# -*- coding: utf-8 -*-
from openerp.http import request

_MODEL = 'sale.order'

'''
    Create sale from pos cart
'''
def create_sale_from_cart(partner_id, cart_items, date_confirm, currency_id, payment_term_id=None):
    '''
    '''
    def get_pricelist(currency_id):
        domain = [
            ('active', '=', True),
            ('type', '=', 'sale')
        ]
        pricelist = request.env['product.pricelist'].search(domain)

        if not True in pricelist.mapped(lambda p: p.currency_id.id == currency_id):
            pricelist = pricelist[0].copy()
            pricelist.write({
                'currency_id': currency_id
            })
        else:
            pricelist = pricelist.filtered(lambda p: p.currency_id.id == currency_id)
        
        return pricelist

    '''
    '''
    def compute_cart_item_price(price, currency_id, partner_id=None):
        from_currency = request.env.user.company_id.currency_id
        to_currency = request.env['res.currency'].search([('id', '=', currency_id)])

        return from_currency.compute(price, to_currency)

    '''
    '''
    def compute_cart_item_discount(price, product_id, currency_id):
        from_currency = request.env.user.company_id.currency_id
        to_currency = request.env['res.currency'].search([('id', '=', currency_id)])

        product = request.env['product.product'].search([('id', '=', product_id)])
        computed_price = from_currency.compute(price, to_currency)

        return 1.0 - (price / product.list_price)

    pricelist = get_pricelist(currency_id)

    values = {
        'partner_id': partner_id,
        'order_line': [[0, False, {
            'product_id': int(line.get('id')),
            'product_uom_qty': float(line.get('quantity')),
            'price_unit': compute_cart_item_price(float(line.get('price')), currency_id),
            'discount': compute_cart_item_discount(float(line.get('price')), float(line.get('id')), currency_id)
        }] for line in cart_items],
        'picking_policy': 'direct',
        'date_confirm': date_confirm,
        'currency_id': currency_id,
        'pricelist_id': pricelist.id,
        'payment_term': payment_term_id,
        'state': 'draft',
    }

    return request.env[_MODEL].create(values)

'''
'''
def confirm_sale_order(sale_order_id):
    sale_order = request.env['sale.order'].browse(sale_order_id)
    sale_order.write({
        'state': 'manual'
    })

    return sale_order.action_button_confirm()