<?php

namespace App\Module\Activity\Services;

use App\Module\Activity\Dtos\ActivityRewardDto;
use App\Module\Activity\Logics\RewardLogic;
use Exception;
use Illuminate\Support\Facades\Log;

/**
 * 奖励服务类
 */
class RewardService
{
    /**
     * 获取活动奖励信息
     *
     * @param int $activityId 活动ID
     * @return ActivityRewardDto|null
     */
    public static function getActivityReward(int $activityId): ?ActivityRewardDto
    {
        try {
            $rewardLogic = new RewardLogic();
            return $rewardLogic->getActivityReward($activityId);
        } catch (Exception $e) {
            Log::error('获取活动奖励信息失败', [
                'activity_id' => $activityId,
                'error' => $e->getMessage()
            ]);
            return null;
        }
    }

    /**
     * 发放活动奖励
     *
     * @param int $userId 用户ID
     * @param int $activityId 活动ID
     * @return array
     */
    public static function grantActivityReward(int $userId, int $activityId): array
    {
        try {
            $rewardLogic = new RewardLogic();
            
            // 检查是否可以领取奖励
            if (!$rewardLogic->canClaimReward($userId, $activityId)) {
                return [
                    'success' => false,
                    'message' => '不满足领取奖励条件',
                    'rewards' => []
                ];
            }
            
            // 发放奖励
            $result = $rewardLogic->grantActivityReward($userId, $activityId);
            
            // 如果发放成功，标记奖励为已领取
            if ($result['success']) {
                $rewardLogic->markRewardAsClaimed($userId, $activityId);
            }
            
            return $result;
        } catch (Exception $e) {
            Log::error('发放活动奖励失败', [
                'user_id' => $userId,
                'activity_id' => $activityId,
                'error' => $e->getMessage()
            ]);
            
            return [
                'success' => false,
                'message' => $e->getMessage(),
                'rewards' => []
            ];
        }
    }

    /**
     * 标记奖励为已过期
     *
     * @param int $userId 用户ID
     * @param int $activityId 活动ID
     * @return bool
     */
    public static function markRewardAsExpired(int $userId, int $activityId): bool
    {
        try {
            $rewardLogic = new RewardLogic();
            return $rewardLogic->markRewardAsExpired($userId, $activityId);
        } catch (Exception $e) {
            Log::error('标记奖励为已过期失败', [
                'user_id' => $userId,
                'activity_id' => $activityId,
                'error' => $e->getMessage()
            ]);
            return false;
        }
    }

    /**
     * 批量发放活动奖励
     *
     * @param array $userIds 用户ID数组
     * @param int $activityId 活动ID
     * @return array
     */
    public static function batchGrantActivityReward(array $userIds, int $activityId): array
    {
        $results = [
            'success_count' => 0,
            'fail_count' => 0,
            'details' => []
        ];
        
        foreach ($userIds as $userId) {
            $result = self::grantActivityReward($userId, $activityId);
            
            if ($result['success']) {
                $results['success_count']++;
            } else {
                $results['fail_count']++;
            }
            
            $results['details'][$userId] = $result;
        }
        
        return $results;
    }
}