# Part of Odoo. See LICENSE file for full copyright and licensing details.

from functools import partial

from odoo.http import request, route

from odoo.addons.payment import utils as payment_utils
from odoo.addons.website_sale.controllers.delivery import Delivery


class WebsiteSaleLoyaltyDelivery(Delivery):

    @route()
    def express_checkout_process_delivery_address(self, partial_delivery_address):
        """Override of `website.sale` to include delivery discount if any."""
        res = super().express_checkout_process_delivery_address(partial_delivery_address)
        order_sudo = request.cart
        if free_shipping_lines := order_sudo._get_free_shipping_lines():
            res['delivery_discount_minor_amount'] = payment_utils.to_minor_currency_units(
                sum(free_shipping_lines.mapped('price_total')), order_sudo.currency_id
            )
        return res

    def _order_summary_values(self, order, **post):
        to_html = partial(
            request.env['ir.qweb.field.monetary'].value_to_html,
            options={'display_currency': order.currency_id},
        )
        res = super()._order_summary_values(order, **post)
        free_shipping_lines = order._get_free_shipping_lines()
        if free_shipping_lines:
            shipping_discount = sum(free_shipping_lines.mapped('price_total'))
            res['amount_delivery_discounted'] = to_html(shipping_discount)
            res['delivery_discount_minor_amount'] = payment_utils.to_minor_currency_units(
                shipping_discount, order.currency_id
            )
        discount_lines = order.order_line.filtered(
            lambda line: line.reward_id.reward_type == 'discount'
        )
        groupable_lines = discount_lines.filtered(
            lambda line: line.reward_id.discount_mode == 'percent'
        )
        res['discount_reward_amounts'] = [
            to_html(sum(lines.mapped('price_subtotal')))
            for lines in groupable_lines.grouped('reward_id').values()
        ] + [to_html(line.price_subtotal) for line in discount_lines - groupable_lines]
        return res