#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2002-2006  Donald N. Allingham
# Copyright (C) 2011       Tim G L Lyons
#
# 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, see <https://www.gnu.org/licenses/>.
#

# -------------------------------------------------------------------------
#
# Standard Python modules
#
# -------------------------------------------------------------------------
from ...const import GRAMPS_LOCALE as glocale

_ = glocale.translation.gettext

# -------------------------------------------------------------------------
#
# Gramps modules
#
# -------------------------------------------------------------------------
from ...datehandler import parser
from . import Rule


# -------------------------------------------------------------------------
#
# Typing modules
#
# -------------------------------------------------------------------------
from ...lib.citationbase import CitationBase
from ...lib import Citation
from ...db import Database


# -------------------------------------------------------------------------
#
# HasCitation
#
# -------------------------------------------------------------------------
class HasCitationBase(Rule):
    """Rule that checks for a citation with a particular value

    First parameter is [Volume/page, Date, Confidence]
    """

    labels = [_("Volume/Page:"), _("Date:"), _("Confidence:")]
    name = _("Citations matching parameters")
    description = _("Matches citations with particular parameters")
    category = _("Citation/source filters")
    allow_regex = True

    def prepare(self, db, user):
        self.date = None
        try:
            if self.list[1]:
                self.date = parser.parse(self.list[1])
        except:
            pass

    def apply_to_one(self, dbase: Database, object: CitationBase) -> bool:
        for citation_handle in object.citation_list:
            citation = dbase.get_citation_from_handle(citation_handle)
            if self._apply(dbase, citation):
                return True
        return False

    def _apply(self, db: Database, citation: Citation):
        if not self.match_substring(0, citation.page):
            return False

        if self.date:
            if not citation.date.match(self.date):
                return False

        if self.list[2]:
            if citation.confidence < int(self.list[2]):
                return False

        return True
