# -*- coding: utf-8 -*-
from odoo import models, fields, _

class PosConfig(models.Model):
    _inherit = 'pos.config'

    def use_coupon_code(self, code, creation_date, partner_id, pricelist_id):
        res = super().use_coupon_code(code, creation_date, partner_id, pricelist_id)
        if res.get('successful'):
            # Fetch the coupon to check custom_end_date
            coupon_id = res['payload'].get('coupon_id')
            if coupon_id:
                coupon = self.env['loyalty.card'].browse(coupon_id)
                check_date = fields.Date.from_string(creation_date[:11])
                if coupon.custom_end_date and coupon.custom_end_date < check_date:
                    return {
                        'successful': False,
                        'payload': {
                            'error_message': _("This coupon's custom end date is expired (%s).", code),
                        },
                    }
        return res