {
            $pageVars['data']['date_reg_days'] = '0';
        }

        if (findModule(Modules::PRODUCTS_FAVORITES)) {
            $pageVars['favorites'] = returnSQLResult('SELECT COUNT(*)
					FROM products_favorites
					WHERE id_user='.intval($ID));
        } elseif (findModule(Modules::SHOPPING_LIST)) {
            $id_list = sqlQueryBuilder()->select('id')
                ->from('shopping_list')
                ->andWhere(Operator::equals(['id_user' => $ID, 'label' => 'favorites']))
                ->execute()->fetchOne();
            if ($id_list) {
                $pageVars['favorites'] = sqlQueryBuilder()->select('COUNT(id)')
                    ->from('shopping_list_products')
                    ->andWhere(Operator::equals(['id_shopping_list' => $id_list]))
                    ->execute()->fetchOne();
            }
        }

        $SQL = sqlQuery('SELECT COUNT(*) AS pocet, SUM(total_price*currency_rate) AS cena_celkem
					FROM '.getTableName('orders').'
					WHERE id_user='.intval($ID).' AND status_storno=0 ');

        foreach ($SQL as $row) {
            $pageVars['orders']['pocet'] = $row['pocet'];
            if ($row['cena_celkem'] > 0) {
                $pageVars['orders']['average_price'] = $row['cena_celkem'] / $row['pocet'];
            }
        }

        $pageVars['cena_celkem'] = returnSQLResult('SELECT SUM(total_price*currency_rate) AS cena_celkem
					FROM '.getTableName('orders').'
					WHERE id_user='.intval($ID)." AND status_storno=0
						AND YEAR(date_created) = '".date('Y')."'");

        $pageVars['lastYearOrdersPrice'] = sqlQueryBuilder()->select('SUM(total_price*currency_rate)')
            ->from('orders')
            ->where('id_user=:id_user AND date_created > DATE_SUB( NOW(), INTERVAL 1 YEAR) AND status_storno=0')
            ->setParameter('id_user', $ID)
            ->execute()->fetchColumn();

        $pageVars['sales'] = $this->getSalesStats();

        if (findModule(\Modules::WATCHDOG)) {
            $pageVars['countWatchdogProducts'] = sqlQueryBuilder()->select('COUNT(id_user)')
                ->from('products_watchdog')
                ->where('id_user=:id_user')
                ->setParameter('id_user', $ID)
                ->execute()->fetchColumn();
        }
        $pageVars['allOrdersPrice'] = sqlQueryBuilder()->select('SUM(total_price*currency_rate)')
            ->from('orders')
            ->where('id_user=:id_user')
            ->andWhere('status_storno!=1')
            ->setParameter('id_user', $ID)
            ->execute()->fetchColumn();

        $languageContext = Contexts::get(LanguageContext::class);
        $pageVars['languages'] = $languageContext->getAll();

        if (findModule(Modules::PRICE_LEVELS)) {
            $user_price_level = sqlQueryBuilder()->select('id_price_level')
                ->from('users_dealer_price_level')
                ->andWhere(Operator::equals(['id_user' => $ID]))
                ->execute()->fetchOne();
            $pageVars['data']['dealer_price_level'] = $user_price_level ?: 0;
        }

        if ($acn == 'add') {
            $pageVars['data']['date_reg'] = date('Y-m-d');
            $pageVars['data']['figure'] = 'Y';
            $pageVars['data']['get_news'] = 'N';
            $pageVars['data']['dealer_price_level'] = 0;
        }

        if ($acn == 'edit') {
            // Users
            $SQL = sqlQuery('SELECT id_group
                     FROM '.getTableName('users_groups_relations')."
                     WHERE id_user='".$ID."'");

            $user_groups = [];
            while ($row = sqlFetchArray($SQL)) {
                $user_groups[$row['id_group']] = [
                    'checked' => 1,
                ];
            }

            $SQL = sqlQuery('SELECT id, name
                           FROM '.getTableName('users_groups'));
            foreach ($SQL as $row) {
                $user_groups[$row['id']] = array_merge(getVal($row['id'], $user_groups, []), $row);
            }

            $pageVars['user_groups'] = $user_groups;
        }
        $vars['body'] = $pageVars;

        return $vars;
    }

    public function getData()
    {
        $data = parent::getData();

        if (getVal('Submit')) {
            if (($data['id_language'] ?? false) === 'null') {
                $data['id_language'] = null;
            }

            if (empty($data['dealer_price_level'])) {
                $data['dealer_price_level'] = 0;
            }

            if (findModule(\Modules::XML_FEEDS_B2B, \Modules::SUB_SECURE)) {
                if (!empty($data['feed_activated']) && $data['feed_activated'] == 'Y') {
                    if (empty($data['feed_token'])) {
                        $data['feed_token'] = $this->generateToken(15);
                    }

                    if ($data['feed_in_store'] == 'Y') {
                        $data['feed_in_store'] = '1';
                    } else {
                        $data['feed_in_store'] = '0';
                    }
                } else {
                    $data['feed_token'] = '';
                    $data['feed_in_store'] = $data['feed_in_store'] == 'Y' ? '1' : '0';
                }
            }

            if (empty($data['gender'])) {
                $data['gender'] = null;
            }

            if (empty($data['id_pricelist'])) {
                $data['id_pricelist'] = null;
            }

            $data['date_updated'] = (new DateTime())->format('Y-m-d H:i:s');

            if ($data['feed_activated'] && findModule(\Modules::XML_FEEDS_B2B, \Modules::SUB_FEED_IDS)
                && !isset($data['custom_data']['b2b_feeds'])
            ) {
                $data['custom_data']['b2b_feeds'] = [];
            }
            $data['data'] = $this->getObject()['custom_data'] ?? null;
            $this->unserializeCustomData($data);
            $data['data'] = array_merge($data['data'], $data['custom_data'] ?? []);

            $this->serializeCustomData($data);

            $data['custom_data'] = $data['data'];

            if ($data['figure'] == 'Y' && empty($data['date_reg'])) {
                $data['date_reg'] = (new DateTime())->format('Y-m-d H:i:s');
            }

            if ($data['birthdate'] ?? false) {
                $data['birthdate'] = $this->prepareDate($data['birthdate']);
            }

            if (($data['phone'] ?? false) && findModule(\Modules::USERS, \Modules::SUB_USERS_PHONE_LOGIN)) {
                $data['phone'] = $this->validatePhoneNumber($data);
            }
        }

        return $data;
    }

    public function getSQLFields($data = null, $fields = null, $defaults = null, $types = null)
    {
        $sqlField = parent::getSQLFields($data, $fields, $defaults, $types);
        if (isset($sqlField['get_news'])) {
            unset($sqlField['get_news']);
            // get_news and dates (subscribe/unsubscribe) are updated with UserConsent service
        }

        return $sqlField;
    }

    public function handleUpdate()
    {
        $SQL = parent::handleUpdate();
        if ($SQL) {
            $data = $this->getData();
            $ID = $this->getID();

            if (!empty($data['email'])) {
                sqlQuery('DELETE FROM '.getTableName('users').' WHERE email = :email AND figure=\'N\' AND id != :id', ['email' => $data['email'], 'id' => $this->getID()]);
            }

            if (!empty($data['password']) && !empty($data['figure']) && $data['figure'] == 'Y') {
                if (empty($ID)) {
                    $ID = sqlInsertID();
                }

                $user = User::createFromId($ID);
                $user->updatePassword($data['password']);
            }

            // dealerske slevy
            if (findModule(Modules::PRICE_LEVELS)) {
                sqlQueryBuilder()->delete('users_dealer_price_level')
                    ->andWhere(Operator::equals(['id_user' => $ID]))->execute();

                if ($data['dealer_price_level'] > 0) {
                    sqlQueryBuilder()->insert('users_dealer_price_level')
                        ->directValues(['id_user' => $ID, 'id_price_level' => $data['dealer_price_level']])
                        ->execute();
                }
            }

            // ############################################
            // # ZARAZENI UZIVATELE DO SKUPINY
            $groups = getVal('groups', $data, []);
            sqlQuery('DELETE FROM '.getTableName('users_groups_relations')."
                      WHERE id_user='".$ID."' ");

            foreach ($groups as $id_group => $group) {
                if (!empty($group['use'])) {
                    sqlQuery('INSERT INTO '.getTableName('users_groups_relations')."
                           SET id_group='{$id_group}', id_user='{$ID}'");
                }
            }

            $newsletter = getVal('get_news', $data, 'N');
            $new_user = ($this->getAction() == 'add');
            $userConsent = ServiceContainer::getService(\KupShop\UserBundle\Util\UserConsent::class);
            $userConsent->updateNewsletter($ID, $newsletter, $new_user, true);
        }

        return $SQL;
    }

    public function generateToken($size = 20)
    {
        $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
        $count = mb_strlen($chars);

        for ($i = 0, $password = ''; $i < $size; $i++) {
            $index = rand(0, $count - 1);
            $password .= mb_substr($chars, $index, 1);
        }

        return $password;
    }

    public function handleRegenerateToken()
    {
        $this->updateSQL('users', ['feed_token' => $this->generateToken(15)], ['id' => $this->getID()]);

        $this->returnOK('Přegenerováno');
    }

    public function handleDelete()
    {
        if (findModule(Modules::MAILERLITE)) {
            $mailerlite = ServiceContainer::getService(\KupShop\MailerLiteBundle\MailerLite::class);
            if (!$mailerlite->error) {
                $user = User::createFromId($this->getID());
                if ($user) {
                    $mailerlite_update = $mailerlite->updateUser($user, 'N');
                }
            }
        }
        $SQL = parent::handleDelete();
    }

    public function handleEmailChangePass()
    {
        if (!$this->forceUpdate()) {
            return false;
        }

        $data = $this->getData();

        $res = false;

        if (!empty($data['email'])) {
            $user = User::createFromId($this->getID());
            if ($user) {
                $contextManager = ServiceContainer::getService(ContextManager::class);
                $emailService = ServiceContainer::getService(PasswordResetAdminEmail::class);

                $message = null;
                $contextManager->activateContexts(
                    [
                        LanguageContext::class => $user->id_language ?? null,
                        DomainContext::class => $contextManager->getDomainFromLanguage($user->id_language ?? null),
                    ],
                    function () use (&$message, $emailService, $user) {
                        $emailService->setUser($user);
                        $message = $emailService->getEmail();
                    }
                );
                $message['to'] = $user['email'];

                $res = $emailService->sendEmail($message);
            }
        }

        if ($res) {
            $this->returnOK("Odesláno na email {$data['email']}");
        } else {
            $this->returnError('Nepodařilo se odeslat');
        }
    }

    protected function getSalesStats(): array
    {
        if (!findModule(Modules::SALES)) {
            return [];
        }

        $baseQb = sqlQueryBuilder()
            ->from('sales')
            ->where(Operator::equals(['id_user' => $this->getID()]));

        $data = (clone $baseQb)->select('COUNT(*) AS count, SUM(total_price) AS total_price')
            ->execute()->fetchAssociative();

        $data['last_year_total_price'] = (clone $baseQb)->select('SUM(total_price) AS total_price')
            ->andWhere('date_created > DATE_SUB(NOW(), INTERVAL 1 YEAR)')
            ->execute()->fetchOne();

        $data['current_year_total_price'] = (clone $baseQb)->select('SUM(total_price) AS total_price')
            ->andWhere('YEAR(date_created) = :year')
            ->setParameter('year', date('Y'))
            ->execute()->fetchOne();

        return $data;
    }

    public function validatePhoneNumber(array $input): string
    {
        $validator = ServiceContainer::getService(\KupShop\UserBundle\Util\PhoneNumberValidator::class);
        try {
            $validated = $validator->validate($input['phone'], $input['country']);
        } catch (PhoneValidationException $e) {
            $this->returnError('Selhala validace telefoního čísla');
        }

        return $validated->dbNumber ?? '';
    }
}