from odoo import models, fields, api


class PurchaseOrderLine(models.Model):
    _inherit = 'purchase.order.line'
    
    # Computed fields for comparison data from purchase.order
    order_payment_term_id = fields.Many2one(
        'account.payment.term',
        string='Payment Terms',
        compute='_compute_order_comparison_fields',
        help='Payment terms from the purchase order'
    )
    
    order_comparison_notes = fields.Text(
        string='Notes',
        compute='_compute_order_comparison_fields',
        help='Comparison notes from the purchase order'
    )
    
    order_garansi = fields.Boolean(
        string='Garansi',
        compute='_compute_order_comparison_fields',
        help='Warranty information from the purchase order'
    )
    
    order_landed_cost = fields.Boolean(
        string='Landed Cost',
        compute='_compute_order_comparison_fields',
        help='Landed cost flag from the purchase order'
    )
    
    order_landed_cost_tag_ids = fields.Many2many(
        'purchase.landed.cost.tag',
        string='LC Tags',
        compute='_compute_order_comparison_fields',
        help='Landed cost tags from the purchase order'
    )
    
    @api.depends('order_id', 'order_id.payment_term_id', 'order_id.comparison_notes', 
                 'order_id.garansi', 'order_id.landed_cost', 'order_id.landed_cost_tag_ids')
    def _compute_order_comparison_fields(self):
        """Compute comparison fields from the related purchase order"""
        for line in self:
            if line.order_id:
                line.order_payment_term_id = line.order_id.payment_term_id
                line.order_comparison_notes = line.order_id.comparison_notes
                line.order_garansi = line.order_id.garansi
                line.order_landed_cost = line.order_id.landed_cost
                line.order_landed_cost_tag_ids = line.order_id.landed_cost_tag_ids
            else:
                line.order_payment_term_id = False
                line.order_comparison_notes = False
                line.order_garansi = False
                line.order_landed_cost = False
                line.order_landed_cost_tag_ids = False