<?php

namespace App\Models;

use Illuminate\Support\Facades\Cache;

class Sms extends SoftDeletesModel
{
    /**
     * 检查IP是否被锁定
     *
     * @param string $ip 客户端IP地址
     * @param string $type 方法类型 (bind_mobile/check_mobile)
     * @return array ['locked' => bool, 'message' => string]
     */
    public static function checkIpLock($ip, $type = 'bind_mobile')
    {
        $ipLockKey = 'sms_ip_lock_' . $type . '_' . $ip;

        if (Cache::has($ipLockKey)) {
            $lockTime = Cache::get($ipLockKey);
            $remainingTime = $lockTime - time();

            if ($remainingTime > 0) {
                $minutes = ceil($remainingTime / 60);
                return [
                    'locked' => true,
                    'message' => "访问过于频繁，请{$minutes}分钟后再试"
                ];
            }
        }

        return ['locked' => false, 'message' => ''];
    }

    /**
     * 记录验证码错误
     *
     * @param string $ip 客户端IP地址
     * @param string $type 方法类型 (bind_mobile/check_mobile)
     * @return array ['locked' => bool, 'message' => string]
     */
    public static function recordError($ip, $type = 'bind_mobile')
    {
        $errorKey = 'sms_error_count_' . $type . '_' . $ip;
        $ipLockKey = 'sms_ip_lock_' . $type . '_' . $ip;

        $errorCount = Cache::get($errorKey, 0) + 1;
        Cache::put($errorKey, $errorCount, 3600); // 1小时过期

        // 如果错误次数达到10次，锁定IP
        if ($errorCount >= 10) {
            Cache::put($ipLockKey, time() + 3600, 3600); // 锁定1小时
            Cache::forget($errorKey); // 清除错误计数

            return [
                'locked' => true,
                'message' => '验证码错误次数过多，请1小时后再试'
            ];
        }

        return ['locked' => false, 'message' => '验证码错误'];
    }

    /**
     * 清除错误计数
     *
     * @param string $ip 客户端IP地址
     * @param string $type 方法类型 (bind_mobile/check_mobile)
     */
    public static function clearError($ip, $type = 'bind_mobile')
    {
        $errorKey = 'sms_error_count_' . $type . '_' . $ip;
        Cache::forget($errorKey);
    }
}