using System;
using System.IO;

public static class ShaftBreakLineClearanceTests
{
    public static int Main()
    {
        try
        {
            ShaftDrawerUsesClearanceAroundBreakLines("Cad", "ShaftRawFreeForgeRoundShaftDrawer.cs");
            ShaftDrawerUsesClearanceAroundBreakLines("Cad", "ShaftRawFreeForgeSquareShaftDrawer.cs");
            Console.WriteLine("Shaft break-line clearance tests passed.");
            return 0;
        }
        catch (Exception ex)
        {
            Console.Error.WriteLine(ex.Message);
            return 1;
        }
    }

    private static void ShaftDrawerUsesClearanceAroundBreakLines(params string[] pathParts)
    {
        var sourcePath = Path.Combine(pathParts);
        var source = File.ReadAllText(sourcePath);

        if (!source.Contains("FeatureDrivenDrawer.GetSBreakLineXAtY("))
        {
            throw new InvalidOperationException(sourcePath + ": shaft break gaps must calculate the exact S break-line intersection at each horizontal line Y.");
        }

        if (source.Contains("xBreak - breakClearance") ||
            source.Contains("xBreak + breakWidth + breakClearance"))
        {
            throw new InvalidOperationException(sourcePath + ": shaft break gaps must not use fixed clearance offsets.");
        }
    }
}