using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel;
using System.Collections.ObjectModel;
using System.Windows.Media;


namespace BuzzGUI.Interfaces
{
	public enum BuzzView { PatternView, MachineView, SequenceView, WaveTableView, SongInfoView };
	public enum BuzzCommand { NewFile, OpenFile, SaveFile, Cut, Copy, Paste, Undo, Redo, Stop };

	public interface IBuzz : INotifyPropertyChanged
	{
		ISong Song { get; }
		BuzzView ActiveView { get; set; }
		
		double MasterVolume { get; set; }
		Tuple<double, double> VUMeterLevel { get; }
		
		int BPM { get; set; }
		int TPB { get; set; }
		int Speed { get; set; }

		bool Playing { get; set; }
		bool Recording { get; set; }
		bool Looping { get; set; }
		bool AudioDeviceDisabled { get; set; }

		ReadOnlyCollection<string> MIDIControllers { get; }
		IIndex<string, Color> ThemeColors { get; }
		IMenuItem MachineIndex { get; }

		IMachine MIDIFocusMachine { get; set; }
		bool MIDIFocusLocked { get; set; }
		bool MIDIActivity { get; }

		void ExecuteCommand(BuzzCommand cmd);
		bool CanExecuteCommand(BuzzCommand cmd);

		event Action<IOpenSong> OpenSong;
		event Action<ISaveSong> SaveSong;

		void DCWriteLine(string s);

		void ActivatePatternEditor();
		void SetPatternEditorMachine(IMachine m);
		void SetPatternEditorPattern(IPattern p);
	}

}