kknongchang_2506/app/Module/Pet/Validators/PetSkillUseValidator.php

<?php

namespace App\Module\Pet\Validators;

use App\Module\Pet\Enums\PetStatus;
use App\Module\Pet\Models\PetSkill;
use App\Module\Pet\Models\PetUser;
use UCore\Validator;
use UCore\Validator\ValidationMessage;

/**
 * 宠物技能使用验证器
 * 
 * 用于验证宠物技能使用条件的合法性
 */
class PetSkillUseValidator extends Validator
{
    use ValidationMessage;
    
    /**
     * 验证方法
     * 
     * @param mixed $value 宠物ID
     * @param array $data 所有数据
     * @return bool 验证是否通过
     */
    public function validate(mixed $value, array $data): bool
    {
        $petId = $value;
        $skillId = $data['skillId'] ?? 0;
        
        try {
            // 获取宠物信息
            $pet = PetUser::find($petId);
            
            if (!$pet) {
                $this->throwMessage([], '宠物不存在');
                return false;
            }
            
            // 获取技能信息
            $skill = PetSkill::find($skillId);
            if (!$skill) {
                $this->throwMessage(['skillId' => $skillId], '技能({skillId})不存在');
                return false;
            }
            
            // 检查宠物状态
            if ($pet->status !== PetStatus::NORMAL) {
                $this->throwMessage(['status' => $pet->status->value], '宠物当前状态({status})不允许使用技能');
                return false;
            }
            
            // 检查宠物等级是否满足技能要求
            if ($pet->level < $skill->min_level) {
                $this->throwMessage([
                    'level' => $pet->level,
                    'required' => $skill->min_level
                ], '宠物等级({level})不足，需要等级({required})才能使用该技能');
                return false;
            }
            
            // 检查宠物体力是否足够
            if ($pet->stamina < $skill->stamina_cost) {
                $this->throwMessage([
                    'stamina' => $pet->stamina,
                    'required' => $skill->stamina_cost
                ], '宠物体力({stamina})不足，需要体力({required})才能使用该技能');
                return false;
            }
            
            // 检查技能冷却时间
            $lastUsed = $pet->skillLogs()
                ->where('skill_id', $skillId)
                ->orderBy('used_at', 'desc')
                ->first();
            
            if ($lastUsed) {
                $cooldownSeconds = $skill->cool_down;
                $secondsSinceLastUse = now()->diffInSeconds($lastUsed->used_at);
                
                if ($secondsSinceLastUse < $cooldownSeconds) {
                    $remainingCooldown = $cooldownSeconds - $secondsSinceLastUse;
                    $this->throwMessage(['remaining' => $remainingCooldown], '技能冷却中，还需等待{remaining}秒');
                    return false;
                }
            }
            
            return true;
        } catch (\Exception $e) {
            $this->throwMessage(['error' => $e->getMessage()], '验证过程发生错误: {error}');
            return false;
        }
    }
}