<?php
# Date: 19.02.2022 (2:33)
namespace Battles;

use Battles\Database\Db;

class Hostel
{
    private array $status = [];
    private int $uid;
    private int $hid;
    private int $type;
    private int $time;

    public const PRICEPERTYPE = [
        1 => [8, 16, 24, 32],
        2 => [15, 30, 45, 60],
        3 => [25, 50, 75, 100],
        4 => [40, 80, 120, 160]
    ];
    public const BASENAME = [
        1 => 'Сумка',
        2 => 'Сундук',
        3 => 'Комната',
        4 => 'Амбар',
    ];

    public function __construct()
    {
        $this->uid = User::getInstance()->getId();
        $data = Db::getInstance()->ofetch('select id, type, time from hostel where uid = ?', $this->uid);
        $this->hid = $data->id ?? null;
        $this->type = $data->type ?? null;
        $this->time = $data->time ?? null;
    }

    private function add7DayRent($type)
    {
        Db::getInstance()->execute('insert into hostel (uid, type, time) values (?,?,?)', [$this->uid, $type, time() + 60 * 60 * 24 * 7]);
    }

    private function addRentTime($hostel_id, $time)
    {
        Db::getInstance()->execute('update hostel set time = ? where id = ? and uid = ?', [$time, $hostel_id, $this->uid]);
    }

    private function removeItems()
    {
        Db::getInstance()->execute('update inventory set in_hostel = 0 where owner_id = ? and in_hostel = 1', $this->uid);
    }

    private function removeRent()
    {
        Db::getInstance()->execute('delete from hostel where id = ? and uid = ?', [$this->hid, $this->uid]);
    }

    private function pay($amount): bool
    {
        if (!User::getInstance()->money()->spend($amount)) {
            $this->setError('Недостаточно денег!');
            return false;
        }
        return true;
    }

    private function hasNoRents(): bool
    {
        if ($this->hid) {
            $this->setError('Не более 1 арендованного места!');
            return false;
        }
        return true;
    }

    private function typeIsAllowed($type): bool
    {
        if (!in_array($type, [1, 2, 3, 4])) {
            $this->setError('Неверный тип аренды!');
            return false;
        }
        return true;
    }

    public function setError(string $message)
    {
        $this->status = ['type' => 'error', 'message' => $message];
    }

    private function setSuccess(string $message)
    {
        $this->status = ['type' => 'success', 'message' => $message];
    }

    public function newRent($type): bool
    {
        if (
            !$this->typeIsAllowed($type) ||
            !$this->hasNoRents() ||
            !$this->pay(self::PRICEPERTYPE[$type][0])
        ) {
            return false;
        }
        $this->add7DayRent($type);
        $this->setSuccess('Поздравляем с успешной арендой!');
        return true;
    }

    public function remove(): bool
    {
        if ($this->time < time()) {
            $this->setError('Нельзя отказаться от услуг если имеется задолежнность!');
            return false;
        }
        $this->removeRent();
        $this->removeItems();
        $this->setSuccess('Вы успешно отказались от аренды!');
        return true;
    }

    public function changeType(int $type)
    {
        $this->remove();
        $this->newRent($type);
    }

    public function changeTime(int $ordered_time): bool
    {
        $daysByOrder = [
            1 => 7,
            2 => 14,
            3 => 21,
            4 => 28,
        ];
        if (
            !$this->typeIsAllowed($ordered_time) ||
            !$this->pay(self::PRICEPERTYPE[$this->type][$ordered_time - 1])
        ) {
            return false;
        }
        $this->time += 60 * 60 * 24 * $daysByOrder[$ordered_time];
        $this->addRentTime($this->hid, $this->time);
        $this->setSuccess('Всё прошло успешно!');
        return true;
    }

    /**
     * @return int|null
     */
    public function getHid(): ?int
    {
        return $this->hid;
    }

    /**
     * @return int|null
     */
    public function getType(): ?int
    {
        return $this->type;
    }

    /**
     * @return int|null
     */
    public function getTime(): ?int
    {
        return $this->time;
    }

    /**
     * @return array
     */
    public function getStatus(): array
    {
        return $this->status;
    }
}