using System.Runtime.CompilerServices;
using Admin.NET.Plugin.AiDOP.Controllers.S8;
using Admin.NET.Plugin.AiDOP.Entity.S8;
using Admin.NET.Plugin.AiDOP.Infrastructure;
using Admin.NET.Plugin.AiDOP.Service.S8;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Xunit;

namespace Admin.NET.Plugin.AiDOP.Tests.S8;

/// <summary>
/// S8-STEP6D-CFG-ALERT-LEGACY-WRITE-GUARD-CERT-1：钉住 CFG_ALERT 的
/// 「历史兼容只读 + 写入口退役」契约。
///
/// <para><b>不触任何数据库。</b> 这不是靠 mock 硬凑出来的——写方法在**任何 DB 访问之前**
/// 就抛出，所以根本不需要可用的仓储。用 <see cref="RuntimeHelpers.GetUninitializedObject"/>
/// 绕开构造函数（其参数 <c>SqlSugarRepository&lt;T&gt;</c> 的无参构造会触发 Furion.App
/// 静态初始化，在无宿主的 xunit 进程内必抛 TypeInitializationException）。
/// 若将来有人把守卫挪到 DB 访问之后，本测试会因 NullReferenceException 而失败——
/// 这正是我们想要的信号：**守卫必须前置**。</para>
/// </summary>
public class S8AlertRuleWriteRetiredTests
{
    private static S8AlertRuleService Svc() =>
        (S8AlertRuleService)RuntimeHelpers.GetUninitializedObject(typeof(S8AlertRuleService));

    private static readonly S8TrustedScope Scope = new(838257186181189L, 838257186320453L);

    private static AdoS8ConfigAlertRulesController Controller() => new(Svc(), null!);

    private static void AssertGone(IActionResult result)
    {
        var objectResult = Assert.IsType<ObjectResult>(result);
        Assert.Equal(StatusCodes.Status410Gone, objectResult.StatusCode);
        var message = objectResult.Value!.GetType().GetProperty("message")!.GetValue(objectResult.Value) as string;
        Assert.Equal(S8WriteRetiredException.UserMessage, message);
    }

    [Fact]
    public void CreateAsync_IsRetired()
    {
        var ex = Assert.Throws<S8WriteRetiredException>(
            () => { _ = Svc().CreateAsync(new AdoS8AlertRule { RuleCode = "X", SceneCode = "S1" }, Scope); });
        Assert.Equal(S8WriteRetiredException.UserMessage, ex.Message);
    }

    [Fact]
    public void UpdateAsync_IsRetired()
    {
        Assert.Throws<S8WriteRetiredException>(
            () => { _ = Svc().UpdateAsync(1L, new AdoS8AlertRule { RuleCode = "X", SceneCode = "S1" }, Scope); });
    }

    [Fact]
    public void DeleteAsync_IsRetired()
    {
        Assert.Throws<S8WriteRetiredException>(() => { _ = Svc().DeleteAsync(1L, Scope); });
    }

    [Fact]
    public async Task Controller_Create_Returns410_WithoutScopeOrRepositoryAccess()
    {
        AssertGone(await Controller().CreateAsync(new AdoS8AlertRule { RuleCode = "X", SceneCode = "S1" }));
    }

    [Theory]
    [InlineData(1L)]
    [InlineData(999999999L)]
    public async Task Controller_UpdateAndDelete_Return410_RegardlessOfId(long id)
    {
        var controller = Controller();
        AssertGone(await controller.UpdateAsync(id, new AdoS8AlertRule { RuleCode = "X", SceneCode = "S1" }));
        AssertGone(await controller.DeleteAsync(id));
    }

    /// <summary>越权 / 不存在的 Id 同样返回「已退役」，不得因 Id 不同而走回 404 分支。</summary>
    [Theory]
    [InlineData(0L)]
    [InlineData(1L)]            // Demo 租户实际存在的 G01_TEST_ALERT
    [InlineData(999999999L)]    // 不存在
    public void Writes_AreRetired_RegardlessOfId(long id)
    {
        Assert.Throws<S8WriteRetiredException>(() => { _ = Svc().DeleteAsync(id, Scope); });
        Assert.Throws<S8WriteRetiredException>(
            () => { _ = Svc().UpdateAsync(id, new AdoS8AlertRule { RuleCode = "X", SceneCode = "S1" }, Scope); });
    }

    /// <summary>读路径必须保留：历史兼容数据仍要能查。</summary>
    [Fact]
    public void ReadPath_IsPreserved()
    {
        Assert.NotNull(typeof(S8AlertRuleService).GetMethod("ListAsync", new[] { typeof(long), typeof(long) }));
    }

    /// <summary>
    /// 继承关系是防御性设计：只捕获 S8BizException 的旧调用方会安全降级为 400，而不是 500。
    /// </summary>
    [Fact]
    public void RetiredException_DerivesFromBizException()
    {
        Assert.True(typeof(S8BizException).IsAssignableFrom(typeof(S8WriteRetiredException)));
        Assert.False(typeof(S8NotFoundException).IsAssignableFrom(typeof(S8WriteRetiredException)));
    }

    /// <summary>用户文案必须同时说明「只读」与「当前权威是监控规则」，且不含内部实现细节。</summary>
    [Fact]
    public void UserMessage_StatesReadOnlyAndWatchRuleAuthority()
    {
        var m = S8WriteRetiredException.UserMessage;
        Assert.Contains("只读", m);
        Assert.Contains("监控规则", m);
        foreach (var leak in new[] { "Exception", "SqlSugar", "ado_s8_", "Service", "null" })
            Assert.DoesNotContain(leak, m, StringComparison.OrdinalIgnoreCase);
    }
}