from django.db import models
from django.contrib.auth.models import User
from django.utils.translation import ugettext as _

import os

INSTRUMENTS = (
    ('TR', _('Trumpet')),
    ('TRB', _('Trombone')),
    ('HRN', _('Horn')),
    ('TUBA', _('Tuba'))
)


def musicianPictureName(musician, originalName):
    fileExtension = os.path.splitext(originalName)[1]
    return "user_images/" + musician.user.username + fileExtension


def musicianSmallPictureName(musician, originalName):
    fileExtension = os.path.splitext(originalName)[1]
    return "user_images/" + musician.user.username + "_thumb" + fileExtension


class Musician(models.Model):
    # Link to user object, contains first name and last name
    user = models.OneToOneField(User, verbose_name=_("user"), on_delete=models.CASCADE)

    image = models.ImageField(upload_to=musicianPictureName, verbose_name=_("image"))
    small_image = models.ImageField(upload_to=musicianSmallPictureName, verbose_name=_("circular thumbnail"))

    # Properties
    instrument = models.CharField(max_length=4, choices=INSTRUMENTS, blank=True, verbose_name=_("instrument"))

    birthday = models.DateField(null=True, verbose_name=_("birthday"))

    street = models.CharField(max_length=80, blank=True, verbose_name=_("street"))
    city = models.CharField(max_length=40, blank=True, verbose_name=_("city"))
    zip_code = models.IntegerField(null=True, verbose_name=_("zip_code"))

    phone_home = models.CharField(max_length=18, blank=True, verbose_name=_("phone_home"))
    phone_mobile = models.CharField(max_length=18, blank=True, verbose_name=_("phone_mobile"))
    phone_work = models.CharField(max_length=18, blank=True, verbose_name=_("phone_work"))

    position = models.IntegerField(null=True, verbose_name=_("Position"))

    public_description = models.TextField(blank=True, verbose_name=_("public_description"))

    @property
    def isDeepBrass(self):
        return self.instrument == 'TRB' or self.instrument == "EUPH" or self.instrument == "TUBA" or self.instrument == "HRN"

    @property
    def isHighBrass(self):
        return self.instrument == 'TR'

    def __unicode__(self):
        return self.user.username