fastadmin_tailored/application/common/Service/Lottery/LotteryRecordService.php

<?php

namespace app\common\Service\Lottery;

use app\common\model\lottery\LotteryDrawRecord;
use app\common\model\lottery\LotteryWinRecord;
use app\common\model\lottery\LotteryPrize;
use app\common\Enum\LotteryEnum;
use think\Exception;

/**
 * 抽奖记录服务类
 * 专门处理抽奖记录和中奖记录的业务逻辑
 */
class LotteryRecordService
{
    // ============ 抽奖记录相关方法 ============

    /**
     * 创建抽奖记录
     */
    public static function createDrawRecord($activityId, $userId, $prizeId, $isWin, $triggerType, $triggerOrderId = null, $triggerAmount = null, $winInfo = [])
    {
        $data = [
            'activity_id' => $activityId,
            'user_id' => $userId,
            'prize_id' => $prizeId,
            'is_win' => $isWin ? 1 : 0,
            'trigger_type' => $triggerType,
            'trigger_order_id' => $triggerOrderId,
            'trigger_amount' => $triggerAmount,
            'win_info' => $winInfo ? json_encode($winInfo) : '',
            'draw_ip' => request()->ip(),
            'draw_time' => time(),
            'device_info' => request()->header('user-agent', '')
        ];
        
        return LotteryDrawRecord::create($data);
    }

    /**
     * 获取用户抽奖次数
     */
    public static function getUserDrawCount($activityId, $userId, $timeRange = null)
    {
        $query = LotteryDrawRecord::where('activity_id', $activityId)
                                  ->where('user_id', $userId);
        
        if ($timeRange) {
            if (isset($timeRange['start'])) {
                $query->where('draw_time', '>=', $timeRange['start']);
            }
            if (isset($timeRange['end'])) {
                $query->where('draw_time', '<=', $timeRange['end']);
            }
        }
        
        return $query->count();
    }

    /**
     * 获取用户中奖次数
     */
    public static function getUserWinCount($activityId, $userId, $timeRange = null)
    {
        $query = LotteryDrawRecord::where('activity_id', $activityId)
                                  ->where('user_id', $userId)
                                  ->where('is_win', 1);
        
        if ($timeRange) {
            if (isset($timeRange['start'])) {
                $query->where('draw_time', '>=', $timeRange['start']);
            }
            if (isset($timeRange['end'])) {
                $query->where('draw_time', '<=', $timeRange['end']);
            }
        }
        
        return $query->count();
    }

    /**
     * 获取活动抽奖统计
     */
    public static function getActivityDrawStats($activityId, $timeRange = null)
    {
        $query = LotteryDrawRecord::where('activity_id', $activityId);
        
        if ($timeRange) {
            if (isset($timeRange['start'])) {
                $query->where('draw_time', '>=', $timeRange['start']);
            }
            if (isset($timeRange['end'])) {
                $query->where('draw_time', '<=', $timeRange['end']);
            }
        }
        
        return [
            'total_draw' => $query->count(),
            'total_win' => $query->where('is_win', 1)->count(),
            'total_people' => $query->distinct('user_id')->count()
        ];
    }

    /**
     * 获取用户抽奖记录列表
     */
    public static function getUserDrawRecords($userId = 0, $activityId = null, $page = 1, $pageSize = 20)
    {
        $query = LotteryDrawRecord::where('user_id', $userId);
        
        if ($activityId) {
            $query->where('activity_id', $activityId);
        }
        
        return $query->with(['activity', 'prize', 'winRecord'])
                     ->order('draw_time', 'desc')
                     ->paginate($pageSize, false, ['page' => $page]);
    }

    /**
     * 获取活动抽奖记录列表
     */
    public static function getActivityDrawRecords($activityId, $page = 1, $limit = 20, $filters = [])
    {
        $query = LotteryDrawRecord::where('activity_id', $activityId);
        
        // 应用过滤器
        if (isset($filters['is_win'])) {
            $query->where('is_win', $filters['is_win']);
        }
        
        if (isset($filters['trigger_type'])) {
            $query->where('trigger_type', $filters['trigger_type']);
        }
        
        if (isset($filters['start_time'])) {
            $query->where('draw_time', '>=', $filters['start_time']);
        }
        
        if (isset($filters['end_time'])) {
            $query->where('draw_time', '<=', $filters['end_time']);
        }
        
        return $query->with(['user', 'prize', 'winRecord'])
                     ->order('draw_time', 'desc')
                     ->page($page, $limit)
                     ->select();
    }

    /**
     * 获取抽奖记录详情
     */
    public static function getDrawRecordDetail($drawRecordId)
    {
        return LotteryDrawRecord::where('id', $drawRecordId)
                                ->with(['activity', 'user', 'prize', 'winRecord', 'order'])
                                ->find();
    }

    /**
     * 检查用户是否已为指定订单抽奖
     */
    public static function hasUserDrawnForOrder($activityId, $userId, $orderId)
    {
        return LotteryDrawRecord::where('activity_id', $activityId)
                                ->where('user_id', $userId)
                                ->where('trigger_order_id', $orderId)
                                ->count() > 0;
    }

    /**
     * 获取用户抽奖历史统计
     */
    public static function getUserDrawHistoryStats($userId)
    {
        $stats = LotteryDrawRecord::where('user_id', $userId)
                                  ->field([
                                      'COUNT(*) as total_draws',
                                      'SUM(is_win) as total_wins',
                                      'COUNT(DISTINCT activity_id) as total_activities'
                                  ])
                                  ->find();

        return [
            'total_draws' => $stats['total_draws'] ?? 0,
            'total_wins' => $stats['total_wins'] ?? 0,
            'total_activities' => $stats['total_activities'] ?? 0,
            'win_rate' => $stats['total_draws'] > 0 ? 
                         round(($stats['total_wins'] / $stats['total_draws']) * 100, 2) : 0
        ];
    }

    /**
     * 获取活动抽奖排行榜
     */
    public static function getActivityDrawRanking($activityId, $limit = 50)
    {
        return LotteryDrawRecord::where('activity_id', $activityId)
                                ->field('user_id, COUNT(*) as draw_count, SUM(is_win) as win_count')
                                ->with('user')
                                ->group('user_id')
                                ->order('draw_count desc, win_count desc')
                                ->limit($limit)
                                ->select();
    }

    /**
     * 获取活动抽奖时间分布统计
     */
    public static function getActivityDrawTimeDistribution($activityId, $dateRange = null)
    {
        $query = LotteryDrawRecord::where('activity_id', $activityId);
        
        if ($dateRange) {
            if (isset($dateRange['start'])) {
                $query->where('draw_time', '>=', $dateRange['start']);
            }
            if (isset($dateRange['end'])) {
                $query->where('draw_time', '<=', $dateRange['end']);
            }
        }
        
        return $query->field('DATE(FROM_UNIXTIME(draw_time)) as date, COUNT(*) as draw_count, SUM(is_win) as win_count')
                     ->group('date')
                     ->order('date asc')
                     ->select();
    }

    // ============ 中奖记录相关方法 ============

    /**
     * 创建中奖记录
     */
    public static function createWinRecord($drawRecordId, $activityId, $userId, $prizeId, $prizeName, $prizeType, $prizeValue = [])
    {
        $data = [
            'draw_record_id' => $drawRecordId,
            'activity_id' => $activityId,
            'user_id' => $userId,
            'prize_id' => $prizeId,
            'prize_name' => $prizeName,
            'prize_type' => $prizeType,
            'prize_value' => is_array($prizeValue) ? json_encode($prizeValue) : $prizeValue,
            'deliver_status' => LotteryEnum::DELIVER_STATUS_PENDING
        ];
        
        return LotteryWinRecord::create($data);
    }

    /**
     * 标记中奖记录为发放成功
     */
    public static function markWinRecordAsDelivered(LotteryWinRecord $winRecord, $deliverInfo = [])
    {
        $winRecord->deliver_status = LotteryEnum::DELIVER_STATUS_SUCCESS;
        $winRecord->deliver_time = time();
        if ($deliverInfo) {
            $winRecord->deliver_info = json_encode($deliverInfo);
        }
        return $winRecord->save();
    }

    /**
     * 标记中奖记录为发放失败
     */
    public static function markWinRecordAsFailed(LotteryWinRecord $winRecord, $reason = '')
    {
        $winRecord->deliver_status = LotteryEnum::DELIVER_STATUS_FAILED;
        $winRecord->fail_reason = $reason;
        return $winRecord->save();
    }

    /**
     * 设置中奖记录收货地址
     */
    public static function setWinRecordDeliveryAddress(LotteryWinRecord $winRecord, $name, $mobile, $address)
    {
        $winRecord->receiver_name = $name;
        $winRecord->receiver_mobile = $mobile;
        $winRecord->receiver_address = $address;
        return $winRecord->save();
    }

    /**
     * 设置中奖记录快递信息
     */
    public static function setWinRecordExpressInfo(LotteryWinRecord $winRecord, $company, $number)
    {
        $winRecord->express_company = $company;
        $winRecord->express_number = $number;
        return $winRecord->save();
    }

    /**
     * 设置中奖记录兑换码
     */
    public static function setWinRecordExchangeCode(LotteryWinRecord $winRecord, $code)
    {
        $winRecord->exchange_code = $code;
        return $winRecord->save();
    }

    /**
     * 标记中奖记录兑换码已使用
     */
    public static function markWinRecordCodeUsed(LotteryWinRecord $winRecord)
    {
        $winRecord->code_used_time = time();
        return $winRecord->save();
    }

    /**
     * 获取待发放的中奖记录
     */
    public static function getPendingWinRecords($limit = 100)
    {
        return LotteryWinRecord::where('deliver_status', LotteryEnum::DELIVER_STATUS_PENDING)
                               ->order('createtime', 'asc')
                               ->limit($limit)
                               ->select();
    }

    /**
     * 获取用户中奖记录
     */
    public static function getUserWinRecords($userId, $page = 1, $limit = 20)
    {
        return LotteryWinRecord::where('user_id', $userId)
                               ->with(['activity', 'prize'])
                               ->order('createtime', 'desc')
                               ->page($page, $limit)
                               ->select();
    }

    /**
     * 获取活动中奖统计
     */
    public static function getActivityWinStats($activityId)
    {
        return [
            'total_win' => LotteryWinRecord::where('activity_id', $activityId)->count(),
            'delivered' => LotteryWinRecord::where('activity_id', $activityId)
                                           ->where('deliver_status', LotteryEnum::DELIVER_STATUS_SUCCESS)
                                           ->count(),
            'pending' => LotteryWinRecord::where('activity_id', $activityId)
                                         ->where('deliver_status', LotteryEnum::DELIVER_STATUS_PENDING)
                                         ->count(),
            'failed' => LotteryWinRecord::where('activity_id', $activityId)
                                        ->where('deliver_status', LotteryEnum::DELIVER_STATUS_FAILED)
                                        ->count()
        ];
    }

    /**
     * 批量处理待发放的中奖记录
     */
    public static function batchProcessPendingWinRecords($limit = 50)
    {
        $pendingRecords = static::getPendingWinRecords($limit);
        $processedCount = 0;

        foreach ($pendingRecords as $winRecord) {
            try {
                $prize = LotteryPrize::find($winRecord->prize_id);
                if ($prize && $prize->deliver_type == LotteryEnum::DELIVER_TYPE_AUTO) {
                    static::autoDeliverPrize($winRecord, $prize);
                    $processedCount++;
                }
            } catch (Exception $e) {
                static::markWinRecordAsFailed($winRecord, $e->getMessage());
                trace('自动发放奖品失败: ' . $e->getMessage(), 'error');
            }
        }

        return $processedCount;
    }

    /**
     * 手动发放奖品（管理员操作）
     */
    public static function manualDeliverPrize($winRecordId, $deliverInfo = [], $adminId = 0)
    {
        $winRecord = LotteryWinRecord::find($winRecordId);
        if (!$winRecord) {
            throw new Exception('中奖记录不存在');
        }

        if ($winRecord->deliver_status != LotteryEnum::DELIVER_STATUS_PENDING) {
            throw new Exception('该记录已处理，无法重复发放');
        }

        $deliverInfo['admin_id'] = $adminId;
        $deliverInfo['manual_deliver_time'] = time();

        return static::markWinRecordAsDelivered($winRecord, $deliverInfo);
    }

    /**
     * 取消中奖记录
     */
    public static function cancelWinRecord($winRecordId, $reason = '', $adminId = 0)
    {
        $winRecord = LotteryWinRecord::find($winRecordId);
        if (!$winRecord) {
            throw new Exception('中奖记录不存在');
        }

        $winRecord->deliver_status = LotteryEnum::DELIVER_STATUS_CANCELLED;
        $winRecord->fail_reason = $reason;
        $winRecord->cancel_time = time();
        $winRecord->cancel_admin_id = $adminId;

        return $winRecord->save();
    }

    /**
     * 自动发放奖品
     */
    public static function autoDeliverPrize($winRecord, $prize)
    {
        try {
            switch ($prize->type) {
                case LotteryEnum::PRIZE_TYPE_COUPON:
                    static::deliverCoupon($winRecord, $prize);
                    break;
                case LotteryEnum::PRIZE_TYPE_REDPACK:
                    static::deliverRedPacket($winRecord, $prize);
                    break;
                case LotteryEnum::PRIZE_TYPE_CODE:
                    static::deliverExchangeCode($winRecord, $prize);
                    break;
                case LotteryEnum::PRIZE_TYPE_SHOP_GOODS:
                    static::deliverGoods($winRecord, $prize);
                    break;
            }
        } catch (Exception $e) {
            static::markWinRecordAsFailed($winRecord, $e->getMessage());
        }
    }

    /**
     * 发放优惠券
     */
    private static function deliverCoupon($winRecord, $prize)
    {
        // 这里调用优惠券发放接口
        // 示例代码，需要根据实际优惠券系统实现
        static::markWinRecordAsDelivered($winRecord, ['coupon_id' => $prize->coupon_id]);
    }

    /**
     * 发放红包
     */
    private static function deliverRedPacket($winRecord, $prize)
    {
        // 这里调用红包发放接口
        // 示例代码，需要根据实际红包系统实现
        static::markWinRecordAsDelivered($winRecord, ['amount' => $prize->amount]);
    }

    /**
     * 发放兑换码
     */
    private static function deliverExchangeCode($winRecord, $prize)
    {
        $code = LotteryService::getAvailableExchangeCode($prize);
        if ($code) {
            static::setWinRecordExchangeCode($winRecord, $code);
            LotteryService::markExchangeCodeUsed($prize, $code);
            static::markWinRecordAsDelivered($winRecord, ['exchange_code' => $code]);
        } else {
            throw new Exception('兑换码已用完');
        }
    }

    /**
     * 发放商城商品
     */
    private static function deliverGoods($winRecord, $prize)
    {
        // 这里可以自动加入购物车或创建订单
        // 示例代码，需要根据实际商城系统实现
        static::markWinRecordAsDelivered($winRecord, [
            'goods_id' => $prize->goods_id,
            'goods_sku_id' => $prize->goods_sku_id
        ]);
    }
}