#include <music/scale.hpp>

Music::Chord Scale::getIChord(void)const
{
  Music::Chord iChord;
	iChord.size(3);
	iChord[0]=((Notes&)*this).operator[](0);
	iChord[1]=((Notes&)*this).operator[](2);
	iChord[2]=((Notes&)*this).operator[](4);
	return iChord;
}

Music::Chord Scale::getI7Chord(void)const
{
  Music::Chord iChord;
	iChord.size(4);
	iChord[0]=((Notes&)*this).operator[](0);
	iChord[1]=((Notes&)*this).operator[](2);
	iChord[2]=((Notes&)*this).operator[](4);
	iChord[3]=size()<7?iChord[0]:((Notes&)*this).operator[](6);
	return iChord;
}

Music::Chord Scale::getIVChord(void)const
{
  Music::Chord ivChord;
	ivChord.size(3);
	ivChord[0]=((Notes&)*this).operator[](0);
	ivChord[1]=((Notes&)*this).operator[](3);
	ivChord[2]=((Notes&)*this).operator[](5);
	return ivChord;
}

Music::Chord Scale::getV7Chord(void)const
{
  Music::Chord v7Chord;
	v7Chord.size(3);
	v7Chord[0]=((Notes&)*this).operator[](3);
	v7Chord[1]=((Notes&)*this).operator[](4);
	Note note(((Notes&)*this).operator[](0));
	note--;
	v7Chord[2]=note;
	return v7Chord;
}

Degree Scale::getDegree(const Note &note)
{
  for(int index=0;index<size();index++)
	{
    if(operator[](index).getNote()==note.getNote())
		{
		  return Degree((Degree::Interval)index);
		}
	}
	return Degree::None;
}

bool Scale::contains(const Notes &notes)const
{
  bool found=false;
  for(int noteIndex=0;noteIndex<notes.size();noteIndex++)
	{
	  Note &currNote=((Notes &)notes)[noteIndex];
		found=false;
    for(int index=0;index<size();index++)
	  {
		  if(currNote==((Notes &)(*this))[index])
			{
			  found=true;
				break;
			}
	  }  
		if(!found)return false;
	}
	return true;
}