from django.db import models
from django.utils.translation import gettext_lazy as _
from django.urls import reverse
from users.models import Base_User
import users
from django.conf import settings
from django.template.defaultfilters import slugify
from django import template

register = template.Library()

STATUS = (
    ('Active',_('Active offer')),
    ('Inactive',_('Inactive offer')),
    ('Verification',_('Waiting for verication')),
    ('Blocked',_('Blocked Offer')),
)

DMC_Value = (
  ('B',_('Do 3.5 tony.')),
  ('C',_('Między 3.5 a 7.5 tony')),
  ('C1',_('Powyzej 7.5 tony')),
)

COOKER_Option = (
    ('Elecric',_('Kuchenka elektryczna')),
    ('Gas',_('Kuchenka gazowa')),
    ('None',_('Brak')),
)

GEARBOX_Option = (
    ('Manual',_('Skrzynia manualna')),
    ('Automat',_('Skrzynia automatyczna')),
)


class Offer_Category(models.Model):
    id = models.AutoField(primary_key= True)
    name = models.CharField(max_length=50)

    class Meta:
        verbose_name = 'Category'
        verbose_name_plural = 'Categories'

    def __str__(self):
        return self.name

class Offer(models.Model):
    id = models.AutoField(primary_key= True)
    created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
    date_added = models.DateTimeField(auto_now_add=True)
    status = models.CharField(max_length=32, choices=STATUS, default='Inactive')
    
    title = models.CharField(_("Title"), max_length=50,default='Tytuł oferty')
    slug = models.SlugField(max_length=70, editable = False,default='' , unique=True,)
    description = models.TextField(max_length = 1000,default = '')

    category = models.ForeignKey(Offer_Category ,default= None,on_delete= models.CASCADE)
    price = models.DecimalField(max_digits=10, decimal_places=2)
    DMC = models.CharField(max_length=32, choices=DMC_Value, default='B')
    Places_to_sleep = models.IntegerField(default=2)

    cooker = models.CharField(max_length = 32, choices=COOKER_Option, default='None')
    fridge = models.BooleanField(default=False)
    microwave = models.BooleanField(default= False)
    Webasto = models.BooleanField(default=False)
    auto_temp_control = models.BooleanField(default= False)
    water_level_indicator = models.BooleanField(default=False)
    battery_level = models.BooleanField(default=False)
    photovoltaic_panels = models.BooleanField(default=False)

    gearbox = models.CharField(max_length=32, choices=GEARBOX_Option,default='Manual')
    tempomat = models.BooleanField(default=False)

    class Meta:
        verbose_name = 'Offer'
        verbose_name_plural = 'Offers'

    def __str__(self):
        return self.title

    def save(self,*args,**kwargs):
       super(Offer, self).save(*args,**kwargs)    
       self.slug = slugify(f'{self.title}-{self.id}')
       return super(Offer, self).save(*args, **kwargs)

    def get_absolute_url(self):
        return reverse('offer_detail', kwargs = {'slug': self.slug })


def _upload_path(instance,filename):
    return instance.get_upload_path(filename)    

class Image_offer(models.Model):
    offer = models.ForeignKey("Offer", verbose_name="", on_delete = models.CASCADE, default=None, related_name='images')
    image = models.ImageField(upload_to=_upload_path, null = False, blank = False)
    main_image = models.BooleanField(default= False)

    def get_upload_path(self,filename):
        return "uploads/offer-images"+ "/" + 'id-'+str(self.offer.id) + "/" +filename
        
    def delete(self,*args,**kwargs):
        self.image.delete()
        return super(Image_offer,self).save(*args,**kwargs)
        
class Favourite_Offers(models.Model):
    user = models.ForeignKey('users.Base_User', on_delete=models.CASCADE,)
    offer = models.ForeignKey('Offer', on_delete=models.SET_NULL, null = True)
    timestap = models.DateTimeField(auto_now_add=True, db_index=True)