# -*- coding: utf-8 -*-
#############################################################################
#
#    Cybrosys Technologies Pvt. Ltd.
#
#    Copyright (C) 2024-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
#    Author: Saneen K (<https://www.cybrosys.com>)
#
#    You can modify it under the terms of the GNU AFFERO
#    GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
#
#    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 (AGPL v3) for more details.
#
#    You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
#    (AGPL v3) along with this program.
#    If not, see <http://www.gnu.org/licenses/>.
#
#############################################################################
from odoo import api, models, _
from odoo.exceptions import UserError
from odoo.http import request


class SaleOrder(models.Model):
    _inherit = 'sale.order'
    """
    Inherit the 'sale.order' model to overwrite the _compute_cart_info 
    and _cart_update functions.
    """
    @api.depends('order_line.product_uom_qty', 'order_line.product_id')
    def _compute_cart_info(self):
        """
        Making cart_quantity integer is avoided in order
        to represent it in decimal values
        """
        for order in self:
            order.cart_quantity = sum(order.mapped
                                      ('website_order_line.product_uom_qty'))
            order.only_services = all(
                line.product_id.type == 'service' for line in
                order.website_order_line)

    def _cart_update(self, product_id, line_id=None, add_qty=0, set_qty=0,
                     **kwargs):
        """ Add or set product quantity, add_qty can be negative.

         Making add_qty and set_qty integer are avoided in order
         to represent them as decimal values.
         """
        self.ensure_one()
        if self.state != 'draft':
            request.session.pop('sale_order_id', None)
            request.session.pop('website_sale_cart_quantity', None)
            raise UserError(_('It is forbidden to modify a sales order '
                              'which is not in draft status.'))
        product = self.env['product.product'].browse(product_id).exists()
        if not product or not product._is_add_to_cart_allowed():
            raise UserError(_("The given product does not exist "
                              "therefore it cannot be added to cart."))
        if product.lst_price == 0 and \
                product.website_id.prevent_zero_price_sale:
            raise UserError(_("The given product does not have a price "
                              "therefore it cannot be added to cart."))
        if line_id is not False:
            order_line = self._cart_find_product_line(product_id,
                                                      line_id, **kwargs)[:1]
        else:
            order_line = self.env['sale.order.line']
        try:
            add_qty = float(add_qty)
        except (ValueError, TypeError):
            add_qty = 0.0
        try:
            set_qty = float(set_qty)
        except (ValueError, TypeError):
            set_qty = 0.0

        if set_qty == 0 and not add_qty:
            quantity = 0.0
        elif set_qty:
            quantity = set_qty
        elif add_qty is not None:
            quantity = (order_line.product_uom_qty if order_line else 0.0) + add_qty
        else:
            quantity = 0.0

        if quantity > 0:
            quantity, warning = self._verify_updated_quantity(order_line, product_id, quantity, **kwargs)
        else:
            warning = ''

        if order_line and quantity == 0:
            order_line.unlink()
            order_line = self.env['sale.order.line']
        elif order_line:
            update_values = self._prepare_order_line_update_values(order_line, quantity, **kwargs)
            if update_values:
                self._update_cart_line_values(order_line, update_values)
        elif quantity > 0:
            order_line_values = self._prepare_order_line_values(product_id, quantity, **kwargs)
            order_line = self.env['sale.order.line'].sudo().create(order_line_values)

        return {
            'line_id': order_line.id,
            'quantity': quantity,
            'option_ids': list(set(order_line.option_line_ids.filtered(
                lambda l: l.order_id == order_line.order_id).ids)),
            'warning': warning,
        }