# -*- coding: utf-8 -*-
#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2003-2005  Donald N. Allingham
# Copyright (C) 2008       Brian G. Matherly
# Copyright (C) 2010       Andrew I Baznikin
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#

# Written by Alex Roitman, largely based on relationship.py by Don Allingham
# and on valuable input from Lars Kr. Lundin
"""
Specific classes for relationships.
"""

#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------

from gramps.gen.lib import Person
import gramps.gen.relationship

#-------------------------------------------------------------------------
#
# Danish-specific definitions of relationships
#
#-------------------------------------------------------------------------

_level_name = [ "", "første", "anden", "tredje", "fjerde", "femte", "sjette",
                "syvende", "ottende", "niende", "tiende", "ellevte", "tolvte",
                "trettende", "fjortende", "femtende", "sekstende",
                "syttende", "attende", "nittende", "tyvende", "enogtyvende", "toogtyvende",
                "treogtyvende","fireogtyvende","femogtyvende","seksogtyvende",
                "syvogtyvende","otteogtyvende","niogtyvende","tredivte", ]

_parents_level = [ "forældre", "bedsteforældre", "oldeforældre",
                   "tipoldeforældre", "tiptipoldeforældre" , "tiptiptipoldeforældre", ]

_father_level = [ "", "faderen", "bedstefaderen", "oldefaderen", "tipoldefaderen", ]

_mother_level = [ "", "moderen", "bedstemoderen", "oldemoderen", "tipoldemoderen", ]

_son_level = [ "", "sønnen", "barnebarnet", "oldebarnet", ]

_daughter_level = [ "", "datteren", "barnebarnet", "oldebarnet", ]

_sister_level = [ "", "søsteren", "tanten", "grandtanten", "oldetanten", ]

_brother_level = [ "", "broderen", "onklen", "grandonklen", "oldeonkel", ]

_nephew_level = [ "", "nevøen", "næstsøskendebarnet", "broderens barnebarn", ]

_niece_level = [ "", "niecen", "næstsøskendebarnet", "søsterens barnebarn", ]



#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
class RelationshipCalculator(gramps.gen.relationship.RelationshipCalculator):
    """
    RelationshipCalculator Class
    """

    def __init__(self):
        gramps.gen.relationship.RelationshipCalculator.__init__(self)

    def get_parents(self, level):
        if level > len(_parents_level)-1:
            #return "fjern forfader"
            #Instead of "remote ancestors" using "tip (level) oldeforældre" here.
            return "tip (%d) oldeforældre" % level
        else:
            return _parents_level[level]

    def pair_up(self, rel_list):
        result = []
        item = ""
        for word in rel_list[:]:
            if not word:
                continue
            if item:
                if word == 'søster':
                    item = item[0:-1]
                    word = 'ster'
                elif word == 'sønne':
                    word = 'søn'
                result.append(item + word)
                item = ""
            else:
                item = word
        if item:
            result.append(item)
        gen_result = [ item + 's' for item in result[0:-1] ]
        return ' '.join(gen_result+result[-1:])

    def get_direct_ancestor(self, person, rel_string):
        result = []
        for ix in range(len(rel_string)):
            if rel_string[ix] == 'f':
                result.append('far')
            else:
                result.append('mor')
        return self.pair_up(result)

    def get_direct_descendant(self, person, rel_string):
        result = []
        for ix in range(len(rel_string)-2, -1, -1):
            if rel_string[ix] == 'f':
                result.append('sønne')
            else:
                result.append('datter')
        if person == Person.MALE:
            result.append('søn')
        else:
            result.append('datter')
        return self.pair_up(result)

    def get_two_way_rel(self, person, first_rel_string, second_rel_string):
        result = []
        for ix in range(len(second_rel_string)-1):
            if second_rel_string[ix] == 'f':
                result.append('far')
            else:
                result.append('mor')
        if len(first_rel_string) > 1:
            if first_rel_string[-2] == 'f':
                result.append('bror')
            else:
                result.append('søster')
            for ix in range(len(first_rel_string)-3, -1, -1):
                if first_rel_string[ix] == 'f':
                    result.append('sønne')
                else:
                    result.append('datter')
            if person == Person.MALE:
                result.append('søn')
            else:
                result.append('datter')
        else:
            if person == Person.MALE:
                result.append('bror')
            else:
                result.append('søster')
        return self.pair_up(result)

    def get_relationship(self,
                        secondRel, firstRel, orig_person, other_person):

        common = ""
        if not firstRel:
            if not secondRel:
                return ('', common)
            else:
                return (self.get_direct_ancestor(other_person, secondRel), common)
        elif not secondRel:
            return (self.get_direct_descendant(other_person, firstRel), common)
        else:
            return (self.get_two_way_rel(other_person, firstRel, secondRel), common)

    def get_single_relationship_string(self, Ga, Gb, gender_a, gender_b,
                                    reltocommon_a, reltocommon_b,
                                    only_birth=True, 
                                    in_law_a=False, in_law_b=False):
        return self.get_relationship(reltocommon_a, reltocommon_b, gender_a, gender_b)[0]
 
    def get_sibling_relationship_string(self, sib_type, gender_a, gender_b, 
                                        in_law_a=False, in_law_b=False):
        return self.get_two_way_rel(gender_b, "", "")

if __name__ == "__main__":

    # Test function. Call it as follows from the command line (so as to find
    #        imported modules):
    #    export PYTHONPATH=/path/to/gramps/src
    # python src/plugins/rel/rel_da.py
    # (Above not needed here)

    """TRANSLATORS, copy this if statement at the bottom of your 
        rel_xx.py module, and test your work with:
        python src/plugins/rel/rel_xx.py
    """
    from gramps.gen.relationship import test
    RC = RelationshipCalculator()
    test(RC, True)

