#-*- 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 self.view_format == 'import':
        #import pdb;pdb.set_trace()
        try:
            dt = datastructure[widget_id].strip() 
            date,time,dummy = dt.split()
            y,m,d = date.split('/')
            hour,minute,second = time.split(':')
        except:
            datastructure.setError(widget_id, 'cpsschemas_err_date')
            return 0
        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
    else:
        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 = re.split(r'[/,\-,\.]',date) # always use d/m/y and use /,- or . as separator
                #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