##parameters=order='', shipping='', set_shipping=''
from Products.CMFCore.utils import getToolByName
from Products.Portfolio.utils import translate
from Products.photoprint.exceptions import SoldOutError
from Products.photoprint.cart import PrintCart
from Products.photoprint.price import Price

def _(message) : return translate(message, context).encode('utf-8')

options = {}
session = context.REQUEST.SESSION
sg = session.get
cart = sg('cart', PrintCart())
utool = getToolByName(context, 'portal_url')
portal_url = utool()
portal = utool.getPortalObject()
uidh = portal.portal_uidhandler
pptool = portal.portal_photo_print
mtool = portal.portal_membership
isAnon = mtool.isAnonymousUser()
form = context.REQUEST.form
nextStep = None

if cart.locked :
	pendingOrder = context.restrictedTraverse(cart.pendingOrderPath)
	return context.setRedirect(pendingOrder, 'object/view', ajax=form.get('ajax'))

if order :
	if isAnon :
		atool = portal.portal_actions
		came_from = '%s/my_cart' % portal_url
		return context.setRedirect(atool, 'customer/login', came_from=came_from, ajax=form.get('ajax'))

if shipping :
	member = mtool.getAuthenticatedMember()
	options['shipping_fullname']	= member.getMemberFullName(nameBefore=0)
	options['shipping_address']		= member.getProperty('billing_address')
	options['shipping_city']		= member.getProperty('billing_city')
	options['shipping_zipcode']		= member.getProperty('billing_zipcode')
	options['shipping_country']		= member.getProperty('country')
	return context.shipping_template(**options)

if set_shipping :
	fg = lambda name : form.get(name,'').strip()
	if context.shipping_set_control(**form) :
		order = pptool.addPrintOrder(cart)
		return context.setRedirect(order, 'object/view', ajax=fg('ajax'))
	else :
		for name in [ 'shipping_fullname'
					, 'shipping_address'
					, 'shipping_city'
					, 'shipping_zipcode'
					, 'shipping_country'] :
			options[name] = fg(name)
		return context.shipping_template(**options)

if isAnon :
	nextStep = {'name':'order', 'value' : _('Order >>')}
else :
	nextStep = {'name':'shipping', 'value' : _('Shipping >>')}
	

msg = ''

for k, v in form.items() :
	if hasattr(v, 'items') :
		uid, templateId = k.split('_',1)
		if v.has_key('refresh') :
			quantity = v['quantity']
			try :
				quantity = int(quantity)
			except ValueError:
				msg = _('You must enter an integer for quantity (found: %s)') % quantity
			if quantity <= 0 :
				msg = _('You must enter a positive value for quantity (found: %s)') % quantity
			if not msg :
				item = {'cmf_uid'			: uid
					   ,'printing_template' : templateId
					   ,'quantity'			: quantity}
				try :
					cart.update(context, item)
				except SoldOutError, e :
					n = e.n
					if n > 1 :
						msg = _("Only %d available copies of this photo in this size.") % n
					elif n == 1 :
						msg = _("Only one last available copy of this photo in this size.")
					else :
						msg = _("No more available copy of this photo and in this size.")
					

		if v.has_key('delete'):
			cart.remove(context, uid, templateId)

options['empty'] = not cart
infos = []
prices = []
quantityTotal = 0
for item in cart :
	b = uidh.getBrain(item['cmf_uid'])
	poptions = pptool.getPrintingOptionsContainerFor(b.getObject())
	pt = getattr(poptions, item['printing_template'])
	size = b.getThumbnailSize
	d = {'thumbUrl' : '%s/getThumbnail' % b.getURL()
		,'thumbHeight' : size['height'] / 2
		,'thumbWidth' : size['width'] / 2
		,'alt' : ('%s - %s' % (b.Title, b.Description)).strip(' -')
		,'cmf_uid':b.cmf_uid
		,'title': pt.title
		,'description': pt.description
		,'quantity':item['quantity']
		,'amount': '%s €' % (pt.price * item['quantity']).taxed
		,'templateId': pt.getId()
		}
	quantityTotal += item['quantity']
	prices.append(pt.price * item['quantity'])
	infos.append(d)

options['infos'] = infos
if len(prices) == 1:
	pricesTotal = prices[0]
elif len(prices) > 1 :
	pricesTotal = reduce(lambda a, b : a + b, prices)

if prices :
	options['pricesTotal'] = pricesTotal
	options['quantityTotal'] = quantityTotal
	shippingFees = pptool.getShippingFeesFor(price=pricesTotal)
	options['shippingFees'] = shippingFees
	options['totalAmount'] = pricesTotal + shippingFees

breadcrumbs = [
	{ 'id'		: 'root'
	, 'title'	: portal.title
	, 'url'		: portal_url},

	{'id'		: 'my_cart'
	,'title'	: _('My cart')
	, 'url'		: '%s/my_cart' % portal_url}
	]

options['breadcrumbs'] = breadcrumbs

if msg :
	context.REQUEST.other['portal_status_message'] = msg
options['cartIsOrder'] = False
options['nextStep'] = nextStep
return context.my_cart_template(**options)