# -*- coding: utf-8 -*-
##############################################################################
#
#    OpenERP, Open Source Management Solution
#    Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License 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 <http://www.gnu.org/licenses/>.
#
##############################################################################

from openerp.osv import fields, osv


class product_template(osv.osv):
    _inherit = "product.template"
    def _bom_orders_count(self, cr, uid, ids, field_name, arg, context=None):
        Bom = self.pool('mrp.bom')
        res = {}
        for product_tmpl_id in ids:
            nb = Bom.search_count(cr, uid, [('product_tmpl_id', '=', product_tmpl_id)], context=context)
            res[product_tmpl_id] = {
                'bom_count': nb,
            }
        return res

    def _bom_orders_count_mo(self, cr, uid, ids, name, arg, context=None):
        res = {}
        for product_tmpl_id in self.browse(cr, uid, ids):
            res[product_tmpl_id.id] = sum([p.mo_count for p in product_tmpl_id.product_variant_ids])
        return res

    _columns = {
        'bom_ids': fields.one2many('mrp.bom', 'product_tmpl_id','Bill of Materials'),
        'bom_count': fields.function(_bom_orders_count, string='# Bill of Material', type='integer', multi="_bom_order_count"),
        'mo_count': fields.function(_bom_orders_count_mo, string='# Manufacturing Orders', type='integer'),
        'produce_delay': fields.float('Manufacturing Lead Time', help="Average delay in days to produce this product. In the case of multi-level BOM, the manufacturing lead times of the components will be added."),
        'track_production': fields.boolean('Track Manufacturing Lots', help="Forces to specify a Serial Number for all moves containing this product and generated by a Manufacturing Order"),
    }

    _defaults = {
        'produce_delay': 1,
    }
    
    
    def action_view_mos(self, cr, uid, ids, context=None):
        products = self._get_products(cr, uid, ids, context=context)
        result = self._get_act_window_dict(cr, uid, 'mrp.act_product_mrp_production', context=context)
        if len(ids) == 1 and len(products) == 1:
            result['context'] = "{'default_product_id': " + str(products[0]) + ", 'search_default_product_id': " + str(products[0]) + "}"
        else:
            result['domain'] = "[('product_id','in',[" + ','.join(map(str, products)) + "])]"
            result['context'] = "{}"
        return result

    

class product_product(osv.osv):
    _inherit = "product.product"
    def _bom_orders_count(self, cr, uid, ids, field_name, arg, context=None):
        Production = self.pool('mrp.production')
        res = {}
        for product_id in ids:
            res[product_id] = Production.search_count(cr,uid, [('product_id', '=', product_id)], context=context)
        return res

    _columns = {
        'mo_count': fields.function(_bom_orders_count, string='# Manufacturing Orders', type='integer'),
    }
    
    def action_view_bom(self, cr, uid, ids, context=None):
        tmpl_obj = self.pool.get("product.template")
        products = set()
        for product in self.browse(cr, uid, ids, context=context):
            products.add(product.product_tmpl_id.id)
        result = tmpl_obj._get_act_window_dict(cr, uid, 'mrp.product_open_bom', context=context)
        # bom specific to this variant or global to template
        domain = [
            '|',
                ('product_id', 'in', ids),
                '&',
                    ('product_id', '=', False),
                    ('product_tmpl_id', 'in', list(products)),
        ]
        result['context'] = "{'default_product_id': active_id, 'search_default_product_id': active_id, 'default_product_tmpl_id': %s}" % (len(products) and products.pop() or 'False')
        result['domain'] = str(domain)
        return result

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