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

from odoo import fields, models


class ProductProduct(models.Model):
    _inherit = "product.product"

    def _compute_quantities_dict(self, lot_id, owner_id, package_id, from_date=False, to_date=False):
        return super(ProductProduct, self.with_context(with_expiration=datetime.date.today()))._compute_quantities_dict(lot_id, owner_id, package_id, from_date, to_date)

    free_qty = fields.Float(help="Available quantity (computed as Quantity On Hand "
             "- reserved quantity - quantity to remove)\n"
             "In a context with a single Stock Location, this includes "
             "goods stored in this location, or any of its children.\n"
             "In a context with a single Warehouse, this includes "
             "goods stored in the Stock Location of this Warehouse, or any "
             "of its children.\n"
             "Otherwise, this includes goods stored in any Stock Location "
             "with 'internal' type.")

    virtual_available = fields.Float(help="Forecast quantity (computed as Quantity On Hand "
             "- Outgoing + Incoming - Quantity to Remove)\n"
             "In a context with a single Stock Location, this includes "
             "goods stored in this location, or any of its children.\n"
             "In a context with a single Warehouse, this includes "
             "goods stored in the Stock Location of this Warehouse, or any "
             "of its children.\n"
             "Otherwise, this includes goods stored in any Stock Location "
             "with 'internal' type.")


class ProductTemplate(models.Model):
    _inherit = 'product.template'

    use_expiration_date = fields.Boolean(string='Use Expiration Date',
        help='When this box is ticked, you have the possibility to specify dates to manage'
        ' product expiration, on the product and on the corresponding lot/serial numbers')
    expiration_time = fields.Integer(string='Expiration Date',
        help='Number of days after the receipt of the products (from the vendor'
        ' or in stock after production) after which the goods may become dangerous'
        ' and must not be consumed. It will be computed on the lot/serial number.')
    use_time = fields.Integer(string='Best Before Date',
        help='Number of days before the Expiration Date after which the goods starts'
        ' deteriorating, without being dangerous yet. It will be computed on the lot/serial number.')
    removal_time = fields.Integer(string='Removal Date',
        help='Number of days before the Expiration Date after which the goods'
        ' should be removed from the stock and not be counted in the Fresh On Hand Stock anymore.'
        'It will be computed on the lot/serial number.')
    alert_time = fields.Integer(string='Alert Date',
        help='Number of days before the Expiration Date after which an alert should be'
        ' raised on the lot/serial number. It will be computed on the lot/serial number.')