import cmark._

var level = -1
def onNode(eventType: EventType, node: Ptr[Node]): Unit = {
  eventType match {
    case EventType.Enter => level += 1
    case EventType.Exit  => level -= 1
  }

  val levelStr = "  " * level
  val startLine = Node.getStartLine(node)
  val endLine   = Node.getEndLine(node)

  Node.getType(node) match {
    case NodeType.Text =>
      val text = fromCString(Node.getLiteral(node))
      println(s"${levelStr}text node @ line $startLine-$endLine: $text")

    case _ =>
      val nodeTypeStr = fromCString(Node.getTypeString(node))
      println(s"$levelStr$nodeTypeStr node @ $startLine-$endLine")
  }
}

val test =
  """# Chapter
    |## Section
    |### Sub-section
    |
    |Hello World from *cmark-scala*!
  """.stripMargin

println("cmark version: " + fromCString(cmark.versionString()))
println()

val docNode = Parser.parseDocument(
  toCString(test), test.length, Options.SourcePosition)
val iter = Iter.create(docNode)
var evType = Iter.next(iter)
while (evType != EventType.Done) {
  onNode(evType, Iter.getNode(iter))
  evType = Iter.next(iter)
}
Iter.free(iter)

val html = fromCString(Render.html(docNode, Options.Default))
println()
println(html)

Node.free(docNode)

libraryDependencies += "tech.sparse" %%  "cmark-scala" % "0.1.0-SNAPSHOT"