# Copyright 2018-2019 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


class AccountInvoiceReport(models.Model):
    _inherit = "account.invoice.report"

    margin = fields.Float(string="Margin", readonly=True)
    # why digits=0 ??? Why is it like that in the native "account" module
    user_currency_margin = fields.Float(
        string="Margin", compute="_compute_user_currency_margin", digits=0
    )

    _depends = {
        "account.invoice": [
            "account_id",
            "amount_total_company_signed",
            "commercial_partner_id",
            "company_id",
            "currency_id",
            "date_due",
            "date_invoice",
            "fiscal_position_id",
            "journal_id",
            "number",
            "partner_bank_id",
            "partner_id",
            "payment_term_id",
            "residual",
            "state",
            "type",
            "user_id",
        ],
        "account.invoice.line": [
            "account_id",
            "invoice_id",
            "price_subtotal",
            "product_id",
            "quantity",
            "uom_id",
            "account_analytic_id",
            "margin_company_currency",
        ],
        "product.product": ["product_tmpl_id"],
        "product.template": ["categ_id"],
        "uom.uom": ["category_id", "factor", "name", "uom_type"],
        "res.currency.rate": ["currency_id", "name"],
        "res.partner": ["country_id"],
    }

    @api.depends("currency_id", "date", "margin")
    def _compute_user_currency_margin(self):
        user_currency = self.env.user.company_id.currency_id
        currency_rate = self.env["res.currency.rate"].search(
            [
                ("rate", "=", 1),
                "|",
                ("company_id", "=", self.env.user.company_id.id),
                ("company_id", "=", False),
            ],
            limit=1,
        )
        base_currency = currency_rate.currency_id
        for record in self:
            date = record.date or fields.Date.today()
            company = record.company_id
            record.user_currency_margin = base_currency._convert(
                record.margin, user_currency, company, date
            )

    # TODO check for refunds
    def _sub_select(self):
        select_str = super(AccountInvoiceReport, self)._sub_select()
        select_str += ", SUM(ail.margin_company_currency) AS margin"
        return select_str

    def _select(self):
        select_str = super(AccountInvoiceReport, self)._select()
        select_str += ", sub.margin AS margin"
        return select_str