# -*- 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 osv import fields, osv

from tools.translate import _

class stock_invoice_onshipping(osv.osv_memory):
    _name = "stock.invoice.onshipping"
    _description = "Stock Invoice Onshipping"
    _columns = {
        'journal_id': fields.many2one('account.journal', 'Destination Journal', required=True),
        'group': fields.boolean("Group by partner"),
        'type': fields.selection([('out_invoice', 'Customer Invoice'),
                    ('in_invoice', 'Supplier Invoice'),
                    ('out_refund', 'Customer Refund'),
                    ('in_refund', 'Supplier Refund')] , 'Type', required=True),
        'invoice_date': fields.date('Invoiced date'),
    }
    
    def view_init(self, cr, uid, fields_list, context=None):
        if context is None:
            context = {}
        res= super(stock_invoice_onshipping, self).view_init(cr, uid, fields_list, context=context)            
        pick_obj=self.pool.get('stock.picking')
        count=0        
        for pick in pick_obj.browse(cr, uid,context.get('active_ids', False)):
            if pick.invoice_state != '2binvoiced':
                count=count+1
        if len(context.get('active_ids'))==1 and count==1:
             raise osv.except_osv(_('Warning !'),'This picking list does not require invoicing.')
        if  len(context.get('active_ids'))==count:
            raise osv.except_osv(_('Warning !'),'None of these picking lists require invoicing.')
        return res
    
    def _get_type(self, cr, uid, context=None):
        """ To get invoice type.
        @param self: The object pointer.
        @param cr: A database cursor
        @param uid: ID of the user currently logged in
        @param ids: The ID or list of IDs if we want more than one
        @param context: A standard dictionary
        @return: Invoice type
        """
        if context is None:
            context = {}
        picking_obj = self.pool.get('stock.picking')
        src_usage = dest_usage = None
        for pick in picking_obj.browse(cr, uid, context['active_ids'], context=context):
            if pick.invoice_state=='2binvoiced':
                if pick.move_lines:
                    src_usage = pick.move_lines[0].location_id.usage
                    dest_usage = pick.move_lines[0].location_dest_id.usage
                if pick.type == 'out' and dest_usage == 'supplier':
                    type = 'in_refund'
                elif pick.type == 'out' and dest_usage == 'customer':
                    type = 'out_invoice'
                elif pick.type == 'in' and src_usage == 'supplier':
                    type = 'in_invoice'
                elif pick.type == 'in' and src_usage == 'customer':
                    type = 'out_refund'
                else:
                    type = 'out_invoice'
        return type

    _defaults = {
        'type': _get_type,
    }

    def create_invoice(self, cr, uid, ids, context):
        """ To create invoice
        @param self: The object pointer.
        @param cr: A database cursor
        @param uid: ID of the user currently logged in
        @param ids: the ID or list of IDs if we want more than one
        @param context: A standard dictionary
        @return: Invoice ids
        """
        result = []
        picking_obj = self.pool.get('stock.picking')
        mod_obj = self.pool.get('ir.model.data')
        act_obj = self.pool.get('ir.actions.act_window')
        for onshipdata_obj in self.read(cr, uid, ids, ['journal_id', 'group', 'type', 'invoice_date']):
            if context.get('new_picking', False):
                onshipdata_obj[id] = onshipdata_obj.new_picking
                onshipdata_obj[ids] = onshipdata_obj.new_picking

            type = onshipdata_obj['type']
            context['date_inv'] = onshipdata_obj['invoice_date']
            res = picking_obj.action_invoice_create(cr, uid,context['active_ids'],
                  journal_id = onshipdata_obj['journal_id'],
                  group=onshipdata_obj['group'],
                  type=type,
                  context=context)
            invoice_ids = res.values()
            if not invoice_ids:
                raise osv.except_osv(_('Error'), _('Invoice is not created'))

        return {
            'domain': "[('id','in', ["+','.join(map(str,invoice_ids))+"])]",
            'name' : _('New picking invoices'),
            'view_type': 'form',
            'view_mode': 'tree,form',
            'res_model': 'account.invoice',
            'views': False,
            'context': context,
            'type': 'ir.actions.act_window',
        }

stock_invoice_onshipping()

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