<?php

namespace App\Module\OpenAPI\Commands;

use App\Module\OpenAPI\Models\OpenApiKey;
use App\Module\OpenAPI\Models\OpenApiLog;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

/**
 * 清理过期令牌命令
 */
class CleanExpiredTokensCommand extends Command
{
    /**
     * 命令签名
     *
     * @var string
     */
    protected $signature = 'openapi:clean-expired 
                            {--keys : 清理过期的API密钥}
                            {--logs : 清理过期的调用日志}
                            {--days=90 : 保留天数}
                            {--dry-run : 仅显示将要删除的数据，不实际删除}';

    /**
     * 命令描述
     *
     * @var string
     */
    protected $description = '清理过期的API密钥和调用日志';

    /**
     * 执行命令
     *
     * @return int
     */
    public function handle()
    {
        $cleanKeys = $this->option('keys');
        $cleanLogs = $this->option('logs');
        $retentionDays = (int)$this->option('days');
        $dryRun = $this->option('dry-run');

        // 如果没有指定清理类型，默认清理所有
        if (!$cleanKeys && !$cleanLogs) {
            $cleanKeys = true;
            $cleanLogs = true;
        }

        $this->info('开始清理过期数据...');
        $this->line("保留天数: {$retentionDays}");
        $this->line("模式: " . ($dryRun ? '预览模式（不实际删除）' : '实际删除'));
        $this->line('');

        $totalCleaned = 0;

        // 清理过期的API密钥
        if ($cleanKeys) {
            $totalCleaned += $this->cleanExpiredKeys($dryRun);
        }

        // 清理过期的调用日志
        if ($cleanLogs) {
            $totalCleaned += $this->cleanOldLogs($retentionDays, $dryRun);
        }

        $this->line('');
        $this->info("清理完成！总共处理了 {$totalCleaned} 条记录。");

        return 0;
    }

    /**
     * 清理过期的API密钥
     *
     * @param bool $dryRun
     * @return int
     */
    protected function cleanExpiredKeys(bool $dryRun): int
    {
        $this->line('正在检查过期的API密钥...');

        // 查找过期的密钥
        $expiredKeys = OpenApiKey::where('expires_at', '<', now())
            ->where('status', '!=', 'EXPIRED')
            ->get();

        $count = $expiredKeys->count();
        
        if ($count === 0) {
            $this->line('没有找到过期的API密钥。');
            return 0;
        }

        $this->line("找到 {$count} 个过期的API密钥:");
        
        foreach ($expiredKeys as $key) {
            $this->line("  - {$key->key_id} ({$key->name}) - 过期时间: {$key->expires_at}");
        }

        if (!$dryRun) {
            // 更新状态为过期，而不是删除
            $updated = OpenApiKey::where('expires_at', '<', now())
                ->where('status', '!=', 'EXPIRED')
                ->update(['status' => 'EXPIRED']);
            
            $this->info("已将 {$updated} 个过期密钥标记为过期状态。");
        }

        return $count;
    }

    /**
     * 清理过期的调用日志
     *
     * @param int $retentionDays
     * @param bool $dryRun
     * @return int
     */
    protected function cleanOldLogs(int $retentionDays, bool $dryRun): int
    {
        $this->line("正在检查 {$retentionDays} 天前的调用日志...");

        $cutoffDate = now()->subDays($retentionDays);
        
        // 统计要删除的日志数量
        $count = OpenApiLog::where('created_at', '<', $cutoffDate)->count();
        
        if ($count === 0) {
            $this->line('没有找到需要清理的调用日志。');
            return 0;
        }

        $this->line("找到 {$count} 条需要清理的调用日志（{$cutoffDate} 之前）");

        if (!$dryRun) {
            // 分批删除，避免一次性删除太多数据
            $batchSize = 1000;
            $totalDeleted = 0;
            
            do {
                $deleted = OpenApiLog::where('created_at', '<', $cutoffDate)
                    ->limit($batchSize)
                    ->delete();
                
                $totalDeleted += $deleted;
                
                if ($deleted > 0) {
                    $this->line("已删除 {$deleted} 条日志记录...");
                }
                
            } while ($deleted > 0);
            
            $this->info("总共删除了 {$totalDeleted} 条调用日志。");
        }

        return $count;
    }
}