#-*- mode: python; mode: fold -*-
import re
from DateTime.DateTime import DateTime
from Products.CPSSchemas.ExtendedWidgets import CPSDateTimeWidget
CPSDateTimeWidget.time_hour_default = '00'

def validate(self, datastructure, **kw):
    """Validate datastructure and update datamodel."""
    datamodel = datastructure.getDataModel()
    field_id = self.fields[0]
    widget_id = self.getWidgetId()
    if datastructure.has_key(widget_id + '_date'):
        date = datastructure[widget_id + '_date'].strip()
    else:
        date = datastructure[widget_id].strip()
    if datastructure.has_key(widget_id + '_hour'):
        hour = datastructure[widget_id + '_hour'].strip()
    else:
        hour = self.time_hour_default
    if datastructure.has_key(widget_id + '_minute'):
        minute = datastructure[widget_id + '_minute'].strip()
    else:
        minute = self.time_minutes_default

    if not (date):
        if self.is_required:
            datastructure[widget_id] = ''
            datastructure.setError(widget_id, 'cpsschemas_err_required')
            return 0
        else:
            datamodel[field_id] = None
            return 1
    # import pdb;pdb.set_trace()
    if self.view_format.startswith('iso8601'):
        if re.match(r'^[0-9]+-[0-9]{2}-[0-9]{2}', date) is not None:
            y, m, d = date.split('-')
        else:
            datastructure.setError(widget_id, 'cpsschemas_err_date')
            return 0
    else:
        if re.match(r'^[0-9]?[0-9]/[0-9]?[0-9]/[0-9]{2,4}$', date) is not None:
            d, m, y = date.split('/') # always use d/m/y
            # locale = self.translation_service.getSelectedLanguage()
            # if False and locale in ('en', 'hu'): 
            #     m, d, y = date.split('/')
            # else:
        else:
            datastructure.setError(widget_id, 'cpsschemas_err_date')
            return 0

    try:
        v = DateTime(int(y), int(m), int(d), int(hour), int(minute))
    except (ValueError, TypeError, DateTime.DateTimeError,
            DateTime.SyntaxError, DateTime.DateError):
        datastructure.setError(widget_id, 'cpsschemas_err_date')
        return 0
    else:
        datastructure[widget_id] = v
        datamodel[field_id] = v
        return 1
    

CPSDateTimeWidget.validate = validate