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

from odoo import fields, models, _
from odoo.addons.stock_landed_costs.models.stock_landed_cost import SPLIT_METHOD
from odoo.exceptions import UserError


class ProductTemplate(models.Model):
    _inherit = "product.template"

    landed_cost_ok = fields.Boolean('Is a Landed Cost', help='Indicates whether the product is a landed cost: when receiving a vendor bill, you can allocate this cost on preceding receipts.')
    split_method_landed_cost = fields.Selection(SPLIT_METHOD, string="Default Split Method",
                                                help="Default Split Method when used for Landed Cost")

    def write(self, vals):
        for product in self:
            if (('type' in vals and vals['type'] != 'service') or ('landed_cost_ok' in vals and not vals['landed_cost_ok'])) and product.type == 'service' and product.landed_cost_ok:
                if self.env['account.move.line'].search_count([('product_id', 'in', product.product_variant_ids.ids), ('is_landed_costs_line', '=', True)]):
                    raise UserError(_("You cannot change the product type or disable landed cost option because the product is used in an account move line."))
                vals['landed_cost_ok'] = False

        return super().write(vals)