using FluentAssertions;
using Marathon.Domain.Entities;
using Marathon.Domain.Enums;
using Marathon.Domain.ValueObjects;

namespace Marathon.Domain.Tests.Entities;

public sealed class AnomalyTests
{
    private static readonly Guid SampleId = Guid.NewGuid();
    private static readonly EventId SampleEventId = new("26456117");

    [Fact]
    public void Constructor_CreatesAnomaly_WhenAllParametersAreValid()
    {
        var anomaly = new Anomaly(
            SampleId,
            SampleEventId,
            DateTimeOffset.UtcNow,
            AnomalyKind.SuspensionFlip,
            0.85m,
            "{}");

        anomaly.Id.Should().Be(SampleId);
        anomaly.Score.Should().Be(0.85m);
    }

    [Fact]
    public void Constructor_ThrowsArgumentException_WhenIdIsEmptyGuid()
    {
        var act = () => new Anomaly(Guid.Empty, SampleEventId, DateTimeOffset.UtcNow,
            AnomalyKind.SuspensionFlip, 0.5m, "{}");
        act.Should().Throw<ArgumentException>().WithParameterName("Id");
    }

    [Theory]
    [InlineData(-0.01)]
    [InlineData(1.01)]
    [InlineData(2.0)]
    [InlineData(-1.0)]
    public void Constructor_ThrowsArgumentOutOfRangeException_WhenScoreIsOutOfRange(double score)
    {
        var act = () => new Anomaly(SampleId, SampleEventId, DateTimeOffset.UtcNow,
            AnomalyKind.SuspensionFlip, (decimal)score, "{}");
        act.Should().Throw<ArgumentOutOfRangeException>().WithParameterName("Score");
    }

    [Theory]
    [InlineData(0.0)]
    [InlineData(0.5)]
    [InlineData(1.0)]
    public void Constructor_CreatesAnomaly_WhenScoreIsInValidRange(double score)
    {
        var act = () => new Anomaly(SampleId, SampleEventId, DateTimeOffset.UtcNow,
            AnomalyKind.SuspensionFlip, (decimal)score, "{}");
        act.Should().NotThrow();
    }

    [Theory]
    [InlineData("")]
    [InlineData("  ")]
    public void Constructor_ThrowsArgumentException_WhenEvidenceJsonIsEmptyOrWhitespace(string evidence)
    {
        var act = () => new Anomaly(SampleId, SampleEventId, DateTimeOffset.UtcNow,
            AnomalyKind.SuspensionFlip, 0.5m, evidence);
        act.Should().Throw<ArgumentException>().WithParameterName("EvidenceJson");
    }
}