<?php
# Date: 26.10.2020 (16:08)

class Travel
{
    public static function toRoom(int $roomId, string $redirectToFile = 'city.php'): void
    {
        $itemsWeight = db::c()->query('SELECT SUM(weight) AS all_weight FROM `inventory` WHERE owner_id = ?i AND `setsale` = 0', $_SESSION['uid'])->fetch_assoc();
        $eff = db::c()->query('SELECT type FROM users_effects WHERE owner_id = ?i AND (`type` = 10 OR `type` = 13 OR `type` = 14)', $_SESSION['uid'])->fetch_assoc();
        $errors = [];
        if ($itemsWeight['all_weight'] > get_meshok()) {
            $errors[0] = 'У вас переполнен рюкзак, вы не можете передвигаться...';
        }
        if ($eff['type'] == 10) {
            $errors[1] = 'Вы парализованы и не можете передвигаться...';
        }
        if ($eff['type'] == 13 || $eff['type'] == 14) {
            $errors[2] = 'У вас тяжелая травма, вы не можете передвигаться...';
        }
        if ($errors) {
            foreach ($errors as $error) {
                echo sprintf('<span class="error">%s</span>', $error);
            }
        } elseif (in_array($roomId, self::allowedRoomMoves($roomId))) {
            db::c()->query('UPDATE users, online SET users.room = ?i, online.room = ?i WHERE `online`.`user_id` = `users`.`id` AND `online`.`id` = ?i', $roomId, $roomId, $_SESSION['uid']);
            header('location: ' . $redirectToFile);
            exit;
        }
    }

    /**
     * Проверка можно ли перейти из комнаты в комнату.
     * @param int $roomId ID комнаты
     * @return array|int[]
     */
    private static function allowedRoomMoves(int $roomId): array
    {
        /*
         * 1 location: main.php?goto=arena
         * 2 Room 22 shop.php
         * 3 Room 25 comission.php
         * 4 Room 23 repair.php
         * 6 Room 27 posr.php
         * 7 Room 21 [STREET]
         * 8 Room 26 [STREET]
         * 13 location: quest_room.php
         * 17 Room 50 ashop.php
         * 222 Room 2702 [STREET]
         */
        $room[20] = [1, 2, 3, 4, 6, 7, 8, 9, 13, 14, 17, 222]; // level+n
        /*
         * 3 Room 2111 [STREET]
         * 4 Room 20 [STREET]
         * 5 Room 29 Bank.php
         * 13 Room 34 fshop.php
         * 14 Room 30 clan_create.php
         * 16 Room 31 tower.php
         * 650 Room 650 ul_clans.php
         */
        $room[21] = [3, 4, 5, 13, 14, 16, 16555];

        $room[26] = [3, 4, 6, 660];
        $room[2601] = [1, 4, 10, 55, 1051, 1052];
        $room[2655] = [10, 2055];

        /*
         * 1 Room 21 [STREET]
         * 2 location: city.php?haos - где эта херня вообще?
         * 14 NULL
         * 21 NULL
         * 203 Room 1055 group_arena.php
         * [!not on map]666 Room 666 jail.php
         * 1000
         */
        $room[2111] = [1, 2, 14, 21, 203, 1000];
        $room[2701] = [1, 2];
        $room[2702] = [6, 10, 16, 21, 16555];
        if (empty($room[$roomId])) {
            return [];
        }
        return $room[$roomId];
    }
}