using System;
using System.IO;

public static class RingMachinedRollingBreakLineStyleTests
{
    public static int Main()
    {
        try
        {
            BreakLinesUseReferenceStyle(3.0, "Cad", "RingMachinedRollingDrawer.cs");
            BreakLinesUseReferenceStyle(3.0, "Cad", "RingRawRollingDrawer.cs");
            BreakLinesUseReferenceStyle(3.0, "Cad", "ShaftRawFreeForgeRoundShaftDrawer.cs");
            BreakLinesUseReferenceStyle(3.0, "Cad", "ShaftRawFreeForgeSquareShaftDrawer.cs");
            RingRollingHasLeftCutExtension("Cad", "RingMachinedRollingDrawer.cs");
            RingRollingHasLeftCutExtension("Cad", "RingRawRollingDrawer.cs");
            RingRollingHorizontalLinesBreakAtCut("Cad", "RingMachinedRollingDrawer.cs");
            RingRollingHorizontalLinesBreakAtCut("Cad", "RingRawRollingDrawer.cs");
            RingRollingBottomDimensionsStartAtLeftExtension("Cad", "RingMachinedRollingDrawer.cs");
            RingRollingBottomDimensionsStartAtLeftExtension("Cad", "RingRawRollingDrawer.cs");
            BreakLineStyleUsesThreeShortDashLinetype();
            Console.WriteLine("Break-line style tests passed.");
            return 0;
        }
        catch (Exception ex)
        {
            Console.Error.WriteLine(ex.Message);
            return 1;
        }
    }

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

        var first = source.IndexOf("line1.LinetypeScale = 5.0;", StringComparison.Ordinal);
        var second = source.IndexOf("line2.LinetypeScale = 5.0;", StringComparison.Ordinal);
        if (first < 0 || second < 0)
        {
            throw new InvalidOperationException(sourcePath + ": both break lines must explicitly use linetype scale 5.0.");
        }

        if (source.Contains("line3.LinetypeScale = 5.0;"))
        {
            throw new InvalidOperationException(sourcePath + ": break must remain two geometric lines; do not add a third line.");
        }

        var spacingText = "const double lineSpacing = " + expectedSpacing.ToString("0.0", System.Globalization.CultureInfo.InvariantCulture) + ";";
        if (!source.Contains(spacingText))
        {
            throw new InvalidOperationException(sourcePath + ": break-line spacing must be " + expectedSpacing.ToString("0.0", System.Globalization.CultureInfo.InvariantCulture) + ".");
        }
    }

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

        if (!source.Contains("const double leftExtension = 10.0;"))
        {
            throw new InvalidOperationException(sourcePath + ": left cut horizontal lines must extend left by 10.");
        }

        if (!source.Contains("DrawingStyleManager.Role.Centerline") || !source.Contains("centerLine.LinetypeScale = 8.0;"))
        {
            throw new InvalidOperationException(sourcePath + ": left cut must add a centerline with linetype scale 8.0.");
        }
    }

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

        if (!source.Contains("DrawOutlineLine(ctx, xLeft, oy, xBreakLeft, oy);") ||
            !source.Contains("DrawOutlineLine(ctx, ox, oy, xRight, oy);") ||
            !source.Contains("DrawOutlineLine(ctx, xRight, yTop, ox, yTop);") ||
            !source.Contains("DrawOutlineLine(ctx, xBreakLeft, yTop, xLeft, yTop);"))
        {
            throw new InvalidOperationException(sourcePath + ": ordinary outline must leave a gap between the two break lines.");
        }

        if (!source.Contains("DrawOutlineLine(ctx, xLeft, yBottom, xAxis - lineSpacing, yBottom);") ||
            !source.Contains("DrawOutlineLine(ctx, xAxis, yBottom, xTarget, yBottom);") ||
            !source.Contains("DrawOutlineLine(ctx, xLeft, yTop, xAxis - lineSpacing, yTop);") ||
            !source.Contains("DrawOutlineLine(ctx, xAxis, yTop, xTarget, yTop);"))
        {
            throw new InvalidOperationException(sourcePath + ": fillet horizontal lines must leave a gap between the two break lines.");
        }
    }

    private static void BreakLineStyleUsesThreeShortDashLinetype()
    {
        var sourcePath = Path.Combine("Cad", "DrawingStyleManager.cs");
        var source = File.ReadAllText(sourcePath);

        if (!source.Contains("BreakLineLinetypeName = \"BREAK_THREE_SHORT_V2\"") ||
            !source.Contains("DefaultLinetypeName = BreakLineLinetypeName") ||
            !source.Contains("ent.Linetype = BreakLineLinetypeName") ||
            !source.Contains("NumDashes = 8") ||
            !source.Contains("record.SetDashLengthAt(7, -0.18);"))
        {
            throw new InvalidOperationException(sourcePath + ": BreakLine must use the custom long plus three short dashes linetype.");
        }
    }

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

        if (!source.Contains("new Point3d(xLeft, oy, 0)") ||
            !source.Contains("new Point3d((xLeft + ox + radius) / 2.0, oy - 25, 0)") ||
            !source.Contains("new Point3d(xLeft, yBottom, 0)") ||
            !source.Contains("new Point3d((xLeft + xInnerRight) / 2.0, dimLineY, 0)"))
        {
            throw new InvalidOperationException(sourcePath + ": bottom dimensions must start from the left extension.");
        }
    }
}