#############################################################################
#
#    Cybrosys Technologies Pvt. Ltd.
#
#    Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>).
#    Author: Vivek @ cybrosys,(odoo@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):  # noqa: C901
        """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:
            if add_qty:
                pass
        except ValueError:
            add_qty = 1
        try:
            if set_qty:
                pass
        except ValueError:
            set_qty = 0
        quantity = 0
        if set_qty:
            quantity = set_qty
        elif add_qty is not None:
            if order_line:
                quantity = order_line.product_uom_qty + (add_qty or 0)
            else:
                quantity = add_qty or 0
        if quantity > 0:
            quantity, warning = self._verify_updated_quantity(order_line, product_id, quantity, **kwargs)
        else:
            # If the line will be removed anyway, there is no need to verify
            # the requested quantity update.
            warning = ""
        if order_line and quantity <= 0:
            # Remove zero or negative lines
            order_line.unlink()
            order_line = self.env["sale.order.line"]
        elif order_line:
            # Update existing 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:
            # Create new line
            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,
        }