<?php

namespace Battles;

use Battles\Database\Db;

class Item
{
    protected int $id;
    protected string $name = '';
    protected int $type = self::TYPE_TRASH;
    protected int $durability = 0;
    protected int $needStrength = 0;
    protected int $needDexterity = 0;
    protected int $needIntuition = 0;
    protected int $needEndurance = 0;
    protected int $needIntelligence = 0;
    protected int $needWisdom = 0;
    protected int $addStrength = 0;
    protected int $addDexterity = 0;
    protected int $addIntuition = 0;
    protected int $addEndurance = 0;
    protected int $addIntelligence = 0;
    protected int $addWisdom = 0;
    protected int $addAccuracy = 0;
    protected int $addEvasion = 0;
    protected int $addCriticals = 0;
    protected int $addMinPhysicalDamage = 0;
    protected int $addMaxPhysicalDamage = 0;
    protected int $weight = 0;
    protected string $image = '';
    protected int $cost = 0;
    public const TYPES_ALLOWED_IN_SLOTS = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12];
    public const TYPE_HELMET = 1;
    public const TYPE_ARMOR = 2;
    public const TYPE_LEGS = 3;
    public const TYPE_BOOTS = 4;
    public const TYPE_GLOVES = 5;
    public const TYPE_WEAPON = 6;
    public const TYPE_SHIELD = 7;
    public const TYPE_BELT = 8;
    public const TYPE_RING = 9;
    public const TYPE_AMULET = 10;
    public const TYPE_CONSUMABLE = 20;
    public const TYPE_OTHER = 50;
    public const TYPE_TRASH = 100;
    private string $typename;

    /**
     * Item constructor.
     *
     * @param $row
     */
    public function __construct($row)
    {
        if (is_array($row)) {
            foreach ($this as $key => $value) {
                if (isset($row[$key])) {
                    $this->$key = $row[$key];
                }
            }
        } elseif (is_object($row)) {
            foreach ($this as $name => $value) {
                if (isset($row->$name)) {
                    $this->$name = $row->$name;
                }
            }
        }

        switch ($this->type) {
            case self::TYPE_HELMET:
                $this->typename = 'Шлем';
                break;
            case self::TYPE_ARMOR:
                $this->typename = 'Броня';
                break;
            case self::TYPE_LEGS:
                $this->typename = 'Поножи';
                break;
            case self::TYPE_BOOTS:
                $this->typename = 'Сапоги';
                break;
            case self::TYPE_GLOVES:
                $this->typename = 'Перчатки';
                break;
            case self::TYPE_WEAPON:
                $this->typename = 'Оружие';
                break;
            case self::TYPE_SHIELD:
                $this->typename = 'Щит';
                break;
            case self::TYPE_BELT:
                $this->typename = 'Пояс';
                break;
            case self::TYPE_RING:
                $this->typename = 'Кольцо';
                break;
            case self::TYPE_AMULET:
                $this->typename = 'Амулет';
                break;
            case self::TYPE_CONSUMABLE:
                $this->typename = 'Расходуемый предмет';
                break;
            default:
                $this->typename = 'Хлам';
        }

        $this->cost = $this->calculateItemCost();
    }

    /** Рассчёт стоимости предмета в зависимости от его характеристик.
     * @return int
     */
    protected function calculateItemCost(): int
    {
        $sumStats =
            $this->addStrength +
            $this->addDexterity +
            $this->addIntuition +
            $this->addEndurance +
            $this->addIntelligence +
            $this->addWisdom;
        $sumMods =
            $this->addAccuracy +
            $this->addEvasion +
            $this->addCriticals;
        $sumDamage =
            $this->addMinPhysicalDamage +
            $this->addMaxPhysicalDamage;
        // За каждые N параметров повышаем множитель на 1 чтобы цена пропрорционально росла.
        $statsCostModifier = 5 + floor($sumStats / 10);
        $modsCostModifier = 2 + floor($sumMods / 50);
        $damageCostModifier = 1 + floor($sumDamage / 100);
        $result = intval($sumStats * $statsCostModifier + $sumMods * $modsCostModifier + $sumDamage * $damageCostModifier);
        return max($result, 1);
    }

    protected function wrap(int $number): string
    {
        if ($number > 0) {
            return ": <b>" . $number . "</b>";
        } else {
            return ": <b style='color: maroon;'>" . $number . "</b>";
        }
    }

    public function getAllInfo(): string
    {
        $needsLines = [
            'сила' => $this->needStrength,
            'ловкость' => $this->needDexterity,
            'интуиция' => $this->needIntuition,
            'выносливость' => $this->needEndurance,
            'интеллект' => $this->needIntelligence,
            'мудрость' => $this->needWisdom,
        ];
        $addsLines = [
            'Сила' => $this->addStrength,
            'Ловкость' => $this->addDexterity,
            'Интуиция' => $this->addIntuition,
            'Выносливость' => $this->addEndurance,
            'Интеллект' => $this->addIntelligence,
            'Мудрость' => $this->addWisdom,
            'Точность' => $this->addAccuracy,
            'Увёртливость' => $this->addEvasion,
            'Шанс крита' => $this->addCriticals,
        ];
        $str = "<b>$this->name</b> (Масса: $this->weight)";
        $str .= '<br> Стоимость: ' . $this->cost;
        $str .= '<br> Долговечность: ' . $this->durability;
        $str .= "<br><em>$this->typename</em><br>";
        foreach ($needsLines as $stat => $value) {
            if ($value > 0) {
                $str .= "<br>Требуется $stat" . $this->wrap($value);
            }
        }
        foreach ($addsLines as $stat => $value) {
            if ($value) {
                $str .= "<br>$stat" . $this->wrap($value);
            }
        }
        if ($this->addMinPhysicalDamage && !$this->addMaxPhysicalDamage) {
            $damage = $this->addMinPhysicalDamage . ' - ' . $this->addMinPhysicalDamage;
        } elseif (!$this->addMinPhysicalDamage && $this->addMaxPhysicalDamage) {
            $damage = $this->addMaxPhysicalDamage . ' - ' . $this->addMaxPhysicalDamage;
        } elseif ($this->addMinPhysicalDamage && $this->addMaxPhysicalDamage) {
            $damage = $this->addMinPhysicalDamage . ' - ' . $this->addMaxPhysicalDamage;
        }
        if (isset($damage)) {
            $str .= '<br>Урон: ' . $damage;
        }
        return $str;
    }

    public static function getItemById($itemId): Item
    {
        return new Item(Db::getInstance()->ofetch('select * from items where id = ?', $itemId));
    }
}