using System.Text.RegularExpressions;
using Admin.NET.Plugin.AiDOP.Dto.S0.Manufacturing;
using Admin.NET.Plugin.AiDOP.Entity.S0.Manufacturing;
using SqlSugar;
using Xunit;

namespace Admin.NET.Plugin.AiDOP.Tests.S0.Tenant;

/// <summary>
/// S0-WORKORD-CONTROL-TENANT-UX-FIX 防回归契约。
///
/// 守住四条：
///  1. Upsert 按 Id 定位必须先 tenant scope，禁止裸 GetByIdAsync（P0 越租户更新漏洞）；
///  2. Id 不属于当前租户时必须 NotFound，不得落到 Update 分支；
///  3. GET / Upsert 的 Domain 均为可选，页面加载不依赖用户手输工厂域；
///  4. 唯一索引必须以 TenantId 打头，否则 CodeFirst 重建后会退化为跨租户唯一。
///
/// 与同目录其他契约测试一致：用源码静态扫描，不需要真实 DB / HTTP 上下文。
/// 真实的双租户读写隔离由集成冒烟（两个租户 token 实调）覆盖。
/// </summary>
public class S0WorkOrdControlTenantTests
{
    private static string ControllerSource()
    {
        var dir = new DirectoryInfo(AppContext.BaseDirectory);
        while (dir != null && !Directory.Exists(Path.Combine(dir.FullName, "Admin.NET.Plugin.AiDOP", "Controllers", "S0")))
            dir = dir.Parent;
        Assert.NotNull(dir);

        var path = Path.Combine(dir!.FullName, "Admin.NET.Plugin.AiDOP", "Controllers", "S0",
            "Manufacturing", "AdoS0WorkOrdControlController.cs");
        Assert.True(File.Exists(path), $"未找到 {path}");
        return File.ReadAllText(path);
    }

    /// <summary>去掉注释行，避免注释里的说明文字造成误判。</summary>
    private static string StripComments(string src)
    {
        var withoutBlock = Regex.Replace(src, @"/\*.*?\*/", string.Empty, RegexOptions.Singleline);
        var lines = withoutBlock.Split('\n').Where(l => !l.TrimStart().StartsWith("//", StringComparison.Ordinal));
        return string.Join('\n', lines);
    }

    /// <summary>P0：不得使用未加租户条件的按 Id 查询。</summary>
    [Fact]
    public void Upsert_MustNotUseUnscopedGetById()
    {
        var src = StripComments(ControllerSource());

        Assert.DoesNotContain("GetByIdAsync", src);
        Assert.DoesNotContain("GetSingleAsync", src);

        // 按 Id 定位必须建立在 ScopedTo(tenantId) 之上。
        Assert.Matches(new Regex(@"ScopedTo\(tenantId\)\s*\r?\n?\s*\.Where\(x => x\.Id == dto\.Id"), src);
    }

    /// <summary>P0：Id 命中失败必须 404，绝不继续走到 Update。</summary>
    [Fact]
    public void Upsert_MustReturnNotFoundWhenIdBelongsToAnotherTenant()
    {
        var src = StripComments(ControllerSource());
        Assert.Contains("return NotFound();", src);

        var scopedIdIdx = src.IndexOf("x.Id == dto.Id", StringComparison.Ordinal);
        var notFoundIdx = src.IndexOf("return NotFound();", StringComparison.Ordinal);
        Assert.True(scopedIdIdx >= 0 && notFoundIdx > scopedIdIdx,
            "按 Id 的租户内查询之后必须紧跟 NotFound 分支。");

        var updateIdx = src.IndexOf("AsUpdateable", StringComparison.Ordinal);
        Assert.True(updateIdx > notFoundIdx, "NotFound 必须早于任何 Update 调用。");
    }

    /// <summary>每个 action 仍必须显式解析租户。</summary>
    [Fact]
    public void AllActions_ResolveTenantFirst()
    {
        var src = StripComments(ControllerSource());
        var actions = Regex.Matches(src, @"public async Task<IActionResult> (\w+)\(").Count;
        var resolves = Regex.Matches(src, @"AdoS0TenantScope\.TryResolveRequired").Count;
        Assert.True(actions > 0);
        Assert.Equal(actions, resolves);
    }

    /// <summary>Domain 必须可选：GET 不传也能取到当前租户配置。</summary>
    [Fact]
    public void DomainMustBeOptional_OnBothDtos()
    {
        var get = typeof(AdoS0WorkOrdControlGetDto).GetProperty(nameof(AdoS0WorkOrdControlGetDto.Domain))!;
        var upsert = typeof(AdoS0WorkOrdControlUpsertDto).GetProperty(nameof(AdoS0WorkOrdControlUpsertDto.Domain))!;

        Assert.Equal(typeof(string), get.PropertyType);
        Assert.Equal(typeof(string), upsert.PropertyType);

        Assert.Empty(get.GetCustomAttributes(typeof(System.ComponentModel.DataAnnotations.RequiredAttribute), true));
        Assert.Empty(upsert.GetCustomAttributes(typeof(System.ComponentModel.DataAnnotations.RequiredAttribute), true));

        // 查询里 Domain 只能作为可选筛选（WhereIF），不得是硬条件。
        var src = StripComments(ControllerSource());
        Assert.Contains("WhereIF(!string.IsNullOrWhiteSpace(domain)", src);
    }

    /// <summary>唯一索引必须以 TenantId 打头，否则跨租户抢占同一 Domain。</summary>
    [Fact]
    public void UniqueIndexMustLeadWithTenantId()
    {
        var index = typeof(AdoS0WorkOrdControl)
            .GetCustomAttributes(typeof(SugarIndexAttribute), inherit: true)
            .OfType<SugarIndexAttribute>()
            .Single();

        Assert.Equal(nameof(AdoS0WorkOrdControl.TenantId), index.IndexFields.Keys.First());
        Assert.Contains(nameof(AdoS0WorkOrdControl.Domain), index.IndexFields.Keys);
        Assert.True(index.IsUnique);
    }
}