# This code is a backport from odoo v14
# Copyright Odoo SA
# Same licence as Odoo (LGPL)

from odoo import api, fields, models, _


class SaleOrder(models.Model):
    _inherit = 'sale.order'

    mrp_production_count = fields.Integer(
        "Count of MO generated",
        compute='_compute_mrp_production_count',
        groups='mrp.group_mrp_user')

    @api.depends('procurement_group_id.stock_move_ids.created_production_id')
    def _compute_mrp_production_count(self):
        for sale in self:
            sale.mrp_production_count = len(sale.procurement_group_id.stock_move_ids.mapped('created_production_id'))

    def action_view_mrp_production(self):
        self.ensure_one()
        mrp_production_ids = self.procurement_group_id.stock_move_ids.mapped('created_production_id').ids
        action = {
            'res_model': 'mrp.production',
            'type': 'ir.actions.act_window',
        }
        if len(mrp_production_ids) == 1:
            action.update({
                'view_mode': 'form',
                'res_id': mrp_production_ids[0],
            })
        else:
            action.update({
                'name': _("Manufacturing Orders Generated by %s" % self.name),
                'domain': [('id', 'in', mrp_production_ids)],
                'view_mode': 'tree,form',
            })
        return action