# -*- coding: utf-8 -*-
################################################################################
#
#    Cybrosys Technologies Pvt. Ltd.
#
#    Copyright (C) 2024-TODAY Cybrosys Technologies (<https://www.cybrosys.com>)
#    Author: Manasa T P (<https://www.cybrosys.com>)
#
#    This program is free software: you can modify
#    it under the terms of the GNU Affero General Public License (AGPL) as
#    published by the Free Software Foundation, either version 3 of the
#    License, or (at your option) any later version.
#
#    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 for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
#############################################################################
from odoo import models, fields, _
from odoo.exceptions import UserError


class StockPickingInherit(models.Model):
    """This class inherits 'stock.picking' and adds required fields """
    _inherit = 'stock.picking'

    auto_generated = fields.Boolean(string='Auto Generated Transfer',
                                    copy=False,
                                    help="Field helps to check the picking is "
                                         "created from an another picking "
                                         "or not")
    is_backorder_button_clicked = fields.Boolean(default=False,
                                                 string='Backorder'
                                                        ' Button Clicked')

    def button_validate(self):
        """Creating the internal transfer if it is not created
        from another picking"""
        active_move = []
        greater_quantity = []
        for move in self.move_ids:
            if move.quantity != 0.0:
                if (move.quantity < move.product_uom_qty or
                        move.quantity > move.product_uom_qty):
                    active_move.append(move.id)
            if move.quantity > move.product_uom_qty:
                greater_quantity.append(move.id)
        if len(greater_quantity) == self.move_ids.search_count([(
                'picking_id', '=', self.id)]):
            if not self.auto_generated:
                self.create_intercompany_transfer()
        if not self.move_ids.search(
                [('picking_id', '=', self.id), ('quantity', '=', 0.0)]):
            if not active_move:
                if not self.auto_generated:
                    self.create_intercompany_transfer()
        return super(StockPickingInherit, self).button_validate()

    def create_intercompany_transfer(self):
        """Creating the transfer if the selected company is enabled the
        internal transfer option"""
        company_id = self.env['res.company'].sudo().search(
            [('partner_id', '=', self.partner_id.id)], limit=1)
        operation_type_id = False
        location_id = False
        location_dest_id = False

        if company_id and company_id.enable_inter_company_transfer:
            create_transfer = False
            if (self.picking_type_id.code ==
                    company_id.apply_transfer_type or
                    company_id.apply_transfer_type == 'all'):
                create_transfer = True
            if create_transfer:
                warehouse_ids = company_id.destination_warehouse_id.sudo()
                if self.picking_type_id.code == 'incoming':
                    operation_type_id = self.env[
                        'stock.picking.type'].sudo().search(
                        [('warehouse_id', 'in', warehouse_ids.ids),
                         ('code', '=', 'outgoing')], limit=1)

                elif self.picking_type_id.code == 'outgoing':
                    operation_type_id = self.env[
                        'stock.picking.type'].sudo().search(
                        [('warehouse_id', 'in', warehouse_ids.ids),
                         ('code', '=', 'incoming')], limit=1)
                else:
                    raise UserError(
                        _('Internal transfer between companies are not allowed'))

                if operation_type_id:
                    if operation_type_id.default_location_src_id:
                        location_id = operation_type_id.default_location_src_id.id
                    elif self.company_id.partner_id:
                        location_id = self.partner_id.property_stock_supplier.id

                    if operation_type_id.default_location_dest_id:
                        location_dest_id = operation_type_id.default_location_dest_id.id
                    elif company_id.partner_id:
                        location_dest_id = company_id.partner_id.property_stock_customer.id
                if location_id and location_dest_id:
                    picking_vals = {
                        'partner_id': self.company_id.partner_id.id,
                        'company_id': company_id.id,
                        'picking_type_id': operation_type_id.id,
                        'location_id': location_id,
                        'location_dest_id': location_dest_id,
                        'auto_generated': True,
                        'origin': self.name
                    }
                    picking_id = self.env['stock.picking'].sudo().create(
                        picking_vals)
                else:
                    raise UserError(
                        _('Please configure appropriate locations '
                          'on Operation type/Partner'))

                for move in self.move_ids:
                    lines = self.move_line_ids.filtered(
                        lambda x: x.product_id == move.product_id)
                    done_qty = sum(lines.mapped('quantity'))
                    if not done_qty:
                        done_qty = sum(lines.move_id.mapped('product_uom_qty'))
                    move_vals = {
                        'picking_id': picking_id.id,
                        'picking_type_id': operation_type_id.id,
                        'name': move.name,
                        'product_id': move.product_id.id,
                        'product_uom': move.product_uom.id,
                        'product_uom_qty': done_qty,
                        'location_id': location_id,
                        'location_dest_id': location_dest_id,
                        'company_id': company_id.id,
                    }
                    self.env['stock.move'].sudo().create(move_vals)
                if picking_id:
                    picking_id.sudo().action_confirm()
                    picking_id.sudo().action_assign()