using Junction.App.ViewModels;
using Xunit;

namespace Junction.Tests.Unit
{
    /// <summary>
    /// Data-level tests for the culture-invariant numeric parse that decides whether a datum can
    /// feed the trend sparkline. Pure static helper — no Avalonia platform required.
    /// </summary>
    public class DataItemRowViewModelTests
    {
        [Theory]
        [InlineData("12.5", 12.5)]
        [InlineData(" 3 ", 3)]
        [InlineData("1000", 1000)]
        [InlineData("-4.25", -4.25)]
        public void TryParseNumeric_Numeric_ReturnsTrueWithInvariantValue(string input, double expected)
        {
            var ok = DataItemRowViewModel.TryParseNumeric(input, out var result);

            Assert.True(ok);
            Assert.Equal(expected, result);
        }

        [Theory]
        [InlineData("")]
        [InlineData("   ")]
        [InlineData("abc")]
        [InlineData("ON")]
        [InlineData("AVAILABLE")]
        [InlineData(null)]
        public void TryParseNumeric_NonNumeric_ReturnsFalse(string? input)
        {
            var ok = DataItemRowViewModel.TryParseNumeric(input, out _);

            Assert.False(ok);
        }
    }
}