# © 2013-2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
# © 2014 Serv. Tecnol. Avanzados - Pedro M. Baeza
# © 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 ResCompany(models.Model):
    _inherit = 'res.company'

    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. 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 company in self:
            if company.sepa_creditor_identifier:
                if not is_sepa_creditor_identifier_valid(
                        company.sepa_creditor_identifier):
                    raise ValidationError(
                        _("The SEPA Creditor Identifier '%s' is invalid.")
                        % company.sepa_creditor_identifier)