# Copyright 2016-2018 ACSONE SA/NV
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).

from odoo import _, api, models
from odoo.exceptions import UserError

from odoo.addons.server_environment import serv_config

SECTION = "ir.config_parameter"


class IrConfigParameter(models.Model):

    _inherit = "ir.config_parameter"

    @api.model
    def get_param(self, key, default=False):
        value = super().get_param(key, default=None)
        if serv_config.has_option(SECTION, key):
            cvalue = serv_config.get(SECTION, key)
            if not cvalue:
                raise UserError(
                    _("Key %s is empty in " "server_environment_file") % (key,)
                )
            if cvalue != value:
                # we write in db on first access;
                # should we have preloaded values in database at,
                # server startup, modules loading their parameters
                # from data files would break on unique key error.
                self.sudo().set_param(key, cvalue)
                value = cvalue
        if value is None:
            return default
        return value

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            key = vals.get("key")
            if serv_config.has_option(SECTION, key):
                # enforce value from config file
                vals = dict(vals, value=serv_config.get(SECTION, key))
        return super().create(vals_list)

    def write(self, vals):
        for rec in self:
            key = vals.get("key") or rec.key
            if serv_config.has_option(SECTION, key):
                # enforce value from config file
                newvals = dict(vals, value=serv_config.get(SECTION, key))
            else:
                newvals = vals
            super().write(newvals)
        return True