from django.db import models
from django.utils.translation import gettext_lazy as _

from core.utils.base_model import UUIDPrimaryKeyBaseModel

from core.apps.banks.validators.banks import (
    BankValidator,  # used with BankModel.clean
    bic_validator,  # validates bic
    name_validator,  # validates bank name
)


class BankModel(UUIDPrimaryKeyBaseModel):

    name = models.CharField(
        _("Name"), 
        max_length=255, 
        validators=[
            name_validator,
        ],
        null=False, 
        blank=False,
        unique=True,
    )

    bic_code = models.CharField(
        _("BIC code"), 
        validators=[
            bic_validator,
        ],
        null=False, 
        blank=False,
        unique=True,
    )

    def __str__(self):
        return self.name

    @classmethod
    def _create_fake(cls):
        return cls.objects.create(
            name="Mock TBC Bank",
            bic_code="MOCKUZ22"
        )
    
    def clean(self) -> None:
        super().clean()
        
        validator = BankValidator(self)
        validator()

    class Meta:  # type: ignore
        db_table = "banks"

        verbose_name = _("Bank")
        verbose_name_plural = _("Banks")

        indexes = [
            models.Index(
                fields=["bic_code"], 
                name="banks_bic_code_inx"
            ),
            models.Index(
                fields=["name"], 
                name="banks_name_inx"
            ),
        ]