ARR_NOTE=["C","C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"]
ARR_NOTE_LATIN=["Do","Do#", "Ré", "Ré#", "Mi", "Fa", "Fa#", "Sol", "Sol#", "La", "La#", "Si"]


NOTES={
    "C" : 0,
    "C#" : 1,
    "Db" : 1,
    "D" : 2,
    "D#" : 3,
    "Eb" : 3,
    "E" : 4,
    "F" : 5,
    "F#" : 6,
    "Gb" : 6,
    "G" : 7,
    "G#" : 8,
    "Ab" : 8,
    "A" : 9,
    "A#" : 10,
    "Bb" : 10,
    "B" : 11
}
NOTES_LATIN={
    "Do" : 0,
    "Do#" : 1,
    "Réb" : 1,
    "Ré" : 2,
    "Ré#" : 3,
    "Mib" : 3,
    "Mi" : 4,
    "Fa" : 5,
    "Fa#" : 6,
    "Solb" : 6,
    "Sol" : 7,
    "Sol#" : 8,
    "Lab" : 8,
    "La" : 9,
    "La#" : 10,
    "Sib" : 10,
    "Si" : 11
}
__C0_START=12

class NoteAngloSaxon:
    C = 0
    Cd = 1
    Db = 1
    D = 2
    Dd = 3
    Eb = 3
    E = 4
    F = 5
    Fd = 6
    Gb = 6
    G = 7
    Gd = 8
    Ab = 8
    A = 9
    Ad = 10
    Bb = 10
    B = 11

class Note:
    @staticmethod
    def _parse(s, system):
        octave=4
        note=""
        i=0
        l=len(s)
        while i<l and s[i] in ("abcdefgABCDEFG#"):
            note+=s[i]
            i+=1
        while i<l and not s[i] in ("0123456789"): i+=1
        octave=int(s[i])
        note=note[0].upper()+note[1:]
        return 12+12*octave+system[note]

    @staticmethod
    def parse_latin(s):
        return Note._parse(s, NOTES_LATIN)

    @staticmethod
    def parse(s):
        return Note._parse(s, NOTES)

    @staticmethod
    def to_str(n):
        n-=12
        return ARR_NOTE[n%12]+str(int(n/12))

    @staticmethod
    def to_str_latin(n):
        n-=12
        return ARR_NOTE_LATIN[n%12]+str(int(n/12))

    @staticmethod
    def get_octave(n):
        n-=12
        return int(n/12)

    @staticmethod
    def get_note_str(n):
        n-=12
        return ARR_NOTE[n%12]

    @staticmethod
    def get_note(n):
        n-=12
        return n%12


class Gamme:

    def __init__(self, range, length=12):
        self.range=range
        self.length=length

MAJEUR=Gamme([])


GAMME_CHROMATIQUE=[0,1,2,3,4,5,6,7,8,9,10,11]
GAMME_MAJEUR=[NoteAngloSaxon.C, NoteAngloSaxon.D, NoteAngloSaxon.E, NoteAngloSaxon.F, NoteAngloSaxon.G,
             NoteAngloSaxon.A, NoteAngloSaxon.B]

GAMME_MINEUR_NATURELLE=[NoteAngloSaxon.C, NoteAngloSaxon.D, NoteAngloSaxon.Eb, NoteAngloSaxon.F, NoteAngloSaxon.G,
             NoteAngloSaxon.Ab, NoteAngloSaxon.Bb]

GAMME_MINEUR_HARMONIQUE=[NoteAngloSaxon.C, NoteAngloSaxon.D, NoteAngloSaxon.Eb, NoteAngloSaxon.F, NoteAngloSaxon.G,
             NoteAngloSaxon.Ab, NoteAngloSaxon.B]

GAMME_MINEUR_MELODIQUE=[NoteAngloSaxon.C, NoteAngloSaxon.D, NoteAngloSaxon.Eb, NoteAngloSaxon.F, NoteAngloSaxon.G,
             NoteAngloSaxon.Ab, NoteAngloSaxon.B]