#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2006  Donald N. Allingham
# Copyright (C) 2008       Brian G. Matherly
#
# 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: PatchNames.py 14104 2010-01-21 18:42:53Z gbritton $

"""Tools/Database Processing/Extract Information from Names"""

#-------------------------------------------------------------------------
#
# python modules
#
#-------------------------------------------------------------------------
import re

#-------------------------------------------------------------------------
#
# gnome/gtk
#
#-------------------------------------------------------------------------
import gtk
import gobject

#-------------------------------------------------------------------------
#
# gramps modules
#
#-------------------------------------------------------------------------
import const
from gui.utils import ProgressMeter
from PluginUtils import Tool
from QuestionDialog import OkDialog
import ManagedWindow
import GrampsDisplay
import gen.lib
from gen.ggettext import sgettext as _
from glade import Glade

#-------------------------------------------------------------------------
#
# Constants
#
#-------------------------------------------------------------------------
WIKI_HELP_PAGE = '%s_-_Tools' % const.URL_MANUAL_PAGE
WIKI_HELP_SEC = _('manual|Extract_Information_from_Names')

#-------------------------------------------------------------------------
#
# constants
#
#-------------------------------------------------------------------------

# List of possible surname prefixes. Notice that you must run the tool
# multiple times for prefixes such as "van der".
prefix_list = [
    "de", "van", "von", "di", "le", "du", "dela", "della",
    "des", "vande", "ten", "da", "af", "den", "das", "dello",
    "del", "en", "ein", "el" "et", "les", "lo", "los", "un",
    "um", "una", "uno", "der", "ter", "te", "die",
    ]


_title_re = re.compile(r"^ ([A-Za-z][A-Za-z]+\.) \s+ (.+) $", re.VERBOSE)
_nick_re = re.compile(r"(.+) \s* [(\"] (.+) [)\"]", re.VERBOSE)

# Find a prefix in the first_name
_fn_prefix_re = re.compile("(\S+)\s+(%s)\s*$" % '|'.join(prefix_list),
                           re.IGNORECASE)

# Find a prefix in the surname
_sn_prefix_re = re.compile("^\s*(%s)\s+(.+)" % '|'.join(prefix_list),
                           re.IGNORECASE)

#-------------------------------------------------------------------------
#
# Search each name in the database, and compare the firstname against the
# form of "Name (Nickname)".  If it matches, change the first name entry
# to "Name" and add "Nickname" into the nickname field.  Also, search for
# surname prefixes. If found, change the name entry and put the prefix in
# the name prefix field.
#
#-------------------------------------------------------------------------


class PatchNames(Tool.BatchTool, ManagedWindow.ManagedWindow):

    def __init__(self, dbstate, uistate, options_class, name, callback=None):
        self.label = _('Name and title extraction tool')
        ManagedWindow.ManagedWindow.__init__(self, uistate, [], self.__class__)
        self.set_window(gtk.Window(), gtk.Label(), '')

        Tool.BatchTool.__init__(self, dbstate, options_class, name)
        if self.fail:
            return

        self.cb = callback
        self.title_list = []
        self.nick_list = []
        self.prefix1_list = []
        self.prefix2_list = []

        self.progress = ProgressMeter(
            _('Extracting Information from Names'), '')
        self.progress.set_pass(_('Analyzing names'),
                               self.db.get_number_of_people())

        for person in self.db.iter_people():
            key = person.handle
            name = person.get_primary_name()
            first = name.get_first_name()
            sname = name.get_surname()

            if name.get_title():
                old_title = [name.get_title()]
            else:
                old_title = []
            new_title = []

            match = _title_re.match(first)
            while match:
                groups = match.groups()
                first = groups[1]
                new_title.append(groups[0])
                match = _title_re.match(first)

            if new_title:
                self.title_list.append((key, " ".join(old_title+new_title),
                                        first))
                continue

            match = _nick_re.match(first)
            if match:
                groups = match.groups()
                self.nick_list.append((key, groups[0], groups[1]))
                continue

            old_prefix = name.get_surname_prefix()

            # First try to find the name prefix in the first_name
            match = _fn_prefix_re.match(first)
            if match:
                groups = match.groups()
                if old_prefix:
                    # Put the found prefix before the old prefix
                    new_prefix = " ".join([groups[1], old_prefix])
                else:
                    new_prefix = groups[1]
                self.prefix1_list.append((key, groups[0], new_prefix))
                continue

            # Next, try to find the name prefix in the surname
            match = _sn_prefix_re.match(sname)
            if match:
                groups = match.groups()
                if old_prefix:
                    # Put the found prefix after the old prefix
                    new_prefix = " ".join([old_prefix, groups[0]])
                else:
                    new_prefix = groups[0]
                self.prefix2_list.append((key, groups[1], new_prefix))

            self.progress.step()

        if self.nick_list or self.title_list or self.prefix1_list or self.prefix2_list:
            self.display()
        else:
            self.progress.close()
            self.close()
            OkDialog(_('No modifications made'),
                     _("No titles, nicknames or prefixes were found"))

    def build_menu_names(self, obj):
        return (self.label, None)

    def toggled(self, cell, path_string):
        path = tuple(map(int, path_string.split(':')))
        row = self.model[path]
        row[0] = not row[0]
        self.model.row_changed(path, row.iter)

    def display(self):

        self.top = Glade()
        window = self.top.toplevel
        self.top.connect_signals({
            "destroy_passed_object" : self.close,
            "on_ok_clicked" : self.on_ok_clicked,
            "on_help_clicked" : self.on_help_clicked,
            "on_delete_event"   : self.close,
            })

        self.list = self.top.get_object("list")
        self.set_window(window, self.top.get_object('title'), self.label)

        self.model = gtk.ListStore(gobject.TYPE_BOOLEAN, gobject.TYPE_STRING,
                                   gobject.TYPE_STRING, gobject.TYPE_STRING,
                                   gobject.TYPE_STRING)

        r = gtk.CellRendererToggle()
        r.connect('toggled', self.toggled)
        c = gtk.TreeViewColumn(_('Select'), r, active=0)
        self.list.append_column(c)

        c = gtk.TreeViewColumn(_('ID'), gtk.CellRendererText(), text=1)
        self.list.append_column(c)

        c = gtk.TreeViewColumn(_('Type'), gtk.CellRendererText(), text=2)
        self.list.append_column(c)

        c = gtk.TreeViewColumn(_('Value'), gtk.CellRendererText(), text=3)
        self.list.append_column(c)

        c = gtk.TreeViewColumn(_('Name'), gtk.CellRendererText(), text=4)
        self.list.append_column(c)

        self.list.set_model(self.model)

        self.nick_hash = {}
        self.title_hash = {}
        self.prefix1_hash = {}
        self.prefix2_hash = {}

        self.progress.set_pass(_('Building display'),
                               len(self.nick_list)+len(self.title_list)
                               +len(self.prefix1_list)+len(self.prefix2_list))

        for (pid, name, nick) in self.nick_list:
            p = self.db.get_person_from_handle(pid)
            gid = p.get_gramps_id()
            handle = self.model.append()
            self.model.set_value(handle, 0, 1)
            self.model.set_value(handle, 1, gid)
            self.model.set_value(handle, 2, _('Nickname'))
            self.model.set_value(handle, 3, nick)
            self.model.set_value(handle, 4, p.get_primary_name().get_name())
            self.nick_hash[pid] = handle
            self.progress.step()

        for (pid, title, name) in self.title_list:
            p = self.db.get_person_from_handle(pid)
            gid = p.get_gramps_id()
            handle = self.model.append()
            self.model.set_value(handle, 0, 1)
            self.model.set_value(handle, 1, gid)
            self.model.set_value(handle, 2, _('Person|Title'))
            self.model.set_value(handle, 3, title)
            self.model.set_value(handle, 4, p.get_primary_name().get_name())
            self.title_hash[pid] = handle
            self.progress.step()

        for (pid, fname, prefix) in self.prefix1_list:
            p = self.db.get_person_from_handle(pid)
            gid = p.get_gramps_id()
            handle = self.model.append()
            self.model.set_value(handle, 0, 1)
            self.model.set_value(handle, 1, gid)
            self.model.set_value(handle, 2, _('Prefix'))
            self.model.set_value(handle, 3, prefix)
            self.model.set_value(handle, 4, p.get_primary_name().get_name())
            self.prefix1_hash[pid] = handle
            self.progress.step()

        for (pid, sname, prefix) in self.prefix2_list:
            p = self.db.get_person_from_handle(pid)
            gid = p.get_gramps_id()
            handle = self.model.append()
            self.model.set_value(handle, 0, 1)
            self.model.set_value(handle, 1, gid)
            self.model.set_value(handle, 2, _('Prefix'))
            self.model.set_value(handle, 3, prefix)
            self.model.set_value(handle, 4, p.get_primary_name().get_name())
            self.prefix2_hash[pid] = handle
            self.progress.step()

        self.progress.close()
        self.show()

    def on_help_clicked(self, obj):
        """Display the relevant portion of GRAMPS manual"""
        GrampsDisplay.help(webpage=WIKI_HELP_PAGE, section=WIKI_HELP_SEC)

    def on_ok_clicked(self, obj):
        trans = self.db.transaction_begin("", batch=True)
        self.db.disable_signals()
        for grp in self.nick_list:
            handle = self.nick_hash[grp[0]]
            val = self.model.get_value(handle, 0)
            if val:
                p = self.db.get_person_from_handle(grp[0])
                name = p.get_primary_name()
                name.set_first_name(grp[1].strip())
                nick_name = grp[2].strip()
                attr = gen.lib.Attribute()
                attr.set_type(gen.lib.AttributeType.NICKNAME)
                attr.set_value(nick_name)
                p.add_attribute(attr)
                self.db.commit_person(p, trans)

        for grp in self.title_list:
            handle = self.title_hash[grp[0]]
            val = self.model.get_value(handle, 0)
            if val:
                p = self.db.get_person_from_handle(grp[0])
                name = p.get_primary_name()
                name.set_first_name(grp[2].strip())
                name.set_title(grp[1].strip())
                self.db.commit_person(p, trans)

        for grp in self.prefix1_list:
            handle = self.prefix1_hash[grp[0]]
            val = self.model.get_value(handle, 0)
            if val:
                p = self.db.get_person_from_handle(grp[0])
                name = p.get_primary_name()
                name.set_first_name(grp[1].strip())
                name.set_surname_prefix(grp[2].strip())
                self.db.commit_person(p, trans)

        for grp in self.prefix2_list:
            handle = self.prefix2_hash[grp[0]]
            val = self.model.get_value(handle, 0)
            if val:
                p = self.db.get_person_from_handle(grp[0])
                name = p.get_primary_name()
                name.set_surname(grp[1].strip())
                name.set_surname_prefix(grp[2].strip())
                self.db.commit_person(p, trans)

        self.db.transaction_commit(trans,
                                   _("Extract information from names"))
        self.db.enable_signals()
        self.db.request_rebuild()
        self.close()
        self.cb()


class PatchNamesOptions(Tool.ToolOptions):
    """
    Defines options and provides handling interface.
    """

    def __init__(self, name, person_id=None):
        Tool.ToolOptions.__init__(self, name, person_id)
