# Copyright 2019-2022 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 flectra import _, api, fields, models
from flectra.exceptions import ValidationError


class AccountCutoffAccrualSubscription(models.Model):
    _name = "account.cutoff.accrual.subscription"
    _description = "Subscriptions to compute accrual cutoffs"
    _order = "subscription_type, name"
    _check_company_auto = True

    company_id = fields.Many2one(
        "res.company",
        string="Company",
        ondelete="cascade",
        required=True,
        default=lambda self: self.env.company,
    )
    company_currency_id = fields.Many2one(
        string="Company Currency", related="company_id.currency_id", store=True
    )
    name = fields.Char(required=True)
    subscription_type = fields.Selection(
        [
            ("revenue", "Revenue"),
            ("expense", "Expense"),
        ],
        default="expense",
        required=True,
        string="Type",
    )
    partner_type = fields.Selection(
        [
            ("none", "No Partner"),
            ("one", "Specific Partner"),
            ("any", "Any Partner"),
        ],
        default="one",
        string="Partner Type",
        required=True,
    )
    partner_id = fields.Many2one(
        "res.partner",
        string="Supplier",
        domain=[("parent_id", "=", False)],
        ondelete="restrict",
    )
    active = fields.Boolean(default=True)
    periodicity = fields.Selection(
        [
            ("month", "Monthly"),
            ("quarter", "Quarterly"),
            ("semester", "Semesterly"),
            ("year", "Yearly"),
        ],
        string="Periodicity",
        required=True,
    )
    start_date = fields.Date(required=True)
    min_amount = fields.Monetary(
        string="Minimum Expense Amount",
        required=True,
        currency_field="company_currency_id",
        help="Minimum expense amount without taxes over the period",
    )
    provision_amount = fields.Monetary(
        string="Default Provision Amount", currency_field="company_currency_id"
    )
    account_id = fields.Many2one(
        "account.account",
        string="Account",
        required=True,
        domain="[('deprecated', '=', False), ('company_id', '=', company_id)]",
        check_company=True,
    )
    analytic_account_id = fields.Many2one(
        "account.analytic.account",
        string="Analytic Account",
        domain="['|', ('company_id', '=', False), ('company_id', '=', company_id)]",
        check_company=True,
    )
    tax_ids = fields.Many2many(
        "account.tax",
        string="Taxes",
        domain="[('price_include', '=', False), ('company_id', '=', company_id)]",
        check_company=True,
    )

    @api.constrains("start_date")
    def check_start_date(self):
        for sub in self:
            if sub.start_date.day != 1:
                raise ValidationError(
                    _(
                        "On subscription %s, the start date is not the first "
                        "day of a month."
                    )
                    % sub.display_name
                )

    _sql_constraints = [
        (
            "min_amount_positive",
            "CHECK(min_amount >= 0)",
            "The minimum amount must be positive.",
        ),
        (
            "provision_amount_positive",
            "CHECK(provision_amount >= 0)",
            "The default provision amount must be positive.",
        ),
    ]

    @api.onchange("min_amount")
    def min_amount_change(self):
        if self.min_amount > 0 and not self.provision_amount:
            self.provision_amount = self.min_amount

    @api.onchange("account_id")
    def account_id_change(self):
        if self.account_id:
            self.tax_ids = self.account_id.tax_ids

    @api.onchange("partner_type")
    def partner_type_change(self):
        if self.partner_type != "one":
            self.partner_id = False