import functools

from django.template.defaultfilters import date, time
from django.templatetags.tz import localtime
from django.utils.translation import gettext as _

from . import registry


def localtime_wrapper(func):
    @functools.wraps(func)
    def wrapper(datetime, *args, **kwargs):
        if getattr(datetime, "convert_to_local_time", True):
            datetime = localtime(datetime)
        return func(datetime, *args, **kwargs)

    return wrapper


registry.filter(localtime_wrapper(date))
registry.filter(localtime_wrapper(time))


@registry.function
@registry.render_with("widgets/relative-time.html")
def relative_time(time, format=_("N j, Y, g:i a"), rel=_("{time}"), abs=_("on {time}")):
    return {"time": time, "format": format, "rel_format": rel, "abs_format": abs}