from decimal import Decimal

from django.conf import settings
from plans.taxation import TaxationPolicy



class SaudiTaxationPolicy(TaxationPolicy):
    """
    Represents the taxation policy specific to Saudi Arabia.

    This class inherits from TaxationPolicy and provides implementations
    of methods to retrieve default tax, issuer country code, and tax rates
    specific to Saudi Arabia. Typically used in scenarios involving
    invoicing or taxation calculation for Saudi Arabia.

    :ivar settings: Configuration settings of the application.
    :type settings: module
    """
    def get_default_tax(self):
        return getattr(settings, 'PLANS_TAX', None)

    def get_issuer_country_code(self):
        return getattr(settings, 'PLANS_TAX_COUNTRY', None)

    def get_tax_rate(self, tax_id, country_code, request=None):
        rate = Decimal("15")
        return rate