# This file is part of Tryton.  The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
from trytond.pool import PoolMeta
from trytond.model import fields
from trytond.model.exceptions import ValidationError


class Sale(metaclass=PoolMeta):
    'Sale Analytic Operation'
    __name__ = 'sale.sale'

    account_analytic = fields.Many2One('analytic_account.account',
                                       'Analytic Account',
                                       domain=[
                                           ('type', '=', 'normal'),
                                       ])


class SaleLine(metaclass=PoolMeta):
    'Sale Line Analytic Operation'
    __name__ = 'sale.line'

    @fields.depends('product', 'unit', 'sale',
                    '_parent_sale.party', '_parent_sale.invoice_party',
                    '_parent_sale.account_analytic', 'analytic_accounts',
                    methods=['compute_taxes', 'compute_unit_price',
                             'on_change_with_amount'])
    def on_change_product(self):
        if not self.product:
            return

        party = None
        if self.sale:
            party = self.sale.invoice_party or self.sale.party

        # Set taxes before unit_price to have taxes in context of sale price
        self.taxes = self.compute_taxes(party)

        category = self.product.sale_uom.category
        if not self.unit or self.unit.category != category:
            self.unit = self.product.sale_uom

        self.unit_price = self.compute_unit_price()

        self.type = 'line'
        self.amount = self.on_change_with_amount()

        self.analytic_accounts = tuple()
        try:
            self.analytic_accounts += (
                {'root': self.sale.account_analytic.root,
                 'account': self.sale.account_analytic},)
        except Exception as e:
            raise ValidationError(f"Se produjo un error: {e}")