<?php

namespace App\Module\AppGame\Proto;

use Uraus\Kku\Common\LandDisaster;

/**
 * 灾害转换辅助类
 * 
 * 负责将Farm模块的灾害数组转换为Protobuf的LandDisaster对象数组
 */
class DisasterConverter
{
    /**
     * 将灾害数组转换为LandDisaster对象数组
     *
     * @param array $disasters 灾害数组
     * @return LandDisaster[] LandDisaster对象数组
     */
    public static function convertToLandDisasters(array $disasters): array
    {
        $landDisasters = [];
        
        foreach ($disasters as $disaster) {
            if (!isset($disaster['type'])) {
                continue;
            }
            
            $landDisaster = new LandDisaster();
            $landDisaster->setType($disaster['type']);
            
            // 设置灾害是否活跃，默认为活跃状态
            $isActive = ($disaster['status'] ?? 'active') === 'active';
            $landDisaster->setActive($isActive);
            
            $landDisasters[] = $landDisaster;
        }
        
        return $landDisasters;
    }

    /**
     * 设置DataLand的向后兼容灾害标志
     * 
     * 为了保持向后兼容性，根据灾害类型设置对应的布尔值标志
     *
     * @param \Uraus\Kku\Common\DataLand $dataLand DataLand对象
     * @param array $disasters 灾害数组
     * @return void
     */
    public static function setCompatibilityFlags(\Uraus\Kku\Common\DataLand $dataLand, array $disasters): void
    {
        foreach ($disasters as $disaster) {
            if (isset($disaster['type']) && ($disaster['status'] ?? 'active') === 'active') {
                switch ($disaster['type']) {
                    case 3: // 杂草 (WEED)
                        $dataLand->setNeedWeed(true);
                        break;
                    case 2: // 虫害 (PEST)
                        $dataLand->setNeedPestControl(true);
                        break;
                    case 1: // 干旱 (DROUGHT)
                        $dataLand->setNeedWatering(true);
                        break;
                }
            }
        }
    }

    /**
     * 处理DataLand的灾害信息
     * 
     * 统一处理灾害信息的设置，包括新的disasters属性和向后兼容的布尔值标志
     *
     * @param \Uraus\Kku\Common\DataLand $dataLand DataLand对象
     * @param array $disasters 灾害数组
     * @return void
     */
    public static function processDisasters(\Uraus\Kku\Common\DataLand $dataLand, array $disasters): void
    {
        if (!empty($disasters)) {
            // 设置新的disasters属性
            $landDisasters = self::convertToLandDisasters($disasters);
            $dataLand->setDisasters($landDisasters);
            
            // 设置向后兼容的布尔值标志
            self::setCompatibilityFlags($dataLand, $disasters);
        } else {
            // 没有灾害时设置空数组
            $dataLand->setDisasters([]);
        }
    }
}