# © 2016 Antiun Ingenieria S.L. - Antonio Espinosa
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).

from flectra import models, fields, api, _
from .common import is_sepa_creditor_identifier_valid
from flectra.exceptions import ValidationError


class AccountPaymentMode(models.Model):
    _inherit = 'account.payment.mode'

    sepa_creditor_identifier = fields.Char(
        string='SEPA Creditor Identifier', size=35,
        help="Enter the Creditor Identifier that has been attributed to your "
             "company to make SEPA Direct Debits. If not defined, "
             "SEPA Creditor Identifier from company will be used.\n"
             "This identifier is composed of :\n"
             "- your country ISO code (2 letters)\n"
             "- a 2-digits checkum\n"
             "- a 3-letters business code\n"
             "- a country-specific identifier")

    @api.multi
    @api.constrains('sepa_creditor_identifier')
    def _check_sepa_creditor_identifier(self):
        for payment_mode in self:
            if payment_mode.sepa_creditor_identifier:
                if not is_sepa_creditor_identifier_valid(
                        payment_mode.sepa_creditor_identifier):
                    raise ValidationError(
                        _("The SEPA Creditor Identifier '%s' is invalid.")
                        % payment_mode.sepa_creditor_identifier)