kknongchang_2506/app/Module/Pet/Logic/PetBattleLogic.php

<?php

namespace App\Module\Pet\Logic;

use App\Module\Pet\Enums\PetGrade;
use App\Module\Pet\Models\PetLevelConfig;
use App\Module\Pet\Models\PetUser;
use Exception;
use Illuminate\Support\Facades\Log;

/**
 * 宠物战斗逻辑类
 * 
 * 处理宠物战斗相关的业务逻辑，包括战力计算、战斗结果计算、
 * 奖励发放等功能。该类是宠物战斗模块内部使用的核心逻辑类，
 * 不对外提供服务，由PetBattleService调用。
 */
class PetBattleLogic
{
    /**
     * 获取战斗体力消耗
     * 
     * @param int $battleType 战斗类型
     * @return int 体力消耗
     */
    public function getBattleStaminaCost(int $battleType): int
    {
        // 根据战斗类型返回不同的体力消耗
        switch ($battleType) {
            case 1: // 偷菜战斗
                return config('pet.battle_stamina_cost.steal', 10);
                
            case 2: // 守护战斗
                return config('pet.battle_stamina_cost.defend', 15);
                
            case 3: // 争霸赛战斗
                return config('pet.battle_stamina_cost.royale', 20);
                
            default:
                return 10; // 默认消耗10点体力
        }
    }
    
    /**
     * 执行战斗
     * 
     * @param int $petId 宠物ID
     * @param int $battleType 战斗类型
     * @param int $targetId 目标ID
     * @return array 战斗结果
     * @throws Exception
     */
    public function executeBattle(int $petId, int $battleType, int $targetId): array
    {
        // 获取宠物信息
        $pet = PetUser::findOrFail($petId);
        
        // 根据战斗类型执行不同的战斗逻辑
        switch ($battleType) {
            case 1: // 偷菜战斗
                return $this->executeStealBattle($pet, $targetId);
                
            case 2: // 守护战斗
                return $this->executeDefendBattle($pet, $targetId);
                
            case 3: // 争霸赛战斗
                return $this->executeRoyaleBattle($pet, $targetId);
                
            default:
                throw new Exception("未知的战斗类型");
        }
    }
    
    /**
     * 执行偷菜战斗
     * 
     * @param PetUser $pet 宠物对象
     * @param int $targetId 目标用户ID
     * @return array 战斗结果
     */
    protected function executeStealBattle(PetUser $pet, int $targetId): array
    {
        // 计算宠物战力
        $petPower = $this->calculatePetPower($pet->id);
        
        // 获取目标用户的守护宠物
        // 这里需要根据实际项目中的农场模块接口进行实现
        // 暂时使用模拟数据
        $targetPetPower = 0;
        $targetPet = null;
        
        // 模拟获取目标用户的守护宠物
        $targetPets = PetUser::where('user_id', $targetId)
            ->where('status', 1) // 正常状态
            ->get();
        
        if ($targetPets->isNotEmpty()) {
            // 找出战力最高的宠物作为守护宠物
            foreach ($targetPets as $tp) {
                $tp_power = $this->calculatePetPower($tp->id);
                if ($tp_power > $targetPetPower) {
                    $targetPetPower = $tp_power;
                    $targetPet = $tp;
                }
            }
        }
        
        // 计算成功率
        $successRate = $this->calculateStealSuccessRate($petPower, $targetPetPower);
        
        // 随机决定是否成功
        $random = mt_rand(1, 100);
        $success = $random <= $successRate;
        
        // 计算奖励
        $rewards = [];
        if ($success) {
            // 成功偷菜，获得奖励
            $rewards = $this->calculateStealRewards($pet, $targetId);
        }
        
        // 记录战斗详情
        $details = [
            'pet_power' => $petPower,
            'target_pet_power' => $targetPetPower,
            'success_rate' => $successRate,
            'random_roll' => $random,
            'success' => $success
        ];
        
        // 返回战斗结果
        return [
            'success' => $success,
            'opponent_id' => $targetId,
            'opponent' => [
                'user_id' => $targetId,
                'pet_id' => $targetPet ? $targetPet->id : null,
                'pet_name' => $targetPet ? $targetPet->name : '无守护宠物',
                'pet_power' => $targetPetPower
            ],
            'rewards' => $rewards,
            'details' => $details
        ];
    }
    
    /**
     * 执行守护战斗
     * 
     * @param PetUser $pet 宠物对象
     * @param int $targetId 目标用户ID
     * @return array 战斗结果
     */
    protected function executeDefendBattle(PetUser $pet, int $targetId): array
    {
        // 计算宠物战力
        $petPower = $this->calculatePetPower($pet->id);
        
        // 获取目标用户的偷菜宠物
        // 这里需要根据实际项目中的农场模块接口进行实现
        // 暂时使用模拟数据
        $targetPetPower = mt_rand(800, 1500); // 模拟目标宠物战力
        
        // 计算成功率
        $successRate = $this->calculateDefendSuccessRate($petPower, $targetPetPower);
        
        // 随机决定是否成功
        $random = mt_rand(1, 100);
        $success = $random <= $successRate;
        
        // 计算奖励
        $rewards = [];
        if ($success) {
            // 成功守护，获得奖励
            $rewards = $this->calculateDefendRewards($pet);
        }
        
        // 记录战斗详情
        $details = [
            'pet_power' => $petPower,
            'target_pet_power' => $targetPetPower,
            'success_rate' => $successRate,
            'random_roll' => $random,
            'success' => $success
        ];
        
        // 返回战斗结果
        return [
            'success' => $success,
            'opponent_id' => $targetId,
            'opponent' => [
                'user_id' => $targetId,
                'pet_power' => $targetPetPower
            ],
            'rewards' => $rewards,
            'details' => $details
        ];
    }
    
    /**
     * 执行争霸赛战斗
     * 
     * @param PetUser $pet 宠物对象
     * @param int $targetId 目标Boss ID或对手宠物ID
     * @return array 战斗结果
     */
    protected function executeRoyaleBattle(PetUser $pet, int $targetId): array
    {
        // 计算宠物战力
        $petPower = $this->calculatePetPower($pet->id);
        
        // 获取目标Boss或对手宠物信息
        // 这里需要根据实际项目中的争霸赛系统进行实现
        // 暂时使用模拟数据
        $targetPetPower = 0;
        $targetPet = null;
        
        if ($targetId > 0) {
            // 对战其他宠物
            $targetPet = PetUser::find($targetId);
            if ($targetPet) {
                $targetPetPower = $this->calculatePetPower($targetId);
            }
        } else {
            // 对战Boss
            $targetPetPower = 5000; // 模拟Boss战力
        }
        
        // 计算成功率
        $successRate = $this->calculateRoyaleSuccessRate($petPower, $targetPetPower);
        
        // 随机决定是否成功
        $random = mt_rand(1, 100);
        $success = $random <= $successRate;
        
        // 计算奖励
        $rewards = [];
        if ($success) {
            // 战斗胜利，获得奖励
            $rewards = $this->calculateRoyaleRewards($pet, $targetId);
        }
        
        // 计算造成的伤害（用于争霸赛排名）
        $damage = $this->calculateRoyaleDamage($petPower, $targetPetPower, $success);
        
        // 记录战斗详情
        $details = [
            'pet_power' => $petPower,
            'target_pet_power' => $targetPetPower,
            'success_rate' => $successRate,
            'random_roll' => $random,
            'success' => $success,
            'damage' => $damage
        ];
        
        // 返回战斗结果
        return [
            'success' => $success,
            'opponent_id' => $targetId,
            'opponent' => $targetPet ? [
                'pet_id' => $targetPet->id,
                'pet_name' => $targetPet->name,
                'pet_grade' => $targetPet->grade->value,
                'pet_level' => $targetPet->level,
                'pet_power' => $targetPetPower
            ] : [
                'boss_id' => 0,
                'boss_name' => 'Boss',
                'boss_power' => $targetPetPower
            ],
            'rewards' => $rewards,
            'damage' => $damage,
            'details' => $details
        ];
    }
    
    /**
     * 计算宠物战力
     * 
     * @param int $petId 宠物ID
     * @return int 战力值
     */
    public function calculatePetPower(int $petId): int
    {
        // 获取宠物信息
        $pet = PetUser::findOrFail($petId);
        
        // 获取宠物等级配置
        $levelConfig = PetLevelConfig::where('level', $pet->level)->first();
        
        // 基础战力
        $basePower = $levelConfig ? ($levelConfig->numeric_attributes['base_power'] ?? 100) : 100;
        
        // 品阶加成
        $gradeBonus = config('pet.grade_attribute_bonus.' . $pet->grade->value, 0);
        
        // 计算最终战力
        $power = $basePower * (1 + $gradeBonus);
        
        // 记录日志
        Log::info('计算宠物战力', [
            'pet_id' => $petId,
            'level' => $pet->level,
            'grade' => $pet->grade->value,
            'base_power' => $basePower,
            'grade_bonus' => $gradeBonus,
            'final_power' => $power
        ]);
        
        return (int)$power;
    }
    
    /**
     * 计算偷菜成功率
     * 
     * @param int $petPower 宠物战力
     * @param int $targetPetPower 目标宠物战力
     * @return int 成功率（百分比）
     */
    protected function calculateStealSuccessRate(int $petPower, int $targetPetPower): int
    {
        // 如果目标没有守护宠物，成功率较高
        if ($targetPetPower <= 0) {
            return 80;
        }
        
        // 基础成功率
        $baseRate = 50;
        
        // 根据战力差计算成功率
        $powerDiff = $petPower - $targetPetPower;
        $rateAdjustment = $powerDiff / 100; // 每100点战力差调整1%成功率
        
        // 最终成功率，限制在10%-90%之间
        $finalRate = max(10, min(90, $baseRate + $rateAdjustment));
        
        return (int)$finalRate;
    }
    
    /**
     * 计算守护成功率
     * 
     * @param int $petPower 宠物战力
     * @param int $targetPetPower 目标宠物战力
     * @return int 成功率（百分比）
     */
    protected function calculateDefendSuccessRate(int $petPower, int $targetPetPower): int
    {
        // 基础成功率
        $baseRate = 60;
        
        // 根据战力差计算成功率
        $powerDiff = $petPower - $targetPetPower;
        $rateAdjustment = $powerDiff / 100; // 每100点战力差调整1%成功率
        
        // 最终成功率，限制在20%-95%之间
        $finalRate = max(20, min(95, $baseRate + $rateAdjustment));
        
        return (int)$finalRate;
    }
    
    /**
     * 计算争霸赛成功率
     * 
     * @param int $petPower 宠物战力
     * @param int $targetPetPower 目标宠物战力
     * @return int 成功率（百分比）
     */
    protected function calculateRoyaleSuccessRate(int $petPower, int $targetPetPower): int
    {
        // 基础成功率
        $baseRate = 40;
        
        // 根据战力差计算成功率
        $powerDiff = $petPower - $targetPetPower;
        $rateAdjustment = $powerDiff / 150; // 每150点战力差调整1%成功率
        
        // 最终成功率，限制在5%-85%之间
        $finalRate = max(5, min(85, $baseRate + $rateAdjustment));
        
        return (int)$finalRate;
    }
    
    /**
     * 计算偷菜奖励
     * 
     * @param PetUser $pet 宠物对象
     * @param int $targetId 目标用户ID
     * @return array 奖励列表
     */
    protected function calculateStealRewards(PetUser $pet, int $targetId): array
    {
        // 这里需要根据实际项目中的农场模块接口进行实现
        // 暂时使用模拟数据
        
        // 模拟获取可偷取的作物
        $availableCrops = [
            ['item_id' => 1001, 'name' => '小麦', 'max_amount' => 5],
            ['item_id' => 1002, 'name' => '胡萝卜', 'max_amount' => 3],
            ['item_id' => 1003, 'name' => '土豆', 'max_amount' => 2]
        ];
        
        // 随机选择1-2种作物
        $cropCount = mt_rand(1, min(2, count($availableCrops)));
        $selectedCrops = array_rand($availableCrops, $cropCount);
        
        if (!is_array($selectedCrops)) {
            $selectedCrops = [$selectedCrops];
        }
        
        // 计算偷取数量和经验值
        $rewards = [
            'exp' => mt_rand(5, 15), // 获得5-15点经验
            'items' => []
        ];
        
        foreach ($selectedCrops as $index) {
            $crop = $availableCrops[$index];
            $amount = mt_rand(1, $crop['max_amount']);
            
            $rewards['items'][] = [
                'item_id' => $crop['item_id'],
                'name' => $crop['name'],
                'amount' => $amount
            ];
        }
        
        return $rewards;
    }
    
    /**
     * 计算守护奖励
     * 
     * @param PetUser $pet 宠物对象
     * @return array 奖励列表
     */
    protected function calculateDefendRewards(PetUser $pet): array
    {
        // 这里需要根据实际项目中的奖励系统进行实现
        // 暂时使用模拟数据
        
        // 计算守护奖励和经验值
        $rewards = [
            'exp' => mt_rand(10, 20), // 获得10-20点经验
            'items' => []
        ];
        
        // 随机获得守护奖励物品
        $rewardItems = [
            ['item_id' => 2001, 'name' => '守护徽章', 'probability' => 0.3, 'amount' => 1],
            ['item_id' => 2002, 'name' => '防御药水', 'probability' => 0.5, 'amount' => 1],
            ['item_id' => 2003, 'name' => '农场币', 'probability' => 1.0, 'amount_min' => 10, 'amount_max' => 50]
        ];
        
        foreach ($rewardItems as $item) {
            $random = mt_rand(1, 100) / 100;
            if ($random <= $item['probability']) {
                $amount = isset($item['amount_min']) ? 
                    mt_rand($item['amount_min'], $item['amount_max']) : 
                    $item['amount'];
                
                $rewards['items'][] = [
                    'item_id' => $item['item_id'],
                    'name' => $item['name'],
                    'amount' => $amount
                ];
            }
        }
        
        return $rewards;
    }
    
    /**
     * 计算争霸赛奖励
     * 
     * @param PetUser $pet 宠物对象
     * @param int $targetId 目标ID
     * @return array 奖励列表
     */
    protected function calculateRoyaleRewards(PetUser $pet, int $targetId): array
    {
        // 这里需要根据实际项目中的争霸赛系统进行实现
        // 暂时使用模拟数据
        
        // 计算争霸赛奖励和经验值
        $rewards = [
            'exp' => mt_rand(20, 40), // 获得20-40点经验
            'items' => []
        ];
        
        // 如果是击败Boss，获得更多奖励
        if ($targetId <= 0) {
            // Boss战奖励
            $bossRewardItems = [
                ['item_id' => 3001, 'name' => '争霸徽章', 'amount' => 1],
                ['item_id' => 3002, 'name' => '高级狗粮', 'amount' => mt_rand(1, 3)],
                ['item_id' => 3003, 'name' => '钻石', 'amount' => mt_rand(10, 30)]
            ];
            
            foreach ($bossRewardItems as $item) {
                $rewards['items'][] = [
                    'item_id' => $item['item_id'],
                    'name' => $item['name'],
                    'amount' => $item['amount']
                ];
            }
        } else {
            // PVP战奖励
            $pvpRewardItems = [
                ['item_id' => 3001, 'name' => '争霸徽章', 'amount' => 1],
                ['item_id' => 3004, 'name' => '荣誉点数', 'amount' => mt_rand(5, 15)]
            ];
            
            foreach ($pvpRewardItems as $item) {
                $rewards['items'][] = [
                    'item_id' => $item['item_id'],
                    'name' => $item['name'],
                    'amount' => $item['amount']
                ];
            }
        }
        
        return $rewards;
    }
    
    /**
     * 计算争霸赛造成的伤害
     * 
     * @param int $petPower 宠物战力
     * @param int $targetPetPower 目标宠物战力
     * @param bool $success 是否成功
     * @return int 造成的伤害
     */
    protected function calculateRoyaleDamage(int $petPower, int $targetPetPower, bool $success): int
    {
        // 基础伤害
        $baseDamage = $petPower * 0.1;
        
        // 如果战斗成功，额外增加伤害
        if ($success) {
            $baseDamage *= 1.5;
        }
        
        // 根据目标战力调整伤害
        $powerRatio = $petPower / max(1, $targetPetPower);
        $damageAdjustment = $powerRatio * 0.5;
        
        // 最终伤害，加入随机因素
        $finalDamage = $baseDamage * (1 + $damageAdjustment) * (0.8 + mt_rand(0, 40) / 100);
        
        return (int)$finalDamage;
    }
}