from odoo import fields, models

class AccountJournal(models.Model):
    _inherit = "account.journal"

    code = fields.Char(string="Short Code", size=15)

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            # Safety fallback for journals created without code/type (e.g. system-generated like Tax Return)
            if not vals.get('code') and not vals.get('type'):
                name = vals.get('name', '')
                if isinstance(name, dict):
                    name = name.get('en_US', '') or name.get('id_ID', '') or str(name)
                
                if 'Tax Return' in str(name):
                    vals['type'] = 'general'
                    vals['code'] = 'TAX'
                else:
                    # Generic fallback to avoid DB constraint crash for other automated journals
                    vals['code'] = 'TEMP'
        return super().create(vals_list)