<?php

namespace User;

use Core\ConversionHelper;
use Core\Db;
use Delo;
use User;

class ItemsModel
{
    /** Проверяет предметы на отсутствие в инвентаре.
     * @param array $itemIds id предметов.
     * @return array id отсутствующих предметов.
     */
    public static function hasNoItemsInInventory(array $itemIds): array
    {
        /* Очень прóклятая конструкция для очень сломанной проверки.
        Скотина, если заработает с первого раза без проверки я буду горд собой. */

        $uid = User::start()->info['id'];
        $cols = count($itemIds);
        $check = Db::getValue(
            'select count(*) from items_users
                where item_id in (?) and uid = ? and (`delete` = 0 or `delete` = 1000)',
            [implode(',', $itemIds), $uid]
        );

        if ($cols === $check) {
            return [];
        }

        $arr = $itemIds;
        $query = 'select item_id from (select ' . $arr[0] . ' item_id';
        $arr[0] = '';
        $query .= implode(' union select ', $arr);
        $query .= ') params left join items_users using (item_id) where items_users.item_id is null ';
        $query .= 'and uid = ? and (`delete` = 0 or `delete` = 1000)';

        //select item_id from (select 1 item_id union select 2 union select 3) params left join items_users using (item_id) where items_users.item_id is null

        return Db::getColumn($query, [$uid]);
    }

    public static function getNamesByIds(array $ids, string $separator = ', '): string
    {
        $namesArray = Db::getColumn('select name from items_main where id in (?)', [$ids]);
        return implode($separator, $namesArray);
    }

    //Удаление определенного типа предметов

    /** Удаление предметов из инвентаря активного игрока.
     * @param int $id id предмета.
     * @param int $coldel количество предметов.
     * @return void
     */
    public static function deleteItemsById(int $id, int $coldel = 1)
    {
        Db::sql(
            'update items_users set `delete` = unix_timestamp() where id in (select id from items_users where item_id = ? and uid = ? and (`delete` = 0 or `delete` = 1000) order by inGroup desc limit ?)',
            [$id, User::start()->info['id'], $coldel]
        );
    }

    //вес предметов у юзера
    public static function inventoryWeightAndItemQuantity(): array
    {
        $uid = User::start()->info['id'];
        $stats = User::start()->stats;

        return [
            'now' => Db::getValue('select sum(massa) from items_users left join items_main on item_id = items_main.id where uid = ? and (`delete` = 0 or (`delete` = 1000 and inGroup > 0)) and inShop = 0 and inOdet = 0', [$uid]),
            'max' => 40 + ($stats['os7'] * 10) + $stats['s4'] + $stats['maxves'] + $stats['s1'] * 4,
            'items' => Db::getValue('select count(*) from items_users where uid = ? and `delete` = 0 and inShop = 0 and inOdet = 0', [$uid]),
        ];
    }

    public static function addItem($id, $uid, $md = null, $dn = null, $mxiznos = null, $nosudba = null, $plavka = null)
    {
        $user = User::start();
        $rt = -1;
        $i = Db::getRow('select * from items_main where id = ?', [$id]);
        if (isset($i['id'])) {
            $d = Db::getRow('select id, items_id, data from items_main_data where items_id = ?', [$i['id']]);
            //новая дата
            $data = $d['data'];
            if ($i['ts'] > 0 && $nosudba == null) {
                $ui = Db::getValue('select login from users where id = ?', [$uid]);
                $data .= '|sudba=' . $ui;
            }
            if ($md != null) {
                $data .= $md;
                $data = ConversionHelper::dataStringToArray($data); // Если в функции имеются две одинаковых константы SROK?
                $data = ConversionHelper::arrayToDataString($data);
            }

            //предмет с настройками из подземелья
            if ($dn != null && $dn['dn_delete'] > 0) {
                $i['dn_delete'] = 1;
            }
            if ($mxiznos > 0) {
                $i['iznosMAXi'] = $mxiznos;
            }

            $args = [
                $i['overTypei'] ?? 0,
                $i['id'],
                $uid,
                $data,
                $i['iznosMAXi'],
                $i['magic_inci'],
                $i['dn_delete'] ?? 0,
            ];
            Db::sql(
                'insert into items_users (overType, item_id, uid, data, iznosMAX, magic_inc, lastUPD, time_create, dn_delete) values (?,?,?,?,?,?,unix_timestamp(),unix_timestamp(),?)',
                $args
            );
            $rt = Db::lastInsertId() ?? 0;
            if ($rt !== 0) {
                Db::sql('update items_users set dn_delete = 1 where id = ? and data like ?', [$rt, '%dn_delete=%']);
                if ($uid == $user->info['id']) {
                    $user->stack($rt);
                }
                $ads = '';
                if ($plavka != null) {
                    $ads = 'Расплавлен предмет : [' . $plavka . ']';
                }
                //Записываем в личное дело что предмет получен
                Delo::add(1, 'additems', $uid, 'Получен предмет «' . $i['name'] . '» [id:' . $i['iid'] . ']' . $ads);
            }
        }
        return $rt;
    }

    /** Выбор предмета в инвентаре.
     * @param int $itemId
     * @param int $ownerId
     * @return array
     */
    public static function getOwnedItemById(int $itemId, int $ownerId): array
    {
        return Db::getRow('select * from items_users left join items_main on item_id = items_main.id where uid = ? and items_users.id = ? and `delete` = 0 and inOdet = 0 and inShop = 0', [$ownerId, $itemId]);
    }

    public static function delete(int $id)
    {
        Db::sql('update items_users set `delete` = unix_timestamp() where id = ?', [$id]);
    }

}