# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo import api, fields, models


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

    margin = fields.Float(
        "Margin", compute='_compute_margin',
        digits='Product Price', store=True, groups="base.group_user", precompute=True)
    margin_percent = fields.Float(
        "Margin (%)", compute='_compute_margin', store=True, groups="base.group_user", precompute=True)
    purchase_price = fields.Float(
        string="Cost", compute="_compute_purchase_price",
        digits='Product Price', store=True, readonly=False, copy=False, precompute=True,
        groups="base.group_user")

    @api.depends('product_id', 'company_id', 'currency_id', 'product_uom')
    def _compute_purchase_price(self):
        for line in self:
            if not line.product_id:
                line.purchase_price = 0.0
                continue
            line = line.with_company(line.company_id)

            # Convert the cost to the line UoM
            product_cost = line.product_id.uom_id._compute_price(
                line.product_id.standard_price,
                line.product_uom,
            )

            line.purchase_price = line._convert_to_sol_currency(
                product_cost,
                line.product_id.cost_currency_id)

    @api.depends('price_subtotal', 'product_uom_qty', 'purchase_price')
    def _compute_margin(self):
        for line in self:
            # Find alternative calculation when line is added to order from delivery
            if line.qty_delivered and not line.product_uom_qty:
                calculated_subtotal = line.price_unit * line.qty_delivered
                line.margin = calculated_subtotal - (line.purchase_price * line.qty_delivered)
                line.margin_percent = calculated_subtotal and line.margin / calculated_subtotal
            else:
                line.margin = line.price_subtotal - (line.purchase_price * line.product_uom_qty)
                line.margin_percent = line.price_subtotal and line.margin / line.price_subtotal