<?php

namespace App\Module\Farm\Casts;

use App\Module\Farm\Enums\DISASTER_TYPE;
use UCore\Model\CastsAttributes;

/**
 * 灾害抵抗属性类型转换器
 *
 * 用于将数据库中存储的JSON格式的灾害抵抗属性转换为PHP对象，以及将PHP对象转换回JSON格式。
 * 灾害抵抗属性包含对不同类型灾害的抵抗率，如干旱、虫害、杂草等。
 */
class DisasterResistanceCast extends CastsAttributes
{
    /**
     * 干旱抵抗率(百分比格式，1=1%，100=100%)
     *
     * @var float $drought
     */
    public float $drought = 0.0;

    /**
     * 虫害抵抗率(百分比格式，1=1%，100=100%)
     *
     * @var float $pest
     */
    public float $pest = 0.0;

    /**
     * 杂草抵抗率(百分比格式，1=1%，100=100%)
     *
     * @var float $weed
     */
    public float $weed = 0.0;

    /**
     * 获取指定灾害类型的抵抗率
     *
     * @param DISASTER_TYPE|int $type 灾害类型
     * @return float 抵抗率(百分比格式，1=1%，需要除以100转换为小数)
     */
    public function getResistance($type): float
    {
        if ($type instanceof DISASTER_TYPE) {
            $type = $type->value;
        }

        return match ($type) {
            DISASTER_TYPE::DROUGHT->value => $this->drought,
            DISASTER_TYPE::PEST->value => $this->pest,
            DISASTER_TYPE::WEED->value => $this->weed,
            default => 0.0,
        };
    }

    /**
     * 设置指定灾害类型的抵抗率
     *
     * @param DISASTER_TYPE|int $type 灾害类型
     * @param float $value 抵抗率
     * @return self
     */
    public function setResistance($type, float $value): self
    {
        if ($type instanceof DISASTER_TYPE) {
            $type = $type->value;
        }

        match ($type) {
            DISASTER_TYPE::DROUGHT->value => $this->drought = $value,
            DISASTER_TYPE::PEST->value => $this->pest = $value,
            DISASTER_TYPE::WEED->value => $this->weed = $value,
            default => null,
        };

        return $this;
    }
}