using Admin.NET.Plugin.AiDOP.Manufacturing;
using Xunit;

namespace Admin.NET.Plugin.AiDOP.Tests.S6.Manufacturing;

/// <summary>S6 Phase 1C 判定引擎单测（纯函数，后端唯一判定真源）。</summary>
public class S6ProcessInspectionJudgeTests
{
    // ── NUMERIC 逐样本 ──（闭区间 9.8~10.2）
    [Theory]
    [InlineData("10.0", S6Judgement.Pass)]  // inside
    [InlineData("9.8", S6Judgement.Pass)]   // lower bound (闭)
    [InlineData("10.2", S6Judgement.Pass)]  // upper bound (闭)
    [InlineData("9.79", S6Judgement.Fail)]  // below
    [InlineData("10.21", S6Judgement.Fail)] // above
    [InlineData("abc", S6Judgement.Invalid)]// 非法数字 → 不默认 PASS
    [InlineData("", S6Judgement.Invalid)]   // 空
    public void JudgeSample_Numeric_ClosedInterval(string actual, string expect)
        => Assert.Equal(expect, S6ProcessInspectionJudge.JudgeSample(S6ResultType.Numeric, actual, "9.8", "10.2"));

    [Fact]
    public void JudgeSample_Numeric_LowerOnly() // 仅下限 >=5
    {
        Assert.Equal(S6Judgement.Pass, S6ProcessInspectionJudge.JudgeSample(S6ResultType.Numeric, "5", "5", null));
        Assert.Equal(S6Judgement.Fail, S6ProcessInspectionJudge.JudgeSample(S6ResultType.Numeric, "4.9", "5", null));
    }

    [Fact]
    public void JudgeSample_Numeric_UpperOnly() // 仅上限 <=10
    {
        Assert.Equal(S6Judgement.Pass, S6ProcessInspectionJudge.JudgeSample(S6ResultType.Numeric, "10", null, "10"));
        Assert.Equal(S6Judgement.Fail, S6ProcessInspectionJudge.JudgeSample(S6ResultType.Numeric, "10.1", null, "10"));
    }

    [Fact]
    public void JudgeSample_Numeric_NoLimits_Invalid() // 无上下限 → 无法判定
        => Assert.Equal(S6Judgement.Invalid, S6ProcessInspectionJudge.JudgeSample(S6ResultType.Numeric, "5", null, null));

    // ── NON_NUMERIC 逐样本 ──
    [Theory]
    [InlineData("OK", S6Judgement.Pass)]
    [InlineData("ok", S6Judgement.Pass)]
    [InlineData("NG", S6Judgement.Fail)]
    [InlineData("maybe", S6Judgement.Invalid)]
    public void JudgeSample_NonNumeric(string actual, string expect)
        => Assert.Equal(expect, S6ProcessInspectionJudge.JudgeSample(S6ResultType.NonNumeric, actual, null, null));

    // ── 单项聚合 ──（要求 3 样本）
    [Fact]
    public void AggregateItem_Partial_InProgressPending()
    {
        var (st, r) = S6ProcessInspectionJudge.AggregateItem(3, new[] { S6Judgement.Pass });
        Assert.Equal(S6ItemStatus.InProgress, st);
        Assert.Equal(S6Judgement.Pending, r);
    }

    [Fact]
    public void AggregateItem_CompleteAllPass()
    {
        var (st, r) = S6ProcessInspectionJudge.AggregateItem(3, new[] { S6Judgement.Pass, S6Judgement.Pass, S6Judgement.Pass });
        Assert.Equal(S6ItemStatus.Completed, st);
        Assert.Equal(S6Judgement.Pass, r);
    }

    [Fact]
    public void AggregateItem_OneFail_Fail()
    {
        var (st, r) = S6ProcessInspectionJudge.AggregateItem(3, new[] { S6Judgement.Pass, S6Judgement.Fail, S6Judgement.Pass });
        Assert.Equal(S6ItemStatus.Completed, st);
        Assert.Equal(S6Judgement.Fail, r);
    }

    [Fact]
    public void AggregateItem_ZeroRecorded_NotStarted()
    {
        var (st, r) = S6ProcessInspectionJudge.AggregateItem(3, System.Array.Empty<string>());
        Assert.Equal(S6ItemStatus.NotStarted, st);
        Assert.Equal(S6Judgement.Pending, r);
    }

    [Fact]
    public void AggregateItem_NonNumericSingle_CompletePass()
    {
        var (st, r) = S6ProcessInspectionJudge.AggregateItem(1, new[] { S6Judgement.Pass });
        Assert.Equal(S6ItemStatus.Completed, st);
        Assert.Equal(S6Judgement.Pass, r);
    }

    // ── 整单聚合 ──
    [Fact]
    public void AggregateOverall_AllCompletePass_Pass()
        => Assert.Equal(S6Judgement.Pass, S6ProcessInspectionJudge.AggregateOverall(new[] { (S6ItemStatus.Completed, S6Judgement.Pass), (S6ItemStatus.Completed, S6Judgement.Pass) }));

    [Fact]
    public void AggregateOverall_OneFail_Fail()
        => Assert.Equal(S6Judgement.Fail, S6ProcessInspectionJudge.AggregateOverall(new[] { (S6ItemStatus.Completed, S6Judgement.Pass), (S6ItemStatus.Completed, S6Judgement.Fail) }));

    [Fact]
    public void AggregateOverall_Incomplete_Pending()
        => Assert.Equal(S6Judgement.Pending, S6ProcessInspectionJudge.AggregateOverall(new[] { (S6ItemStatus.Completed, S6Judgement.Pass), (S6ItemStatus.InProgress, S6Judgement.Pending) }));

    [Fact]
    public void AggregateOverall_Invalid_Invalid()
        => Assert.Equal(S6Judgement.Invalid, S6ProcessInspectionJudge.AggregateOverall(new[] { (S6ItemStatus.Completed, S6Judgement.Invalid), (S6ItemStatus.Completed, S6Judgement.Pass) }));

    [Fact]
    public void AllItemsCompleted_GatesComplete()
    {
        Assert.True(S6ProcessInspectionJudge.AllItemsCompleted(new[] { (S6ItemStatus.Completed, S6Judgement.Pass) }));
        Assert.False(S6ProcessInspectionJudge.AllItemsCompleted(new[] { (S6ItemStatus.Completed, S6Judgement.Pass), (S6ItemStatus.InProgress, S6Judgement.Pending) }));
        Assert.False(S6ProcessInspectionJudge.AllItemsCompleted(System.Array.Empty<(string, string)>()));
    }
}