from piston.handler import BaseHandler
from piston.utils import rc
from k4ever.buyable.models import *
from k4ever.transaction.models import *
from decorators import changeUserOnPlugin

class BuyableItemHandler(BaseHandler):
	allowed_methods = ('GET', 'POST')
	#fields = ('id', 'description')
	model = Buyable
	exclude = ('_*',)
	
	def read(self, request, itemId=None):
		if itemId == None:
			if request.GET.has_key('type'):
				obj = Buyable.objects.filter(buyableType__name=request.GET['type'])
			else:
				obj = Buyable.objects.all()
			return obj
		try:
			return Buyable.objects.get(id=itemId)
		except Buyable.DoesNotExist:
			error = rc.NOT_FOUND
			error.write("This buyable does not exist in our database")
			return error
	
	def getInt(self, d, key, default):
		try:
			return int(d.get(key, default))
		except ValueError:
			return default
	
	def create(self, request, itemId=None):
		if not itemId:
			return rc.BAD_REQUEST
		item = None
		try:
			item = Buyable.objects.get(id=itemId)
		except Buyable.DoesNotExist:
			return rc.NOT_FOUND
		
		# parse post data
		data = request.POST
		deposit = self.getInt(data, 'deposit', 0)
		amount = self.getInt(data, 'amount', 1)
		if amount < 1:
			return rc.BAD_REQUEST
		if item.hasDeposit() and deposit > 0:
			return rc.BAD_REQUEST # this is just the user being plain stupid
		order = Order()
		order.create(request.user)
		order.save()
		
		for i in range(amount):
			p = Purchase.create(order, item, isDeposit=False)
			p.save()
			if deposit > 0:
				p = Purchase.create(order, item, isDeposit=True)
				p.save()
		order.updatePrice(commit=True)
		order.save()
				
		return rc.ALL_OK

class BuyableTypeHandler(BaseHandler):
	allowed_methods = ('GET',)
	model = BuyableType

class TransactionTransactHandler(BaseHandler):
	allowed_methods = ('GET', 'POST')
	model = Transaction

class TransactionTypeHandler(BaseHandler):
	allowed_methods = ('GET',)
	model = TransactionType

class AccountBalance(BaseHandler):
	allowed_methods = ('GET',)
	def read(self, request):
		pass

class AuthBlobHandler(BaseHandler):
	# allowed_methods = ('GET', 'POST')
	# model = 
	pass

class ConfigHandler(BaseHandler):
	allowed_methods = ('GET',)
	
	def read(self, request):
		return {
					'version':	'0.1',
					'mediaurl':	'http://devcat.someserver.de:13805/media',
			   }