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

from apps.gooyal_oauth2.settings import oauth2_settings
from utils.clients.sms.sms import BaseSMSClient
from utils.models import BaseModel
from utils.clients.sms.payam_sms.client import PayamSMSClient
from utils.clients.sms.mobin_sms.client import MobinSMSClient
from utils.clients.sms.fake.client import FakeClient

import logging
logger = logging.getLogger(__name__)



class SMSClienChoises(TextChoices):
    FAKE = "fake", _("fake")
    PAYAM_SMS = 'payam_sms', _('payam_sms')
    MOBIN_SMS = 'mobin_sms', _('mobin_sms')

class SMSPolicy(BaseModel):
    application = models.ForeignKey(oauth2_settings.APPLICATION_MODEL, on_delete=models.PROTECT,
                                    related_name='+', null=True, blank=True, unique=True)
    preferred = models.CharField(max_length=16, choices=SMSClienChoises.choices, default=SMSClienChoises.FAKE)

    def __str__(self):
        return self.get_preferred_display()

    @staticmethod
    def get_client() -> BaseSMSClient:
        policy = SMSPolicy.objects.get_or_create(application=None)[0]
        if policy.preferred == SMSClienChoises.MOBIN_SMS:
            return MobinSMSClient()
        elif policy.preferred == SMSClienChoises.PAYAM_SMS:
            return PayamSMSClient()
        else:
            return FakeClient()