public void Generate(string mdDirectoryPath, string newDirectoryPath = null, string attachementsPath = null)
{
SourceTree = FileTree.GetTree(mdDirectoryPath, ".*\\.md|\\.order", new string[] { ".git", ".attachments" });
string newDir = newDirectoryPath ?? $"{SourceTree.Path}_html";
Console.WriteLine($"Generating html wiki from {mdDirectoryPath} into {newDir}");
Crawl(SourceTree, newDir);
Console.WriteLine($"Generating navigation and index page");
string homeHtml = File.Exists($"{newDir}\\Home.html") ? File.ReadAllText($"{newDir}\\Home.html") : File.ReadAllText(Directory.GetFiles(newDir).FirstOrDefault(f => !f.StartsWith("index")));
File.WriteAllText($"{newDir}\\index.html", new Index(GenerateNavigation(SourceTree, newDir).ToString(), "Wiki", homeHtml).Html);
var attachmementsSource = attachementsPath ?? $"{mdDirectoryPath}\\.attachments";
var attachmementsTarget = $"{newDir}\\.attachments";
CopyFilesRecursively(new DirectoryInfo(attachmementsSource), new DirectoryInfo(attachmementsTarget));
}