<?php

namespace App\Module\Activity\Commands;

use App\Module\Activity\Enums\ACTIVITY_STATUS;
use App\Module\Activity\Enums\REWARD_STATUS;
use App\Module\Activity\Models\ActivityConfig;
use App\Module\Activity\Models\ActivityParticipation;
use Carbon\Carbon;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;

/**
 * 清理过期活动命令
 */
class CleanExpiredActivitiesCommand extends Command
{
    /**
     * 命令名称
     *
     * @var string
     */
    protected $signature = 'activity:clean-expired {--days=30 : 清理多少天前结束的活动} {--dry-run : 仅显示将要清理的内容，不实际执行}';

    /**
     * 命令描述
     *
     * @var string
     */
    protected $description = '清理过期活动和未领取的奖励';

    /**
     * 执行命令
     *
     * @return int
     */
    public function handle()
    {
        $days = (int)$this->option('days');
        $dryRun = $this->option('dry-run');
        
        if ($days <= 0) {
            $this->error('天数必须大于0');
            return 1;
        }
        
        $cutoffDate = Carbon::now()->subDays($days);
        $this->info("开始清理 {$cutoffDate} 之前结束的活动...");
        
        if ($dryRun) {
            $this->warn('当前为演示模式，不会实际执行清理操作');
        }
        
        // 查找过期活动
        $expiredActivities = ActivityConfig::where('end_time', '<', $cutoffDate)
            ->whereIn('status', [ACTIVITY_STATUS::ENDED, ACTIVITY_STATUS::CLOSED])
            ->get();
        
        $this->info("找到 " . count($expiredActivities) . " 个过期活动");
        
        if ($expiredActivities->isEmpty()) {
            $this->info('没有需要清理的过期活动');
            return 0;
        }
        
        // 显示将要清理的活动
        $this->table(
            ['ID', '名称', '结束时间', '状态'],
            $expiredActivities->map(function ($activity) {
                return [
                    $activity->id,
                    $activity->name,
                    $activity->end_time,
                    ACTIVITY_STATUS::getName($activity->status)
                ];
            })
        );
        
        if (!$dryRun && !$this->confirm('确定要清理这些活动吗？此操作不可撤销')) {
            $this->info('操作已取消');
            return 0;
        }
        
        // 清理过期活动
        $expiredActivityIds = $expiredActivities->pluck('id')->toArray();
        $expiredRewardsCount = 0;
        
        if (!$dryRun) {
            DB::beginTransaction();
            
            try {
                // 标记未领取的奖励为已过期
                $expiredRewardsCount = ActivityParticipation::whereIn('activity_id', $expiredActivityIds)
                    ->where('reward_status', REWARD_STATUS::NOT_CLAIMED)
                    ->update(['reward_status' => REWARD_STATUS::EXPIRED]);
                
                // 更新活动状态为已关闭
                ActivityConfig::whereIn('id', $expiredActivityIds)
                    ->where('status', ACTIVITY_STATUS::ENDED)
                    ->update(['status' => ACTIVITY_STATUS::CLOSED]);
                
                DB::commit();
                
                $this->info("成功清理 " . count($expiredActivityIds) . " 个过期活动");
                $this->info("标记 {$expiredRewardsCount} 个未领取的奖励为已过期");
                
                // 记录日志
                Log::info("清理过期活动完成", [
                    'activity_count' => count($expiredActivityIds),
                    'expired_rewards_count' => $expiredRewardsCount,
                    'cutoff_date' => $cutoffDate
                ]);
            } catch (\Exception $e) {
                DB::rollBack();
                
                $this->error("清理过期活动失败: " . $e->getMessage());
                
                // 记录日志
                Log::error("清理过期活动失败", [
                    'error' => $e->getMessage(),
                    'cutoff_date' => $cutoffDate
                ]);
                
                return 1;
            }
        } else {
            // 演示模式，显示将要执行的操作
            $expiredRewardsCount = ActivityParticipation::whereIn('activity_id', $expiredActivityIds)
                ->where('reward_status', REWARD_STATUS::NOT_CLAIMED)
                ->count();
            
            $this->info("将会清理 " . count($expiredActivityIds) . " 个过期活动");
            $this->info("将会标记 {$expiredRewardsCount} 个未领取的奖励为已过期");
        }
        
        return 0;
    }
}