using MBN_STOCK_WEBVIEW.PlayoutSmoke;

namespace MBN_STOCK_WEBVIEW.Playout.Tests;

public sealed class SmokeCommandLineTests
{
    [Theory]
    [InlineData("Tornado2 TEST", false)]
    [InlineData("TEST-1", false)]
    [InlineData("Tornado2", true)]
    [InlineData("PGM", true)]
    [InlineData("CONTEST", true)]
    [InlineData("", true)]
    [InlineData(null, true)]
    public void TornadoWindowTitleWithoutExplicitTestMarkerIsUnsafe(
        string? title,
        bool expected)
    {
        Assert.Equal(expected, SmokeCommandLine.IsUnsafeTornadoWindowTitle(title));
    }

    [Fact]
    public void Parse_NoArguments_PreservesReadOnlyProbeDefault()
    {
        var parsed = SmokeCommandLine.Parse([]);

        Assert.True(parsed.IsValid);
        Assert.Equal(SmokeCommandKind.Probe, parsed.Invocation.Kind);
    }

    [Theory]
    [InlineData("--probe", "Probe")]
    [InlineData("--PROBE", "Probe")]
    [InlineData("--dry-run", "DryRun")]
    public void Parse_ExistingComFreeCommandsRemainAvailable(
        string argument,
        string expected)
    {
        var parsed = SmokeCommandLine.Parse([argument]);

        Assert.True(parsed.IsValid);
        Assert.Equal(expected, parsed.Invocation.Kind.ToString());
    }

    [Fact]
    public void Parse_TestConnectRequiresExplicitAcknowledgementAndConfigArgument()
    {
        var withoutAcknowledgement = SmokeCommandLine.Parse(
            ["--test-connect", "--config", "C:\\safe\\playout.local.json"]);
        var complete = SmokeCommandLine.Parse(
        [
            "--test-connect",
            SmokeCommandLine.AcknowledgementFlag,
            "--config",
            "C:\\safe\\playout.local.json"
        ]);

        Assert.False(withoutAcknowledgement.IsValid);
        Assert.Equal("missing-acknowledgement", withoutAcknowledgement.ErrorCode);
        Assert.True(complete.IsValid);
        Assert.Equal(SmokeCommandKind.TestConnect, complete.Invocation.Kind);
    }

    [Fact]
    public void Parse_TestSequenceRequiresBothSceneCodesAndBoundedObservation()
    {
        var missingObservation = SmokeCommandLine.Parse(
        [
            "--test-sequence",
            SmokeCommandLine.AcknowledgementFlag,
            "--config",
            "C:\\safe\\playout.local.json",
            "--prepare",
            "5001",
            "--next",
            "5006"
        ]);
        var complete = SmokeCommandLine.Parse(
        [
            "--test-sequence",
            "--prepare",
            "5001",
            "--observe-ms",
            "1000",
            SmokeCommandLine.AcknowledgementFlag,
            "--next",
            "5006",
            "--config",
            "C:\\safe\\playout.local.json"
        ]);

        Assert.False(missingObservation.IsValid);
        Assert.Equal("missing-required-option", missingObservation.ErrorCode);
        Assert.True(complete.IsValid);
        Assert.Equal(1000, complete.Invocation.ObservationMilliseconds);
    }

    [Theory]
    [InlineData("999")]
    [InlineData("30001")]
    [InlineData("1.5")]
    [InlineData("secret")]
    public void Parse_RejectsUnboundedOrNonIntegralObservation(string value)
    {
        var parsed = ValidSequenceArguments(observation: value);

        Assert.False(parsed.IsValid);
        Assert.Equal("invalid-observation-duration", parsed.ErrorCode);
    }

    [Theory]
    [InlineData("../5001")]
    [InlineData("5001.t2s")]
    [InlineData("장면")]
    [InlineData("SCENE A")]
    public void Parse_RejectsUnsafeSceneCodesWithoutReflectingThem(string sceneCode)
    {
        var parsed = ValidSequenceArguments(prepare: sceneCode);

        Assert.False(parsed.IsValid);
        Assert.Equal("unsafe-scene-code", parsed.ErrorCode);
        Assert.DoesNotContain(sceneCode, parsed.ErrorCode, StringComparison.OrdinalIgnoreCase);
    }

    [Fact]
    public void Parse_TestConnectRejectsMutationOptions()
    {
        var parsed = SmokeCommandLine.Parse(
        [
            "--test-connect",
            SmokeCommandLine.AcknowledgementFlag,
            "--config",
            "C:\\safe\\playout.local.json",
            "--prepare",
            "5001"
        ]);

        Assert.False(parsed.IsValid);
        Assert.Equal("unknown-option", parsed.ErrorCode);
    }

    [Fact]
    public void Parse_TestSequenceRequiresTwoDistinctSceneCodes()
    {
        var parsed = SmokeCommandLine.Parse(
        [
            "--test-sequence",
            SmokeCommandLine.AcknowledgementFlag,
            "--config",
            "C:\\safe\\playout.local.json",
            "--prepare",
            "5001",
            "--next",
            "5001",
            "--observe-ms",
            "1000"
        ]);

        Assert.False(parsed.IsValid);
        Assert.Equal("duplicate-scene-code", parsed.ErrorCode);
    }

    [Fact]
    public void Parse_TestPlanUsesTheSameSequenceInputsButNeverImpliesExecution()
    {
        var parsed = SmokeCommandLine.Parse(
        [
            "--test-plan",
            SmokeCommandLine.AcknowledgementFlag,
            "--config",
            "C:\\safe\\playout.local.json",
            "--prepare",
            "5001",
            "--next",
            "5006",
            "--observe-ms",
            "5000"
        ]);

        Assert.True(parsed.IsValid);
        Assert.Equal(SmokeCommandKind.TestPlan, parsed.Invocation.Kind);
    }

    private static SmokeCommandParseResult ValidSequenceArguments(
        string prepare = "5001",
        string observation = "1000") =>
        SmokeCommandLine.Parse(
        [
            "--test-sequence",
            SmokeCommandLine.AcknowledgementFlag,
            "--config",
            "C:\\safe\\playout.local.json",
            "--prepare",
            prepare,
            "--next",
            "5006",
            "--observe-ms",
            observation
        ]);
}