# These are versions of the functions in django.utils.translation.trans_real
# that don't actually do anything. This is purely for performance, so that
# settings.USE_I18N = False can use this module rather than trans_real.py.

from django.conf import settings
from django.utils.encoding import force_text
from django.utils.safestring import mark_safe, SafeData


def ngettext(singular, plural, number):
    if number == 1:
        return singular
    return plural
ngettext_lazy = ngettext


def ungettext(singular, plural, number):
    return force_text(ngettext(singular, plural, number))


def pgettext(context, message):
    return ugettext(message)


def npgettext(context, singular, plural, number):
    return ungettext(singular, plural, number)

activate = lambda x: None
deactivate = deactivate_all = lambda: None
get_language = lambda: settings.LANGUAGE_CODE
get_language_bidi = lambda: settings.LANGUAGE_CODE in settings.LANGUAGES_BIDI
check_for_language = lambda x: True

# date formats shouldn't be used using gettext anymore. This
# is kept for backward compatibility
TECHNICAL_ID_MAP = {
    "DATE_WITH_TIME_FULL": settings.DATETIME_FORMAT,
    "DATE_FORMAT": settings.DATE_FORMAT,
    "DATETIME_FORMAT": settings.DATETIME_FORMAT,
    "TIME_FORMAT": settings.TIME_FORMAT,
    "YEAR_MONTH_FORMAT": settings.YEAR_MONTH_FORMAT,
    "MONTH_DAY_FORMAT": settings.MONTH_DAY_FORMAT,
}


def gettext(message):
    result = TECHNICAL_ID_MAP.get(message, message)
    if isinstance(message, SafeData):
        return mark_safe(result)
    return result


def ugettext(message):
    return force_text(gettext(message))

gettext_noop = gettext_lazy = _ = gettext


def to_locale(language):
    p = language.find('-')
    if p >= 0:
        return language[:p].lower() + '_' + language[p + 1:].upper()
    else:
        return language.lower()


def get_language_from_request(request, check_path=False):
    return settings.LANGUAGE_CODE


def get_language_from_path(request, supported=None):
    return None