<?php


namespace Battles\Magic;

use Battles\Database\Db;
use Battles\DressedItems;
use Battles\Item;
use Battles\User;

class Sharpen extends Magic
{
    private int $magicDifficulty;

    /**
     * Sharpen constructor.
     *
     * @param int $sharpenStrength
     * @param int $magicDifficulty
     *
     */
    public function __construct(int $sharpenStrength, int $magicDifficulty)
    {
        $this->magicDifficulty = $magicDifficulty;
        if (!$this->isUsable()) {
            return $this->status;
        }
        $item = DressedItems::getDressedItemBySlot(Item::TYPE_WEAPON, $_SESSION['uid']);
        // Проверяем, что в названии предмета нет цифр и плюсов.
        if (preg_match('/\+\d/', $item->name)) {
            return 'Этот предмет точить нельзя!';
        }
        $newMinPhysicalDamage = $item->add_min_physical_damage + $sharpenStrength;
        $newMaxPhysicalDamage = $item->add_max_physical_damage + $sharpenStrength;
        $newItemName = $item->name . " [+$sharpenStrength]";

        Db::getInstance()->execute('UPDATE inventory SET name = ?, add_min_physical_damage = ?, add_max_physical_damage = ? WHERE item_id = ? ', [$newItemName, $newMinPhysicalDamage, $newMaxPhysicalDamage, $item->item_id]);
        return "У вас получилось изготовить предмет $newItemName!";
    }

    private function isUsable(): bool
    {
        return $this->isNotInBattle(User::getInstance()) && $this->isSuccess(User::getInstance(), $this->magicDifficulty);
    }
}