using FluentAssertions;

public class SirsEvaluatorTests
{
    [Theory]
    [InlineData("TEMP_C",     38.4,  true)]   // fever
    [InlineData("TEMP_C",     35.9,  true)]   // hypothermia
    [InlineData("TEMP_C",     37.0,  false)]  // normal
    [InlineData("HEART_RATE", 91,    true)]
    [InlineData("HEART_RATE", 90,    false)]  // boundary: 90 is NOT tachycardia (> not >=)
    [InlineData("RESP_RATE",  21,    true)]
    [InlineData("RESP_RATE",  20,    false)]  // boundary
    [InlineData("WBC_K_UL",   12.1,  true)]   // leukocytosis
    [InlineData("WBC_K_UL",   3.9,   true)]   // leukopenia
    [InlineData("WBC_K_UL",   8.0,   false)]  // normal
    [InlineData("POTASSIUM_MEQ_L", 4.0, false)] // not a SIRS code
    public void MeetsCriterion_ReturnsExpected(string code, double value, bool expected)
    {
        SirsEvaluator.MeetsCriterion(code, (decimal)value).Should().Be(expected);
    }

    [Fact]
    public void AllCriterionKeys_ReturnsFourKeys_AllDistinct()
    {
        var id = Guid.NewGuid();
        var keys = SirsEvaluator.AllCriterionKeys(id);
        keys.Should().HaveCount(4);
        keys.Select(k => k.ToString()).Should().OnlyHaveUniqueItems();
    }
}