from odoo import models, fields, api


class PurchaseOrder(models.Model):
    _inherit = 'purchase.order'
    
    # Fields for "To Compare" page
    comparison_notes = fields.Text(string='Notes')
    garansi = fields.Boolean(string='Garansi')
    landed_cost = fields.Boolean(string='Landed Cost')
    landed_cost_tag_ids = fields.Many2many(
        'purchase.landed.cost.tag',
        string='Landed Cost Tags',
        help='Select applicable landed cost types'
    )
    
    @api.onchange('landed_cost')
    def _onchange_landed_cost(self):
        """Clear landed cost tags when landed cost is disabled"""
        if not self.landed_cost:
            self.landed_cost_tag_ids = [(5, 0, 0)]  # Remove all tags