<?php

/**
 * 文件功能：找回密码账号检测与防扫描轰炸限流 Feature 测试
 *
 * 覆盖密码重置流程中的多维限流阀门，确保 IP 防扫与用户邮箱防轰炸策略稳健起效。
 *
 * @author   ChatRoom Laravel
 *
 * @version  1.0.0
 */

namespace Tests\Feature;

use App\Models\Sysparam;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\RateLimiter;
use Tests\TestCase;

class PasswordResetRateLimitTest extends TestCase
{
    use RefreshDatabase;

    protected function setUp(): void
    {
        parent::setUp();
        RateLimiter::clear('pw-check:ip:127.0.0.1');
        RateLimiter::clear('pw-email:ip:127.0.0.1');
    }

    /**
     * 测试账号检测：不存在账号返回 404/not_found
     */
    public function test_check_account_returns_not_found_when_user_does_not_exist(): void
    {
        $response = $this->postJson(route('password.check_account'), [
            'username' => 'non_existing_user_abc',
        ]);

        $response->assertStatus(200);
        $response->assertJson([
            'status' => 'not_found',
            'message' => '抱歉，没有找到该昵称对应的账号。请确认后再试。',
        ]);
    }

    /**
     * 测试账号检测分流状态与脱敏邮箱输出
     */
    public function test_check_account_shows_correct_channels(): void
    {
        // 1. 双绑定用户
        $bothBoundUser = User::factory()->create([
            'username' => 'both_user',
            'email' => 'both.test@example.com',
            'wxid' => 'wxid_both',
        ]);

        $response1 = $this->postJson(route('password.check_account'), [
            'username' => 'both_user',
        ]);

        $response1->assertJson([
            'status' => 'success',
            'has_email' => true,
            'has_wechat' => true,
            'masked_email' => 'b*******t@example.com',
        ]);

        // 2. 仅绑定微信用户
        $wechatUser = User::factory()->create([
            'username' => 'wx_user',
            'email' => null,
            'wxid' => 'wxid_single',
        ]);

        $response2 = $this->postJson(route('password.check_account'), [
            'username' => 'wx_user',
        ]);

        $response2->assertJson([
            'status' => 'success',
            'has_email' => false,
            'has_wechat' => true,
        ]);

        // 3. 均未绑定用户
        $noneUser = User::factory()->create([
            'username' => 'none_user',
            'email' => null,
            'wxid' => null,
        ]);

        $response3 = $this->postJson(route('password.check_account'), [
            'username' => 'none_user',
        ]);

        $response3->assertJson([
            'status' => 'success',
            'has_email' => false,
            'has_wechat' => false,
        ]);
    }

    /**
     * 测试 IP 防扫描限流限制 (每个 IP 1分钟限制 5 次检测)
     */
    public function test_check_account_rate_limiting(): void
    {
        $ip = '127.0.0.1';

        // 连续请求 5 次都应该正常响应
        for ($i = 0; $i < 5; $i++) {
            $response = $this->postJson(route('password.check_account'), [
                'username' => 'non_existing_user',
            ]);
            $response->assertStatus(200);
        }

        // 第 6 次应该被 RateLimiter 节流拦截返回 429
        $response = $this->postJson(route('password.check_account'), [
            'username' => 'non_existing_user',
        ]);

        $response->assertStatus(429);
        $response->assertJson([
            'status' => 'error',
        ]);
        $this->assertStringContainsString('请求过于频繁', $response->json('message'));
    }

    /**
     * 测试发送链接的双层安全控频防御 (防止疯狂邮件轰炸他人)
     */
    public function test_store_link_prevents_email_bombing(): void
    {
        Sysparam::updateOrCreate(['alias' => 'smtp_enabled'], ['body' => '1']);

        $user = User::factory()->create([
            'username' => 'bomb_user',
            'email' => 'bomb.target@example.com',
        ]);

        $email = $user->email;
        $targetKey = 'pw-email:target:'.md5($email);
        RateLimiter::clear($targetKey);

        // 模拟第一次发送成功
        $response1 = $this->postJson(route('password.email'), [
            'username' => 'bomb_user',
        ]);

        // 第二次在 3 分钟内再次连续发送同一个账号邮件，应该直接拦截返回 429，防止邮箱轰炸
        $response2 = $this->postJson(route('password.email'), [
            'username' => 'bomb_user',
        ]);

        $response2->assertStatus(429);
        $response2->assertJson([
            'status' => 'error',
        ]);
        $this->assertStringContainsString('重置链接过于频繁', $response2->json('message'));
    }
}