# Copyright 2019 Akretion France (http://www.akretion.com)
# @author Alexis de Lattre <alexis.delattre@akretion.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).

from odoo import api, fields, models
from odoo.tools import float_round


class SaleOrder(models.Model):
    _inherit = "sale.order"

    payment_line_ids = fields.One2many(
        "account.move.line", "sale_id", string="Advance Payments", readonly=True
    )
    amount_down_payment = fields.Monetary(
        compute="_compute_amount_down_payment", string="Down Payment Amount"
    )
    # amount_residual : only used to hide 'Register Payment' button
    amount_residual = fields.Monetary(
        compute="_compute_amount_down_payment", string="Residual"
    )

    @api.depends(
        "payment_line_ids.credit",
        "payment_line_ids.debit",
        "payment_line_ids.amount_currency",
        "payment_line_ids.currency_id",
        "payment_line_ids.date",
        "currency_id",
    )
    def _compute_amount_down_payment(self):
        for sale in self:
            down_payment = 0.0
            sale_currency = sale.pricelist_id.currency_id
            if sale_currency == sale.company_id.currency_id:
                for pl in sale.payment_line_ids:
                    down_payment -= pl.balance
            else:
                for pl in sale.payment_line_ids:
                    if (
                        pl.currency_id
                        and pl.currency_id == sale_currency
                        and pl.amount_currency
                    ):
                        down_payment -= pl.amount_currency
                    else:
                        down_payment -= sale.company_id.currency_id._convert(
                            pl.balance, sale_currency, sale.company_id, pl.date
                        )
            down_payment = float_round(
                down_payment, precision_rounding=sale.currency_id.rounding
            )
            sale.amount_down_payment = down_payment
            sale.amount_residual = float_round(
                sale.amount_total - down_payment,
                precision_rounding=sale.currency_id.rounding,
            )