from django.db import models
from datetime import datetime
from django.db import models
from django import forms
from django.forms import ModelForm
from django.db.models.signals import post_save
import os


SOUNDTYPE_STATUS = (
    (0, 'Waveform'),
    (1, 'Spectrum'),
)

#COLOR_STATUS = (
#    (1, 'Black'),
#    (2, 'Blue'),
#    (3, 'Red'),
#    (4, 'Orange'),
#    (5, 'Green'),
#    (6, 'Brown'),
#    (7, 'Purple'),
#    (8, 'White'),
#    (9, 'Cyan'),
#    (10, 'Beige'),
#)
COLOR_STATUS = (
    (1, 1),
    (2, 2),
    (3, 3),
    (4, 4),
    (5, 5),
    (6, 6),
    (7, 7),
    (8, 8),
    (9, 9),
   (10,10),
)

class NewSoundmodel(models.Model):

    waveform =  models.ImageField(upload_to="audio/%Y%m%d/%H%m%S", null=True, blank=True)
    spectrum = models.ImageField(upload_to="audio/%Y%m%d/%H%m%S",null=True, blank=True)

# Create your models here.
class Soundmodel(models.Model):
    audiofile = models.FileField(upload_to="audio/%Y%m%d/%H%m%S")
    comment = models.CharField("comment", max_length=512, blank=True, null=True)

    comment = models.CharField("comment", max_length=512, blank=True, null=True)
    time_of_save = models.DateTimeField("Date & Time of Save", default=datetime.now()) #, auto_now=True)
    view_type = models.IntegerField(choices=SOUNDTYPE_STATUS, blank=True, null=True)
    sound_color = models.IntegerField(choices=COLOR_STATUS, blank=True,null=True)
    def __unicode__(self):
        return str(self.audiofile)

class SoundForm(ModelForm):
        class Meta:
		model = Soundmodel
		exclude = ['waveform','spectrum','time_of_save']

class NewSoundForm(ModelForm):
        class Meta:
		model = NewSoundmodel


def SoundSaveAfter_Handler(sender, instance, **kwargs):
     print "got to new save!"

     sm = NewSoundmodel()
     print 'sc=' + str(instance.sound_color)
     ws = os.path.join(os.path.dirname(__file__), 'wavescripts')
     #st_audio = os.path.join(os.path.dirname(__file__), 'static\\audio\\')
     os.system('python '+ ws +'\\wav2png.py -c ' + str(instance.sound_color) + ' -h 171 ' +  str(instance.audiofile.url))
     #p = Popen("python" + " wav2png.py -c " + str(instance.sound_color) + " -h 171 " + str(instance.audiofile.url), shell=True)
#     sts = os.waitpid(p.pid, 0)[1]

     sm.id= instance.id
     sm.waveform     = str(instance.audiofile.url)  + "_w.png"
     sm.spectrum     = str(instance.audiofile.url)  + "_s.jpg"
     sm.save()

post_save.connect(SoundSaveAfter_Handler, sender = Soundmodel)