using System;
using System.Linq;
using System.Xml;
using Melanchall.DryWetMidi.Smf;
using Melanchall.DryWetMidi.Smf.Interaction;

namespace MusicBoxConverter
{
	public class MusicBoxScoreGenerator
	{
		public float horizontalScaleFactor = 0.1f;
		public float verticalScaleFactor = 4f;

		MidiFile midiFile;
		
		public MusicBoxScoreGenerator(string filename)
		{
			midiFile = MidiFile.Read("/home/sbrl/Music/Sheets/HappyBirthday.midi");
		}

		public void Output(string destinationFilename)
		{
			SvgWriter svg = new SvgWriter(destinationFilename);

			foreach(TrackChunk chunk in midiFile.Chunks.OfType<TrackChunk>())
			{
				using(NotesManager notesManager = new NotesManager(chunk.Events))
				{
					foreach(Note note in notesManager.Notes)
					{
						Console.WriteLine("[{0}] {1}/{2}", note.Time, note.NoteName, note.NoteNumber);
						svg.WriteCircle(
							(int)(note.Time * horizontalScaleFactor),
							(int)(note.NoteNumber * verticalScaleFactor),
							5
						);
					}
				}
			}

			svg.Complete();
		}

	}
}