# -*- coding: utf-8 -*-
##############################################################################
#
#    datenpol gmbh
#    Copyright (C) 2013-TODAY datenpol gmbh (<http://www.datenpol.at/>)
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
from odoo import api, fields, models, _
from odoo.tools import float_round


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

    hide_discount = fields.Boolean(string='RV', help='Rabatt verbergen')

    @api.multi
    @api.depends('product_uom_qty', 'discount', 'price_unit', 'tax_id')
    def _compute_amount(self):
        for line in self:
            taxes = line.tax_id.compute_all(line.price_reduce, line.order_id.currency_id, line.product_uom_qty,
                                            product=line.product_id, partner=line.order_id.partner_shipping_id)
            line.update({
                'price_tax': sum(t.get('amount', 0.0) for t in taxes.get('taxes', [])),
                'price_total': taxes['total_included'],
                'price_subtotal': taxes['total_excluded'],
            })

    @api.multi
    def _get_tax_amount_by_group(self):
        self.ensure_one()
        res = {}
        for line in self.order_line:
            base_tax = 0
            for tax in line.tax_id:
                group = tax.tax_group_id
                res.setdefault(group, {'amount': 0.0, 'base': 0.0})
                # FORWARD-PORT UP TO SAAS-17
                taxes = tax.compute_all(line.price_reduce + base_tax, quantity=line.product_uom_qty,
                                        product=line.product_id, partner=self.partner_shipping_id)['taxes']
                for t in taxes:
                    res[group]['amount'] += t['amount']
                    res[group]['base'] += t['base']
                if tax.include_base_amount:
                    base_tax += tax.compute_all(line.price_reduce + base_tax, quantity=1, product=line.product_id,
                                                partner=self.partner_shipping_id)['taxes'][0]['amount']
        res = sorted(res.items(), key=lambda l: l[0].sequence)
        res = [(l[0].name, l[1]['amount'], l[1]['base'], len(res)) for l in res]
        return res

    @api.multi
    @api.depends('price_unit', 'discount')
    def _get_price_reduce(self):
        for line in self:
            line.price_reduce = float_round(line.price_unit * (1.0 - line.discount / 100.0),
                                            precision_digits=self.env['decimal.precision'].precision_get(
                                                'Product Price'))

    @api.multi
    def _prepare_invoice_line(self, qty):
        self.ensure_one()
        res = super(SaleOrderLine, self)._prepare_invoice_line(qty)

        res['hide_discount'] = self.hide_discount
        return res