using Kompas.Mcp.Core.Drawings;

namespace Kompas.Mcp.Tests;

[Trait("Category", "Unit")]
public sealed class DrawingValidationTests
{
    [Theory]
    [InlineData(null)]
    [InlineData("")]
    [InlineData("   ")]
    public void NormalizeModelPath_throws_on_empty(string? path)
        => Assert.Throws<ArgumentException>(() => DrawingValidation.NormalizeModelPath(path));

    [Theory]
    [InlineData(@"C:\m\part.step")]
    [InlineData(@"C:\m\part.txt")]
    [InlineData(@"C:\m\part")]
    public void NormalizeModelPath_throws_on_wrong_extension(string path)
        => Assert.Throws<ArgumentException>(() => DrawingValidation.NormalizeModelPath(path));

    [Theory]
    [InlineData(@"C:\m\part.m3d", ".m3d")]
    [InlineData(@"C:\m\frame.a3d", ".a3d")]
    [InlineData(@"  C:\m\part.M3D  ", ".m3d")]
    [InlineData(@"C:\модели\деталь.m3d", ".m3d")]   // кириллица в пути
    public void NormalizeModelPath_accepts_model_files(string path, string expectedExt)
    {
        var result = DrawingValidation.NormalizeModelPath(path);
        Assert.True(Path.IsPathFullyQualified(result));
        Assert.EndsWith(expectedExt, result, StringComparison.OrdinalIgnoreCase);
    }

    [Fact]
    public void NormalizeModelPath_preserves_cyrillic()
    {
        var result = DrawingValidation.NormalizeModelPath(@"C:\модели\деталь.m3d");
        Assert.Contains("деталь", result);
        Assert.Contains("модели", result);
    }

    [Theory]
    [InlineData(0)]
    [InlineData(-1)]
    [InlineData(double.NaN)]
    [InlineData(double.PositiveInfinity)]
    public void RequireScale_throws_on_non_positive_or_non_finite(double scale)
        => Assert.Throws<ArgumentOutOfRangeException>(() => DrawingValidation.RequireScale(scale));

    [Theory]
    [InlineData(1.0)]
    [InlineData(0.5)]
    [InlineData(2.0)]
    public void RequireScale_accepts_positive(double scale)
        => Assert.Null(Record.Exception(() => DrawingValidation.RequireScale(scale)));
}