# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo import api, fields, models


class SaleOrderLine(models.Model):
    _inherit = 'sale.order.line'

    @api.depends('move_ids', 'move_ids.value', 'move_ids.picking_id.state')
    def _compute_purchase_price(self):
        line_ids_to_pass = set()
        for line in self:
            line = line.with_company(line.company_id)
            product = line.product_id
            if not line.has_valued_move_ids():
                line_ids_to_pass.add(line.id)
            elif line.product_id and line.product_id.categ_id and line.product_id.categ_id.property_cost_method != 'standard':
                # don't overwrite any existing value unless non-standard cost method
                qty_from_delivery = line.qty_delivered
                price_unit_from_delivery = line.move_ids.filtered(lambda m: m.state == 'done')._get_price_unit_delivery() if qty_from_delivery > 0 else 0
                if qty_from_delivery <= 0:
                    purch_price = product.standard_price
                else:
                    qty_from_std_price = max(line.product_uom_qty - qty_from_delivery, 0)
                    purch_price = (qty_from_delivery * price_unit_from_delivery + qty_from_std_price * product.standard_price) / (qty_from_delivery + qty_from_std_price)
                purch_price_uom = line.product_id.uom_id._compute_price(purch_price, line.product_uom_id)
                line.purchase_price = line._convert_to_sol_currency(
                    purch_price_uom,
                    product.cost_currency_id,
                )
            elif not line.product_uom_qty and line.qty_delivered:
                # if line added from delivery and standard price, pass to super
                line_ids_to_pass.add(line.id)
        return super(SaleOrderLine, self.browse(line_ids_to_pass))._compute_purchase_price()