#ifndef _MUSIC_PROGRESSION_HPP_
#define _MUSIC_PROGRESSION_HPP_
#ifndef _COMMON_BLOCK_HPP_
#include <common/block.hpp>
#endif
#ifndef _MUSIC_CHORD_HPP_
#include <music/chord.hpp>
#endif
#ifndef _MUSIC_SCALES_HPP_
#include <music/scales.hpp>
#endif

namespace Music
{
class Progression : public Block<Chord>
{
public:
  typedef enum ProgressionType{PII_V_I,PV_V,PI_VI_II_V,PIII_VI_II_V};
  void createProgression(ProgressionType progressionType,const Note &rootNote);
  void play(MIDIOutputDevice &midiOut);
private:
  void handleIII_VI_II_V(const Note &rootNote);
  void handleII_V_I(const Note &rootNote);
  void handleI_VI_II_V(const Note &rootNote);
	void handleV_V(const Note &rootNote);
};

void Progression::createProgression(ProgressionType progressionType,const Note &rootNote)
{
  remove();
	switch(progressionType)
	{
	  case PII_V_I :
		  handleII_V_I(rootNote);
			break;
		case PV_V :
		  handleV_V(rootNote);
			break;
		case PI_VI_II_V :
		  handleI_VI_II_V(rootNote);
			break;
		case PIII_VI_II_V :
		  handleIII_VI_II_V(rootNote);
			break;
	}  
}

inline
void Progression::handleII_V_I(const Note &rootNote)
{
  LydianScale lydianScale;
	MixolydianScale mixolydianScale;
	DorianScale dorianScale;

  lydianScale.setRoot(rootNote);
	dorianScale.setRoot(rootNote.getSecond());
	mixolydianScale.setRoot(rootNote.getFifth());
  insert(&dorianScale.getI7Chord());      // insert the minor7/II chord
	insert(&mixolydianScale.getI7Chord());  // insert the dominant/V chord
	insert(&lydianScale.getI7Chord());      // insert the maj7th/I chord
}


inline
void Progression::handleI_VI_II_V(const Note &rootNote)
{
  LydianScale lydianScale;
	MixolydianScale mixolydianScale;
	DorianScale dorianScale;

  lydianScale.setRoot(rootNote);
  mixolydianScale.setRoot(rootNote.getSixth());
	dorianScale.setRoot(rootNote.getSecond());
	insert(&lydianScale.getI7Chord());
	insert(&mixolydianScale.getI7Chord());
	insert(&dorianScale.getI7Chord());
  mixolydianScale.setRoot(rootNote.getFifth());
	insert(&mixolydianScale.getI7Chord());
}

inline
void Progression::handleIII_VI_II_V(const Note &rootNote)
{
  DorianScale dorianScale;
	PhrygianScale phrygianScale;
	MixolydianScale mixolydianScale;
	phrygianScale.setRoot(rootNote.getThird());
	insert(&phrygianScale.getI7Chord());
	mixolydianScale.setRoot(rootNote.getSixth());
	insert(&mixolydianScale.getI7Chord());
  dorianScale.setRoot(rootNote.getSecond());
	insert(&dorianScale.getI7Chord());
	mixolydianScale.setRoot(rootNote.getFifth());
	insert(&mixolydianScale.getI7Chord());
}

inline
void Progression::handleV_V(const Note &rootNote)
{
	MixolydianScale mixolydianScale;
	mixolydianScale.setRoot(rootNote.getFifth());
	insert(&mixolydianScale.getI7Chord());   // insert the dominant7/V chord
	mixolydianScale.setRoot(rootNote);
  insert(&mixolydianScale.getI7Chord());   // insert the dominant7/I chord
}

inline
void Progression::play(MIDIOutputDevice &midiOut)
{
	for(int index=0;index<size();index++)
	{
	  operator[](index).play(midiOut);
		::OutputDebugString(operator[](index).toString()+String("\n"));
		::Sleep(750);
	}
}
};
#endif