using StellaOps.Policy.Engine.TrustWeighting;

namespace StellaOps.Policy.Engine.Tests;

public sealed class TrustWeightingServiceTests
{
    [Fact]
    public void Get_ReturnsDefaultsWithHash()
    {
        var service = new TrustWeightingService(TimeProvider.System);

        var profile = service.Get();

        Assert.NotEmpty(profile.Weights);
        Assert.False(string.IsNullOrWhiteSpace(profile.ProfileHash));
    }

    [Fact]
    public void Set_NormalizesOrderingAndScale()
    {
        var service = new TrustWeightingService(TimeProvider.System);
        var now = TimeProvider.System.GetUtcNow().ToString("O");

        var profile = service.Set(new[]
        {
            new TrustWeightingEntry("Scanner", 1.2345m, "   hi ", now),
            new TrustWeightingEntry("cartographer", 0.9999m, null, now)
        });

        Assert.Equal(2, profile.Weights.Count);
        Assert.Equal("cartographer", profile.Weights[0].Source);
        Assert.Equal(0.999m, profile.Weights[0].Weight);
        Assert.Equal(1.234m, profile.Weights[1].Weight);
        Assert.False(string.IsNullOrWhiteSpace(profile.ProfileHash));
    }
}