"""Helper functions

Consists of functions to typically be used within templates, but also
available to Controllers. This module is available to templates as 'h'.
"""
# Import helpers as desired, or define your own, ie:
#from webhelpers.html.tags import checkbox, password

from pylons import url
import wrpylib.wrvalidators
from webhelpers.html.tags import file, form, end_form, submit

def wiki(page_title=None):
    "Creates a link to the specified page in the www.winterrodeln.org wiki"
    if page_title is None: page_title = 'Hauptseite'
    return 'http://www.winterrodeln.org/wiki/' + page_title


def forum(forum=None):
    "Creates a link to the specified forum. If no id is given, a general link is created."
    if forum is None: return 'http://winterrodeln-forum.org/'
    return 'http://winterrodeln-forum.org/viewforum.php?f=%d' % forum


def google_maps(latitude, longitude):
    "Builds an URL like http://maps.google.at/maps?q=47.200607,11.260007"
    return "http://maps.google.at/maps?q=%.6f,%.6f" % (latitude, longitude)


def bool(value):
    "Takes a bool value and creates a German representation"
    return wrpylib.wrvalidators.GermanBoolNone().from_python(value)


def tristate_tuple(yes, no):
    "Takes a German representation of a tristate value"
    return wrpylib.wrvalidators.GermanTristateTuple().from_python((yes, no))


def tristate_float(value):
    "Takes a German representation of a tristate value"
    return wrpylib.wrvalidators.GermanTristateFloat().from_python(value)


def public_transport(value):
    if isinstance(value, int): value = int(value)
    return wrpylib.wrvalidators.GermanPublicTransport().from_python(value)