using System;
using System.IO;

public static class ShaftRightTopRadiusLeaderTests
{
    public static int Main()
    {
        try
        {
            ShaftDrawersDoNotDrawRightTopRadiusLeader("Cad", "ShaftRawFreeForgeRoundShaftDrawer.cs");
            ShaftDrawersDoNotDrawRightTopRadiusLeader("Cad", "ShaftRawFreeForgeSquareShaftDrawer.cs");
            Console.WriteLine("Shaft right-top radius leader tests passed.");
            return 0;
        }
        catch (Exception ex)
        {
            Console.Error.WriteLine(ex.Message);
            return 1;
        }
    }

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

        if (!source.Contains("private static void DrawHeadFilletRadiusLeader"))
        {
            throw new InvalidOperationException(sourcePath + ": radius leader helper should remain available for local history and narrow changes.");
        }

        var helperStart = source.IndexOf("private static void DrawHeadFilletRadiusLeader", StringComparison.Ordinal);
        var mainFlow = source.Substring(0, helperStart);

        if (mainFlow.Contains("DrawHeadFilletRadiusLeader(ctx,"))
        {
            throw new InvalidOperationException(sourcePath + ": shaft templates must not draw the right-top R radius leader.");
        }
    }
}