#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2010       Benny Malengier
#
# 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
#

# $Id$

"""
Surname class for GRAMPS.
"""

#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
from gen.lib.secondaryobj import SecondaryObject
from gen.lib.nameorigintype import NameOriginType
from gen.lib.const import IDENTICAL, EQUAL, DIFFERENT

#-------------------------------------------------------------------------
#
# Personal Name
#
#-------------------------------------------------------------------------
class Surname(SecondaryObject):
    """
    Provide surname information of a name.

    A person may have more that one surname in his name
    """

    def __init__(self, source=None, data=None):
        """Create a new Surname instance, copying from the source if provided.
           By default a surname is created as primary, use set_primary to change
        """
        if source:
            self.surname = source.surname
            self.prefix = source.prefix
            self.primary = source.primary
            self.origintype = source.origintype
            self.connector = source.connector
        else:
            self.surname = ""
            self.prefix = ""
            self.primary = True
            self.origintype = NameOriginType()
            self.connector = ""
        if data:
            self.unserialize(data)

    def serialize(self):
        """
        Convert the object to a serialized tuple of data.
        """
        return (self.surname, self.prefix, self.primary, 
                self.origintype.serialize(), self.connector)

    def is_empty(self):
        """
        Indicate if the surname is empty.
        """
        return (self.surname == u"" and self.prefix == u"" and
                self.connector == u"")

    def unserialize(self, data):
        """
        Convert a serialized tuple of data to an object.
        """
        (self.surname, self.prefix, self.primary, origin_type,
         self.connector) = data
        self.origintype = NameOriginType(origin_type)
        return self

    def get_text_data_list(self):
        """
        Return the list of all textual attributes of the object.

        :returns: Returns the list of all textual attributes of the object.
        :rtype: list
        """
        return [self.surname, self.prefix, self.connector,
                str(self.origintype)]

    def is_equivalent(self, other):
        """
        Return if this surname is equivalent, that is agrees in type, surname,
        ..., to other.

        :param other: The surname to compare this name to.
        :rtype other: Surame
        :returns: Constant indicating degree of equivalence.
        :rtype: int
        """
        # TODO what to do with sort and display?
        if self.get_text_data_list() != other.get_text_data_list() or \
            self.primary != other.primary:
            return DIFFERENT
        else:
            if self.is_equal(other):
                return IDENTICAL
            else:
                return EQUAL

    def merge(self, acquisition):
        """
        Merge the content of acquisition into this surname.

        Lost: primary, surname, prefix, connector, origintype

        :param acquisition: The surname to merge with the present surname.
        :rtype acquisition: Surname
        """
        pass


    def get_surname(self):
        """
        Return the surname. 
        
        The surname is one of the not given names coming from the parents
        """
        return self.surname

    def set_surname(self, val):
        """
        Set the surname. 
        
        The surname is one of the not given names coming from the parents
        """
        self.surname = val

    def get_prefix(self):
        """
        Return the prefix (or article) of the surname. 
        
        The prefix is not used for sorting or grouping.
        """
        return self.prefix

    def set_prefix(self, val):
        """
        Set the prefix (or article) of the surname. 
        
        Examples of articles would be 'de' or 'van'.
        """
        self.prefix = val

    def set_origintype(self, the_type):
        """Set the origin type of the Surname instance."""
        self.origintype.set(the_type)

    def get_origintype(self):
        """Return the origin type of the Surname instance."""
        return self.origintype

    def set_connector(self, connector):
        """Set the connector for the Surname instance. This defines how a 
        surname connects to the next surname (eg in Spanish names).
        """
        self.connector = connector

    def get_connector(self):
        """Get the connector for the Surname instance. This defines how a 
        surname connects to the next surname (eg in Spanish names).
        """
        return self.connector

    def get_primary(self):
        """Return if this surname is the primary surname"""
        return self.primary

    def set_primary(self, primary=True):
        """Set if this surname is the primary surname.replace
           Use :class:`~gen.lib.surname.SurnameBase` to set the primary surname
           via :method:`~gen.lib.surname.SurnameBase.set_primary_surname`
        
          :param primary: primay surname or not
          :type primary: bool
        """
        self.primary = primary