from odoo import fields, models, api

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

    receipt_print_copies = fields.Integer(string='Default Number of Copies', default=1, help="Default number of copies to print for receipts.")
    receipt_paper_size = fields.Selection([
        ('57mm', '57mm (ISO 57)'),
        ('58mm', '58mm'),
        ('80mm', '80mm'),
        ('80x210mm', '80 x 210 mm'),
        ('80x297mm', '80 x 297 mm'),
        ('112mm', '112mm'),
        ('A4', 'A4'),
    ], string='Default Paper Size', default='57mm', help="Default paper size for browser print dialog.")

    @api.model
    def _load_pos_data_fields(self, config):
        fields = super()._load_pos_data_fields(config)
        fields += ['receipt_print_copies', 'receipt_paper_size']
        return fields