#!/usr/bin/python2.6
# -*- coding: iso-8859-15 -*-
# $Id$
# $HeadURL$
"""This module contains winterrodeln specific functions that are prcocessing the MediaWiki markup.
"""
import re
import formencode
import wrpylib.wrvalidators
import wrpylib.mwmarkup


def _conv(fnct, value, fieldname):
    """Internal function.
    Like one of the to_xxx functions (e.g. to_bool), but adds the field name to the error message"""
    try: return fnct(value)
    except formencode.Invalid as e: raise formencode.Invalid(u"Conversion error in field '%s': %s" % (fieldname, unicode(e)), e.value, e.state)


def rodelbahnbox_to_sledrun(wikitext, sledrun=None):
    """Converts a sledrun wiki page containing the {{Rodelbahnbox}}
    to a sledrun. sledrun may be an instance of WrSledrunCache or an "empty" class (object()) (default).
    Raises a formencode.Invalid exception if the format is not OK or the Rodelbahnbox is not found.
    :return: (start, end, sledrun) tuple of the Rodelbahnbox."""
    if sledrun is None:
        class Sledrun(object): pass
        sledrun = Sledrun()

    # match Rodelbahnbox
    start, end = wrpylib.mwmarkup.find_template(wikitext, u'Rodelbahnbox')
    if start is None: raise formencode.Invalid(u"Rodelbahnbox nicht gefunden", wikitext, None)
    template_name, properties = wrpylib.mwmarkup.split_template(wikitext[start:end])
    
    # process properties
    for key, value in properties.iteritems():
        if   key == u'Position': sledrun.position_latitude, sledrun.position_longitude = _conv(wrpylib.wrvalidators.GeoNone().to_python, value, key) # '47.583333 N 15.75 E'
        elif key == u'Position oben': sledrun.top_latitude, sledrun.top_longitude = _conv(wrpylib.wrvalidators.GeoNone().to_python, value, key) # '47.583333 N 15.75 E'
        elif key == u'Höhe oben': sledrun.top_elevation = _conv(wrpylib.wrvalidators.UnsignedNone().to_python, value, key) # '2000'
        elif key == u'Position unten': sledrun.bottom_latitude, sledrun.bottom_longitude = _conv(wrpylib.wrvalidators.GeoNone().to_python, value, key) # '47.583333 N 15.75 E'
        elif key == u'Höhe unten': sledrun.bottom_elevation = _conv(wrpylib.wrvalidators.UnsignedNone().to_python, value, key) # '1200'
        elif key == u'Länge': sledrun.length = _conv(wrpylib.wrvalidators.UnsignedNone().to_python, value, key) # 3500
        elif key == u'Schwierigkeit': sledrun.difficulty = _conv(wrpylib.wrvalidators.GermanDifficulty().to_python, value, key) # 'mittel' elif key == u'Lawinen': sledrun.avalanches = _conv(wrpylib.wrvalidators.GermanAvalanches().to_python, value, key) # 'kaum'
        elif key == u'Lawinen': sledrun.avalanches = _conv(wrpylib.wrvalidators.GermanAvalanches().to_python, value, key) # 'kaum'
        elif key == u'Betreiber': sledrun.operator = _conv(wrpylib.wrvalidators.UnicodeNone().to_python, value, key) # 'Max Mustermann'
        elif key == u'Öffentliche Anreise': sledrun.public_transport = _conv(wrpylib.wrvalidators.GermanPublicTransport().to_python, value, key) # 'Mittelmäßig'
        elif key == u'Gehzeit': sledrun.walkup_time = _conv(wrpylib.wrvalidators.UnsignedNone().to_python, value, key) # 90
        elif key == u'Aufstieg möglich': sledrun.walkup_possible = _conv(wrpylib.wrvalidators.GermanBoolNone().to_python, value, key) # 'Ja'
        elif key == u'Aufstieg getrennt': sledrun.walkup_separate, sledrun.walkup_separate_comment = _conv(wrpylib.wrvalidators.GermanTristateFloatComment().to_python, value, key) # 'Ja'
        elif key == u'Aufstiegshilfe': sledrun.lift, sledrun.lift_details = _conv(wrpylib.wrvalidators.GermanLift().to_python, value, key) # 'Gondel (unterer Teil)'
        elif key == u'Beleuchtungsanlage': sledrun.night_light, sledrun.night_light_comment = _conv(wrpylib.wrvalidators.GermanTristateFloatComment().to_python, value, key)
        elif key == u'Beleuchtungstage': sledrun.night_light_days, sledrun.night_light_days_comment = _conv(wrpylib.wrvalidators.UnsignedCommentNone(7).to_python, value, key) # '3 (Montag, Mittwoch, Freitag)'
        elif key == u'Rodelverleih': sledrun.sled_rental, sledrun.sled_rental_comment = _conv(wrpylib.wrvalidators.SledRental().to_python, value, key) # 'Talstation Serlesbahnan'
        elif key == u'Gütesiegel': sledrun.cachet = _conv(wrpylib.wrvalidators.GermanCachet().to_python, value, key) # 'Tiroler Naturrodelbahn-Gütesiegel 2009 mittel'
        elif key == u'Webauskunft': sledrun.information_web = _conv(wrpylib.wrvalidators.UrlNeinNone().to_python, value, key) # 'http://www.nösslachhütte.at/page9.php'
        elif key == u'Telefonauskunft': sledrun.information_phone = _conv(wrpylib.wrvalidators.PhoneCommentListNeinLoopNone(comments_are_optional=False).to_python, value, key) # '+43-664-5487520 (Mitterer Alm)'
        elif key == u'Bild': sledrun.image = _conv(wrpylib.wrvalidators.UnicodeNone().to_python, value, key)
        elif key == u'In Übersichtskarte': sledrun.show_in_overview = _conv(wrpylib.wrvalidators.GermanBoolNone().to_python, value, key)
        elif key == u'Forumid': sledrun.forum_id = _conv(wrpylib.wrvalidators.UnsignedNeinNone().to_python, value, key)
        else: raise formencode.Invalid(u"Unbekannte Eigenschaft der Rodelbahnbox: '%s' (mit Wert '%s')" % (key, value), value, None)
    return start, end, sledrun


def sledrun_to_rodelbahnbox(sledrun, version):
    """Converts a sledrun class to the {{Rodelbahnbox}} representation.
    The sledrun class has to have properties like position_latitude, ...
    See the table sledruncache for field (column) values.
    :param sledrun: an arbitrary class that contains the right properties
    :param version: a string specifying the version of the rodelbahnbox zu produce.
        Version '1.3' and '1.4' are supported."""
    keys = []
    values = []
    keys.append(u'Position')
    values.append(wrpylib.wrvalidators.GeoNone().from_python((sledrun.position_latitude, sledrun.position_longitude)))
    keys.append(u'Position oben')
    values.append(wrpylib.wrvalidators.GeoNone().from_python((sledrun.top_latitude, sledrun.top_longitude)))
    keys.append(u'Höhe oben')
    values.append(wrpylib.wrvalidators.UnsignedNone().from_python(sledrun.top_elevation))
    keys.append(u'Position unten')
    values.append(wrpylib.wrvalidators.GeoNone().from_python((sledrun.bottom_latitude, sledrun.bottom_longitude)))
    keys.append(u'Höhe unten')
    values.append(wrpylib.wrvalidators.UnsignedNone().from_python(sledrun.bottom_elevation))
    keys.append(u'Länge')
    values.append(wrpylib.wrvalidators.UnsignedNone().from_python(sledrun.length))
    keys.append(u'Schwierigkeit')
    values.append(wrpylib.wrvalidators.GermanDifficulty().from_python(sledrun.difficulty))
    keys.append(u'Lawinen')
    values.append(wrpylib.wrvalidators.GermanAvalanches().from_python(sledrun.avalanches))
    keys.append(u'Betreiber')
    values.append(wrpylib.wrvalidators.UnicodeNone().from_python(sledrun.operator))
    keys.append(u'Öffentliche Anreise')
    values.append(wrpylib.wrvalidators.GermanPublicTransport().from_python(sledrun.public_transport))
    if version == '1.4':
        keys.append(u'Aufstieg möglich')
        values.append(wrpylib.wrvalidators.GermanBoolNone().from_python(sledrun.walkup_possible))
    keys.append(u'Gehzeit')
    values.append(wrpylib.wrvalidators.UnsignedNone().from_python(sledrun.walkup_time))
    keys.append(u'Aufstieg getrennt')
    values.append(wrpylib.wrvalidators.GermanTristateFloatComment().from_python((sledrun.walkup_separate, sledrun.walkup_separate_comment)))
    keys.append(u'Aufstiegshilfe')
    values.append(wrpylib.wrvalidators.GermanLift().from_python((sledrun.lift, sledrun.lift_details)))
    keys.append(u'Beleuchtungsanlage')
    values.append(wrpylib.wrvalidators.GermanTristateFloatComment().from_python((sledrun.night_light, sledrun.night_light_comment)))
    keys.append(u'Beleuchtungstage')
    values.append(wrpylib.wrvalidators.UnsignedCommentNone(max=7).from_python((sledrun.night_light_days, sledrun.night_light_days_comment)))
    keys.append(u'Rodelverleih')
    values.append(wrpylib.wrvalidators.SledRental().from_python((sledrun.sled_rental, sledrun.sled_rental_comment)))
    keys.append(u'Gütesiegel')
    values.append(wrpylib.wrvalidators.GermanCachet().from_python(sledrun.cachet))
    keys.append(u'Webauskunft')
    values.append(wrpylib.wrvalidators.UrlNeinNone().from_python(sledrun.information_web))
    keys.append(u'Telefonauskunft')
    values.append(wrpylib.wrvalidators.PhoneCommentListNeinLoopNone(comments_are_optional=False).from_python(sledrun.information_phone))
    keys.append(u'Bild')
    values.append(wrpylib.wrvalidators.UnicodeNone().from_python(sledrun.image))
    keys.append(u'In Übersichtskarte')
    values.append(wrpylib.wrvalidators.GermanBoolNone().from_python(sledrun.show_in_overview))
    keys.append(u'Forumid')
    values.append(wrpylib.wrvalidators.UnsignedNeinNone().from_python(sledrun.forum_id))
    return wrpylib.mwmarkup.create_template(u'Rodelbahnbox', [], keys, values, True, 20)


def gasthausbox_to_inn(wikitext, inn=None):
    """Converts a inn wiki page containing a {{Gasthausbox}} to an inn.
    raises a formencode.Invalid exception if an error occurs.
    :return: (start, end, inn) tuple."""
    if inn is None:
        class Inn(object): pass
        inn = Inn()

    # Match Gasthausbox
    start, end = wrpylib.mwmarkup.find_template(wikitext, u'Gasthausbox')
    if start is None: raise formencode.Invalid(u"No 'Gasthausbox' found", wikitext, None)
    template_name, properties = wrpylib.mwmarkup.split_template(wikitext[start:end])

    # Process properties
    for key, value in properties.iteritems():
        if   key == u'Position': inn.position_latitude, inn.position_longitude = _conv(wrpylib.wrvalidators.GeoNone().to_python, value, key) # '47.583333 N 15.75 E'
        elif key == u'Höhe': inn.position_elevation = _conv(wrpylib.wrvalidators.UnsignedNone().to_python, value, key)
        elif key == u'Betreiber': inn.operator = _conv(wrpylib.wrvalidators.UnicodeNone().to_python, value, key)
        elif key == u'Sitzplätze': inn.seats = _conv(wrpylib.wrvalidators.UnsignedNone().to_python, value, key)
        elif key == u'Übernachtung': inn.overnight, inn.overnight_comment = _conv(wrpylib.wrvalidators.BoolUnicodeTupleValidator().to_python, value, key)
        elif key == u'Rauchfrei': inn.nonsmoker_area, inn.smoker_area = _conv(wrpylib.wrvalidators.GermanTristateTuple().to_python, value, key)
        elif key == u'Rodelverleih': inn.sled_rental, inn.sled_rental_comment = _conv(wrpylib.wrvalidators.BoolUnicodeTupleValidator().to_python, value, key)
        elif key == u'Handyempfang': inn.mobile_provider = _conv(wrpylib.wrvalidators.ValueCommentListNeinLoopNone().to_python, value, key)
        elif key == u'Homepage': inn.homepage = _conv(wrpylib.wrvalidators.UrlNeinNone().to_python, value, key)
        elif key == u'E-Mail': inn.email_list = _conv(wrpylib.wrvalidators.EmailCommentListNeinLoopNone().to_python, value, key)
        elif key == u'Telefon': inn.phone_list = _conv(wrpylib.wrvalidators.PhoneCommentListNeinLoopNone(comments_are_optional=True).to_python, value, key)
        elif key == u'Bild': inn.image = _conv(wrpylib.wrvalidators.UnicodeNone().to_python, value, key)
        elif key == u'Rodelbahnen': inn.sledding_list = _conv(wrpylib.wrvalidators.WikiPageListLoopNone().to_python, value, key)
        else: raise formencode.Invalid(u"Unbekannte Eigenschaft der Gasthausbox: '%s' (mit Wert '%s')" % (key, value), value, None)
    return start, end, inn


def inn_to_gasthausbox(inn):
    """Converts the inn class to the {{Gasthausbox}} representation."""
    keys = []
    values = []
    keys.append(u'Position')
    values.append(wrpylib.wrvalidators.GeoNone().from_python((inn.position_latitude, inn.position_longitude)))
    keys.append(u'Höhe')
    values.append(wrpylib.wrvalidators.UnsignedNone().from_python(inn.position_elevation))
    keys.append(u'Betreiber')
    values.append(wrpylib.wrvalidators.UnicodeNone().from_python(inn.operator))
    keys.append(u'Sitzplätze')
    values.append(wrpylib.wrvalidators.UnsignedNone().from_python(inn.seats))
    keys.append(u'Übernachtung')
    values.append(wrpylib.wrvalidators.BoolUnicodeTupleValidator().from_python((inn.overnight, inn.overnight_comment)))
    keys.append(u'Rauchfrei')
    values.append(wrpylib.wrvalidators.GermanTristateTuple().from_python((inn.nonsmoker_area, inn.smoker_area)))
    keys.append(u'Rodelverleih')
    values.append(wrpylib.wrvalidators.BoolUnicodeTupleValidator().from_python((inn.sled_rental, inn.sled_rental_comment)))
    keys.append(u'Handyempfang')
    values.append(wrpylib.wrvalidators.ValueCommentListNeinLoopNone().from_python(inn.mobile_provider))
    keys.append(u'Homepage')
    values.append(wrpylib.wrvalidators.UrlNeinNone().from_python(inn.homepage))
    keys.append(u'E-Mail')
    values.append(wrpylib.wrvalidators.EmailCommentListNeinLoopNone().from_python(inn.email_list))
    keys.append(u'Telefon')
    values.append(wrpylib.wrvalidators.PhoneCommentListNeinLoopNone(comments_are_optional=True).from_python(inn.phone_list))
    keys.append(u'Bild')
    values.append(wrpylib.wrvalidators.UnicodeNone().from_python(inn.image))
    keys.append(u'Rodelbahnen')
    values.append(wrpylib.wrvalidators.WikiPageListLoopNone().from_python(inn.sledding_list))
    result = [u'{{Gasthausbox']
    return wrpylib.mwmarkup.create_template(u'Gasthausbox', [], keys, values, True)