# -*- coding: utf-8 -*-
################################################################################
#
#    Cybrosys Technologies Pvt. Ltd.
#
#    Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>).
#    Author: Unnimaya C O (odoo@cybrosys.com)
#
#    You can modify it under the terms of the GNU AFFERO
#    GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU AFFERO GENERAL PUBLIC LICENSE (AGPL v3) for more details.
#
#    You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
#    (AGPL v3) along with this program.
#    If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
from odoo import api, fields, models


class MrpBomLine(models.Model):
    """Inherits mrp.bom.line for adding catch weight fields and functions"""
    _inherit = 'mrp.bom.line'

    cw_qty = fields.Float(string='CW-Qty', digits=(16, 4),
                          help="Catch weight quantity")
    category_id = fields.Many2one('uom.category', string='Category',
                                  help="Category of the"
                                       " Product",
                                  default=lambda self: self.env.ref(
                                      'uom.product_uom_categ_kgm'))
    cw_uom_id = fields.Many2one('uom.uom',
                                related='product_id.cw_uom_id',
                                string='CW-Uom', help='Catch weight uom of the'
                                                      ' product',
                                domain="[('category_id', '=', category_id)]",
                                store=True)
    cw_hide = fields.Boolean(related='product_id.catch_weight_ok',
                             string='CW-Hide',
                             help="True for catch weight products")

    @api.onchange('product_id', 'product_qty')
    def _onchange_product_id(self):
        """Method for calculating the value of cw_qty if product_id or
        product_qty changed"""
        for rec in self:
            if rec.cw_uom_id == rec.product_uom_id:
                rec.cw_qty = rec.product_qty
            else:
                rec.cw_qty = rec.product_qty * rec.product_id.average_cw_qty

    @api.onchange('cw_qty')
    def _onchange_cw_qty(self):
        """Method for calculating product qty if the value of cw_qty changed"""
        for rec in self:
            if rec.product_id.catch_weight_ok and rec.product_qty and \
                    rec.cw_qty != 0 and rec.product_id.average_cw_qty != 0:
                if rec.cw_uom_id == rec.product_uom_id:
                    rec.product_qty = rec.cw_qty
                else:
                    rec.product_qty = rec.cw_qty / rec.product_id.average_cw_qty

    @api.onchange('product_uom_id', 'cw_uom_id')
    def _onchange_product_uom_id(self):
        """Method for calculating the value of cw_qty if value of
        product_uom_id or cw_uom_id changed"""
        for rec in self:
            if rec.product_id.catch_weight_ok and rec.cw_uom_id and \
                    rec.product_uom_id.category_id == rec.cw_uom_id.category_id:
                rec.cw_qty = rec.cw_uom_id.factor / rec.product_uom_id.factor