<?php

namespace App\Module\UrsPromotion\Services;

use App\Module\UrsPromotion\Logics\UrsBackfillRewardLogic;
use Illuminate\Support\Facades\Log;

/**
 * URS推荐奖励补发服务
 * 
 * 处理用户首次进入农场时的推荐奖励补发逻辑
 */
class UrsBackfillRewardService
{
    /**
     * 为用户补发推荐奖励
     * 
     * 当URS用户首次进入农场时，如果该用户有下级/下下级，
     * 按照用户当前达人等级（最低级）的奖励标准一次性补发推荐奖励
     * 使用奖励组系统的倍数功能：总量 = 奖励 × 人数
     *
     * @param int $ursUserId URS用户ID
     * @param int $farmUserId 农场用户ID
     * @return array 补发结果
     */
    public static function backfillPromotionReward(int $ursUserId, int $farmUserId): array
    {
        try {
            Log::info('开始处理URS推荐奖励补发', [
                'urs_user_id' => $ursUserId,
                'farm_user_id' => $farmUserId
            ]);

            $logic = new UrsBackfillRewardLogic();
            $result = $logic->backfillPromotionReward($ursUserId, $farmUserId);

            Log::info('URS推荐奖励补发处理完成', [
                'urs_user_id' => $ursUserId,
                'farm_user_id' => $farmUserId,
                'result' => $result
            ]);

            return $result;

        } catch (\Exception $e) {
            Log::error('URS推荐奖励补发失败', [
                'urs_user_id' => $ursUserId,
                'farm_user_id' => $farmUserId,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            return [
                'success' => false,
                'error' => $e->getMessage(),
                'backfilled_count' => 0,
                'total_subordinates' => 0,
                'talent_level' => 0,
                'reward_details' => []
            ];
        }
    }

    /**
     * 检查用户是否需要补发推荐奖励
     * 
     * @param int $ursUserId URS用户ID
     * @return bool
     */
    public static function needsBackfillReward(int $ursUserId): bool
    {
        try {
            $logic = new UrsBackfillRewardLogic();
            return $logic->needsBackfillReward($ursUserId);
        } catch (\Exception $e) {
            Log::error('检查是否需要补发奖励失败', [
                'urs_user_id' => $ursUserId,
                'error' => $e->getMessage()
            ]);
            return false;
        }
    }

    /**
     * 获取用户的下级统计信息
     * 
     * @param int $ursUserId URS用户ID
     * @return array
     */
    public static function getSubordinateStats(int $ursUserId): array
    {
        try {
            $logic = new UrsBackfillRewardLogic();
            return $logic->getSubordinateStats($ursUserId);
        } catch (\Exception $e) {
            Log::error('获取下级统计信息失败', [
                'urs_user_id' => $ursUserId,
                'error' => $e->getMessage()
            ]);
            return [
                'direct_count' => 0,
                'indirect_count' => 0,
                'third_count' => 0,
                'total_count' => 0
            ];
        }
    }
}