<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: ywxapp<admin@ywxapp.cn>
// +----------------------------------------------------------------------
namespace addon\iot\command;

use think\console\Command;
use think\console\Input;
use think\console\Output;
use think\facade\Db;
use ywxapp\service\AddonService;
use addon\iot\service\Auth;

/**
 * ACL 实网决策验证：用真实 DB 规则校验 Auth::checkAcl 的放行/拒绝逻辑。
 *   php think iot:acltest
 * 验证项：deny 发布拒绝、默认放行、用户定向拒绝、超管绕过、$SYS 只读。
 * 不依赖运行中的 Broker，直接复用 Broker 实际调用的 Auth 逻辑。
 */
class TestAcl extends Command
{
    
    protected function configure()
    {
        $this->setName('iot:acltest')
            ->setDescription('验证 ACL 发布/订阅权限决策（含 deny 拒绝）');
    }

    
    protected function execute(Input $input, Output $output)
    {
        // 配置：开启 ACL，默认放行
        $saved = [];
        try { $saved = AddonService::config('iot') ?: []; } catch (\Throwable $e) {}
        $config = array_merge($saved, ['acl_enabled' => '1', 'acl_default' => 'allow']);

        $auth = new Auth($config);
        $auth->ensureTables();

        // 插入临时规则（测试后清理）
        $rows = [
            ['target_type' => 'user',   'target' => 'alice', 'topic' => 'alice/secret', 'access' => 2, 'allow' => 0, 'sort' => 5,  'remark' => 'tmp'],
            ['target_type' => 'all',   'target' => '',      'topic' => 'secret/#',     'access' => 2, 'allow' => 0, 'sort' => 10, 'remark' => 'tmp'],
            ['target_type' => 'all',   'target' => '',      'topic' => 'public/#',     'access' => 3, 'allow' => 1, 'sort' => 20, 'remark' => 'tmp'],
        ];
        $ids = [];
        foreach ($rows as $r) {
            $ids[] = Db::name('iot_acl')->insertGetId(array_merge($r, ['create_at' => time()]));
        }

        $results = [];
        $chk = function (string $case, bool $got, bool $expect) use (&$results) {
            $results[$case] = ['got' => $got, 'expect' => $expect, 'ok' => $got === $expect];
        };

        // 1) deny 发布 secret/# 被拒
        $chk('deny publish secret/#', $auth->checkAcl(null, 'c1', 'secret/data', Auth::ACT_PUB), false);
        // 2) 同一主题仅 deny 发布，订阅走默认放行
        $chk('subscribe secret/# default-allow', $auth->checkAcl(null, 'c1', 'secret/data', Auth::ACT_SUB), true);
        // 3) allow 规则 public/# 发布放行
        $chk('allow publish public/info', $auth->checkAcl(null, 'c1', 'public/info', Auth::ACT_PUB), true);
        // 4) 未命中规则走默认放行
        $chk('default allow other/topic', $auth->checkAcl(null, 'c1', 'other/topic', Auth::ACT_PUB), true);
        // 5) 用户定向 deny：alice 发布 alice/secret 被拒
        $chk('user alice deny publish', $auth->checkAcl('alice', 'cA', 'alice/secret', Auth::ACT_PUB), false);
        // 6) alice 订阅 alice/secret（user 规则仅限发布）走默认放行
        $chk('user alice subscribe (rule is pub-only)', $auth->checkAcl('alice', 'cA', 'alice/secret', Auth::ACT_SUB), true);
        // 7) 超管绕过 deny
        $chk('superuser bypass deny', $auth->checkAcl('root', 'cR', 'secret/data', Auth::ACT_PUB, true), true);
        // 8) $SYS 只读：订阅放行、发布拒绝
        $chk('$SYS subscribe allowed', $auth->checkAcl(null, 'c2', '$SYS/broker/uptime', Auth::ACT_SUB), true);
        $chk('$SYS publish denied',    $auth->checkAcl(null, 'c2', '$SYS/broker/uptime', Auth::ACT_PUB), false);
        // 9) 设备注册主题：发布 register/{sn} 与订阅 .../resp 始终放行（入网必经，不受 ACL 默认策略影响）
        $chk('register publish allowed',    $auth->checkAcl(null, 'c3', 'system/device/register/SN001', Auth::ACT_PUB), true);
        $chk('register resp subscribe allowed', $auth->checkAcl(null, 'c3', 'system/device/register/SN001/resp', Auth::ACT_SUB), true);

        // 10) 私有主题硬归属：即使 acl_default=allow，匿名/冒名身份也不得触碰他人设备与告警
        $chk('anonymous sub other device state', $auth->checkAcl(null, 'c4', '/devices/dev_x/state', Auth::ACT_SUB), false);
        $chk('named-anon sub other device state', $auth->checkAcl('someone', 'c4', '/devices/dev_x/state', Auth::ACT_SUB, false, 'anonymous-named'), false);
        $chk('named-anon pub other device cmd', $auth->checkAcl('someone', 'c4', '/devices/dev_x/cmd', Auth::ACT_PUB, false, 'anonymous-named'), false);
        $chk('anonymous sub notify of others', $auth->checkAcl(null, 'c4', '/notify/alice/#', Auth::ACT_SUB), false);
        $chk('self notify subscribe allowed', $auth->checkAcl('alice', 'c4', '/notify/alice/#', Auth::ACT_SUB), true);
        $chk('superuser bypass private topic', $auth->checkAcl(null, 'c4', '/devices/dev_x/state', Auth::ACT_SUB, true), true);

        // 11) 通配符订阅封堵：`#` / `+/...` 不得绕过私有主题归属（acl_default=allow 下也必须拒绝）
        //     背景：顶层通配符不以 /devices/ 开头 → 硬归属返回 null → 落到 acl_default 兜底，
        //     若兜底为「允许」，订阅 `#` 就能收到全站设备消息与注册回执（含 secret）。
        $chk('wildcard # subscribe denied',        $auth->checkAcl(null, 'c5', '#', Auth::ACT_SUB), false);
        $chk('wildcard system/# denied',           $auth->checkAcl(null, 'c5', 'system/#', Auth::ACT_SUB), false);
        $chk('wildcard +/state denied',            $auth->checkAcl(null, 'c5', '+/state', Auth::ACT_SUB), false);
        $chk('register wildcard sub denied',       $auth->checkAcl(null, 'c5', 'system/device/register/#', Auth::ACT_SUB), false);
        $chk('register precise sub still allowed', $auth->checkAcl(null, 'c5', 'system/device/register/SN001/resp', Auth::ACT_SUB), true);
        $chk('$SYS wildcard allowed (readonly)',   $auth->checkAcl(null, 'c5', '$SYS/#', Auth::ACT_SUB), true);
        $chk('superuser wildcard # allowed',       $auth->checkAcl(null, 'c5', '#', Auth::ACT_SUB, true), true);

        // 清理临时规则
        if ($ids) {
            Db::name('iot_acl')->whereIn('id', $ids)->delete();
        }

        $pass = 0;
        $fail = 0;
        foreach ($results as $case => $r) {
            $flag = $r['ok'] ? 'PASS' : 'FAIL';
            if ($r['ok']) { $pass++; } else { $fail++; }
            $output->writeln("[{$flag}] {$case}  (got=" . var_export($r['got'], true) . " expect=" . var_export($r['expect'], true) . ")");
        }
        $output->writeln("");
        $output->writeln("ACL 验证结果：PASS={$pass}  FAIL={$fail}");
        return $fail === 0 ? 0 : 1;
    }
}