using System.Text.RegularExpressions;
using Admin.NET.Plugin.AiDOP.SmartOps;
using Xunit;

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

public class KpiResultStatusResolverTests
{
    [Fact]
    public void SeedMetrics_AllHaveADependencyRow()
    {
        var root = RepoRoot();
        var seed = File.ReadAllText(Path.Combine(
            root, "server", "Plugins", "Admin.NET.Plugin.AiDOP", "Infrastructure", "AidopKpiMasterSeed.cs"));
        var codes = Regex.Matches(seed, "\"(S[5679]_L\\d+_\\d+)\"")
            .Select(m => m.Groups[1].Value)
            .Distinct(StringComparer.Ordinal)
            .ToList();
        var missing = codes.Where(c => !KpiSemanticDependency.Contains(c)).OrderBy(c => c).ToList();
        Assert.True(missing.Count == 0, "附录 F 缺行: " + string.Join(", ", missing));
        Assert.Contains("S5_L1_004", KpiSemanticDependency.Codes);
    }

    [Fact]
    public void UnsupportedSemantic_NullsTheValue()
    {
        var decision = KpiResultStatusResolver.Resolve(
            "S7_L2_013",
            3m,
            new Dictionary<string, string> { ["FG_RECEIPT_TIME"] = "源系统没有客户签收时间" },
            new HashSet<string>());
        Assert.Equal("SOURCE_UNSUPPORTED", decision.Status);
        Assert.Null(decision.Value);
        Assert.Contains("客户签收", decision.Reason);
    }

    [Fact]
    public void MissingObject_IsFailed()
    {
        var decision = KpiResultStatusResolver.Resolve(
            "S7_L1_001",
            1m,
            new Dictionary<string, string>(),
            new HashSet<string>());
        Assert.Equal("FAILED", decision.Status);
        Assert.Null(decision.Value);
    }

    [Fact]
    public void StarredLocation_DoesNotFailReceiptEfficiency()
    {
        var decision = KpiResultStatusResolver.Resolve(
            "S5_L3_002",
            2m,
            new Dictionary<string, string> { ["INV_LOCATION"] = "无库位" },
            new HashSet<string>());
        Assert.Equal("OK", decision.Status);
        Assert.Equal(2m, decision.Value);
    }

    [Fact]
    public void NullValue_IsNoData()
    {
        var decision = KpiResultStatusResolver.Resolve(
            "S5_L1_001",
            null,
            new Dictionary<string, string>(),
            new HashSet<string>());
        Assert.Equal("NO_DATA", decision.Status);
        Assert.Null(decision.Value);
    }

    private static string RepoRoot()
    {
        var dir = new DirectoryInfo(AppContext.BaseDirectory);
        while (dir != null)
        {
            if (Directory.Exists(Path.Combine(dir.FullName, "server", "Plugins", "Admin.NET.Plugin.AiDOP")))
                return dir.FullName;
            dir = dir.Parent;
        }
        throw new DirectoryNotFoundException("repo root");
    }
}