from django.http import HttpResponse
from django.utils import simplejson
from PersonasBackend.personas import models

JSON_CATEGORY_ID_TEMPLATE = "personas-category-%d"
JSON_PERSONA_ID_TEMPLATE = "persona-%d"

def _makeJsonResponse( obj ):
    json = simplejson.dumps( obj, indent=4 )
    response = HttpResponse( json )
    response["Content-Type"] = "text/plain"
    return response

def categories_json( request ):
    categoryDicts = [
        {"label": "Most Popular", "id" : "personas-popular-menu",
         "type" : "list", "parent" : "top" },
	{"label": "Recent", "id" : "personas-recent-menu",
         "type" : "recent", "parent" : "top" },
	{"label": "New", "id" : "personas-new-menu",
         "type" : "list", "parent" : "top" },
	{"label": "All", "id" : "personas-category-menu",
         "type" : "category", "parent" : "top" },
        ]

    for category in models.Category.objects.all():
        categoryDicts.append(
            {"label" : category.name,
             "id" : JSON_CATEGORY_ID_TEMPLATE % category.id,
             "type" : "list",
             "parent" : "personas-category-menu"}
            )

    return _makeJsonResponse( {"categories" : categoryDicts} )

def personas_json( request ):
    personaDicts = []

    for persona in models.Persona.objects.all():
        # TODO: Make sure the Persona is marked as published.
        personaDicts.append(
            {"label" : persona.name,
             "id" : JSON_PERSONA_ID_TEMPLATE % persona.id,
             "dark" : ( persona.color_scheme == "dark" ),
             "baseURL" : "",
             "headerURL" : persona.header_img,
             "footerURL" : persona.footer_img,
             "menu" : JSON_CATEGORY_ID_TEMPLATE % persona.category.id,
             "preview" : "yes"}
            )

    return _makeJsonResponse( {"personas" : personaDicts} )