using System.Reflection;
using Microsoft.AspNetCore.Mvc;
using Admin.NET.Plugin.AiDOP.Controllers.S8;
using Admin.NET.Plugin.AiDOP.Entity.S8;
using Admin.NET.Plugin.AiDOP.Service.S8;
using Admin.NET.Plugin.AiDOP.Service.S8.Rules.DataAccess;
using Xunit;

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

/// <summary>
/// S8-STANDARD-DATASET-HARD-CUTOVER-1：规则创建只认治理数据集。
///
/// 本文件锁的是「创建链路上再也没有 SQL / 物理数据源的位置」，
/// 与 <see cref="S8LegacySymbolsRemovedTests"/> 互补：那边证明类型不存在，
/// 这边证明**残存的类型也不再提供入口**。
/// </summary>
public class S8DatasetOnlyRuleCreationTests
{
    private static readonly Assembly PluginAssembly = typeof(AdoS8WatchRule).Assembly;

    // ============================================================
    // T7 / T8：向导与数据源入口
    // ============================================================

    /// <summary>
    /// T7：向导后端不得再持有任何生成 SQL 的能力。
    ///
    /// 这几个方法曾按 monitor_object.source_table + monitor_metric 字段映射拼 SELECT，
    /// 是 S8 最后一处「自己造 SQL 去读别人的业务表」。逐名断言而非只看行为，
    /// 是因为它们是 private —— 行为测试删掉一个分支就能变绿，名字还在就说明能力还在。
    /// </summary>
    [Theory]
    [InlineData("BuildExpression")]
    [InlineData("ValidateSqlIdentifier")]
    [InlineData("BuildSoftDeletePredicate")]
    public void ConfigDraftService_HasNoSqlGenerationCapability(string methodName)
    {
        Assert.Null(typeof(S8ConfigDraftService).GetMethod(
            methodName, BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Public));
    }

    /// <summary>向导服务不得再注入任何能提供物理数据源的依赖。</summary>
    [Fact]
    public void ConfigDraftService_HoldsNoDataSourceDependency()
    {
        var fieldTypes = typeof(S8ConfigDraftService)
            .GetFields(BindingFlags.Instance | BindingFlags.NonPublic)
            .Select(f => f.FieldType.FullName ?? f.FieldType.Name)
            .ToArray();

        Assert.DoesNotContain(fieldTypes, t => t.Contains("AdoS8DataSource", StringComparison.Ordinal));
        Assert.DoesNotContain(fieldTypes, t => t.Contains("S8SqlSugarScopeFactory", StringComparison.Ordinal));
        // 正向：必须持有数据集目录，否则无从校验用户选的 dataset_code。
        Assert.Contains(fieldTypes, t => t.Contains("IS8DatasetCatalog", StringComparison.Ordinal));
    }

    /// <summary>T8：数据源 Controller / Service / Entity 三者都不存在。</summary>
    [Theory]
    [InlineData("Admin.NET.Plugin.AiDOP.Entity.S8.AdoS8DataSource")]
    [InlineData("Admin.NET.Plugin.AiDOP.Service.S8.S8DataSourceService")]
    [InlineData("Admin.NET.Plugin.AiDOP.Controllers.S8.AdoS8ConfigDataSourcesController")]
    [InlineData("Admin.NET.Plugin.AiDOP.Service.S8.Rules.S8DataSourceRowLoader")]
    [InlineData("Admin.NET.Plugin.AiDOP.Service.S8.Rules.S8SqlSugarScopeFactory")]
    [InlineData("Admin.NET.Plugin.AiDOP.Service.S8.Rules.DataAccess.S8LegacySqlDataProvider")]
    [InlineData("Admin.NET.Plugin.AiDOP.Service.S8.Rules.DataAccess.IS8LegacySqlDataProvider")]
    [InlineData("Admin.NET.Plugin.AiDOP.Service.S8.Rules.DataAccess.S8DataAccessMode")]
    [InlineData("Admin.NET.Plugin.AiDOP.Service.S8.Rules.DataAccess.S8RuleCreationPolicy")]
    [InlineData("Admin.NET.Plugin.AiDOP.Service.S8.Rules.DataAccess.S8RuleCreationOrigin")]
    public void LegacyDataAccessType_NoLongerExists(string fullName)
    {
        Assert.Null(PluginAssembly.GetType(fullName, throwOnError: false));
    }

    // ============================================================
    // 数据集目录端点
    // ============================================================

    /// <summary>
    /// 取代数据源端点的是一个**只读**目录。二者性质不同，不是改名：
    /// 旧的是租户可写的物理连接配置，新的是平台级只读目录。
    /// 因此本用例断言它一个写动作都没有。
    /// </summary>
    [Fact]
    public void DatasetsController_IsReadOnly()
    {
        var actions = typeof(AdoS8ConfigDatasetsController)
            .GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly)
            .ToArray();

        Assert.NotEmpty(actions);
        foreach (var m in actions)
        {
            Assert.Empty(m.GetCustomAttributes<HttpPostAttribute>());
            Assert.Empty(m.GetCustomAttributes<HttpPutAttribute>());
            Assert.Empty(m.GetCustomAttributes<HttpDeleteAttribute>());
            Assert.Empty(m.GetCustomAttributes<HttpPatchAttribute>());
        }
    }

    // ============================================================
    // T11：Rule 01 仍然合法
    // ============================================================

    /// <summary>
    /// T11：Rule 01 的配置形态在删掉三个 Legacy 列之后仍然完整可表达 ——
    /// 它本来就只依赖 dataset_code，这也是当初把它建成 STANDARD_DATASET 的意义。
    /// </summary>
    [Fact]
    public void Rule01Shape_RemainsExpressible_AfterLegacyColumnsRemoved()
    {
        var rule01 = new AdoS8WatchRule
        {
            Id = 1329909460023L,
            RuleCode = "RULE_S4_PURCHASE_DELIVERY_DATE_DELAY",
            TenantId = 838257186181189L,
            FactoryId = 838257186320453L,
            RuleType = "TIMEOUT",
            DatasetCode = "PURCHASE_DELIVERY",
            Enabled = false
        };

        Assert.Equal("PURCHASE_DELIVERY", rule01.DatasetCode);
        Assert.False(rule01.Enabled);

        // 保存级校验只看 dataset_code 是否在目录内 —— Rule 01 用的正是真实业务数据集定义。
        var catalog = new S8DatasetCatalog(new IS8DatasetDefinitionSource[]
        {
            new Admin.NET.Plugin.AiDOP.Service.S8.Rules.DataAccess.Providers.S8BusinessDatasetDefinitions()
        });
        S8WatchRuleDataAccessValidator.ValidateForSave(rule01, catalog);
    }
}