# ERPNext - web based ERP (http://erpnext.com)
# Copyright (C) 2012 Web Notes Technologies Pvt Ltd
# 
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from __future__ import unicode_literals
import webnotes
from webnotes.utils import cint
from setup.utils import get_company_currency

from controllers.accounts_controller import AccountsController

class SellingController(AccountsController):
	def validate(self):
		self.set_total_in_words()
		
	def set_total_in_words(self):
		from webnotes.utils import money_in_words
		company_currency = get_company_currency(self.doc.company)
		
		disable_rounded_total = cint(webnotes.conn.get_value("Global Defaults", None, 
			"disable_rounded_total"))
			
		if self.meta.get_field("in_words"):
			self.doc.in_words = money_in_words(disable_rounded_total and 
				self.doc.grand_total or self.doc.rounded_total, company_currency)
		if self.meta.get_field("in_words_export"):
			self.doc.in_words_export = money_in_words(disable_rounded_total and 
				self.doc.grand_total_export or self.doc.rounded_total_export, self.doc.currency)
	
	def get_stock_ledger_entries(self):
		item_list, warehouse_list = self.get_distinct_item_warehouse()
		if item_list and warehouse_list:
			return webnotes.conn.sql("""select item_code, voucher_type, voucher_no,
				voucher_detail_no, posting_date, posting_time, stock_value,
				warehouse, actual_qty as qty from `tabStock Ledger Entry` 
				where ifnull(`is_cancelled`, "No") = "No" and company = %s 
				and item_code in (%s) and warehouse in (%s)
				order by item_code desc, warehouse desc, posting_date desc, 
				posting_time desc, name desc""" % 
				('%s', ', '.join(['%s']*len(item_list)), ', '.join(['%s']*len(warehouse_list))), 
				tuple([self.doc.company] + item_list + warehouse_list), as_dict=1)

	def get_distinct_item_warehouse(self):
		item_list = []
		warehouse_list = []
		for item in self.doclist.get({"parentfield": self.fname}) \
				+ self.doclist.get({"parentfield": "packing_details"}):
			item_list.append(item.item_code)
			warehouse_list.append(item.warehouse)
			
		return list(set(item_list)), list(set(warehouse_list))