class Element(TimeStampedModel):
    thumb = models.ImageField(default=None, null=True, blank=True)
    type = models.CharField(choices=TEXTURE_TYPES, max_length=50)
    texture = models.ForeignKey(
        "scenes.Texture", on_delete=models.CASCADE, related_name="elements", null=True
    )
    shade = models.ManyToManyField("scenes.Shade", help_text="Odcień")
    wood = models.ForeignKey(
        "scenes.Wood", on_delete=models.CASCADE, help_text="Rodzaj drewna"
    )
    abrasion = models.ForeignKey(
        "scenes.Abrasion",
        on_delete=models.CASCADE,
        null=True,
        help_text="Klasy ścieralności",
    )
    pattern = models.ForeignKey(
        "scenes.Pattern", help_text="Wzór", on_delete=models.CASCADE, null=True
    )
    thickness = models.CharField(
        choices=THICKNESSES,
        max_length=10,
        help_text="Grubości (dla paneli)",
        null=True,
        blank=True,
    )
    v_groove = models.BooleanField(default=False, help_text="V-Fuga")
    v_groove_color = models.CharField(
        max_length=10, null=True, blank=True, help_text="Kolor V-Fugi"
    )
    size = models.CharField(
        choices=PANEL_SIZES,
        max_length=15,
        help_text="Format (dla paneli) lub wymiar (dla płyt i blatów",
        null=True,
        blank=True,
    )
    structure = models.CharField(
        choices=STRUCTURES, max_length=5, help_text="Struktura", null=True, blank=True
    )
    light_reflection = models.CharField(
        choices=LIGHT_REFLECTIONS,
        max_length=24,
        help_text="Rodzaj materiału",
        default="shiny",
    )
    collection = models.ForeignKey(
        "scenes.Collection", null=True, on_delete=models.CASCADE, name="Kolekcja"
    )
    decor_thickness = models.ManyToManyField(
        "scenes.Thickness", help_text="Grubości (dla dekorów ściennych)"
    )
    details = models.CharField(
        max_length=512, null=True, blank=True, help_text="Szczegóły produktu"
    )
    details_url = models.URLField(null=True, blank=True, max_length=500)

    def __str__(self):
        return "{} #{}".format(self.type.capitalize(), self.pk)

    class Filters:
        # this is stupid, but because of deadline there was requirement
        # to mirror FE mock 1:1. After BETA, it should go away, or be handled more nicely
        # Probably the best solution would be to renegotiate contract with FE.
        def __init__(
            self,
            wood,
            shade,
            abrasion,
            type,
            pattern,
            thickness,
            v_groove,
            v_groove_color,
            size,
            structure,
            light_reflection,
            collection,
            decor_thickness,
            details,
        ):
            self.wood = wood
            self.shade = shade
            self.abrasion = abrasion
            self.type = type
            self.pattern = pattern
            self.thickness = thickness
            self.v_groove = v_groove
            self.v_groove_color = v_groove_color
            self.size = size
            self.structure = structure
            self.light_reflection = light_reflection
            self.collection = collection
            self.decor_thickness = decor_thickness
            self.details = details

    @property
    def filters(self):
        f = self.Filters(
            wood=self.wood.name_pl,
            shade=self.shade,
            abrasion=self.abrasion.name_pl,
            type=self.type,
            pattern=self.pattern,
            thickness=self.thickness,
            v_groove=self.v_groove,
            v_groove_color=self.v_groove_color,
            size=self.size,
            structure=self.structure,
            light_reflection=self.light_reflection,
            collection=getattr(self, "collection", None),
            decor_thickness=self.decor_thickness,
            details=self.details,
        )
        return f