from odoo import models, fields, api
import datetime

class AccountAsset(models.Model):
    _inherit = 'account.asset'

    product_id = fields.Many2one('product.product', string='Product')
    description = fields.Text(string='Description')

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            if not vals.get('asset_code'):
                product_id = vals.get('product_id')
                sequence = self.env['ir.sequence'].next_by_code('ga.asset.code') or '00000'
                year = datetime.datetime.now().year
                
                prefix = 'AST'
                if product_id:
                    product = self.env['product.product'].browse(product_id)
                    if product.barcode:
                        prefix = product.barcode
                
                # Format: [Barcode/AST]/[Year]/[Sequence]
                # Note: Sequence defined in XML has prefix '/' so we just append it
                # Wait, sequence next_by_code returns the full string including prefix/suffix if defined
                # My XML defines prefix '/' and padding 5. So it returns '/00001'
                
                # Let's construct manually to control the format exactly as requested:
                # [Barcode]/[Year]/[Sequence_Number]
                
                # If I use next_by_code, I get what is configured.
                # To get just number, checking implementation... standard next_by_code returns full string.
                
                # Let's simple use sequence for the number part only.
                # I will change sequence prefix to empty in XML or just use it here.
                # Actually, standard way is to have sequence configured with year but here we have dynamic prefix (Product Barcode).
                
                # Revised Logic:
                # 1. Get raw sequence number? No, next_by_code gives formatted string.
                # Let's use a sequence with NO prefix in XML, and build format here.
                
                # Re-reading XML I created: prefix='/'
                # So `self.env['ir.sequence'].next_by_code('ga.asset.code')` returns `/00001`.
                
                vals['asset_code'] = f"{prefix}/{year}{sequence}"

        return super(AccountAsset, self).create(vals_list)

    def action_open_transfer_wizard(self):
        self.ensure_one()
        return {
            'name': 'Transfer Asset',
            'type': 'ir.actions.act_window',
            'res_model': 'ga.asset.transfer.wizard',
            'view_mode': 'form',
            'target': 'new',
            'context': {
                'default_asset_id': self.id,
                'default_current_company_id': self.company_id.id,
            }
        }