# -*- coding: utf-8 -*-
# © 2012-2016 Camptocamp SA
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).


from openerp import api, fields, models


class OrderpointTemplate(models.Model):
    """ Template for orderpoints

    Here we use same model as stock.warehouse.orderpoint but set product_id
    as non mandatory as we cannot remove it. This field will be ignored.

    This has the advantage of ensuring that the order point
    and the order point template have the same fields.

    _table is redefined to separate templates from orderpoints
    """
    _name = 'stock.warehouse.orderpoint.template'

    _inherit = 'stock.warehouse.orderpoint'
    _table = 'stock_warehouse_orderpoint_template'

    name = fields.Char(copy=True)
    group_id = fields.Many2one(copy=True)

    product_id = fields.Many2one(required=False)
    product_uom = fields.Many2one(required=False)

    def _disable_old_instances(self, product_ids):
        """ Clean old instance by setting those inactives
        """
        orderpoints = self.env['stock.warehouse.orderpoint'].search(
            [('product_id', 'in', product_ids)]
        )
        orderpoints.write({'active': False})

    def _create_instances(self, product_ids):
        """ Create instances of model using template inherited model
        """
        orderpoint_model = self.env['stock.warehouse.orderpoint']
        for data in self.copy_data():
            for product_id in product_ids:
                data['product_id'] = product_id
                orderpoint_model.create(data)

    @api.multi
    def create_orderpoints(self, product_ids):
        """ Create orderpoint for *product_ids* based on these templates.

        :type product_ids: list of int
        """
        self._disable_old_instances(product_ids)
        self._create_instances(product_ids)