from breve import Template
from breve.tags import html
from django.http import HttpResponse

from django.conf import settings 
BREVE_ROOT = settings.BREVE_ROOT

def flatten_string(obj):
    return unicode(obj).encode(settings.DEFAULT_CHARSET)

class _loader ( object ):
    def __init__ ( self, root, breve_opts = None ):
        self.breve_opts = breve_opts or { }
        self.template_root = root

    def get_template ( self, template ):
        self.template_filename = template
        self.template_obj = Template ( tags = html.tags, root = self.template_root )
        return self
    
    def render ( self, vars = None ):
        self.vars = vars or { }
        return flatten_string(self.template_obj.render ( template = self.template_filename,
                                          vars = vars, **self.breve_opts ))

loader = _loader ( root = BREVE_ROOT )

def render_to_response ( template, vars = None ):
    t = loader.get_template ( template )
    return HttpResponse ( flatten_string(t.render ( vars )))

def render_to_string ( template, vars = None ):
    t = loader.get_template ( template )
    return flatten_string(t.render ( vars ))