# Copyright 2017 Creu Blanca <https://creublanca.es/>
# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).


from flectra.tests import common
from flectra.exceptions import ValidationError
import logging
_logger = logging.getLogger(__name__)
try:
    from stdnum.iso7064 import mod_97_10
    from stdnum.iso7064 import mod_37_2, mod_37_36
    from stdnum.iso7064 import mod_11_2, mod_11_10
    from stdnum import luhn, damm, verhoeff
except(ImportError, IOError) as err:
    _logger.debug(err)


class TestSequenceCheckDigit(common.TransactionCase):
    def get_sequence(self, method):
        return self.env['ir.sequence'].create({
            'name': 'Test sequence',
            'implementation': 'standard',
            'check_digit_formula': method,
            'padding': '5'
        })

    def test_none(self):
        sequence = self.get_sequence('none')
        self.assertEqual('00001', sequence.next_by_id())

    def test_null(self):
        sequence = self.get_sequence(None)
        self.assertEqual('00001', sequence.next_by_id())

    def test_luhn(self):
        sequence = self.get_sequence('luhn')
        self.assertTrue(luhn.validate(sequence.next_by_id()))

    def test_damm(self):
        sequence = self.get_sequence('damm')
        self.assertTrue(damm.validate(sequence.next_by_id()))

    def test_verhoeff(self):
        sequence = self.get_sequence('verhoeff')
        self.assertTrue(verhoeff.validate(sequence.next_by_id()))

    def test_mod_11_2(self):
        sequence = self.get_sequence('ISO7064_11_2')
        self.assertTrue(mod_11_2.validate(sequence.next_by_id()))

    def test_mod11_10(self):
        sequence = self.get_sequence('ISO7064_11_10')
        self.assertTrue(mod_11_10.validate(sequence.next_by_id()))

    def test_validation(self):
        sequence = self.get_sequence('ISO7064_11_10')
        with self.assertRaises(ValidationError):
            sequence.prefix = 'A'
        sequence.prefix = ''

    def test_mod37_2(self):
        sequence = self.get_sequence('ISO7064_37_2')
        sequence.prefix = 'A'
        self.assertTrue(mod_37_2.validate(sequence.next_by_id()))

    def test_mod37_36(self):
        sequence = self.get_sequence('ISO7064_37_36')
        self.assertTrue(mod_37_36.validate(sequence.next_by_id()))

    def test_mod97_10(self):
        sequence = self.get_sequence('ISO7064_97_10')
        self.assertTrue(mod_97_10.validate(sequence.next_by_id()))