# -*- coding: utf-8 -*-

from django.http import HttpResponse, HttpResponseRedirect

class EnforceActiveProjectProxy():
    
    def do_debug_output(self, request, *args, **kwargs):
        print "\n########## <session> ##########"
        print ',\n'.join("%s: %s" % item for item in request.session.items())        
        print "########## </session> ##########"        
        print "\n########## <request> ##########"
        print ',\n'.join("%s: %s" % item for item in vars(request).items())
        print "########## </request> ##########"
        print "\n########## <args> ##########"
        print args
        print "########## </args> ##########"
        print "\n########## <kwargs> ##########"
        print kwargs
        print "########## </kwargs> ##########\n"
            
    def do_project_id_check(self, request, *args, **kwargs):
        # kwargs project_id AND path project_id have to match!
        print request.path
        try:
            project_id_arg = args[2][u'project_id']
            if request.session[u'project_id'] != None:
                print "Active project ID: " + request.session[u'project_id']
                if project_id_arg != request.session[u'project_id']:
                    return HttpResponse("<proxy> You tried to work on a project with ID " + project_id_arg + ", but your active project id is " + request.session['project_id'] + ".")            
        except KeyError:
            print "No project attribute set."
        return None
    
    def process_view(self,  request, *args, **kwargs):
        print "\n##########  <EnforceActiveProjectProxy:process_view> ##########"
        self.do_debug_output(request, *args, **kwargs)
        print "########## </EnforceActiveProjectProxy:process_view> ##########\n"
        return self.do_project_id_check(request, *args, **kwargs)


"""    def process_request(self,  request, *args, **kwargs):
        return None
        print "\n########## <EnforceActiveProjectProxy:process_request> ##########"
        self.do_debug_output(request, *args, **kwargs)
        print "########## </EnforceActiveProjectProxy:process_request> ##########\n"
        return None
"""