# -*- coding: utf-8 -*-
#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2004-2005  Donald N. Allingham
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

# $Id$

"""
Spanish-specific classes for parsing and displaying dates.
"""

#-------------------------------------------------------------------------
#
# Python modules
#
#-------------------------------------------------------------------------
import re

#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
import Date
from DateParser import DateParser
from DateDisplay import DateDisplay

#-------------------------------------------------------------------------
#
# Spanish parser
#
#-------------------------------------------------------------------------
class DateParserES(DateParser):

    modifier_to_int = {
        u'antes de'   : Date.MOD_BEFORE, 
        u'antes'      : Date.MOD_BEFORE, 
        u'ant.'       : Date.MOD_BEFORE, 
        u'ant'        : Date.MOD_BEFORE, 
        u'después de' : Date.MOD_AFTER,
        u'después'    : Date.MOD_AFTER,
        u'desp.'      : Date.MOD_AFTER,
        u'desp'       : Date.MOD_AFTER,
        u'aprox.'     : Date.MOD_ABOUT,
        u'aprox'      : Date.MOD_ABOUT,
        u'apr.'       : Date.MOD_ABOUT,
        u'apr'        : Date.MOD_ABOUT,
        u'circa'      : Date.MOD_ABOUT,
        u'ca.'        : Date.MOD_ABOUT,
        u'ca'         : Date.MOD_ABOUT,
        u'c.'         : Date.MOD_ABOUT,
        u'hacia'       : Date.MOD_ABOUT,
        }

    calendar_to_int = {
        u'gregoriano'     : Date.CAL_GREGORIAN,
        u'g'                     : Date.CAL_GREGORIAN,
        u'juliano'                : Date.CAL_JULIAN,
        u'j'                     : Date.CAL_JULIAN,
        u'hebreo'         : Date.CAL_HEBREW,
        u'h'                     : Date.CAL_HEBREW,
        u'islámico'             : Date.CAL_ISLAMIC,
        u'i'                     : Date.CAL_ISLAMIC,
        u'revolucionario': Date.CAL_FRENCH,
        u'r'                     : Date.CAL_FRENCH,
        u'persa'                 : Date.CAL_PERSIAN,
        u'p'                     : Date.CAL_PERSIAN,
        }

    quality_to_int = {
        u'estimado'   : Date.QUAL_ESTIMATED,
        u'est.'       : Date.QUAL_ESTIMATED,
        u'est'        : Date.QUAL_ESTIMATED,
        u'calc.'      : Date.QUAL_CALCULATED,
        u'calc'       : Date.QUAL_CALCULATED,
        u'calculado'  : Date.QUAL_CALCULATED,
        }

    def init_strings(self):
        DateParser.init_strings(self)
        _span_1 = [u'de']
        _span_2 = [u'a']
        _range_1 = [u'ent.',u'ent',u'entre']
        _range_2 = [u'y']
        self._span     = re.compile("(%s)\s+(.+)\s+(%s)\s+(.+)" % 
                                   ('|'.join(_span_1),'|'.join(_span_2)),
                           re.IGNORECASE)
        self._range    = re.compile("(%s)\s+(.+)\s+(%s)\s+(.+)" %
                                   ('|'.join(_range_1),'|'.join(_range_2)),
                           re.IGNORECASE)

#-------------------------------------------------------------------------
#
# Spanish display
#
#-------------------------------------------------------------------------
class DateDisplayES(DateDisplay):

    calendar = (
        "", u" (Juliano)", u" (Hebreo)", 
        u" (Revolucionario)", u" (Persa)", u" (Islámico)"
        )

    _mod_str = ("",u"antes de ",u"después de ",u"hacia ","","","")

    _qual_str = ("","calculado ","estimado ")

    formats = (
        "AAAA-MM-DD (ISO)", "Numérica", "Mes Día, Año",
        "MES Día, Año", "Día Mes, Año", "Día MES, Año"
        )
    
    def display(self,date):
        """
    Returns a text string representing the date.
    """
        mod = date.get_modifier()
        cal = date.get_calendar()
        qual = date.get_quality()
        start = date.get_start_date()

        qual_str = self._qual_str[qual]
        
        if mod == Date.MOD_TEXTONLY:
            return date.get_text()
        elif start == Date.EMPTY:
            return ""
        elif mod == Date.MOD_SPAN:
            d1 = self.display_cal[cal](start)
            d2 = self.display_cal[cal](date.get_stop_date())
            return "%s%s %s %s %s%s" % (qual_str,u'de',d1,u'a',d2,self.calendar[cal])
        elif mod == Date.MOD_RANGE:
            d1 = self.display_cal[cal](start)
            d2 = self.display_cal[cal](date.get_stop_date())
            return "%s%s %s %s %s%s" % (qual_str,u'entre',d1,u'y',d2,self.calendar[cal])
        else:
            text = self.display_cal[date.get_calendar()](start)
            return "%s%s%s%s" % (qual_str,self._mod_str[mod],text,self.calendar[cal])

#-------------------------------------------------------------------------
#
# Register classes
#
#-------------------------------------------------------------------------
from DateHandler import register_datehandler
register_datehandler(('es_ES','spanish'),DateParserES, DateDisplayES)